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Diffstat (limited to 'src/js/out/modules_dev/node/readline.js.map')
| -rw-r--r-- | src/js/out/modules_dev/node/readline.js.map | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/src/js/out/modules_dev/node/readline.js.map b/src/js/out/modules_dev/node/readline.js.map deleted file mode 100644 index 1ccf5bb38..000000000 --- a/src/js/out/modules_dev/node/readline.js.map +++ /dev/null @@ -1,14 +0,0 @@ -{ - "version": 3, - "sources": ["src/js/node/readline.js", "src/js/node/readline.js", "src/js/node/readline.js", "src/js/node/readline.js", "src/js/node/readline.js"], - "sourcesContent": [ - "// Hardcoded module \"node:readline\"\n// Attribution: Some parts of of this module are derived from code originating from the Node.js\n// readline module which is licensed under an MIT license:\n//\n// Copyright Node.js contributors. All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n// IN THE SOFTWARE.\n\n// ----------------------------------------------------------------------------\n// Section: Imports\n// ----------------------------------------------------------------------------\nvar { Array, RegExp, String, Bun } = import.meta.primordials;\nvar EventEmitter = import.meta.require(\"node:events\");\nvar { clearTimeout, setTimeout } = import.meta.require(\"timers\");\nvar { StringDecoder } = import.meta.require(\"string_decoder\");\nvar isWritable;\n\nvar { inspect } = Bun;\nvar debug = process.env.BUN_JS_DEBUG ? console.log : () => {};\n\n// ----------------------------------------------------------------------------\n// Section: Preamble\n// ----------------------------------------------------------------------------\n\nvar SymbolAsyncIterator = Symbol.asyncIterator;\nvar SymbolIterator = Symbol.iterator;\nvar SymbolFor = Symbol.for;\nvar SymbolReplace = Symbol.replace;\nvar ArrayFrom = Array.from;\nvar ArrayIsArray = Array.isArray;\nvar ArrayPrototypeFilter = Array.prototype.filter;\nvar ArrayPrototypeSort = Array.prototype.sort;\nvar ArrayPrototypeIndexOf = Array.prototype.indexOf;\nvar ArrayPrototypeJoin = Array.prototype.join;\nvar ArrayPrototypeMap = Array.prototype.map;\nvar ArrayPrototypePop = Array.prototype.pop;\nvar ArrayPrototypePush = Array.prototype.push;\nvar ArrayPrototypeSlice = Array.prototype.slice;\nvar ArrayPrototypeSplice = Array.prototype.splice;\nvar ArrayPrototypeReverse = Array.prototype.reverse;\nvar ArrayPrototypeShift = Array.prototype.shift;\nvar ArrayPrototypeUnshift = Array.prototype.unshift;\nvar RegExpPrototypeExec = RegExp.prototype.exec;\nvar RegExpPrototypeSymbolReplace = RegExp.prototype[SymbolReplace];\nvar StringFromCharCode = String.fromCharCode;\nvar StringPrototypeCharCodeAt = String.prototype.charCodeAt;\nvar StringPrototypeCodePointAt = String.prototype.codePointAt;\nvar StringPrototypeSlice = String.prototype.slice;\nvar StringPrototypeToLowerCase = String.prototype.toLowerCase;\nvar StringPrototypeEndsWith = String.prototype.endsWith;\nvar StringPrototypeRepeat = String.prototype.repeat;\nvar StringPrototypeStartsWith = String.prototype.startsWith;\nvar StringPrototypeTrim = String.prototype.trim;\nvar StringPrototypeNormalize = String.prototype.normalize;\nvar NumberIsNaN = Number.isNaN;\nvar NumberIsFinite = Number.isFinite;\nvar NumberIsInteger = Number.isInteger;\nvar NumberMAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;\nvar NumberMIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER;\nvar MathCeil = Math.ceil;\nvar MathFloor = Math.floor;\nvar MathMax = Math.max;\nvar MathMaxApply = Math.max.apply;\nvar DateNow = Date.now;\nvar FunctionPrototype = Function.prototype;\nvar StringPrototype = String.prototype;\nvar StringPrototypeSymbolIterator = StringPrototype[SymbolIterator];\nvar StringIteratorPrototypeNext = StringPrototypeSymbolIterator.call(\"\").next;\nvar ObjectSetPrototypeOf = Object.setPrototypeOf;\nvar ObjectDefineProperty = Object.defineProperty;\nvar ObjectDefineProperties = Object.defineProperties;\nvar ObjectFreeze = Object.freeze;\nvar ObjectAssign = Object.assign;\nvar ObjectCreate = Object.create;\nvar ObjectKeys = Object.keys;\nvar ObjectSeal = Object.seal;\n\nvar createSafeIterator = (factory, next) => {\n class SafeIterator {\n #iterator;\n constructor(iterable) {\n this.#iterator = factory.call(iterable);\n }\n next() {\n return next.call(this.#iterator);\n }\n [SymbolIterator]() {\n return this;\n }\n }\n ObjectSetPrototypeOf(SafeIterator.prototype, null);\n ObjectFreeze(SafeIterator.prototype);\n ObjectFreeze(SafeIterator);\n return SafeIterator;\n};\n\nvar SafeStringIterator = createSafeIterator(StringPrototypeSymbolIterator, StringIteratorPrototypeNext);\n\n// ----------------------------------------------------------------------------\n// Section: \"Internal\" modules\n// ----------------------------------------------------------------------------\n\n/**\n * Returns true if the character represented by a given\n * Unicode code point is full-width. Otherwise returns false.\n */\nvar isFullWidthCodePoint = code => {\n // Code points are partially derived from:\n // https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt\n return (\n code >= 0x1100 &&\n (code <= 0x115f || // Hangul Jamo\n code === 0x2329 || // LEFT-POINTING ANGLE BRACKET\n code === 0x232a || // RIGHT-POINTING ANGLE BRACKET\n // CJK Radicals Supplement .. Enclosed CJK Letters and Months\n (code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||\n // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A\n (code >= 0x3250 && code <= 0x4dbf) ||\n // CJK Unified Ideographs .. Yi Radicals\n (code >= 0x4e00 && code <= 0xa4c6) ||\n // Hangul Jamo Extended-A\n (code >= 0xa960 && code <= 0xa97c) ||\n // Hangul Syllables\n (code >= 0xac00 && code <= 0xd7a3) ||\n // CJK Compatibility Ideographs\n (code >= 0xf900 && code <= 0xfaff) ||\n // Vertical Forms\n (code >= 0xfe10 && code <= 0xfe19) ||\n // CJK Compatibility Forms .. Small Form Variants\n (code >= 0xfe30 && code <= 0xfe6b) ||\n // Halfwidth and Fullwidth Forms\n (code >= 0xff01 && code <= 0xff60) ||\n (code >= 0xffe0 && code <= 0xffe6) ||\n // Kana Supplement\n (code >= 0x1b000 && code <= 0x1b001) ||\n // Enclosed Ideographic Supplement\n (code >= 0x1f200 && code <= 0x1f251) ||\n // Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff\n // Emoticons 0x1f600 - 0x1f64f\n (code >= 0x1f300 && code <= 0x1f64f) ||\n // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane\n (code >= 0x20000 && code <= 0x3fffd))\n );\n};\n\nvar isZeroWidthCodePoint = code => {\n return (\n code <= 0x1f || // C0 control codes\n (code >= 0x7f && code <= 0x9f) || // C1 control codes\n (code >= 0x300 && code <= 0x36f) || // Combining Diacritical Marks\n (code >= 0x200b && code <= 0x200f) || // Modifying Invisible Characters\n // Combining Diacritical Marks for Symbols\n (code >= 0x20d0 && code <= 0x20ff) ||\n (code >= 0xfe00 && code <= 0xfe0f) || // Variation Selectors\n (code >= 0xfe20 && code <= 0xfe2f) || // Combining Half Marks\n (code >= 0xe0100 && code <= 0xe01ef)\n ); // Variation Selectors\n};\n\n/**\n * Returns the number of columns required to display the given string.\n */\nvar getStringWidth = function getStringWidth(str, removeControlChars = true) {\n var width = 0;\n\n if (removeControlChars) str = stripVTControlCharacters(str);\n str = StringPrototypeNormalize.call(str, \"NFC\");\n for (var char of new SafeStringIterator(str)) {\n var code = StringPrototypeCodePointAt.call(char, 0);\n if (isFullWidthCodePoint(code)) {\n width += 2;\n } else if (!isZeroWidthCodePoint(code)) {\n width++;\n }\n }\n\n return width;\n};\n\n// Regex used for ansi escape code splitting\n// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js\n// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore\n// Matches all ansi escape code sequences in a string\nvar ansiPattern =\n \"[\\\\u001B\\\\u009B][[\\\\]()#;?]*\" +\n \"(?:(?:(?:(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]+)*\" +\n \"|[a-zA-Z\\\\d]+(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]*)*)?\\\\u0007)\" +\n \"|(?:(?:\\\\d{1,4}(?:;\\\\d{0,4})*)?[\\\\dA-PR-TZcf-ntqry=><~]))\";\nvar ansi = new RegExp(ansiPattern, \"g\");\n\n/**\n * Remove all VT control characters. Use to estimate displayed string width.\n */\nfunction stripVTControlCharacters(str) {\n validateString(str, \"str\");\n return RegExpPrototypeSymbolReplace.call(ansi, str, \"\");\n}\n\n// Promisify\n\nvar kCustomPromisifiedSymbol = SymbolFor(\"nodejs.util.promisify.custom\");\nvar kCustomPromisifyArgsSymbol = Symbol(\"customPromisifyArgs\");\n\nfunction promisify(original) {\n validateFunction(original, \"original\");\n\n if (original[kCustomPromisifiedSymbol]) {\n var fn = original[kCustomPromisifiedSymbol];\n\n validateFunction(fn, \"util.promisify.custom\");\n\n return ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n }\n\n // Names to create an object from in case the callback receives multiple\n // arguments, e.g. ['bytesRead', 'buffer'] for fs.read.\n var argumentNames = original[kCustomPromisifyArgsSymbol];\n\n function fn(...args) {\n return new Promise((resolve, reject) => {\n ArrayPrototypePush.call(args, (err, ...values) => {\n if (err) {\n return reject(err);\n }\n if (argumentNames !== undefined && values.length > 1) {\n var obj = {};\n for (var i = 0; i < argumentNames.length; i++) obj[argumentNames[i]] = values[i];\n resolve(obj);\n } else {\n resolve(values[0]);\n }\n });\n ReflectApply(original, this, args);\n });\n }\n\n ObjectSetPrototypeOf(fn, ObjectGetPrototypeOf(original));\n\n ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n\n var descriptors = ObjectGetOwnPropertyDescriptors(original);\n var propertiesValues = ObjectValues(descriptors);\n for (var i = 0; i < propertiesValues.length; i++) {\n // We want to use null-prototype objects to not rely on globally mutable\n // %Object.prototype%.\n ObjectSetPrototypeOf(propertiesValues[i], null);\n }\n return ObjectDefineProperties(fn, descriptors);\n}\n\npromisify.custom = kCustomPromisifiedSymbol;\n\n// Constants\n\nvar kUTF16SurrogateThreshold = 0x10000; // 2 ** 16\nvar kEscape = \"\\x1b\";\nvar kSubstringSearch = Symbol(\"kSubstringSearch\");\n\nvar kIsNodeError = Symbol(\"kIsNodeError\");\n\n// Errors\nvar errorBases = {};\nvar VALID_NODE_ERROR_BASES = {\n TypeError,\n RangeError,\n Error,\n};\n\nfunction getNodeErrorByName(typeName) {\n var base = errorBases[typeName];\n if (base) {\n return base;\n }\n if (!ObjectKeys(VALID_NODE_ERROR_BASES).includes(typeName)) {\n throw new Error(\"Invalid NodeError type\");\n }\n\n var Base = VALID_NODE_ERROR_BASES[typeName];\n\n class NodeError extends Base {\n [kIsNodeError] = true;\n code;\n constructor(msg, opts) {\n super(msg, opts);\n this.code = opts?.code || \"ERR_GENERIC\";\n }\n\n toString() {\n return `${this.name} [${this.code}]: ${this.message}`;\n }\n }\n errorBases[typeName] = NodeError;\n return NodeError;\n}\n\nvar NodeError = getNodeErrorByName(\"Error\");\nvar NodeTypeError = getNodeErrorByName(\"TypeError\");\nvar NodeRangeError = getNodeErrorByName(\"RangeError\");\n\nclass ERR_INVALID_ARG_TYPE extends NodeTypeError {\n constructor(name, type, value) {\n super(`The \"${name}\" argument must be of type ${type}. Received type ${typeof value}`, {\n code: \"ERR_INVALID_ARG_TYPE\",\n });\n }\n}\n\nclass ERR_INVALID_ARG_VALUE extends NodeTypeError {\n constructor(name, value, reason = \"not specified\") {\n super(`The value \"${String(value)}\" is invalid for argument '${name}'. Reason: ${reason}`, {\n code: \"ERR_INVALID_ARG_VALUE\",\n });\n }\n}\n\nclass ERR_INVALID_CURSOR_POS extends NodeTypeError {\n constructor() {\n super(\"Cannot set cursor row without setting its column\", {\n code: \"ERR_INVALID_CURSOR_POS\",\n });\n }\n}\n\nclass ERR_OUT_OF_RANGE extends NodeRangeError {\n constructor(name, range, received) {\n super(`The value of \"${name}\" is out of range. It must be ${range}. Received ${received}`, {\n code: \"ERR_OUT_OF_RANGE\",\n });\n }\n}\n\nclass ERR_USE_AFTER_CLOSE extends NodeError {\n constructor() {\n super(\"This socket has been ended by the other party\", {\n code: \"ERR_USE_AFTER_CLOSE\",\n });\n }\n}\n\nclass AbortError extends Error {\n code;\n constructor() {\n super(\"The operation was aborted\");\n this.code = \"ABORT_ERR\";\n }\n}\n\n// Validators\n\n/**\n * @callback validateFunction\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is Function}\n */\nfunction validateFunction(value, name) {\n if (typeof value !== \"function\") throw new ERR_INVALID_ARG_TYPE(name, \"Function\", value);\n}\n\n/**\n * @callback validateAbortSignal\n * @param {*} signal\n * @param {string} name\n */\nfunction validateAbortSignal(signal, name) {\n if (signal !== undefined && (signal === null || typeof signal !== \"object\" || !(\"aborted\" in signal))) {\n throw new ERR_INVALID_ARG_TYPE(name, \"AbortSignal\", signal);\n }\n}\n\n/**\n * @callback validateArray\n * @param {*} value\n * @param {string} name\n * @param {number} [minLength]\n * @returns {asserts value is any[]}\n */\nfunction validateArray(value, name, minLength = 0) {\n // var validateArray = hideStackFrames((value, name, minLength = 0) => {\n if (!ArrayIsArray(value)) {\n throw new ERR_INVALID_ARG_TYPE(name, \"Array\", value);\n }\n if (value.length < minLength) {\n var reason = `must be longer than ${minLength}`;\n throw new ERR_INVALID_ARG_VALUE(name, value, reason);\n }\n}\n\n/**\n * @callback validateString\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is string}\n */\nfunction validateString(value, name) {\n if (typeof value !== \"string\") throw new ERR_INVALID_ARG_TYPE(name, \"string\", value);\n}\n\n/**\n * @callback validateBoolean\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is boolean}\n */\nfunction validateBoolean(value, name) {\n if (typeof value !== \"boolean\") throw new ERR_INVALID_ARG_TYPE(name, \"boolean\", value);\n}\n\n/**\n * @callback validateObject\n * @param {*} value\n * @param {string} name\n * @param {{\n * allowArray?: boolean,\n * allowFunction?: boolean,\n * nullable?: boolean\n * }} [options]\n */\nfunction validateObject(value, name, options = null) {\n // var validateObject = hideStackFrames((value, name, options = null) => {\n var allowArray = options?.allowArray ?? false;\n var allowFunction = options?.allowFunction ?? false;\n var nullable = options?.nullable ?? false;\n if (\n (!nullable && value === null) ||\n (!allowArray && ArrayIsArray.call(value)) ||\n (typeof value !== \"object\" && (!allowFunction || typeof value !== \"function\"))\n ) {\n throw new ERR_INVALID_ARG_TYPE(name, \"object\", value);\n }\n}\n\n/**\n * @callback validateInteger\n * @param {*} value\n * @param {string} name\n * @param {number} [min]\n * @param {number} [max]\n * @returns {asserts value is number}\n */\nfunction validateInteger(value, name, min = NumberMIN_SAFE_INTEGER, max = NumberMAX_SAFE_INTEGER) {\n if (typeof value !== \"number\") throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n if (!NumberIsInteger(value)) throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n if (value < min || value > max) throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n}\n\n/**\n * @callback validateUint32\n * @param {*} value\n * @param {string} name\n * @param {number|boolean} [positive=false]\n * @returns {asserts value is number}\n */\nfunction validateUint32(value, name, positive = false) {\n if (typeof value !== \"number\") {\n throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n }\n\n if (!NumberIsInteger(value)) {\n throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n }\n\n var min = positive ? 1 : 0; // 2 ** 32 === 4294967296\n var max = 4_294_967_295;\n\n if (value < min || value > max) {\n throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Utils\n// ----------------------------------------------------------------------------\n\nfunction CSI(strings, ...args) {\n var ret = `${kEscape}[`;\n for (var n = 0; n < strings.length; n++) {\n ret += strings[n];\n if (n < args.length) ret += args[n];\n }\n return ret;\n}\n\nvar kClearLine, kClearScreenDown, kClearToLineBeginning, kClearToLineEnd;\n\nCSI.kEscape = kEscape;\nCSI.kClearLine = kClearLine = CSI`2K`;\nCSI.kClearScreenDown = kClearScreenDown = CSI`0J`;\nCSI.kClearToLineBeginning = kClearToLineBeginning = CSI`1K`;\nCSI.kClearToLineEnd = kClearToLineEnd = CSI`0K`;\n\nfunction charLengthLeft(str, i) {\n if (i <= 0) return 0;\n if (\n (i > 1 && StringPrototypeCodePointAt.call(str, i - 2) >= kUTF16SurrogateThreshold) ||\n StringPrototypeCodePointAt.call(str, i - 1) >= kUTF16SurrogateThreshold\n ) {\n return 2;\n }\n return 1;\n}\n\nfunction charLengthAt(str, i) {\n if (str.length <= i) {\n // Pretend to move to the right. This is necessary to autocomplete while\n // moving to the right.\n return 1;\n }\n return StringPrototypeCodePointAt.call(str, i) >= kUTF16SurrogateThreshold ? 2 : 1;\n}\n\n/*\n Some patterns seen in terminal key escape codes, derived from combos seen\n at http://www.midnight-commander.org/browser/lib/tty/key.c\n ESC letter\n ESC [ letter\n ESC [ modifier letter\n ESC [ 1 ; modifier letter\n ESC [ num char\n ESC [ num ; modifier char\n ESC O letter\n ESC O modifier letter\n ESC O 1 ; modifier letter\n ESC N letter\n ESC [ [ num ; modifier char\n ESC [ [ 1 ; modifier letter\n ESC ESC [ num char\n ESC ESC O letter\n - char is usually ~ but $ and ^ also happen with rxvt\n - modifier is 1 +\n (shift * 1) +\n (left_alt * 2) +\n (ctrl * 4) +\n (right_alt * 8)\n - two leading ESCs apparently mean the same as one leading ESC\n*/\nfunction* emitKeys(stream) {\n while (true) {\n var ch = yield;\n var s = ch;\n var escaped = false;\n\n var keySeq = null;\n var keyName;\n var keyCtrl = false;\n var keyMeta = false;\n var keyShift = false;\n\n // var key = {\n // sequence: null,\n // name: undefined,\n // ctrl: false,\n // meta: false,\n // shift: false,\n // };\n\n if (ch === kEscape) {\n escaped = true;\n s += ch = yield;\n\n if (ch === kEscape) {\n s += ch = yield;\n }\n }\n\n if (escaped && (ch === \"O\" || ch === \"[\")) {\n // ANSI escape sequence\n var code = ch;\n var modifier = 0;\n\n if (ch === \"O\") {\n // ESC O letter\n // ESC O modifier letter\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n modifier = (ch >> 0) - 1;\n s += ch = yield;\n }\n\n code += ch;\n } else if (ch === \"[\") {\n // ESC [ letter\n // ESC [ modifier letter\n // ESC [ [ modifier letter\n // ESC [ [ num char\n s += ch = yield;\n\n if (ch === \"[\") {\n // \\x1b[[A\n // ^--- escape codes might have a second bracket\n code += ch;\n s += ch = yield;\n }\n\n /*\n * Here and later we try to buffer just enough data to get\n * a complete ascii sequence.\n *\n * We have basically two classes of ascii characters to process:\n *\n *\n * 1. `\\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 }\n *\n * This particular example is featuring Ctrl+F12 in xterm.\n *\n * - `;5` part is optional, e.g. it could be `\\x1b[24~`\n * - first part can contain one or two digits\n *\n * So the generic regexp is like /^\\d\\d?(;\\d)?[~^$]$/\n *\n *\n * 2. `\\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 }\n *\n * This particular example is featuring Ctrl+Home in xterm.\n *\n * - `1;5` part is optional, e.g. it could be `\\x1b[H`\n * - `1;` part is optional, e.g. it could be `\\x1b[5H`\n *\n * So the generic regexp is like /^((\\d;)?\\d)?[A-Za-z]$/\n *\n */\n var cmdStart = s.length - 1;\n\n // Skip one or two leading digits\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n }\n }\n\n // skip modifier\n if (ch === \";\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += yield;\n }\n }\n\n /*\n * We buffered enough data, now trying to extract code\n * and modifier from it\n */\n var cmd = StringPrototypeSlice.call(s, cmdStart);\n var match;\n\n if ((match = RegExpPrototypeExec.call(/^(\\d\\d?)(;(\\d))?([~^$])$/, cmd))) {\n code += match[1] + match[4];\n modifier = (match[3] || 1) - 1;\n } else if ((match = RegExpPrototypeExec.call(/^((\\d;)?(\\d))?([A-Za-z])$/, cmd))) {\n code += match[4];\n modifier = (match[3] || 1) - 1;\n } else {\n code += cmd;\n }\n }\n\n // Parse the key modifier\n keyCtrl = !!(modifier & 4);\n keyMeta = !!(modifier & 10);\n keyShift = !!(modifier & 1);\n keyCode = code;\n\n // Parse the key itself\n switch (code) {\n /* xterm/gnome ESC [ letter (with modifier) */\n case \"[P\":\n keyName = \"f1\";\n break;\n case \"[Q\":\n keyName = \"f2\";\n break;\n case \"[R\":\n keyName = \"f3\";\n break;\n case \"[S\":\n keyName = \"f4\";\n break;\n\n /* xterm/gnome ESC O letter (without modifier) */\n case \"OP\":\n keyName = \"f1\";\n break;\n case \"OQ\":\n keyName = \"f2\";\n break;\n case \"OR\":\n keyName = \"f3\";\n break;\n case \"OS\":\n keyName = \"f4\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[11~\":\n keyName = \"f1\";\n break;\n case \"[12~\":\n keyName = \"f2\";\n break;\n case \"[13~\":\n keyName = \"f3\";\n break;\n case \"[14~\":\n keyName = \"f4\";\n break;\n\n /* from Cygwin and used in libuv */\n case \"[[A\":\n keyName = \"f1\";\n break;\n case \"[[B\":\n keyName = \"f2\";\n break;\n case \"[[C\":\n keyName = \"f3\";\n break;\n case \"[[D\":\n keyName = \"f4\";\n break;\n case \"[[E\":\n keyName = \"f5\";\n break;\n\n /* common */\n case \"[15~\":\n keyName = \"f5\";\n break;\n case \"[17~\":\n keyName = \"f6\";\n break;\n case \"[18~\":\n keyName = \"f7\";\n break;\n case \"[19~\":\n keyName = \"f8\";\n break;\n case \"[20~\":\n keyName = \"f9\";\n break;\n case \"[21~\":\n keyName = \"f10\";\n break;\n case \"[23~\":\n keyName = \"f11\";\n break;\n case \"[24~\":\n keyName = \"f12\";\n break;\n\n /* xterm ESC [ letter */\n case \"[A\":\n keyName = \"up\";\n break;\n case \"[B\":\n keyName = \"down\";\n break;\n case \"[C\":\n keyName = \"right\";\n break;\n case \"[D\":\n keyName = \"left\";\n break;\n case \"[E\":\n keyName = \"clear\";\n break;\n case \"[F\":\n keyName = \"end\";\n break;\n case \"[H\":\n keyName = \"home\";\n break;\n\n /* xterm/gnome ESC O letter */\n case \"OA\":\n keyName = \"up\";\n break;\n case \"OB\":\n keyName = \"down\";\n break;\n case \"OC\":\n keyName = \"right\";\n break;\n case \"OD\":\n keyName = \"left\";\n break;\n case \"OE\":\n keyName = \"clear\";\n break;\n case \"OF\":\n keyName = \"end\";\n break;\n case \"OH\":\n keyName = \"home\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[1~\":\n keyName = \"home\";\n break;\n case \"[2~\":\n keyName = \"insert\";\n break;\n case \"[3~\":\n keyName = \"delete\";\n break;\n case \"[4~\":\n keyName = \"end\";\n break;\n case \"[5~\":\n keyName = \"pageup\";\n break;\n case \"[6~\":\n keyName = \"pagedown\";\n break;\n\n /* putty */\n case \"[[5~\":\n keyName = \"pageup\";\n break;\n case \"[[6~\":\n keyName = \"pagedown\";\n break;\n\n /* rxvt */\n case \"[7~\":\n keyName = \"home\";\n break;\n case \"[8~\":\n keyName = \"end\";\n break;\n\n /* rxvt keys with modifiers */\n case \"[a\":\n keyName = \"up\";\n keyShift = true;\n break;\n case \"[b\":\n keyName = \"down\";\n keyShift = true;\n break;\n case \"[c\":\n keyName = \"right\";\n keyShift = true;\n break;\n case \"[d\":\n keyName = \"left\";\n keyShift = true;\n break;\n case \"[e\":\n keyName = \"clear\";\n keyShift = true;\n break;\n\n case \"[2$\":\n keyName = \"insert\";\n keyShift = true;\n break;\n case \"[3$\":\n keyName = \"delete\";\n keyShift = true;\n break;\n case \"[5$\":\n keyName = \"pageup\";\n keyShift = true;\n break;\n case \"[6$\":\n keyName = \"pagedown\";\n keyShift = true;\n break;\n case \"[7$\":\n keyName = \"home\";\n keyShift = true;\n break;\n case \"[8$\":\n keyName = \"end\";\n keyShift = true;\n break;\n\n case \"Oa\":\n keyName = \"up\";\n keyCtrl = true;\n break;\n case \"Ob\":\n keyName = \"down\";\n keyCtrl = true;\n break;\n case \"Oc\":\n keyName = \"right\";\n keyCtrl = true;\n break;\n case \"Od\":\n keyName = \"left\";\n keyCtrl = true;\n break;\n case \"Oe\":\n keyName = \"clear\";\n keyCtrl = true;\n break;\n\n case \"[2^\":\n keyName = \"insert\";\n keyCtrl = true;\n break;\n case \"[3^\":\n keyName = \"delete\";\n keyCtrl = true;\n break;\n case \"[5^\":\n keyName = \"pageup\";\n keyCtrl = true;\n break;\n case \"[6^\":\n keyName = \"pagedown\";\n keyCtrl = true;\n break;\n case \"[7^\":\n keyName = \"home\";\n keyCtrl = true;\n break;\n case \"[8^\":\n keyName = \"end\";\n keyCtrl = true;\n break;\n\n /* misc. */\n case \"[Z\":\n keyName = \"tab\";\n keyShift = true;\n break;\n default:\n keyName = \"undefined\";\n break;\n }\n } else if (ch === \"\\r\") {\n // carriage return\n keyName = \"return\";\n keyMeta = escaped;\n } else if (ch === \"\\n\") {\n // Enter, should have been called linefeed\n keyName = \"enter\";\n keyMeta = escaped;\n } else if (ch === \"\\t\") {\n // tab\n keyName = \"tab\";\n keyMeta = escaped;\n } else if (ch === \"\\b\" || ch === \"\\x7f\") {\n // backspace or ctrl+h\n keyName = \"backspace\";\n keyMeta = escaped;\n } else if (ch === kEscape) {\n // escape key\n keyName = \"escape\";\n keyMeta = escaped;\n } else if (ch === \" \") {\n keyName = \"space\";\n keyMeta = escaped;\n } else if (!escaped && ch <= \"\\x1a\") {\n // ctrl+letter\n keyName = StringFromCharCode(StringPrototypeCharCodeAt.call(ch) + StringPrototypeCharCodeAt.call(\"a\") - 1);\n keyCtrl = true;\n } else if (RegExpPrototypeExec.call(/^[0-9A-Za-z]$/, ch) !== null) {\n // Letter, number, shift+letter\n keyName = StringPrototypeToLowerCase.call(ch);\n keyShift = RegExpPrototypeExec.call(/^[A-Z]$/, ch) !== null;\n keyMeta = escaped;\n } else if (escaped) {\n // Escape sequence timeout\n keyName = ch.length ? undefined : \"escape\";\n keyMeta = true;\n }\n\n keySeq = s;\n\n if (s.length !== 0 && (keyName !== undefined || escaped)) {\n /* Named character or sequence */\n stream.emit(\"keypress\", escaped ? undefined : s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n } else if (charLengthAt(s, 0) === s.length) {\n /* Single unnamed character, e.g. \".\" */\n stream.emit(\"keypress\", s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n }\n /* Unrecognized or broken escape sequence, don't emit anything */\n }\n}\n\n// This runs in O(n log n).\nfunction commonPrefix(strings) {\n if (strings.length === 0) {\n return \"\";\n }\n if (strings.length === 1) {\n return strings[0];\n }\n var sorted = ArrayPrototypeSort.call(ArrayPrototypeSlice.call(strings));\n var min = sorted[0];\n var max = sorted[sorted.length - 1];\n for (var i = 0; i < min.length; i++) {\n if (min[i] !== max[i]) {\n return StringPrototypeSlice.call(min, 0, i);\n }\n }\n return min;\n}\n\n// ----------------------------------------------------------------------------\n// Section: Cursor Functions\n// ----------------------------------------------------------------------------\n\n/**\n * moves the cursor to the x and y coordinate on the given stream\n */\n\nfunction cursorTo(stream, x, y, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (typeof y === \"function\") {\n callback = y;\n y = undefined;\n }\n\n if (NumberIsNaN(x)) throw new ERR_INVALID_ARG_VALUE(\"x\", x);\n if (NumberIsNaN(y)) throw new ERR_INVALID_ARG_VALUE(\"y\", y);\n\n if (stream == null || (typeof x !== \"number\" && typeof y !== \"number\")) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n if (typeof x !== \"number\") throw new ERR_INVALID_CURSOR_POS();\n\n var data = typeof y !== \"number\" ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n return stream.write(data, callback);\n}\n\n/**\n * moves the cursor relative to its current location\n */\n\nfunction moveCursor(stream, dx, dy, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream == null || !(dx || dy)) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n\n return stream.write(data, callback);\n}\n\n/**\n * clears the current line the cursor is on:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n */\n\nfunction clearLine(stream, dir, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var type = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n return stream.write(type, callback);\n}\n\n/**\n * clears the screen from the current position of the cursor down\n */\n\nfunction clearScreenDown(stream, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n return stream.write(kClearScreenDown, callback);\n}\n\n// ----------------------------------------------------------------------------\n// Section: Emit keypress events\n// ----------------------------------------------------------------------------\n\nvar KEYPRESS_DECODER = Symbol(\"keypress-decoder\");\nvar ESCAPE_DECODER = Symbol(\"escape-decoder\");\n\n// GNU readline library - keyseq-timeout is 500ms (default)\nvar ESCAPE_CODE_TIMEOUT = 500;\n\n/**\n * accepts a readable Stream instance and makes it emit \"keypress\" events\n */\n\nfunction emitKeypressEvents(stream, iface = {}) {\n if (stream[KEYPRESS_DECODER]) return;\n\n stream[KEYPRESS_DECODER] = new StringDecoder(\"utf8\");\n\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n\n var triggerEscape = () => stream[ESCAPE_DECODER].next(\"\");\n var { escapeCodeTimeout = ESCAPE_CODE_TIMEOUT } = iface;\n var timeoutId;\n\n function onData(input) {\n if (stream.listenerCount(\"keypress\") > 0) {\n var string = stream[KEYPRESS_DECODER].write(input);\n if (string) {\n clearTimeout(timeoutId);\n\n // This supports characters of length 2.\n iface[kSawKeyPress] = charLengthAt(string, 0) === string.length;\n iface.isCompletionEnabled = false;\n\n var length = 0;\n for (var character of new SafeStringIterator(string)) {\n length += character.length;\n if (length === string.length) {\n iface.isCompletionEnabled = true;\n }\n\n try {\n stream[ESCAPE_DECODER].next(character);\n // Escape letter at the tail position\n if (length === string.length && character === kEscape) {\n timeoutId = setTimeout(triggerEscape, escapeCodeTimeout);\n }\n } catch (err) {\n // If the generator throws (it could happen in the `keypress`\n // event), we need to restart it.\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n throw err;\n }\n }\n }\n } else {\n // Nobody's watching anyway\n stream.removeListener(\"data\", onData);\n stream.on(\"newListener\", onNewListener);\n }\n }\n\n function onNewListener(event) {\n if (event === \"keypress\") {\n stream.on(\"data\", onData);\n stream.removeListener(\"newListener\", onNewListener);\n }\n }\n\n if (stream.listenerCount(\"keypress\") > 0) {\n stream.on(\"data\", onData);\n } else {\n stream.on(\"newListener\", onNewListener);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Interface\n// ----------------------------------------------------------------------------\n\nvar kEmptyObject = ObjectFreeze(ObjectCreate(null));\n\n// Some constants regarding configuration of interface\nvar kHistorySize = 30;\nvar kMaxUndoRedoStackSize = 2048;\nvar kMincrlfDelay = 100;\n// \\r\\n, \\n, or \\r followed by something other than \\n\nvar lineEnding = /\\r?\\n|\\r(?!\\n)/g;\n\n// Max length of the kill ring\nvar kMaxLengthOfKillRing = 32;\n\n// Symbols\n\n// Public symbols\nvar kLineObjectStream = Symbol(\"line object stream\");\nvar kQuestionCancel = Symbol(\"kQuestionCancel\");\nvar kQuestion = Symbol(\"kQuestion\");\n\n// Private symbols\nvar kAddHistory = Symbol(\"_addHistory\");\nvar kBeforeEdit = Symbol(\"_beforeEdit\");\nvar kDecoder = Symbol(\"_decoder\");\nvar kDeleteLeft = Symbol(\"_deleteLeft\");\nvar kDeleteLineLeft = Symbol(\"_deleteLineLeft\");\nvar kDeleteLineRight = Symbol(\"_deleteLineRight\");\nvar kDeleteRight = Symbol(\"_deleteRight\");\nvar kDeleteWordLeft = Symbol(\"_deleteWordLeft\");\nvar kDeleteWordRight = Symbol(\"_deleteWordRight\");\nvar kGetDisplayPos = Symbol(\"_getDisplayPos\");\nvar kHistoryNext = Symbol(\"_historyNext\");\nvar kHistoryPrev = Symbol(\"_historyPrev\");\nvar kInsertString = Symbol(\"_insertString\");\nvar kLine = Symbol(\"_line\");\nvar kLine_buffer = Symbol(\"_line_buffer\");\nvar kKillRing = Symbol(\"_killRing\");\nvar kKillRingCursor = Symbol(\"_killRingCursor\");\nvar kMoveCursor = Symbol(\"_moveCursor\");\nvar kNormalWrite = Symbol(\"_normalWrite\");\nvar kOldPrompt = Symbol(\"_oldPrompt\");\nvar kOnLine = Symbol(\"_onLine\");\nvar kPreviousKey = Symbol(\"_previousKey\");\nvar kPrompt = Symbol(\"_prompt\");\nvar kPushToKillRing = Symbol(\"_pushToKillRing\");\nvar kPushToUndoStack = Symbol(\"_pushToUndoStack\");\nvar kQuestionCallback = Symbol(\"_questionCallback\");\nvar kRedo = Symbol(\"_redo\");\nvar kRedoStack = Symbol(\"_redoStack\");\nvar kRefreshLine = Symbol(\"_refreshLine\");\nvar kSawKeyPress = Symbol(\"_sawKeyPress\");\nvar kSawReturnAt = Symbol(\"_sawReturnAt\");\nvar kSetRawMode = Symbol(\"_setRawMode\");\nvar kTabComplete = Symbol(\"_tabComplete\");\nvar kTabCompleter = Symbol(\"_tabCompleter\");\nvar kTtyWrite = Symbol(\"_ttyWrite\");\nvar kUndo = Symbol(\"_undo\");\nvar kUndoStack = Symbol(\"_undoStack\");\nvar kWordLeft = Symbol(\"_wordLeft\");\nvar kWordRight = Symbol(\"_wordRight\");\nvar kWriteToOutput = Symbol(\"_writeToOutput\");\nvar kYank = Symbol(\"_yank\");\nvar kYanking = Symbol(\"_yanking\");\nvar kYankPop = Symbol(\"_yankPop\");\n\n// Event symbols\nvar kFirstEventParam = Symbol(\"nodejs.kFirstEventParam\");\n\n// class InterfaceConstructor extends EventEmitter {\n// #onSelfCloseWithTerminal;\n// #onSelfCloseWithoutTerminal;\n\n// #onError;\n// #onData;\n// #onEnd;\n// #onTermEnd;\n// #onKeyPress;\n// #onResize;\n\n// [kSawReturnAt];\n// isCompletionEnabled = true;\n// [kSawKeyPress];\n// [kPreviousKey];\n// escapeCodeTimeout;\n// tabSize;\n\n// line;\n// [kSubstringSearch];\n// output;\n// input;\n// [kUndoStack];\n// [kRedoStack];\n// history;\n// historySize;\n\n// [kKillRing];\n// [kKillRingCursor];\n\n// removeHistoryDuplicates;\n// crlfDelay;\n// completer;\n\n// terminal;\n// [kLineObjectStream];\n\n// cursor;\n// historyIndex;\n\n// constructor(input, output, completer, terminal) {\n// super();\n\nvar kOnSelfCloseWithTerminal = Symbol(\"_onSelfCloseWithTerminal\");\nvar kOnSelfCloseWithoutTerminal = Symbol(\"_onSelfCloseWithoutTerminal\");\nvar kOnKeyPress = Symbol(\"_onKeyPress\");\nvar kOnError = Symbol(\"_onError\");\nvar kOnData = Symbol(\"_onData\");\nvar kOnEnd = Symbol(\"_onEnd\");\nvar kOnTermEnd = Symbol(\"_onTermEnd\");\nvar kOnResize = Symbol(\"_onResize\");\n\nfunction onSelfCloseWithTerminal() {\n var input = this.input;\n var output = this.output;\n\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"keypress\", this[kOnKeyPress]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnTermEnd]);\n if (output !== null && output !== undefined) {\n output.removeListener(\"resize\", this[kOnResize]);\n }\n}\n\nfunction onSelfCloseWithoutTerminal() {\n var input = this.input;\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"data\", this[kOnData]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnEnd]);\n}\n\nfunction onError(err) {\n this.emit(\"error\", err);\n}\n\nfunction onData(data) {\n debug(\"onData\");\n this[kNormalWrite](data);\n}\n\nfunction onEnd() {\n debug(\"onEnd\");\n if (typeof this[kLine_buffer] === \"string\" && this[kLine_buffer].length > 0) {\n this.emit(\"line\", this[kLine_buffer]);\n }\n this.close();\n}\n\nfunction onTermEnd() {\n debug(\"onTermEnd\");\n if (typeof this.line === \"string\" && this.line.length > 0) {\n this.emit(\"line\", this.line);\n }\n this.close();\n}\n\nfunction onKeyPress(s, key) {\n this[kTtyWrite](s, key);\n if (key && key.sequence) {\n // If the keySeq is half of a surrogate pair\n // (>= 0xd800 and <= 0xdfff), refresh the line so\n // the character is displayed appropriately.\n var ch = StringPrototypeCodePointAt.call(key.sequence, 0);\n if (ch >= 0xd800 && ch <= 0xdfff) this[kRefreshLine]();\n }\n}\n\nfunction onResize() {\n this[kRefreshLine]();\n}\n\nfunction InterfaceConstructor(input, output, completer, terminal) {\n if (!(this instanceof InterfaceConstructor)) {\n return new InterfaceConstructor(input, output, completer, terminal);\n }\n\n EventEmitter.call(this);\n\n this[kOnSelfCloseWithoutTerminal] = onSelfCloseWithoutTerminal.bind(this);\n this[kOnSelfCloseWithTerminal] = onSelfCloseWithTerminal.bind(this);\n\n this[kOnError] = onError.bind(this);\n this[kOnData] = onData.bind(this);\n this[kOnEnd] = onEnd.bind(this);\n this[kOnTermEnd] = onTermEnd.bind(this);\n this[kOnKeyPress] = onKeyPress.bind(this);\n this[kOnResize] = onResize.bind(this);\n\n this[kSawReturnAt] = 0;\n this.isCompletionEnabled = true;\n this[kSawKeyPress] = false;\n this[kPreviousKey] = null;\n this.escapeCodeTimeout = ESCAPE_CODE_TIMEOUT;\n this.tabSize = 8;\n\n var history;\n var historySize;\n var removeHistoryDuplicates = false;\n var crlfDelay;\n var prompt = \"> \";\n var signal;\n\n if (input?.input) {\n // An options object was given\n output = input.output;\n completer = input.completer;\n terminal = input.terminal;\n history = input.history;\n historySize = input.historySize;\n signal = input.signal;\n\n var tabSize = input.tabSize;\n if (tabSize !== undefined) {\n validateUint32(tabSize, \"tabSize\", true);\n this.tabSize = tabSize;\n }\n removeHistoryDuplicates = input.removeHistoryDuplicates;\n\n var inputPrompt = input.prompt;\n if (inputPrompt !== undefined) {\n prompt = inputPrompt;\n }\n\n var inputEscapeCodeTimeout = input.escapeCodeTimeout;\n if (inputEscapeCodeTimeout !== undefined) {\n if (NumberIsFinite(inputEscapeCodeTimeout)) {\n this.escapeCodeTimeout = inputEscapeCodeTimeout;\n } else {\n throw new ERR_INVALID_ARG_VALUE(\"input.escapeCodeTimeout\", this.escapeCodeTimeout);\n }\n }\n\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n }\n\n crlfDelay = input.crlfDelay;\n input = input.input;\n }\n\n if (completer !== undefined && typeof completer !== \"function\") {\n throw new ERR_INVALID_ARG_VALUE(\"completer\", completer);\n }\n\n if (history === undefined) {\n history = [];\n } else {\n validateArray(history, \"history\");\n }\n\n if (historySize === undefined) {\n historySize = kHistorySize;\n }\n\n if (typeof historySize !== \"number\" || NumberIsNaN(historySize) || historySize < 0) {\n throw new ERR_INVALID_ARG_VALUE(\"historySize\", historySize);\n }\n\n // Backwards compat; check the isTTY prop of the output stream\n // when `terminal` was not specified\n if (terminal === undefined && !(output === null || output === undefined)) {\n terminal = !!output.isTTY;\n }\n\n this.line = \"\";\n this[kSubstringSearch] = null;\n this.output = output;\n this.input = input;\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.history = history;\n this.historySize = historySize;\n\n // The kill ring is a global list of blocks of text that were previously\n // killed (deleted). If its size exceeds kMaxLengthOfKillRing, the oldest\n // element will be removed to make room for the latest deletion. With kill\n // ring, users are able to recall (yank) or cycle (yank pop) among previously\n // killed texts, quite similar to the behavior of Emacs.\n this[kKillRing] = [];\n this[kKillRingCursor] = 0;\n\n this.removeHistoryDuplicates = !!removeHistoryDuplicates;\n this.crlfDelay = crlfDelay ? MathMax(kMincrlfDelay, crlfDelay) : kMincrlfDelay;\n this.completer = completer;\n\n this.setPrompt(prompt);\n\n this.terminal = !!terminal;\n\n this[kLineObjectStream] = undefined;\n\n input.on(\"error\", this[kOnError]);\n\n if (!this.terminal) {\n input.on(\"data\", this[kOnData]);\n input.on(\"end\", this[kOnEnd]);\n this.once(\"close\", this[kOnSelfCloseWithoutTerminal]);\n this[kDecoder] = new StringDecoder(\"utf8\");\n } else {\n emitKeypressEvents(input, this);\n\n // `input` usually refers to stdin\n input.on(\"keypress\", this[kOnKeyPress]);\n input.on(\"end\", this[kOnTermEnd]);\n\n this[kSetRawMode](true);\n this.terminal = true;\n\n // Cursor position on the line.\n this.cursor = 0;\n this.historyIndex = -1;\n\n if (output !== null && output !== undefined) output.on(\"resize\", this[kOnResize]);\n\n this.once(\"close\", this[kOnSelfCloseWithTerminal]);\n }\n\n if (signal) {\n var onAborted = (() => this.close()).bind(this);\n if (signal.aborted) {\n process.nextTick(onAborted);\n } else {\n signal.addEventListener(\"abort\", onAborted, { once: true });\n this.once(\"close\", () => signal.removeEventListener(\"abort\", onAborted));\n }\n }\n\n // Current line\n this.line = \"\";\n\n input.resume();\n}\n\nObjectSetPrototypeOf(InterfaceConstructor.prototype, EventEmitter.prototype);\nObjectSetPrototypeOf(InterfaceConstructor, EventEmitter);\n\nvar _Interface = class Interface extends InterfaceConstructor {\n // TODO: Enumerate all the properties of the class\n\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n get columns() {\n var output = this.output;\n if (output && output.columns) return output.columns;\n return Infinity;\n }\n\n /**\n * Sets the prompt written to the output.\n * @param {string} prompt\n * @returns {void}\n */\n setPrompt(prompt) {\n this[kPrompt] = prompt;\n }\n\n /**\n * Returns the current prompt used by `rl.prompt()`.\n * @returns {string}\n */\n getPrompt() {\n return this[kPrompt];\n }\n\n [kSetRawMode](mode) {\n var input = this.input;\n var { setRawMode, wasInRawMode } = input;\n\n // TODO: Make this work, for now just stub this and print debug\n debug(\"setRawMode\", mode, \"set!\");\n // if (typeof setRawMode === \"function\") {\n // setRawMode(mode);\n // }\n\n return wasInRawMode;\n }\n\n /**\n * Writes the configured `prompt` to a new line in `output`.\n * @param {boolean} [preserveCursor]\n * @returns {void}\n */\n prompt(preserveCursor) {\n if (this.paused) this.resume();\n if (this.terminal && process.env.TERM !== \"dumb\") {\n if (!preserveCursor) this.cursor = 0;\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](this[kPrompt]);\n }\n }\n\n [kQuestion](query, cb) {\n if (this.closed) {\n throw new ERR_USE_AFTER_CLOSE(\"readline\");\n }\n if (this[kQuestionCallback]) {\n this.prompt();\n } else {\n this[kOldPrompt] = this[kPrompt];\n this.setPrompt(query);\n this[kQuestionCallback] = cb;\n this.prompt();\n }\n }\n\n [kOnLine](line) {\n if (this[kQuestionCallback]) {\n var cb = this[kQuestionCallback];\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n cb(line);\n } else {\n this.emit(\"line\", line);\n }\n }\n\n [kBeforeEdit](oldText, oldCursor) {\n this[kPushToUndoStack](oldText, oldCursor);\n }\n\n [kQuestionCancel]() {\n if (this[kQuestionCallback]) {\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n this.clearLine();\n }\n }\n\n [kWriteToOutput](stringToWrite) {\n validateString(stringToWrite, \"stringToWrite\");\n\n if (this.output !== null && this.output !== undefined) {\n this.output.write(stringToWrite);\n }\n }\n\n [kAddHistory]() {\n if (this.line.length === 0) return \"\";\n\n // If the history is disabled then return the line\n if (this.historySize === 0) return this.line;\n\n // If the trimmed line is empty then return the line\n if (StringPrototypeTrim.call(this.line).length === 0) return this.line;\n\n if (this.history.length === 0 || this.history[0] !== this.line) {\n if (this.removeHistoryDuplicates) {\n // Remove older history line if identical to new one\n var dupIndex = ArrayPrototypeIndexOf.call(this.history, this.line);\n if (dupIndex !== -1) ArrayPrototypeSplice.call(this.history, dupIndex, 1);\n }\n\n ArrayPrototypeUnshift.call(this.history, this.line);\n\n // Only store so many\n if (this.history.length > this.historySize) ArrayPrototypePop.call(this.history);\n }\n\n this.historyIndex = -1;\n\n // The listener could change the history object, possibly\n // to remove the last added entry if it is sensitive and should\n // not be persisted in the history, like a password\n var line = this.history[0];\n\n // Emit history event to notify listeners of update\n this.emit(\"history\", this.history);\n\n return line;\n }\n\n [kRefreshLine]() {\n // line length\n var line = this[kPrompt] + this.line;\n var dispPos = this[kGetDisplayPos](line);\n var lineCols = dispPos.cols;\n var lineRows = dispPos.rows;\n\n // cursor position\n var cursorPos = this.getCursorPos();\n\n // First move to the bottom of the current line, based on cursor pos\n var prevRows = this.prevRows || 0;\n if (prevRows > 0) {\n moveCursor(this.output, 0, -prevRows);\n }\n\n // Cursor to left edge.\n cursorTo(this.output, 0);\n // erase data\n clearScreenDown(this.output);\n\n // Write the prompt and the current buffer content.\n this[kWriteToOutput](line);\n\n // Force terminal to allocate a new line\n if (lineCols === 0) {\n this[kWriteToOutput](\" \");\n }\n\n // Move cursor to original position.\n cursorTo(this.output, cursorPos.cols);\n\n var diff = lineRows - cursorPos.rows;\n if (diff > 0) {\n moveCursor(this.output, 0, -diff);\n }\n\n this.prevRows = cursorPos.rows;\n }\n\n /**\n * Closes the `readline.Interface` instance.\n * @returns {void}\n */\n close() {\n if (this.closed) return;\n this.pause();\n if (this.terminal) {\n this[kSetRawMode](false);\n }\n this.closed = true;\n this.emit(\"close\");\n }\n\n /**\n * Pauses the `input` stream.\n * @returns {void | Interface}\n */\n pause() {\n if (this.paused) return;\n this.input.pause();\n this.paused = true;\n this.emit(\"pause\");\n return this;\n }\n\n /**\n * Resumes the `input` stream if paused.\n * @returns {void | Interface}\n */\n resume() {\n if (!this.paused) return;\n this.input.resume();\n this.paused = false;\n this.emit(\"resume\");\n return this;\n }\n\n /**\n * Writes either `data` or a `key` sequence identified by\n * `key` to the `output`.\n * @param {string} d\n * @param {{\n * ctrl?: boolean;\n * meta?: boolean;\n * shift?: boolean;\n * name?: string;\n * }} [key]\n * @returns {void}\n */\n write(d, key) {\n if (this.paused) this.resume();\n if (this.terminal) {\n this[kTtyWrite](d, key);\n } else {\n this[kNormalWrite](d);\n }\n }\n\n [kNormalWrite](b) {\n if (b === undefined) {\n return;\n }\n var string = this[kDecoder].write(b);\n if (this[kSawReturnAt] && DateNow() - this[kSawReturnAt] <= this.crlfDelay) {\n if (StringPrototypeCodePointAt.call(string) === 10) string = StringPrototypeSlice.call(string, 1);\n this[kSawReturnAt] = 0;\n }\n\n // Run test() on the new string chunk, not on the entire line buffer.\n var newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n if (newPartContainsEnding !== null) {\n if (this[kLine_buffer]) {\n string = this[kLine_buffer] + string;\n this[kLine_buffer] = null;\n newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n }\n this[kSawReturnAt] = StringPrototypeEndsWith.call(string, \"\\r\") ? DateNow() : 0;\n\n var indexes = [0, newPartContainsEnding.index, lineEnding.lastIndex];\n var nextMatch;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, string)) !== null) {\n ArrayPrototypePush.call(indexes, nextMatch.index, lineEnding.lastIndex);\n }\n var lastIndex = indexes.length - 1;\n // Either '' or (conceivably) the unfinished portion of the next line\n this[kLine_buffer] = StringPrototypeSlice.call(string, indexes[lastIndex]);\n for (var i = 1; i < lastIndex; i += 2) {\n this[kOnLine](StringPrototypeSlice.call(string, indexes[i - 1], indexes[i]));\n }\n } else if (string) {\n // No newlines this time, save what we have for next time\n if (this[kLine_buffer]) {\n this[kLine_buffer] += string;\n } else {\n this[kLine_buffer] = string;\n }\n }\n }\n\n [kInsertString](c) {\n this[kBeforeEdit](this.line, this.cursor);\n if (this.cursor < this.line.length) {\n var beg = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var end = StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.line = beg + c + end;\n this.cursor += c.length;\n this[kRefreshLine]();\n } else {\n var oldPos = this.getCursorPos();\n this.line += c;\n this.cursor += c.length;\n var newPos = this.getCursorPos();\n\n if (oldPos.rows < newPos.rows) {\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](c);\n }\n }\n }\n\n async [kTabComplete](lastKeypressWasTab) {\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var value;\n try {\n value = await this.completer(string);\n } catch (err) {\n this[kWriteToOutput](`Tab completion error: ${inspect(err)}`);\n return;\n } finally {\n this.resume();\n }\n this[kTabCompleter](lastKeypressWasTab, value);\n }\n\n [kTabCompleter](lastKeypressWasTab, { 0: completions, 1: completeOn }) {\n // Result and the text that was completed.\n\n if (!completions || completions.length === 0) {\n return;\n }\n\n // If there is a common prefix to all matches, then apply that portion.\n var prefix = commonPrefix(ArrayPrototypeFilter.call(completions, e => e !== \"\"));\n if (StringPrototypeStartsWith.call(prefix, completeOn) && prefix.length > completeOn.length) {\n this[kInsertString](StringPrototypeSlice.call(prefix, completeOn.length));\n return;\n } else if (!StringPrototypeStartsWith.call(completeOn, prefix)) {\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - completeOn.length) +\n prefix +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = this.cursor - completeOn.length + prefix.length;\n this._refreshLine();\n return;\n }\n\n if (!lastKeypressWasTab) {\n return;\n }\n\n this[kBeforeEdit](this.line, this.cursor);\n\n // Apply/show completions.\n var completionsWidth = ArrayPrototypeMap.call(completions, e => getStringWidth(e));\n var width = MathMaxApply(completionsWidth) + 2; // 2 space padding\n var maxColumns = MathFloor(this.columns / width) || 1;\n if (maxColumns === Infinity) {\n maxColumns = 1;\n }\n var output = \"\\r\\n\";\n var lineIndex = 0;\n var whitespace = 0;\n for (var i = 0; i < completions.length; i++) {\n var completion = completions[i];\n if (completion === \"\" || lineIndex === maxColumns) {\n output += \"\\r\\n\";\n lineIndex = 0;\n whitespace = 0;\n } else {\n output += StringPrototypeRepeat.call(\" \", whitespace);\n }\n if (completion !== \"\") {\n output += completion;\n whitespace = width - completionsWidth[i];\n lineIndex++;\n } else {\n output += \"\\r\\n\";\n }\n }\n if (lineIndex !== 0) {\n output += \"\\r\\n\\r\\n\";\n }\n this[kWriteToOutput](output);\n this[kRefreshLine]();\n }\n\n [kWordLeft]() {\n if (this.cursor > 0) {\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n this[kMoveCursor](-match[0].length);\n }\n }\n\n [kWordRight]() {\n if (this.cursor < this.line.length) {\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|[^\\w\\s]+|\\w+)\\s*/, trailing);\n this[kMoveCursor](match[0].length);\n }\n }\n\n [kDeleteLeft]() {\n if (this.cursor > 0 && this.line.length > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthLeft(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - charSize) +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n\n this.cursor -= charSize;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthAt(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) +\n StringPrototypeSlice.call(this.line, this.cursor + charSize, this.line.length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordLeft]() {\n if (this.cursor > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n leading = StringPrototypeSlice.call(leading, 0, leading.length - match[0].length);\n this.line = leading + StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = leading.length;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|\\W+|\\w+)\\s*/, trailing);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) + StringPrototypeSlice.call(trailing, match[0].length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteLineLeft]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, this.cursor);\n this.cursor = 0;\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kDeleteLineRight]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kPushToKillRing](del) {\n if (!del || del === this[kKillRing][0]) return;\n ArrayPrototypeUnshift.call(this[kKillRing], del);\n this[kKillRingCursor] = 0;\n while (this[kKillRing].length > kMaxLengthOfKillRing) ArrayPrototypePop.call(this[kKillRing]);\n }\n\n [kYank]() {\n if (this[kKillRing].length > 0) {\n this[kYanking] = true;\n this[kInsertString](this[kKillRing][this[kKillRingCursor]]);\n }\n }\n\n [kYankPop]() {\n if (!this[kYanking]) {\n return;\n }\n if (this[kKillRing].length > 1) {\n var lastYank = this[kKillRing][this[kKillRingCursor]];\n this[kKillRingCursor]++;\n if (this[kKillRingCursor] >= this[kKillRing].length) {\n this[kKillRingCursor] = 0;\n }\n var currentYank = this[kKillRing][this[kKillRingCursor]];\n var head = StringPrototypeSlice.call(this.line, 0, this.cursor - lastYank.length);\n var tail = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = head + currentYank + tail;\n this.cursor = head.length + currentYank.length;\n this[kRefreshLine]();\n }\n }\n\n clearLine() {\n this[kMoveCursor](+Infinity);\n this[kWriteToOutput](\"\\r\\n\");\n this.line = \"\";\n this.cursor = 0;\n this.prevRows = 0;\n }\n\n [kLine]() {\n var line = this[kAddHistory]();\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.clearLine();\n this[kOnLine](line);\n }\n\n [kPushToUndoStack](text, cursor) {\n if (ArrayPrototypePush.call(this[kUndoStack], { text, cursor }) > kMaxUndoRedoStackSize) {\n ArrayPrototypeShift.call(this[kUndoStack]);\n }\n }\n\n [kUndo]() {\n if (this[kUndoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kRedoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kUndoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kRedo]() {\n if (this[kRedoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kUndoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kRedoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kHistoryNext]() {\n if (this.historyIndex >= 0) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex - 1;\n while (\n index >= 0 &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index--;\n }\n if (index === -1) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n [kHistoryPrev]() {\n if (this.historyIndex < this.history.length && this.history.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex + 1;\n while (\n index < this.history.length &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index++;\n }\n if (index === this.history.length) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n // Returns the last character's display position of the given string\n [kGetDisplayPos](str) {\n var offset = 0;\n var col = this.columns;\n var rows = 0;\n str = stripVTControlCharacters(str);\n for (var char of new SafeStringIterator(str)) {\n if (char === \"\\n\") {\n // Rows must be incremented by 1 even if offset = 0 or col = +Infinity.\n rows += MathCeil(offset / col) || 1;\n offset = 0;\n continue;\n }\n // Tabs must be aligned by an offset of the tab size.\n if (char === \"\\t\") {\n offset += this.tabSize - (offset % this.tabSize);\n continue;\n }\n var width = getStringWidth(char, false /* stripVTControlCharacters */);\n if (width === 0 || width === 1) {\n offset += width;\n } else {\n // width === 2\n if ((offset + 1) % col === 0) {\n offset++;\n }\n offset += 2;\n }\n }\n var cols = offset % col;\n rows += (offset - cols) / col;\n return { cols, rows };\n }\n\n /**\n * Returns the real position of the cursor in relation\n * to the input prompt + string.\n * @returns {{\n * rows: number;\n * cols: number;\n * }}\n */\n getCursorPos() {\n var strBeforeCursor = this[kPrompt] + StringPrototypeSlice.call(this.line, 0, this.cursor);\n return this[kGetDisplayPos](strBeforeCursor);\n }\n\n // This function moves cursor dx places to the right\n // (-dx for left) and refreshes the line if it is needed.\n [kMoveCursor](dx) {\n if (dx === 0) {\n return;\n }\n var oldPos = this.getCursorPos();\n this.cursor += dx;\n\n // Bounds check\n if (this.cursor < 0) {\n this.cursor = 0;\n } else if (this.cursor > this.line.length) {\n this.cursor = this.line.length;\n }\n\n var newPos = this.getCursorPos();\n\n // Check if cursor stayed on the line.\n if (oldPos.rows === newPos.rows) {\n var diffWidth = newPos.cols - oldPos.cols;\n moveCursor(this.output, diffWidth, 0);\n } else {\n this[kRefreshLine]();\n }\n }\n\n // Handle a write from the tty\n [kTtyWrite](s, key) {\n var previousKey = this[kPreviousKey];\n key = key || kEmptyObject;\n this[kPreviousKey] = key;\n var { name: keyName, meta: keyMeta, ctrl: keyCtrl, shift: keyShift, sequence: keySeq } = key;\n\n if (!keyMeta || keyName !== \"y\") {\n // Reset yanking state unless we are doing yank pop.\n this[kYanking] = false;\n }\n\n // Activate or deactivate substring search.\n if ((keyName === \"up\" || keyName === \"down\") && !keyCtrl && !keyMeta && !keyShift) {\n if (this[kSubstringSearch] === null) {\n this[kSubstringSearch] = StringPrototypeSlice.call(this.line, 0, this.cursor);\n }\n } else if (this[kSubstringSearch] !== null) {\n this[kSubstringSearch] = null;\n // Reset the index in case there's no match.\n if (this.history.length === this.historyIndex) {\n this.historyIndex = -1;\n }\n }\n\n // Undo & Redo\n if (typeof keySeq === \"string\") {\n switch (StringPrototypeCodePointAt.call(keySeq, 0)) {\n case 0x1f:\n this[kUndo]();\n return;\n case 0x1e:\n this[kRedo]();\n return;\n default:\n break;\n }\n }\n\n // Ignore escape key, fixes\n // https://github.com/nodejs/node-v0.x-archive/issues/2876.\n if (keyName === \"escape\") return;\n\n if (keyCtrl && keyShift) {\n /* Control and shift pressed */\n switch (keyName) {\n // TODO(BridgeAR): The transmitted escape sequence is `\\b` and that is\n // identical to <ctrl>-h. It should have a unique escape sequence.\n case \"backspace\":\n this[kDeleteLineLeft]();\n break;\n\n case \"delete\":\n this[kDeleteLineRight]();\n break;\n }\n } else if (keyCtrl) {\n /* Control key pressed */\n\n switch (keyName) {\n case \"c\":\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n break;\n\n case \"h\": // delete left\n this[kDeleteLeft]();\n break;\n\n case \"d\": // delete right or EOF\n if (this.cursor === 0 && this.line.length === 0) {\n // This readline instance is finished\n this.close();\n } else if (this.cursor < this.line.length) {\n this[kDeleteRight]();\n }\n break;\n\n case \"u\": // Delete from current to start of line\n this[kDeleteLineLeft]();\n break;\n\n case \"k\": // Delete from current to end of line\n this[kDeleteLineRight]();\n break;\n\n case \"a\": // Go to the start of the line\n this[kMoveCursor](-Infinity);\n break;\n\n case \"e\": // Go to the end of the line\n this[kMoveCursor](+Infinity);\n break;\n\n case \"b\": // back one character\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"f\": // Forward one character\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"l\": // Clear the whole screen\n cursorTo(this.output, 0, 0);\n clearScreenDown(this.output);\n this[kRefreshLine]();\n break;\n\n case \"n\": // next history item\n this[kHistoryNext]();\n break;\n\n case \"p\": // Previous history item\n this[kHistoryPrev]();\n break;\n\n case \"y\": // Yank killed string\n this[kYank]();\n break;\n\n case \"z\":\n if (process.platform === \"win32\") break;\n if (this.listenerCount(\"SIGTSTP\") > 0) {\n this.emit(\"SIGTSTP\");\n } else {\n process.once(\"SIGCONT\", () => {\n // Don't raise events if stream has already been abandoned.\n if (!this.paused) {\n // Stream must be paused and resumed after SIGCONT to catch\n // SIGINT, SIGTSTP, and EOF.\n this.pause();\n this.emit(\"SIGCONT\");\n }\n // Explicitly re-enable \"raw mode\" and move the cursor to\n // the correct position.\n // See https://github.com/joyent/node/issues/3295.\n this[kSetRawMode](true);\n this[kRefreshLine]();\n });\n this[kSetRawMode](false);\n process.kill(process.pid, \"SIGTSTP\");\n }\n break;\n\n case \"w\": // Delete backwards to a word boundary\n case \"backspace\":\n this[kDeleteWordLeft]();\n break;\n\n case \"delete\": // Delete forward to a word boundary\n this[kDeleteWordRight]();\n break;\n\n case \"left\":\n this[kWordLeft]();\n break;\n\n case \"right\":\n this[kWordRight]();\n break;\n }\n } else if (keyMeta) {\n /* Meta key pressed */\n\n switch (keyName) {\n case \"b\": // backward word\n this[kWordLeft]();\n break;\n\n case \"f\": // forward word\n this[kWordRight]();\n break;\n\n case \"d\": // delete forward word\n case \"delete\":\n this[kDeleteWordRight]();\n break;\n\n case \"backspace\": // Delete backwards to a word boundary\n this[kDeleteWordLeft]();\n break;\n\n case \"y\": // Doing yank pop\n this[kYankPop]();\n break;\n }\n } else {\n /* No modifier keys used */\n\n // \\r bookkeeping is only relevant if a \\n comes right after.\n if (this[kSawReturnAt] && keyName !== \"enter\") this[kSawReturnAt] = 0;\n\n switch (keyName) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this[kLine]();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this[kLine]();\n }\n this[kSawReturnAt] = 0;\n break;\n\n case \"backspace\":\n this[kDeleteLeft]();\n break;\n\n case \"delete\":\n this[kDeleteRight]();\n break;\n\n case \"left\":\n // Obtain the code point to the left\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"right\":\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"home\":\n this[kMoveCursor](-Infinity);\n break;\n\n case \"end\":\n this[kMoveCursor](+Infinity);\n break;\n\n case \"up\":\n this[kHistoryPrev]();\n break;\n\n case \"down\":\n this[kHistoryNext]();\n break;\n\n case \"tab\":\n // If tab completion enabled, do that...\n if (typeof this.completer === \"function\" && this.isCompletionEnabled) {\n var lastKeypressWasTab = previousKey && previousKey.name === \"tab\";\n this[kTabComplete](lastKeypressWasTab);\n break;\n }\n // falls through\n default:\n if (typeof s === \"string\" && s) {\n var nextMatch = RegExpPrototypeExec.call(lineEnding, s);\n if (nextMatch !== null) {\n this[kInsertString](StringPrototypeSlice.call(s, 0, nextMatch.index));\n var { lastIndex } = lineEnding;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, s)) !== null) {\n this[kLine]();\n this[kInsertString](StringPrototypeSlice.call(s, lastIndex, nextMatch.index));\n ({ lastIndex } = lineEnding);\n }\n if (lastIndex === s.length) this[kLine]();\n } else {\n this[kInsertString](s);\n }\n }\n }\n }\n }\n\n /**\n * Creates an `AsyncIterator` object that iterates through\n * each line in the input stream as a string.\n * @typedef {{\n * [Symbol.asyncIterator]: () => InterfaceAsyncIterator,\n * next: () => Promise<string>\n * }} InterfaceAsyncIterator\n * @returns {InterfaceAsyncIterator}\n */\n [SymbolAsyncIterator]() {\n if (this[kLineObjectStream] === undefined) {\n this[kLineObjectStream] = EventEmitter.on(this, \"line\", {\n close: [\"close\"],\n highWatermark: 1024,\n [kFirstEventParam]: true,\n });\n }\n return this[kLineObjectStream];\n }\n};\n\nfunction Interface(input, output, completer, terminal) {\n if (!(this instanceof Interface)) {\n return new Interface(input, output, completer, terminal);\n }\n\n if (input?.input && typeof input.completer === \"function\" && input.completer.length !== 2) {\n var { completer } = input;\n input.completer = (v, cb) => cb(null, completer(v));\n } else if (typeof completer === \"function\" && completer.length !== 2) {\n var realCompleter = completer;\n completer = (v, cb) => cb(null, realCompleter(v));\n }\n\n InterfaceConstructor.call(this, input, output, completer, terminal);\n\n // TODO: Test this\n if (process.env.TERM === \"dumb\") {\n this._ttyWrite = _ttyWriteDumb.bind(this);\n }\n}\n\nObjectSetPrototypeOf(Interface.prototype, _Interface.prototype);\nObjectSetPrototypeOf(Interface, _Interface);\n\n/**\n * Displays `query` by writing it to the `output`.\n * @param {string} query\n * @param {{ signal?: AbortSignal; }} [options]\n * @param {Function} cb\n * @returns {void}\n */\nInterface.prototype.question = function question(query, options, cb) {\n cb = typeof options === \"function\" ? options : cb;\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return;\n }\n\n var onAbort = () => {\n this[kQuestionCancel]();\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n var cleanup = () => {\n signal.removeEventListener(\"abort\", onAbort);\n };\n var originalCb = cb;\n cb =\n typeof cb === \"function\"\n ? answer => {\n cleanup();\n return originalCb(answer);\n }\n : cleanup;\n }\n\n if (typeof cb === \"function\") {\n this[kQuestion](query, cb);\n }\n};\n\nInterface.prototype.question[promisify.custom] = function question(query, options) {\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n\n if (signal && signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (signal) {\n var onAbort = () => {\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this.question(query, options, cb);\n });\n};\n\n/**\n * Creates a new `readline.Interface` instance.\n * @param {Readable | {\n * input: Readable;\n * output: Writable;\n * completer?: Function;\n * terminal?: boolean;\n * history?: string[];\n * historySize?: number;\n * removeHistoryDuplicates?: boolean;\n * prompt?: string;\n * crlfDelay?: number;\n * escapeCodeTimeout?: number;\n * tabSize?: number;\n * signal?: AbortSignal;\n * }} input\n * @param {Writable} [output]\n * @param {Function} [completer]\n * @param {boolean} [terminal]\n * @returns {Interface}\n */\nfunction createInterface(input, output, completer, terminal) {\n return new Interface(input, output, completer, terminal);\n}\n\nObjectDefineProperties(Interface.prototype, {\n // Redirect internal prototype methods to the underscore notation for backward\n // compatibility.\n [kSetRawMode]: {\n __proto__: null,\n get() {\n return this._setRawMode;\n },\n },\n [kOnLine]: {\n __proto__: null,\n get() {\n return this._onLine;\n },\n },\n [kWriteToOutput]: {\n __proto__: null,\n get() {\n return this._writeToOutput;\n },\n },\n [kAddHistory]: {\n __proto__: null,\n get() {\n return this._addHistory;\n },\n },\n [kRefreshLine]: {\n __proto__: null,\n get() {\n return this._refreshLine;\n },\n },\n [kNormalWrite]: {\n __proto__: null,\n get() {\n return this._normalWrite;\n },\n },\n [kInsertString]: {\n __proto__: null,\n get() {\n return this._insertString;\n },\n },\n [kTabComplete]: {\n __proto__: null,\n get() {\n return this._tabComplete;\n },\n },\n [kWordLeft]: {\n __proto__: null,\n get() {\n return this._wordLeft;\n },\n },\n [kWordRight]: {\n __proto__: null,\n get() {\n return this._wordRight;\n },\n },\n [kDeleteLeft]: {\n __proto__: null,\n get() {\n return this._deleteLeft;\n },\n },\n [kDeleteRight]: {\n __proto__: null,\n get() {\n return this._deleteRight;\n },\n },\n [kDeleteWordLeft]: {\n __proto__: null,\n get() {\n return this._deleteWordLeft;\n },\n },\n [kDeleteWordRight]: {\n __proto__: null,\n get() {\n return this._deleteWordRight;\n },\n },\n [kDeleteLineLeft]: {\n __proto__: null,\n get() {\n return this._deleteLineLeft;\n },\n },\n [kDeleteLineRight]: {\n __proto__: null,\n get() {\n return this._deleteLineRight;\n },\n },\n [kLine]: {\n __proto__: null,\n get() {\n return this._line;\n },\n },\n [kHistoryNext]: {\n __proto__: null,\n get() {\n return this._historyNext;\n },\n },\n [kHistoryPrev]: {\n __proto__: null,\n get() {\n return this._historyPrev;\n },\n },\n [kGetDisplayPos]: {\n __proto__: null,\n get() {\n return this._getDisplayPos;\n },\n },\n [kMoveCursor]: {\n __proto__: null,\n get() {\n return this._moveCursor;\n },\n },\n [kTtyWrite]: {\n __proto__: null,\n get() {\n return this._ttyWrite;\n },\n },\n\n // Defining proxies for the internal instance properties for backward\n // compatibility.\n _decoder: {\n __proto__: null,\n get() {\n return this[kDecoder];\n },\n set(value) {\n this[kDecoder] = value;\n },\n },\n _line_buffer: {\n __proto__: null,\n get() {\n return this[kLine_buffer];\n },\n set(value) {\n this[kLine_buffer] = value;\n },\n },\n _oldPrompt: {\n __proto__: null,\n get() {\n return this[kOldPrompt];\n },\n set(value) {\n this[kOldPrompt] = value;\n },\n },\n _previousKey: {\n __proto__: null,\n get() {\n return this[kPreviousKey];\n },\n set(value) {\n this[kPreviousKey] = value;\n },\n },\n _prompt: {\n __proto__: null,\n get() {\n return this[kPrompt];\n },\n set(value) {\n this[kPrompt] = value;\n },\n },\n _questionCallback: {\n __proto__: null,\n get() {\n return this[kQuestionCallback];\n },\n set(value) {\n this[kQuestionCallback] = value;\n },\n },\n _sawKeyPress: {\n __proto__: null,\n get() {\n return this[kSawKeyPress];\n },\n set(value) {\n this[kSawKeyPress] = value;\n },\n },\n _sawReturnAt: {\n __proto__: null,\n get() {\n return this[kSawReturnAt];\n },\n set(value) {\n this[kSawReturnAt] = value;\n },\n },\n});\n\n// Make internal methods public for backward compatibility.\nInterface.prototype._setRawMode = _Interface.prototype[kSetRawMode];\nInterface.prototype._onLine = _Interface.prototype[kOnLine];\nInterface.prototype._writeToOutput = _Interface.prototype[kWriteToOutput];\nInterface.prototype._addHistory = _Interface.prototype[kAddHistory];\nInterface.prototype._refreshLine = _Interface.prototype[kRefreshLine];\nInterface.prototype._normalWrite = _Interface.prototype[kNormalWrite];\nInterface.prototype._insertString = _Interface.prototype[kInsertString];\nInterface.prototype._tabComplete = function (lastKeypressWasTab) {\n // Overriding parent method because `this.completer` in the legacy\n // implementation takes a callback instead of being an async function.\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.completer(string, (err, value) => {\n this.resume();\n\n if (err) {\n this._writeToOutput(`Tab completion error: ${inspect(err)}`);\n return;\n }\n\n this[kTabCompleter](lastKeypressWasTab, value);\n });\n};\nInterface.prototype._wordLeft = _Interface.prototype[kWordLeft];\nInterface.prototype._wordRight = _Interface.prototype[kWordRight];\nInterface.prototype._deleteLeft = _Interface.prototype[kDeleteLeft];\nInterface.prototype._deleteRight = _Interface.prototype[kDeleteRight];\nInterface.prototype._deleteWordLeft = _Interface.prototype[kDeleteWordLeft];\nInterface.prototype._deleteWordRight = _Interface.prototype[kDeleteWordRight];\nInterface.prototype._deleteLineLeft = _Interface.prototype[kDeleteLineLeft];\nInterface.prototype._deleteLineRight = _Interface.prototype[kDeleteLineRight];\nInterface.prototype._line = _Interface.prototype[kLine];\nInterface.prototype._historyNext = _Interface.prototype[kHistoryNext];\nInterface.prototype._historyPrev = _Interface.prototype[kHistoryPrev];\nInterface.prototype._getDisplayPos = _Interface.prototype[kGetDisplayPos];\nInterface.prototype._getCursorPos = _Interface.prototype.getCursorPos;\nInterface.prototype._moveCursor = _Interface.prototype[kMoveCursor];\nInterface.prototype._ttyWrite = _Interface.prototype[kTtyWrite];\n\nfunction _ttyWriteDumb(s, key) {\n key = key || kEmptyObject;\n\n if (key.name === \"escape\") return;\n\n if (this[kSawReturnAt] && key.name !== \"enter\") this[kSawReturnAt] = 0;\n\n if (keyCtrl) {\n if (key.name === \"c\") {\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n\n return;\n } else if (key.name === \"d\") {\n this.close();\n return;\n }\n }\n\n switch (key.name) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this._line();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this._line();\n }\n this[kSawReturnAt] = 0;\n break;\n\n default:\n if (typeof s === \"string\" && s) {\n this.line += s;\n this.cursor += s.length;\n this._writeToOutput(s);\n }\n }\n}\n\nclass Readline {\n #autoCommit = false;\n #stream;\n #todo = [];\n\n constructor(stream, options = undefined) {\n isWritable ??= import.meta.require(\"node:stream\").isWritable;\n if (!isWritable(stream)) throw new ERR_INVALID_ARG_TYPE(\"stream\", \"Writable\", stream);\n this.#stream = stream;\n if (options?.autoCommit != null) {\n validateBoolean(options.autoCommit, \"options.autoCommit\");\n this.#autoCommit = options.autoCommit;\n }\n }\n\n /**\n * Moves the cursor to the x and y coordinate on the given stream.\n * @param {integer} x\n * @param {integer} [y]\n * @returns {Readline} this\n */\n cursorTo(x, y = undefined) {\n validateInteger(x, \"x\");\n if (y != null) validateInteger(y, \"y\");\n\n var data = y == null ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n\n return this;\n }\n\n /**\n * Moves the cursor relative to its current location.\n * @param {integer} dx\n * @param {integer} dy\n * @returns {Readline} this\n */\n moveCursor(dx, dy) {\n if (dx || dy) {\n validateInteger(dx, \"dx\");\n validateInteger(dy, \"dy\");\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n }\n return this;\n }\n\n /**\n * Clears the current line the cursor is on.\n * @param {-1|0|1} dir Direction to clear:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n * @returns {Readline} this\n */\n clearLine(dir) {\n validateInteger(dir, \"dir\", -1, 1);\n\n var data = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n return this;\n }\n\n /**\n * Clears the screen from the current position of the cursor down.\n * @returns {Readline} this\n */\n clearScreenDown() {\n if (this.#autoCommit) {\n process.nextTick(() => this.#stream.write(kClearScreenDown));\n } else {\n ArrayPrototypePush.call(this.#todo, kClearScreenDown);\n }\n return this;\n }\n\n /**\n * Sends all the pending actions to the associated `stream` and clears the\n * internal list of pending actions.\n * @returns {Promise<void>} Resolves when all pending actions have been\n * flushed to the associated `stream`.\n */\n commit() {\n return new Promise(resolve => {\n this.#stream.write(ArrayPrototypeJoin.call(this.#todo, \"\"), resolve);\n this.#todo = [];\n });\n }\n\n /**\n * Clears the internal list of pending actions without sending it to the\n * associated `stream`.\n * @returns {Readline} this\n */\n rollback() {\n this.#todo = [];\n return this;\n }\n}\n\nvar PromisesInterface = class Interface extends _Interface {\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n question(query, options = kEmptyObject) {\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n }\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (options?.signal) {\n var onAbort = () => {\n this[kQuestionCancel]();\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this[kQuestion](query, cb);\n });\n }\n};\n\n// ----------------------------------------------------------------------------\n// Exports\n// ----------------------------------------------------------------------------\nexport var Interface = Interface;\nexport var clearLine = clearLine;\nexport var clearScreenDown = clearScreenDown;\nexport var createInterface = createInterface;\nexport var cursorTo = cursorTo;\nexport var emitKeypressEvents = emitKeypressEvents;\nexport var moveCursor = moveCursor;\nexport var promises = {\n Readline,\n Interface: PromisesInterface,\n createInterface(input, output, completer, terminal) {\n return new PromisesInterface(input, output, completer, terminal);\n },\n};\n\nexport default {\n Interface,\n clearLine,\n clearScreenDown,\n createInterface,\n cursorTo,\n emitKeypressEvents,\n moveCursor,\n promises,\n\n [SymbolFor(\"__BUN_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED__\")]: {\n CSI,\n utils: {\n getStringWidth,\n stripVTControlCharacters,\n },\n },\n [SymbolFor(\"CommonJS\")]: 0,\n};\n", - "// Hardcoded module \"node:readline\"\n// Attribution: Some parts of of this module are derived from code originating from the Node.js\n// readline module which is licensed under an MIT license:\n//\n// Copyright Node.js contributors. All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n// IN THE SOFTWARE.\n\n// ----------------------------------------------------------------------------\n// Section: Imports\n// ----------------------------------------------------------------------------\nvar { Array, RegExp, String, Bun } = import.meta.primordials;\nvar EventEmitter = import.meta.require(\"node:events\");\nvar { clearTimeout, setTimeout } = import.meta.require(\"timers\");\nvar { StringDecoder } = import.meta.require(\"string_decoder\");\nvar isWritable;\n\nvar { inspect } = Bun;\nvar debug = process.env.BUN_JS_DEBUG ? console.log : () => {};\n\n// ----------------------------------------------------------------------------\n// Section: Preamble\n// ----------------------------------------------------------------------------\n\nvar SymbolAsyncIterator = Symbol.asyncIterator;\nvar SymbolIterator = Symbol.iterator;\nvar SymbolFor = Symbol.for;\nvar SymbolReplace = Symbol.replace;\nvar ArrayFrom = Array.from;\nvar ArrayIsArray = Array.isArray;\nvar ArrayPrototypeFilter = Array.prototype.filter;\nvar ArrayPrototypeSort = Array.prototype.sort;\nvar ArrayPrototypeIndexOf = Array.prototype.indexOf;\nvar ArrayPrototypeJoin = Array.prototype.join;\nvar ArrayPrototypeMap = Array.prototype.map;\nvar ArrayPrototypePop = Array.prototype.pop;\nvar ArrayPrototypePush = Array.prototype.push;\nvar ArrayPrototypeSlice = Array.prototype.slice;\nvar ArrayPrototypeSplice = Array.prototype.splice;\nvar ArrayPrototypeReverse = Array.prototype.reverse;\nvar ArrayPrototypeShift = Array.prototype.shift;\nvar ArrayPrototypeUnshift = Array.prototype.unshift;\nvar RegExpPrototypeExec = RegExp.prototype.exec;\nvar RegExpPrototypeSymbolReplace = RegExp.prototype[SymbolReplace];\nvar StringFromCharCode = String.fromCharCode;\nvar StringPrototypeCharCodeAt = String.prototype.charCodeAt;\nvar StringPrototypeCodePointAt = String.prototype.codePointAt;\nvar StringPrototypeSlice = String.prototype.slice;\nvar StringPrototypeToLowerCase = String.prototype.toLowerCase;\nvar StringPrototypeEndsWith = String.prototype.endsWith;\nvar StringPrototypeRepeat = String.prototype.repeat;\nvar StringPrototypeStartsWith = String.prototype.startsWith;\nvar StringPrototypeTrim = String.prototype.trim;\nvar StringPrototypeNormalize = String.prototype.normalize;\nvar NumberIsNaN = Number.isNaN;\nvar NumberIsFinite = Number.isFinite;\nvar NumberIsInteger = Number.isInteger;\nvar NumberMAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;\nvar NumberMIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER;\nvar MathCeil = Math.ceil;\nvar MathFloor = Math.floor;\nvar MathMax = Math.max;\nvar MathMaxApply = Math.max.apply;\nvar DateNow = Date.now;\nvar FunctionPrototype = Function.prototype;\nvar StringPrototype = String.prototype;\nvar StringPrototypeSymbolIterator = StringPrototype[SymbolIterator];\nvar StringIteratorPrototypeNext = StringPrototypeSymbolIterator.call(\"\").next;\nvar ObjectSetPrototypeOf = Object.setPrototypeOf;\nvar ObjectDefineProperty = Object.defineProperty;\nvar ObjectDefineProperties = Object.defineProperties;\nvar ObjectFreeze = Object.freeze;\nvar ObjectAssign = Object.assign;\nvar ObjectCreate = Object.create;\nvar ObjectKeys = Object.keys;\nvar ObjectSeal = Object.seal;\n\nvar createSafeIterator = (factory, next) => {\n class SafeIterator {\n #iterator;\n constructor(iterable) {\n this.#iterator = factory.call(iterable);\n }\n next() {\n return next.call(this.#iterator);\n }\n [SymbolIterator]() {\n return this;\n }\n }\n ObjectSetPrototypeOf(SafeIterator.prototype, null);\n ObjectFreeze(SafeIterator.prototype);\n ObjectFreeze(SafeIterator);\n return SafeIterator;\n};\n\nvar SafeStringIterator = createSafeIterator(StringPrototypeSymbolIterator, StringIteratorPrototypeNext);\n\n// ----------------------------------------------------------------------------\n// Section: \"Internal\" modules\n// ----------------------------------------------------------------------------\n\n/**\n * Returns true if the character represented by a given\n * Unicode code point is full-width. Otherwise returns false.\n */\nvar isFullWidthCodePoint = code => {\n // Code points are partially derived from:\n // https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt\n return (\n code >= 0x1100 &&\n (code <= 0x115f || // Hangul Jamo\n code === 0x2329 || // LEFT-POINTING ANGLE BRACKET\n code === 0x232a || // RIGHT-POINTING ANGLE BRACKET\n // CJK Radicals Supplement .. Enclosed CJK Letters and Months\n (code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||\n // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A\n (code >= 0x3250 && code <= 0x4dbf) ||\n // CJK Unified Ideographs .. Yi Radicals\n (code >= 0x4e00 && code <= 0xa4c6) ||\n // Hangul Jamo Extended-A\n (code >= 0xa960 && code <= 0xa97c) ||\n // Hangul Syllables\n (code >= 0xac00 && code <= 0xd7a3) ||\n // CJK Compatibility Ideographs\n (code >= 0xf900 && code <= 0xfaff) ||\n // Vertical Forms\n (code >= 0xfe10 && code <= 0xfe19) ||\n // CJK Compatibility Forms .. Small Form Variants\n (code >= 0xfe30 && code <= 0xfe6b) ||\n // Halfwidth and Fullwidth Forms\n (code >= 0xff01 && code <= 0xff60) ||\n (code >= 0xffe0 && code <= 0xffe6) ||\n // Kana Supplement\n (code >= 0x1b000 && code <= 0x1b001) ||\n // Enclosed Ideographic Supplement\n (code >= 0x1f200 && code <= 0x1f251) ||\n // Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff\n // Emoticons 0x1f600 - 0x1f64f\n (code >= 0x1f300 && code <= 0x1f64f) ||\n // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane\n (code >= 0x20000 && code <= 0x3fffd))\n );\n};\n\nvar isZeroWidthCodePoint = code => {\n return (\n code <= 0x1f || // C0 control codes\n (code >= 0x7f && code <= 0x9f) || // C1 control codes\n (code >= 0x300 && code <= 0x36f) || // Combining Diacritical Marks\n (code >= 0x200b && code <= 0x200f) || // Modifying Invisible Characters\n // Combining Diacritical Marks for Symbols\n (code >= 0x20d0 && code <= 0x20ff) ||\n (code >= 0xfe00 && code <= 0xfe0f) || // Variation Selectors\n (code >= 0xfe20 && code <= 0xfe2f) || // Combining Half Marks\n (code >= 0xe0100 && code <= 0xe01ef)\n ); // Variation Selectors\n};\n\n/**\n * Returns the number of columns required to display the given string.\n */\nvar getStringWidth = function getStringWidth(str, removeControlChars = true) {\n var width = 0;\n\n if (removeControlChars) str = stripVTControlCharacters(str);\n str = StringPrototypeNormalize.call(str, \"NFC\");\n for (var char of new SafeStringIterator(str)) {\n var code = StringPrototypeCodePointAt.call(char, 0);\n if (isFullWidthCodePoint(code)) {\n width += 2;\n } else if (!isZeroWidthCodePoint(code)) {\n width++;\n }\n }\n\n return width;\n};\n\n// Regex used for ansi escape code splitting\n// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js\n// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore\n// Matches all ansi escape code sequences in a string\nvar ansiPattern =\n \"[\\\\u001B\\\\u009B][[\\\\]()#;?]*\" +\n \"(?:(?:(?:(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]+)*\" +\n \"|[a-zA-Z\\\\d]+(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]*)*)?\\\\u0007)\" +\n \"|(?:(?:\\\\d{1,4}(?:;\\\\d{0,4})*)?[\\\\dA-PR-TZcf-ntqry=><~]))\";\nvar ansi = new RegExp(ansiPattern, \"g\");\n\n/**\n * Remove all VT control characters. Use to estimate displayed string width.\n */\nfunction stripVTControlCharacters(str) {\n validateString(str, \"str\");\n return RegExpPrototypeSymbolReplace.call(ansi, str, \"\");\n}\n\n// Promisify\n\nvar kCustomPromisifiedSymbol = SymbolFor(\"nodejs.util.promisify.custom\");\nvar kCustomPromisifyArgsSymbol = Symbol(\"customPromisifyArgs\");\n\nfunction promisify(original) {\n validateFunction(original, \"original\");\n\n if (original[kCustomPromisifiedSymbol]) {\n var fn = original[kCustomPromisifiedSymbol];\n\n validateFunction(fn, \"util.promisify.custom\");\n\n return ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n }\n\n // Names to create an object from in case the callback receives multiple\n // arguments, e.g. ['bytesRead', 'buffer'] for fs.read.\n var argumentNames = original[kCustomPromisifyArgsSymbol];\n\n function fn(...args) {\n return new Promise((resolve, reject) => {\n ArrayPrototypePush.call(args, (err, ...values) => {\n if (err) {\n return reject(err);\n }\n if (argumentNames !== undefined && values.length > 1) {\n var obj = {};\n for (var i = 0; i < argumentNames.length; i++) obj[argumentNames[i]] = values[i];\n resolve(obj);\n } else {\n resolve(values[0]);\n }\n });\n ReflectApply(original, this, args);\n });\n }\n\n ObjectSetPrototypeOf(fn, ObjectGetPrototypeOf(original));\n\n ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n\n var descriptors = ObjectGetOwnPropertyDescriptors(original);\n var propertiesValues = ObjectValues(descriptors);\n for (var i = 0; i < propertiesValues.length; i++) {\n // We want to use null-prototype objects to not rely on globally mutable\n // %Object.prototype%.\n ObjectSetPrototypeOf(propertiesValues[i], null);\n }\n return ObjectDefineProperties(fn, descriptors);\n}\n\npromisify.custom = kCustomPromisifiedSymbol;\n\n// Constants\n\nvar kUTF16SurrogateThreshold = 0x10000; // 2 ** 16\nvar kEscape = \"\\x1b\";\nvar kSubstringSearch = Symbol(\"kSubstringSearch\");\n\nvar kIsNodeError = Symbol(\"kIsNodeError\");\n\n// Errors\nvar errorBases = {};\nvar VALID_NODE_ERROR_BASES = {\n TypeError,\n RangeError,\n Error,\n};\n\nfunction getNodeErrorByName(typeName) {\n var base = errorBases[typeName];\n if (base) {\n return base;\n }\n if (!ObjectKeys(VALID_NODE_ERROR_BASES).includes(typeName)) {\n throw new Error(\"Invalid NodeError type\");\n }\n\n var Base = VALID_NODE_ERROR_BASES[typeName];\n\n class NodeError extends Base {\n [kIsNodeError] = true;\n code;\n constructor(msg, opts) {\n super(msg, opts);\n this.code = opts?.code || \"ERR_GENERIC\";\n }\n\n toString() {\n return `${this.name} [${this.code}]: ${this.message}`;\n }\n }\n errorBases[typeName] = NodeError;\n return NodeError;\n}\n\nvar NodeError = getNodeErrorByName(\"Error\");\nvar NodeTypeError = getNodeErrorByName(\"TypeError\");\nvar NodeRangeError = getNodeErrorByName(\"RangeError\");\n\nclass ERR_INVALID_ARG_TYPE extends NodeTypeError {\n constructor(name, type, value) {\n super(`The \"${name}\" argument must be of type ${type}. Received type ${typeof value}`, {\n code: \"ERR_INVALID_ARG_TYPE\",\n });\n }\n}\n\nclass ERR_INVALID_ARG_VALUE extends NodeTypeError {\n constructor(name, value, reason = \"not specified\") {\n super(`The value \"${String(value)}\" is invalid for argument '${name}'. Reason: ${reason}`, {\n code: \"ERR_INVALID_ARG_VALUE\",\n });\n }\n}\n\nclass ERR_INVALID_CURSOR_POS extends NodeTypeError {\n constructor() {\n super(\"Cannot set cursor row without setting its column\", {\n code: \"ERR_INVALID_CURSOR_POS\",\n });\n }\n}\n\nclass ERR_OUT_OF_RANGE extends NodeRangeError {\n constructor(name, range, received) {\n super(`The value of \"${name}\" is out of range. It must be ${range}. Received ${received}`, {\n code: \"ERR_OUT_OF_RANGE\",\n });\n }\n}\n\nclass ERR_USE_AFTER_CLOSE extends NodeError {\n constructor() {\n super(\"This socket has been ended by the other party\", {\n code: \"ERR_USE_AFTER_CLOSE\",\n });\n }\n}\n\nclass AbortError extends Error {\n code;\n constructor() {\n super(\"The operation was aborted\");\n this.code = \"ABORT_ERR\";\n }\n}\n\n// Validators\n\n/**\n * @callback validateFunction\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is Function}\n */\nfunction validateFunction(value, name) {\n if (typeof value !== \"function\") throw new ERR_INVALID_ARG_TYPE(name, \"Function\", value);\n}\n\n/**\n * @callback validateAbortSignal\n * @param {*} signal\n * @param {string} name\n */\nfunction validateAbortSignal(signal, name) {\n if (signal !== undefined && (signal === null || typeof signal !== \"object\" || !(\"aborted\" in signal))) {\n throw new ERR_INVALID_ARG_TYPE(name, \"AbortSignal\", signal);\n }\n}\n\n/**\n * @callback validateArray\n * @param {*} value\n * @param {string} name\n * @param {number} [minLength]\n * @returns {asserts value is any[]}\n */\nfunction validateArray(value, name, minLength = 0) {\n // var validateArray = hideStackFrames((value, name, minLength = 0) => {\n if (!ArrayIsArray(value)) {\n throw new ERR_INVALID_ARG_TYPE(name, \"Array\", value);\n }\n if (value.length < minLength) {\n var reason = `must be longer than ${minLength}`;\n throw new ERR_INVALID_ARG_VALUE(name, value, reason);\n }\n}\n\n/**\n * @callback validateString\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is string}\n */\nfunction validateString(value, name) {\n if (typeof value !== \"string\") throw new ERR_INVALID_ARG_TYPE(name, \"string\", value);\n}\n\n/**\n * @callback validateBoolean\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is boolean}\n */\nfunction validateBoolean(value, name) {\n if (typeof value !== \"boolean\") throw new ERR_INVALID_ARG_TYPE(name, \"boolean\", value);\n}\n\n/**\n * @callback validateObject\n * @param {*} value\n * @param {string} name\n * @param {{\n * allowArray?: boolean,\n * allowFunction?: boolean,\n * nullable?: boolean\n * }} [options]\n */\nfunction validateObject(value, name, options = null) {\n // var validateObject = hideStackFrames((value, name, options = null) => {\n var allowArray = options?.allowArray ?? false;\n var allowFunction = options?.allowFunction ?? false;\n var nullable = options?.nullable ?? false;\n if (\n (!nullable && value === null) ||\n (!allowArray && ArrayIsArray.call(value)) ||\n (typeof value !== \"object\" && (!allowFunction || typeof value !== \"function\"))\n ) {\n throw new ERR_INVALID_ARG_TYPE(name, \"object\", value);\n }\n}\n\n/**\n * @callback validateInteger\n * @param {*} value\n * @param {string} name\n * @param {number} [min]\n * @param {number} [max]\n * @returns {asserts value is number}\n */\nfunction validateInteger(value, name, min = NumberMIN_SAFE_INTEGER, max = NumberMAX_SAFE_INTEGER) {\n if (typeof value !== \"number\") throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n if (!NumberIsInteger(value)) throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n if (value < min || value > max) throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n}\n\n/**\n * @callback validateUint32\n * @param {*} value\n * @param {string} name\n * @param {number|boolean} [positive=false]\n * @returns {asserts value is number}\n */\nfunction validateUint32(value, name, positive = false) {\n if (typeof value !== \"number\") {\n throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n }\n\n if (!NumberIsInteger(value)) {\n throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n }\n\n var min = positive ? 1 : 0; // 2 ** 32 === 4294967296\n var max = 4_294_967_295;\n\n if (value < min || value > max) {\n throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Utils\n// ----------------------------------------------------------------------------\n\nfunction CSI(strings, ...args) {\n var ret = `${kEscape}[`;\n for (var n = 0; n < strings.length; n++) {\n ret += strings[n];\n if (n < args.length) ret += args[n];\n }\n return ret;\n}\n\nvar kClearLine, kClearScreenDown, kClearToLineBeginning, kClearToLineEnd;\n\nCSI.kEscape = kEscape;\nCSI.kClearLine = kClearLine = CSI`2K`;\nCSI.kClearScreenDown = kClearScreenDown = CSI`0J`;\nCSI.kClearToLineBeginning = kClearToLineBeginning = CSI`1K`;\nCSI.kClearToLineEnd = kClearToLineEnd = CSI`0K`;\n\nfunction charLengthLeft(str, i) {\n if (i <= 0) return 0;\n if (\n (i > 1 && StringPrototypeCodePointAt.call(str, i - 2) >= kUTF16SurrogateThreshold) ||\n StringPrototypeCodePointAt.call(str, i - 1) >= kUTF16SurrogateThreshold\n ) {\n return 2;\n }\n return 1;\n}\n\nfunction charLengthAt(str, i) {\n if (str.length <= i) {\n // Pretend to move to the right. This is necessary to autocomplete while\n // moving to the right.\n return 1;\n }\n return StringPrototypeCodePointAt.call(str, i) >= kUTF16SurrogateThreshold ? 2 : 1;\n}\n\n/*\n Some patterns seen in terminal key escape codes, derived from combos seen\n at http://www.midnight-commander.org/browser/lib/tty/key.c\n ESC letter\n ESC [ letter\n ESC [ modifier letter\n ESC [ 1 ; modifier letter\n ESC [ num char\n ESC [ num ; modifier char\n ESC O letter\n ESC O modifier letter\n ESC O 1 ; modifier letter\n ESC N letter\n ESC [ [ num ; modifier char\n ESC [ [ 1 ; modifier letter\n ESC ESC [ num char\n ESC ESC O letter\n - char is usually ~ but $ and ^ also happen with rxvt\n - modifier is 1 +\n (shift * 1) +\n (left_alt * 2) +\n (ctrl * 4) +\n (right_alt * 8)\n - two leading ESCs apparently mean the same as one leading ESC\n*/\nfunction* emitKeys(stream) {\n while (true) {\n var ch = yield;\n var s = ch;\n var escaped = false;\n\n var keySeq = null;\n var keyName;\n var keyCtrl = false;\n var keyMeta = false;\n var keyShift = false;\n\n // var key = {\n // sequence: null,\n // name: undefined,\n // ctrl: false,\n // meta: false,\n // shift: false,\n // };\n\n if (ch === kEscape) {\n escaped = true;\n s += ch = yield;\n\n if (ch === kEscape) {\n s += ch = yield;\n }\n }\n\n if (escaped && (ch === \"O\" || ch === \"[\")) {\n // ANSI escape sequence\n var code = ch;\n var modifier = 0;\n\n if (ch === \"O\") {\n // ESC O letter\n // ESC O modifier letter\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n modifier = (ch >> 0) - 1;\n s += ch = yield;\n }\n\n code += ch;\n } else if (ch === \"[\") {\n // ESC [ letter\n // ESC [ modifier letter\n // ESC [ [ modifier letter\n // ESC [ [ num char\n s += ch = yield;\n\n if (ch === \"[\") {\n // \\x1b[[A\n // ^--- escape codes might have a second bracket\n code += ch;\n s += ch = yield;\n }\n\n /*\n * Here and later we try to buffer just enough data to get\n * a complete ascii sequence.\n *\n * We have basically two classes of ascii characters to process:\n *\n *\n * 1. `\\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 }\n *\n * This particular example is featuring Ctrl+F12 in xterm.\n *\n * - `;5` part is optional, e.g. it could be `\\x1b[24~`\n * - first part can contain one or two digits\n *\n * So the generic regexp is like /^\\d\\d?(;\\d)?[~^$]$/\n *\n *\n * 2. `\\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 }\n *\n * This particular example is featuring Ctrl+Home in xterm.\n *\n * - `1;5` part is optional, e.g. it could be `\\x1b[H`\n * - `1;` part is optional, e.g. it could be `\\x1b[5H`\n *\n * So the generic regexp is like /^((\\d;)?\\d)?[A-Za-z]$/\n *\n */\n var cmdStart = s.length - 1;\n\n // Skip one or two leading digits\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n }\n }\n\n // skip modifier\n if (ch === \";\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += yield;\n }\n }\n\n /*\n * We buffered enough data, now trying to extract code\n * and modifier from it\n */\n var cmd = StringPrototypeSlice.call(s, cmdStart);\n var match;\n\n if ((match = RegExpPrototypeExec.call(/^(\\d\\d?)(;(\\d))?([~^$])$/, cmd))) {\n code += match[1] + match[4];\n modifier = (match[3] || 1) - 1;\n } else if ((match = RegExpPrototypeExec.call(/^((\\d;)?(\\d))?([A-Za-z])$/, cmd))) {\n code += match[4];\n modifier = (match[3] || 1) - 1;\n } else {\n code += cmd;\n }\n }\n\n // Parse the key modifier\n keyCtrl = !!(modifier & 4);\n keyMeta = !!(modifier & 10);\n keyShift = !!(modifier & 1);\n keyCode = code;\n\n // Parse the key itself\n switch (code) {\n /* xterm/gnome ESC [ letter (with modifier) */\n case \"[P\":\n keyName = \"f1\";\n break;\n case \"[Q\":\n keyName = \"f2\";\n break;\n case \"[R\":\n keyName = \"f3\";\n break;\n case \"[S\":\n keyName = \"f4\";\n break;\n\n /* xterm/gnome ESC O letter (without modifier) */\n case \"OP\":\n keyName = \"f1\";\n break;\n case \"OQ\":\n keyName = \"f2\";\n break;\n case \"OR\":\n keyName = \"f3\";\n break;\n case \"OS\":\n keyName = \"f4\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[11~\":\n keyName = \"f1\";\n break;\n case \"[12~\":\n keyName = \"f2\";\n break;\n case \"[13~\":\n keyName = \"f3\";\n break;\n case \"[14~\":\n keyName = \"f4\";\n break;\n\n /* from Cygwin and used in libuv */\n case \"[[A\":\n keyName = \"f1\";\n break;\n case \"[[B\":\n keyName = \"f2\";\n break;\n case \"[[C\":\n keyName = \"f3\";\n break;\n case \"[[D\":\n keyName = \"f4\";\n break;\n case \"[[E\":\n keyName = \"f5\";\n break;\n\n /* common */\n case \"[15~\":\n keyName = \"f5\";\n break;\n case \"[17~\":\n keyName = \"f6\";\n break;\n case \"[18~\":\n keyName = \"f7\";\n break;\n case \"[19~\":\n keyName = \"f8\";\n break;\n case \"[20~\":\n keyName = \"f9\";\n break;\n case \"[21~\":\n keyName = \"f10\";\n break;\n case \"[23~\":\n keyName = \"f11\";\n break;\n case \"[24~\":\n keyName = \"f12\";\n break;\n\n /* xterm ESC [ letter */\n case \"[A\":\n keyName = \"up\";\n break;\n case \"[B\":\n keyName = \"down\";\n break;\n case \"[C\":\n keyName = \"right\";\n break;\n case \"[D\":\n keyName = \"left\";\n break;\n case \"[E\":\n keyName = \"clear\";\n break;\n case \"[F\":\n keyName = \"end\";\n break;\n case \"[H\":\n keyName = \"home\";\n break;\n\n /* xterm/gnome ESC O letter */\n case \"OA\":\n keyName = \"up\";\n break;\n case \"OB\":\n keyName = \"down\";\n break;\n case \"OC\":\n keyName = \"right\";\n break;\n case \"OD\":\n keyName = \"left\";\n break;\n case \"OE\":\n keyName = \"clear\";\n break;\n case \"OF\":\n keyName = \"end\";\n break;\n case \"OH\":\n keyName = \"home\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[1~\":\n keyName = \"home\";\n break;\n case \"[2~\":\n keyName = \"insert\";\n break;\n case \"[3~\":\n keyName = \"delete\";\n break;\n case \"[4~\":\n keyName = \"end\";\n break;\n case \"[5~\":\n keyName = \"pageup\";\n break;\n case \"[6~\":\n keyName = \"pagedown\";\n break;\n\n /* putty */\n case \"[[5~\":\n keyName = \"pageup\";\n break;\n case \"[[6~\":\n keyName = \"pagedown\";\n break;\n\n /* rxvt */\n case \"[7~\":\n keyName = \"home\";\n break;\n case \"[8~\":\n keyName = \"end\";\n break;\n\n /* rxvt keys with modifiers */\n case \"[a\":\n keyName = \"up\";\n keyShift = true;\n break;\n case \"[b\":\n keyName = \"down\";\n keyShift = true;\n break;\n case \"[c\":\n keyName = \"right\";\n keyShift = true;\n break;\n case \"[d\":\n keyName = \"left\";\n keyShift = true;\n break;\n case \"[e\":\n keyName = \"clear\";\n keyShift = true;\n break;\n\n case \"[2$\":\n keyName = \"insert\";\n keyShift = true;\n break;\n case \"[3$\":\n keyName = \"delete\";\n keyShift = true;\n break;\n case \"[5$\":\n keyName = \"pageup\";\n keyShift = true;\n break;\n case \"[6$\":\n keyName = \"pagedown\";\n keyShift = true;\n break;\n case \"[7$\":\n keyName = \"home\";\n keyShift = true;\n break;\n case \"[8$\":\n keyName = \"end\";\n keyShift = true;\n break;\n\n case \"Oa\":\n keyName = \"up\";\n keyCtrl = true;\n break;\n case \"Ob\":\n keyName = \"down\";\n keyCtrl = true;\n break;\n case \"Oc\":\n keyName = \"right\";\n keyCtrl = true;\n break;\n case \"Od\":\n keyName = \"left\";\n keyCtrl = true;\n break;\n case \"Oe\":\n keyName = \"clear\";\n keyCtrl = true;\n break;\n\n case \"[2^\":\n keyName = \"insert\";\n keyCtrl = true;\n break;\n case \"[3^\":\n keyName = \"delete\";\n keyCtrl = true;\n break;\n case \"[5^\":\n keyName = \"pageup\";\n keyCtrl = true;\n break;\n case \"[6^\":\n keyName = \"pagedown\";\n keyCtrl = true;\n break;\n case \"[7^\":\n keyName = \"home\";\n keyCtrl = true;\n break;\n case \"[8^\":\n keyName = \"end\";\n keyCtrl = true;\n break;\n\n /* misc. */\n case \"[Z\":\n keyName = \"tab\";\n keyShift = true;\n break;\n default:\n keyName = \"undefined\";\n break;\n }\n } else if (ch === \"\\r\") {\n // carriage return\n keyName = \"return\";\n keyMeta = escaped;\n } else if (ch === \"\\n\") {\n // Enter, should have been called linefeed\n keyName = \"enter\";\n keyMeta = escaped;\n } else if (ch === \"\\t\") {\n // tab\n keyName = \"tab\";\n keyMeta = escaped;\n } else if (ch === \"\\b\" || ch === \"\\x7f\") {\n // backspace or ctrl+h\n keyName = \"backspace\";\n keyMeta = escaped;\n } else if (ch === kEscape) {\n // escape key\n keyName = \"escape\";\n keyMeta = escaped;\n } else if (ch === \" \") {\n keyName = \"space\";\n keyMeta = escaped;\n } else if (!escaped && ch <= \"\\x1a\") {\n // ctrl+letter\n keyName = StringFromCharCode(StringPrototypeCharCodeAt.call(ch) + StringPrototypeCharCodeAt.call(\"a\") - 1);\n keyCtrl = true;\n } else if (RegExpPrototypeExec.call(/^[0-9A-Za-z]$/, ch) !== null) {\n // Letter, number, shift+letter\n keyName = StringPrototypeToLowerCase.call(ch);\n keyShift = RegExpPrototypeExec.call(/^[A-Z]$/, ch) !== null;\n keyMeta = escaped;\n } else if (escaped) {\n // Escape sequence timeout\n keyName = ch.length ? undefined : \"escape\";\n keyMeta = true;\n }\n\n keySeq = s;\n\n if (s.length !== 0 && (keyName !== undefined || escaped)) {\n /* Named character or sequence */\n stream.emit(\"keypress\", escaped ? undefined : s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n } else if (charLengthAt(s, 0) === s.length) {\n /* Single unnamed character, e.g. \".\" */\n stream.emit(\"keypress\", s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n }\n /* Unrecognized or broken escape sequence, don't emit anything */\n }\n}\n\n// This runs in O(n log n).\nfunction commonPrefix(strings) {\n if (strings.length === 0) {\n return \"\";\n }\n if (strings.length === 1) {\n return strings[0];\n }\n var sorted = ArrayPrototypeSort.call(ArrayPrototypeSlice.call(strings));\n var min = sorted[0];\n var max = sorted[sorted.length - 1];\n for (var i = 0; i < min.length; i++) {\n if (min[i] !== max[i]) {\n return StringPrototypeSlice.call(min, 0, i);\n }\n }\n return min;\n}\n\n// ----------------------------------------------------------------------------\n// Section: Cursor Functions\n// ----------------------------------------------------------------------------\n\n/**\n * moves the cursor to the x and y coordinate on the given stream\n */\n\nfunction cursorTo(stream, x, y, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (typeof y === \"function\") {\n callback = y;\n y = undefined;\n }\n\n if (NumberIsNaN(x)) throw new ERR_INVALID_ARG_VALUE(\"x\", x);\n if (NumberIsNaN(y)) throw new ERR_INVALID_ARG_VALUE(\"y\", y);\n\n if (stream == null || (typeof x !== \"number\" && typeof y !== \"number\")) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n if (typeof x !== \"number\") throw new ERR_INVALID_CURSOR_POS();\n\n var data = typeof y !== \"number\" ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n return stream.write(data, callback);\n}\n\n/**\n * moves the cursor relative to its current location\n */\n\nfunction moveCursor(stream, dx, dy, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream == null || !(dx || dy)) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n\n return stream.write(data, callback);\n}\n\n/**\n * clears the current line the cursor is on:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n */\n\nfunction clearLine(stream, dir, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var type = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n return stream.write(type, callback);\n}\n\n/**\n * clears the screen from the current position of the cursor down\n */\n\nfunction clearScreenDown(stream, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n return stream.write(kClearScreenDown, callback);\n}\n\n// ----------------------------------------------------------------------------\n// Section: Emit keypress events\n// ----------------------------------------------------------------------------\n\nvar KEYPRESS_DECODER = Symbol(\"keypress-decoder\");\nvar ESCAPE_DECODER = Symbol(\"escape-decoder\");\n\n// GNU readline library - keyseq-timeout is 500ms (default)\nvar ESCAPE_CODE_TIMEOUT = 500;\n\n/**\n * accepts a readable Stream instance and makes it emit \"keypress\" events\n */\n\nfunction emitKeypressEvents(stream, iface = {}) {\n if (stream[KEYPRESS_DECODER]) return;\n\n stream[KEYPRESS_DECODER] = new StringDecoder(\"utf8\");\n\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n\n var triggerEscape = () => stream[ESCAPE_DECODER].next(\"\");\n var { escapeCodeTimeout = ESCAPE_CODE_TIMEOUT } = iface;\n var timeoutId;\n\n function onData(input) {\n if (stream.listenerCount(\"keypress\") > 0) {\n var string = stream[KEYPRESS_DECODER].write(input);\n if (string) {\n clearTimeout(timeoutId);\n\n // This supports characters of length 2.\n iface[kSawKeyPress] = charLengthAt(string, 0) === string.length;\n iface.isCompletionEnabled = false;\n\n var length = 0;\n for (var character of new SafeStringIterator(string)) {\n length += character.length;\n if (length === string.length) {\n iface.isCompletionEnabled = true;\n }\n\n try {\n stream[ESCAPE_DECODER].next(character);\n // Escape letter at the tail position\n if (length === string.length && character === kEscape) {\n timeoutId = setTimeout(triggerEscape, escapeCodeTimeout);\n }\n } catch (err) {\n // If the generator throws (it could happen in the `keypress`\n // event), we need to restart it.\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n throw err;\n }\n }\n }\n } else {\n // Nobody's watching anyway\n stream.removeListener(\"data\", onData);\n stream.on(\"newListener\", onNewListener);\n }\n }\n\n function onNewListener(event) {\n if (event === \"keypress\") {\n stream.on(\"data\", onData);\n stream.removeListener(\"newListener\", onNewListener);\n }\n }\n\n if (stream.listenerCount(\"keypress\") > 0) {\n stream.on(\"data\", onData);\n } else {\n stream.on(\"newListener\", onNewListener);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Interface\n// ----------------------------------------------------------------------------\n\nvar kEmptyObject = ObjectFreeze(ObjectCreate(null));\n\n// Some constants regarding configuration of interface\nvar kHistorySize = 30;\nvar kMaxUndoRedoStackSize = 2048;\nvar kMincrlfDelay = 100;\n// \\r\\n, \\n, or \\r followed by something other than \\n\nvar lineEnding = /\\r?\\n|\\r(?!\\n)/g;\n\n// Max length of the kill ring\nvar kMaxLengthOfKillRing = 32;\n\n// Symbols\n\n// Public symbols\nvar kLineObjectStream = Symbol(\"line object stream\");\nvar kQuestionCancel = Symbol(\"kQuestionCancel\");\nvar kQuestion = Symbol(\"kQuestion\");\n\n// Private symbols\nvar kAddHistory = Symbol(\"_addHistory\");\nvar kBeforeEdit = Symbol(\"_beforeEdit\");\nvar kDecoder = Symbol(\"_decoder\");\nvar kDeleteLeft = Symbol(\"_deleteLeft\");\nvar kDeleteLineLeft = Symbol(\"_deleteLineLeft\");\nvar kDeleteLineRight = Symbol(\"_deleteLineRight\");\nvar kDeleteRight = Symbol(\"_deleteRight\");\nvar kDeleteWordLeft = Symbol(\"_deleteWordLeft\");\nvar kDeleteWordRight = Symbol(\"_deleteWordRight\");\nvar kGetDisplayPos = Symbol(\"_getDisplayPos\");\nvar kHistoryNext = Symbol(\"_historyNext\");\nvar kHistoryPrev = Symbol(\"_historyPrev\");\nvar kInsertString = Symbol(\"_insertString\");\nvar kLine = Symbol(\"_line\");\nvar kLine_buffer = Symbol(\"_line_buffer\");\nvar kKillRing = Symbol(\"_killRing\");\nvar kKillRingCursor = Symbol(\"_killRingCursor\");\nvar kMoveCursor = Symbol(\"_moveCursor\");\nvar kNormalWrite = Symbol(\"_normalWrite\");\nvar kOldPrompt = Symbol(\"_oldPrompt\");\nvar kOnLine = Symbol(\"_onLine\");\nvar kPreviousKey = Symbol(\"_previousKey\");\nvar kPrompt = Symbol(\"_prompt\");\nvar kPushToKillRing = Symbol(\"_pushToKillRing\");\nvar kPushToUndoStack = Symbol(\"_pushToUndoStack\");\nvar kQuestionCallback = Symbol(\"_questionCallback\");\nvar kRedo = Symbol(\"_redo\");\nvar kRedoStack = Symbol(\"_redoStack\");\nvar kRefreshLine = Symbol(\"_refreshLine\");\nvar kSawKeyPress = Symbol(\"_sawKeyPress\");\nvar kSawReturnAt = Symbol(\"_sawReturnAt\");\nvar kSetRawMode = Symbol(\"_setRawMode\");\nvar kTabComplete = Symbol(\"_tabComplete\");\nvar kTabCompleter = Symbol(\"_tabCompleter\");\nvar kTtyWrite = Symbol(\"_ttyWrite\");\nvar kUndo = Symbol(\"_undo\");\nvar kUndoStack = Symbol(\"_undoStack\");\nvar kWordLeft = Symbol(\"_wordLeft\");\nvar kWordRight = Symbol(\"_wordRight\");\nvar kWriteToOutput = Symbol(\"_writeToOutput\");\nvar kYank = Symbol(\"_yank\");\nvar kYanking = Symbol(\"_yanking\");\nvar kYankPop = Symbol(\"_yankPop\");\n\n// Event symbols\nvar kFirstEventParam = Symbol(\"nodejs.kFirstEventParam\");\n\n// class InterfaceConstructor extends EventEmitter {\n// #onSelfCloseWithTerminal;\n// #onSelfCloseWithoutTerminal;\n\n// #onError;\n// #onData;\n// #onEnd;\n// #onTermEnd;\n// #onKeyPress;\n// #onResize;\n\n// [kSawReturnAt];\n// isCompletionEnabled = true;\n// [kSawKeyPress];\n// [kPreviousKey];\n// escapeCodeTimeout;\n// tabSize;\n\n// line;\n// [kSubstringSearch];\n// output;\n// input;\n// [kUndoStack];\n// [kRedoStack];\n// history;\n// historySize;\n\n// [kKillRing];\n// [kKillRingCursor];\n\n// removeHistoryDuplicates;\n// crlfDelay;\n// completer;\n\n// terminal;\n// [kLineObjectStream];\n\n// cursor;\n// historyIndex;\n\n// constructor(input, output, completer, terminal) {\n// super();\n\nvar kOnSelfCloseWithTerminal = Symbol(\"_onSelfCloseWithTerminal\");\nvar kOnSelfCloseWithoutTerminal = Symbol(\"_onSelfCloseWithoutTerminal\");\nvar kOnKeyPress = Symbol(\"_onKeyPress\");\nvar kOnError = Symbol(\"_onError\");\nvar kOnData = Symbol(\"_onData\");\nvar kOnEnd = Symbol(\"_onEnd\");\nvar kOnTermEnd = Symbol(\"_onTermEnd\");\nvar kOnResize = Symbol(\"_onResize\");\n\nfunction onSelfCloseWithTerminal() {\n var input = this.input;\n var output = this.output;\n\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"keypress\", this[kOnKeyPress]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnTermEnd]);\n if (output !== null && output !== undefined) {\n output.removeListener(\"resize\", this[kOnResize]);\n }\n}\n\nfunction onSelfCloseWithoutTerminal() {\n var input = this.input;\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"data\", this[kOnData]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnEnd]);\n}\n\nfunction onError(err) {\n this.emit(\"error\", err);\n}\n\nfunction onData(data) {\n debug(\"onData\");\n this[kNormalWrite](data);\n}\n\nfunction onEnd() {\n debug(\"onEnd\");\n if (typeof this[kLine_buffer] === \"string\" && this[kLine_buffer].length > 0) {\n this.emit(\"line\", this[kLine_buffer]);\n }\n this.close();\n}\n\nfunction onTermEnd() {\n debug(\"onTermEnd\");\n if (typeof this.line === \"string\" && this.line.length > 0) {\n this.emit(\"line\", this.line);\n }\n this.close();\n}\n\nfunction onKeyPress(s, key) {\n this[kTtyWrite](s, key);\n if (key && key.sequence) {\n // If the keySeq is half of a surrogate pair\n // (>= 0xd800 and <= 0xdfff), refresh the line so\n // the character is displayed appropriately.\n var ch = StringPrototypeCodePointAt.call(key.sequence, 0);\n if (ch >= 0xd800 && ch <= 0xdfff) this[kRefreshLine]();\n }\n}\n\nfunction onResize() {\n this[kRefreshLine]();\n}\n\nfunction InterfaceConstructor(input, output, completer, terminal) {\n if (!(this instanceof InterfaceConstructor)) {\n return new InterfaceConstructor(input, output, completer, terminal);\n }\n\n EventEmitter.call(this);\n\n this[kOnSelfCloseWithoutTerminal] = onSelfCloseWithoutTerminal.bind(this);\n this[kOnSelfCloseWithTerminal] = onSelfCloseWithTerminal.bind(this);\n\n this[kOnError] = onError.bind(this);\n this[kOnData] = onData.bind(this);\n this[kOnEnd] = onEnd.bind(this);\n this[kOnTermEnd] = onTermEnd.bind(this);\n this[kOnKeyPress] = onKeyPress.bind(this);\n this[kOnResize] = onResize.bind(this);\n\n this[kSawReturnAt] = 0;\n this.isCompletionEnabled = true;\n this[kSawKeyPress] = false;\n this[kPreviousKey] = null;\n this.escapeCodeTimeout = ESCAPE_CODE_TIMEOUT;\n this.tabSize = 8;\n\n var history;\n var historySize;\n var removeHistoryDuplicates = false;\n var crlfDelay;\n var prompt = \"> \";\n var signal;\n\n if (input?.input) {\n // An options object was given\n output = input.output;\n completer = input.completer;\n terminal = input.terminal;\n history = input.history;\n historySize = input.historySize;\n signal = input.signal;\n\n var tabSize = input.tabSize;\n if (tabSize !== undefined) {\n validateUint32(tabSize, \"tabSize\", true);\n this.tabSize = tabSize;\n }\n removeHistoryDuplicates = input.removeHistoryDuplicates;\n\n var inputPrompt = input.prompt;\n if (inputPrompt !== undefined) {\n prompt = inputPrompt;\n }\n\n var inputEscapeCodeTimeout = input.escapeCodeTimeout;\n if (inputEscapeCodeTimeout !== undefined) {\n if (NumberIsFinite(inputEscapeCodeTimeout)) {\n this.escapeCodeTimeout = inputEscapeCodeTimeout;\n } else {\n throw new ERR_INVALID_ARG_VALUE(\"input.escapeCodeTimeout\", this.escapeCodeTimeout);\n }\n }\n\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n }\n\n crlfDelay = input.crlfDelay;\n input = input.input;\n }\n\n if (completer !== undefined && typeof completer !== \"function\") {\n throw new ERR_INVALID_ARG_VALUE(\"completer\", completer);\n }\n\n if (history === undefined) {\n history = [];\n } else {\n validateArray(history, \"history\");\n }\n\n if (historySize === undefined) {\n historySize = kHistorySize;\n }\n\n if (typeof historySize !== \"number\" || NumberIsNaN(historySize) || historySize < 0) {\n throw new ERR_INVALID_ARG_VALUE(\"historySize\", historySize);\n }\n\n // Backwards compat; check the isTTY prop of the output stream\n // when `terminal` was not specified\n if (terminal === undefined && !(output === null || output === undefined)) {\n terminal = !!output.isTTY;\n }\n\n this.line = \"\";\n this[kSubstringSearch] = null;\n this.output = output;\n this.input = input;\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.history = history;\n this.historySize = historySize;\n\n // The kill ring is a global list of blocks of text that were previously\n // killed (deleted). If its size exceeds kMaxLengthOfKillRing, the oldest\n // element will be removed to make room for the latest deletion. With kill\n // ring, users are able to recall (yank) or cycle (yank pop) among previously\n // killed texts, quite similar to the behavior of Emacs.\n this[kKillRing] = [];\n this[kKillRingCursor] = 0;\n\n this.removeHistoryDuplicates = !!removeHistoryDuplicates;\n this.crlfDelay = crlfDelay ? MathMax(kMincrlfDelay, crlfDelay) : kMincrlfDelay;\n this.completer = completer;\n\n this.setPrompt(prompt);\n\n this.terminal = !!terminal;\n\n this[kLineObjectStream] = undefined;\n\n input.on(\"error\", this[kOnError]);\n\n if (!this.terminal) {\n input.on(\"data\", this[kOnData]);\n input.on(\"end\", this[kOnEnd]);\n this.once(\"close\", this[kOnSelfCloseWithoutTerminal]);\n this[kDecoder] = new StringDecoder(\"utf8\");\n } else {\n emitKeypressEvents(input, this);\n\n // `input` usually refers to stdin\n input.on(\"keypress\", this[kOnKeyPress]);\n input.on(\"end\", this[kOnTermEnd]);\n\n this[kSetRawMode](true);\n this.terminal = true;\n\n // Cursor position on the line.\n this.cursor = 0;\n this.historyIndex = -1;\n\n if (output !== null && output !== undefined) output.on(\"resize\", this[kOnResize]);\n\n this.once(\"close\", this[kOnSelfCloseWithTerminal]);\n }\n\n if (signal) {\n var onAborted = (() => this.close()).bind(this);\n if (signal.aborted) {\n process.nextTick(onAborted);\n } else {\n signal.addEventListener(\"abort\", onAborted, { once: true });\n this.once(\"close\", () => signal.removeEventListener(\"abort\", onAborted));\n }\n }\n\n // Current line\n this.line = \"\";\n\n input.resume();\n}\n\nObjectSetPrototypeOf(InterfaceConstructor.prototype, EventEmitter.prototype);\nObjectSetPrototypeOf(InterfaceConstructor, EventEmitter);\n\nvar _Interface = class Interface extends InterfaceConstructor {\n // TODO: Enumerate all the properties of the class\n\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n get columns() {\n var output = this.output;\n if (output && output.columns) return output.columns;\n return Infinity;\n }\n\n /**\n * Sets the prompt written to the output.\n * @param {string} prompt\n * @returns {void}\n */\n setPrompt(prompt) {\n this[kPrompt] = prompt;\n }\n\n /**\n * Returns the current prompt used by `rl.prompt()`.\n * @returns {string}\n */\n getPrompt() {\n return this[kPrompt];\n }\n\n [kSetRawMode](mode) {\n var input = this.input;\n var { setRawMode, wasInRawMode } = input;\n\n // TODO: Make this work, for now just stub this and print debug\n debug(\"setRawMode\", mode, \"set!\");\n // if (typeof setRawMode === \"function\") {\n // setRawMode(mode);\n // }\n\n return wasInRawMode;\n }\n\n /**\n * Writes the configured `prompt` to a new line in `output`.\n * @param {boolean} [preserveCursor]\n * @returns {void}\n */\n prompt(preserveCursor) {\n if (this.paused) this.resume();\n if (this.terminal && process.env.TERM !== \"dumb\") {\n if (!preserveCursor) this.cursor = 0;\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](this[kPrompt]);\n }\n }\n\n [kQuestion](query, cb) {\n if (this.closed) {\n throw new ERR_USE_AFTER_CLOSE(\"readline\");\n }\n if (this[kQuestionCallback]) {\n this.prompt();\n } else {\n this[kOldPrompt] = this[kPrompt];\n this.setPrompt(query);\n this[kQuestionCallback] = cb;\n this.prompt();\n }\n }\n\n [kOnLine](line) {\n if (this[kQuestionCallback]) {\n var cb = this[kQuestionCallback];\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n cb(line);\n } else {\n this.emit(\"line\", line);\n }\n }\n\n [kBeforeEdit](oldText, oldCursor) {\n this[kPushToUndoStack](oldText, oldCursor);\n }\n\n [kQuestionCancel]() {\n if (this[kQuestionCallback]) {\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n this.clearLine();\n }\n }\n\n [kWriteToOutput](stringToWrite) {\n validateString(stringToWrite, \"stringToWrite\");\n\n if (this.output !== null && this.output !== undefined) {\n this.output.write(stringToWrite);\n }\n }\n\n [kAddHistory]() {\n if (this.line.length === 0) return \"\";\n\n // If the history is disabled then return the line\n if (this.historySize === 0) return this.line;\n\n // If the trimmed line is empty then return the line\n if (StringPrototypeTrim.call(this.line).length === 0) return this.line;\n\n if (this.history.length === 0 || this.history[0] !== this.line) {\n if (this.removeHistoryDuplicates) {\n // Remove older history line if identical to new one\n var dupIndex = ArrayPrototypeIndexOf.call(this.history, this.line);\n if (dupIndex !== -1) ArrayPrototypeSplice.call(this.history, dupIndex, 1);\n }\n\n ArrayPrototypeUnshift.call(this.history, this.line);\n\n // Only store so many\n if (this.history.length > this.historySize) ArrayPrototypePop.call(this.history);\n }\n\n this.historyIndex = -1;\n\n // The listener could change the history object, possibly\n // to remove the last added entry if it is sensitive and should\n // not be persisted in the history, like a password\n var line = this.history[0];\n\n // Emit history event to notify listeners of update\n this.emit(\"history\", this.history);\n\n return line;\n }\n\n [kRefreshLine]() {\n // line length\n var line = this[kPrompt] + this.line;\n var dispPos = this[kGetDisplayPos](line);\n var lineCols = dispPos.cols;\n var lineRows = dispPos.rows;\n\n // cursor position\n var cursorPos = this.getCursorPos();\n\n // First move to the bottom of the current line, based on cursor pos\n var prevRows = this.prevRows || 0;\n if (prevRows > 0) {\n moveCursor(this.output, 0, -prevRows);\n }\n\n // Cursor to left edge.\n cursorTo(this.output, 0);\n // erase data\n clearScreenDown(this.output);\n\n // Write the prompt and the current buffer content.\n this[kWriteToOutput](line);\n\n // Force terminal to allocate a new line\n if (lineCols === 0) {\n this[kWriteToOutput](\" \");\n }\n\n // Move cursor to original position.\n cursorTo(this.output, cursorPos.cols);\n\n var diff = lineRows - cursorPos.rows;\n if (diff > 0) {\n moveCursor(this.output, 0, -diff);\n }\n\n this.prevRows = cursorPos.rows;\n }\n\n /**\n * Closes the `readline.Interface` instance.\n * @returns {void}\n */\n close() {\n if (this.closed) return;\n this.pause();\n if (this.terminal) {\n this[kSetRawMode](false);\n }\n this.closed = true;\n this.emit(\"close\");\n }\n\n /**\n * Pauses the `input` stream.\n * @returns {void | Interface}\n */\n pause() {\n if (this.paused) return;\n this.input.pause();\n this.paused = true;\n this.emit(\"pause\");\n return this;\n }\n\n /**\n * Resumes the `input` stream if paused.\n * @returns {void | Interface}\n */\n resume() {\n if (!this.paused) return;\n this.input.resume();\n this.paused = false;\n this.emit(\"resume\");\n return this;\n }\n\n /**\n * Writes either `data` or a `key` sequence identified by\n * `key` to the `output`.\n * @param {string} d\n * @param {{\n * ctrl?: boolean;\n * meta?: boolean;\n * shift?: boolean;\n * name?: string;\n * }} [key]\n * @returns {void}\n */\n write(d, key) {\n if (this.paused) this.resume();\n if (this.terminal) {\n this[kTtyWrite](d, key);\n } else {\n this[kNormalWrite](d);\n }\n }\n\n [kNormalWrite](b) {\n if (b === undefined) {\n return;\n }\n var string = this[kDecoder].write(b);\n if (this[kSawReturnAt] && DateNow() - this[kSawReturnAt] <= this.crlfDelay) {\n if (StringPrototypeCodePointAt.call(string) === 10) string = StringPrototypeSlice.call(string, 1);\n this[kSawReturnAt] = 0;\n }\n\n // Run test() on the new string chunk, not on the entire line buffer.\n var newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n if (newPartContainsEnding !== null) {\n if (this[kLine_buffer]) {\n string = this[kLine_buffer] + string;\n this[kLine_buffer] = null;\n newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n }\n this[kSawReturnAt] = StringPrototypeEndsWith.call(string, \"\\r\") ? DateNow() : 0;\n\n var indexes = [0, newPartContainsEnding.index, lineEnding.lastIndex];\n var nextMatch;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, string)) !== null) {\n ArrayPrototypePush.call(indexes, nextMatch.index, lineEnding.lastIndex);\n }\n var lastIndex = indexes.length - 1;\n // Either '' or (conceivably) the unfinished portion of the next line\n this[kLine_buffer] = StringPrototypeSlice.call(string, indexes[lastIndex]);\n for (var i = 1; i < lastIndex; i += 2) {\n this[kOnLine](StringPrototypeSlice.call(string, indexes[i - 1], indexes[i]));\n }\n } else if (string) {\n // No newlines this time, save what we have for next time\n if (this[kLine_buffer]) {\n this[kLine_buffer] += string;\n } else {\n this[kLine_buffer] = string;\n }\n }\n }\n\n [kInsertString](c) {\n this[kBeforeEdit](this.line, this.cursor);\n if (this.cursor < this.line.length) {\n var beg = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var end = StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.line = beg + c + end;\n this.cursor += c.length;\n this[kRefreshLine]();\n } else {\n var oldPos = this.getCursorPos();\n this.line += c;\n this.cursor += c.length;\n var newPos = this.getCursorPos();\n\n if (oldPos.rows < newPos.rows) {\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](c);\n }\n }\n }\n\n async [kTabComplete](lastKeypressWasTab) {\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var value;\n try {\n value = await this.completer(string);\n } catch (err) {\n this[kWriteToOutput](`Tab completion error: ${inspect(err)}`);\n return;\n } finally {\n this.resume();\n }\n this[kTabCompleter](lastKeypressWasTab, value);\n }\n\n [kTabCompleter](lastKeypressWasTab, { 0: completions, 1: completeOn }) {\n // Result and the text that was completed.\n\n if (!completions || completions.length === 0) {\n return;\n }\n\n // If there is a common prefix to all matches, then apply that portion.\n var prefix = commonPrefix(ArrayPrototypeFilter.call(completions, e => e !== \"\"));\n if (StringPrototypeStartsWith.call(prefix, completeOn) && prefix.length > completeOn.length) {\n this[kInsertString](StringPrototypeSlice.call(prefix, completeOn.length));\n return;\n } else if (!StringPrototypeStartsWith.call(completeOn, prefix)) {\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - completeOn.length) +\n prefix +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = this.cursor - completeOn.length + prefix.length;\n this._refreshLine();\n return;\n }\n\n if (!lastKeypressWasTab) {\n return;\n }\n\n this[kBeforeEdit](this.line, this.cursor);\n\n // Apply/show completions.\n var completionsWidth = ArrayPrototypeMap.call(completions, e => getStringWidth(e));\n var width = MathMaxApply(completionsWidth) + 2; // 2 space padding\n var maxColumns = MathFloor(this.columns / width) || 1;\n if (maxColumns === Infinity) {\n maxColumns = 1;\n }\n var output = \"\\r\\n\";\n var lineIndex = 0;\n var whitespace = 0;\n for (var i = 0; i < completions.length; i++) {\n var completion = completions[i];\n if (completion === \"\" || lineIndex === maxColumns) {\n output += \"\\r\\n\";\n lineIndex = 0;\n whitespace = 0;\n } else {\n output += StringPrototypeRepeat.call(\" \", whitespace);\n }\n if (completion !== \"\") {\n output += completion;\n whitespace = width - completionsWidth[i];\n lineIndex++;\n } else {\n output += \"\\r\\n\";\n }\n }\n if (lineIndex !== 0) {\n output += \"\\r\\n\\r\\n\";\n }\n this[kWriteToOutput](output);\n this[kRefreshLine]();\n }\n\n [kWordLeft]() {\n if (this.cursor > 0) {\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n this[kMoveCursor](-match[0].length);\n }\n }\n\n [kWordRight]() {\n if (this.cursor < this.line.length) {\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|[^\\w\\s]+|\\w+)\\s*/, trailing);\n this[kMoveCursor](match[0].length);\n }\n }\n\n [kDeleteLeft]() {\n if (this.cursor > 0 && this.line.length > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthLeft(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - charSize) +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n\n this.cursor -= charSize;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthAt(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) +\n StringPrototypeSlice.call(this.line, this.cursor + charSize, this.line.length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordLeft]() {\n if (this.cursor > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n leading = StringPrototypeSlice.call(leading, 0, leading.length - match[0].length);\n this.line = leading + StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = leading.length;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|\\W+|\\w+)\\s*/, trailing);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) + StringPrototypeSlice.call(trailing, match[0].length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteLineLeft]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, this.cursor);\n this.cursor = 0;\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kDeleteLineRight]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kPushToKillRing](del) {\n if (!del || del === this[kKillRing][0]) return;\n ArrayPrototypeUnshift.call(this[kKillRing], del);\n this[kKillRingCursor] = 0;\n while (this[kKillRing].length > kMaxLengthOfKillRing) ArrayPrototypePop.call(this[kKillRing]);\n }\n\n [kYank]() {\n if (this[kKillRing].length > 0) {\n this[kYanking] = true;\n this[kInsertString](this[kKillRing][this[kKillRingCursor]]);\n }\n }\n\n [kYankPop]() {\n if (!this[kYanking]) {\n return;\n }\n if (this[kKillRing].length > 1) {\n var lastYank = this[kKillRing][this[kKillRingCursor]];\n this[kKillRingCursor]++;\n if (this[kKillRingCursor] >= this[kKillRing].length) {\n this[kKillRingCursor] = 0;\n }\n var currentYank = this[kKillRing][this[kKillRingCursor]];\n var head = StringPrototypeSlice.call(this.line, 0, this.cursor - lastYank.length);\n var tail = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = head + currentYank + tail;\n this.cursor = head.length + currentYank.length;\n this[kRefreshLine]();\n }\n }\n\n clearLine() {\n this[kMoveCursor](+Infinity);\n this[kWriteToOutput](\"\\r\\n\");\n this.line = \"\";\n this.cursor = 0;\n this.prevRows = 0;\n }\n\n [kLine]() {\n var line = this[kAddHistory]();\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.clearLine();\n this[kOnLine](line);\n }\n\n [kPushToUndoStack](text, cursor) {\n if (ArrayPrototypePush.call(this[kUndoStack], { text, cursor }) > kMaxUndoRedoStackSize) {\n ArrayPrototypeShift.call(this[kUndoStack]);\n }\n }\n\n [kUndo]() {\n if (this[kUndoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kRedoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kUndoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kRedo]() {\n if (this[kRedoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kUndoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kRedoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kHistoryNext]() {\n if (this.historyIndex >= 0) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex - 1;\n while (\n index >= 0 &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index--;\n }\n if (index === -1) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n [kHistoryPrev]() {\n if (this.historyIndex < this.history.length && this.history.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex + 1;\n while (\n index < this.history.length &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index++;\n }\n if (index === this.history.length) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n // Returns the last character's display position of the given string\n [kGetDisplayPos](str) {\n var offset = 0;\n var col = this.columns;\n var rows = 0;\n str = stripVTControlCharacters(str);\n for (var char of new SafeStringIterator(str)) {\n if (char === \"\\n\") {\n // Rows must be incremented by 1 even if offset = 0 or col = +Infinity.\n rows += MathCeil(offset / col) || 1;\n offset = 0;\n continue;\n }\n // Tabs must be aligned by an offset of the tab size.\n if (char === \"\\t\") {\n offset += this.tabSize - (offset % this.tabSize);\n continue;\n }\n var width = getStringWidth(char, false /* stripVTControlCharacters */);\n if (width === 0 || width === 1) {\n offset += width;\n } else {\n // width === 2\n if ((offset + 1) % col === 0) {\n offset++;\n }\n offset += 2;\n }\n }\n var cols = offset % col;\n rows += (offset - cols) / col;\n return { cols, rows };\n }\n\n /**\n * Returns the real position of the cursor in relation\n * to the input prompt + string.\n * @returns {{\n * rows: number;\n * cols: number;\n * }}\n */\n getCursorPos() {\n var strBeforeCursor = this[kPrompt] + StringPrototypeSlice.call(this.line, 0, this.cursor);\n return this[kGetDisplayPos](strBeforeCursor);\n }\n\n // This function moves cursor dx places to the right\n // (-dx for left) and refreshes the line if it is needed.\n [kMoveCursor](dx) {\n if (dx === 0) {\n return;\n }\n var oldPos = this.getCursorPos();\n this.cursor += dx;\n\n // Bounds check\n if (this.cursor < 0) {\n this.cursor = 0;\n } else if (this.cursor > this.line.length) {\n this.cursor = this.line.length;\n }\n\n var newPos = this.getCursorPos();\n\n // Check if cursor stayed on the line.\n if (oldPos.rows === newPos.rows) {\n var diffWidth = newPos.cols - oldPos.cols;\n moveCursor(this.output, diffWidth, 0);\n } else {\n this[kRefreshLine]();\n }\n }\n\n // Handle a write from the tty\n [kTtyWrite](s, key) {\n var previousKey = this[kPreviousKey];\n key = key || kEmptyObject;\n this[kPreviousKey] = key;\n var { name: keyName, meta: keyMeta, ctrl: keyCtrl, shift: keyShift, sequence: keySeq } = key;\n\n if (!keyMeta || keyName !== \"y\") {\n // Reset yanking state unless we are doing yank pop.\n this[kYanking] = false;\n }\n\n // Activate or deactivate substring search.\n if ((keyName === \"up\" || keyName === \"down\") && !keyCtrl && !keyMeta && !keyShift) {\n if (this[kSubstringSearch] === null) {\n this[kSubstringSearch] = StringPrototypeSlice.call(this.line, 0, this.cursor);\n }\n } else if (this[kSubstringSearch] !== null) {\n this[kSubstringSearch] = null;\n // Reset the index in case there's no match.\n if (this.history.length === this.historyIndex) {\n this.historyIndex = -1;\n }\n }\n\n // Undo & Redo\n if (typeof keySeq === \"string\") {\n switch (StringPrototypeCodePointAt.call(keySeq, 0)) {\n case 0x1f:\n this[kUndo]();\n return;\n case 0x1e:\n this[kRedo]();\n return;\n default:\n break;\n }\n }\n\n // Ignore escape key, fixes\n // https://github.com/nodejs/node-v0.x-archive/issues/2876.\n if (keyName === \"escape\") return;\n\n if (keyCtrl && keyShift) {\n /* Control and shift pressed */\n switch (keyName) {\n // TODO(BridgeAR): The transmitted escape sequence is `\\b` and that is\n // identical to <ctrl>-h. It should have a unique escape sequence.\n case \"backspace\":\n this[kDeleteLineLeft]();\n break;\n\n case \"delete\":\n this[kDeleteLineRight]();\n break;\n }\n } else if (keyCtrl) {\n /* Control key pressed */\n\n switch (keyName) {\n case \"c\":\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n break;\n\n case \"h\": // delete left\n this[kDeleteLeft]();\n break;\n\n case \"d\": // delete right or EOF\n if (this.cursor === 0 && this.line.length === 0) {\n // This readline instance is finished\n this.close();\n } else if (this.cursor < this.line.length) {\n this[kDeleteRight]();\n }\n break;\n\n case \"u\": // Delete from current to start of line\n this[kDeleteLineLeft]();\n break;\n\n case \"k\": // Delete from current to end of line\n this[kDeleteLineRight]();\n break;\n\n case \"a\": // Go to the start of the line\n this[kMoveCursor](-Infinity);\n break;\n\n case \"e\": // Go to the end of the line\n this[kMoveCursor](+Infinity);\n break;\n\n case \"b\": // back one character\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"f\": // Forward one character\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"l\": // Clear the whole screen\n cursorTo(this.output, 0, 0);\n clearScreenDown(this.output);\n this[kRefreshLine]();\n break;\n\n case \"n\": // next history item\n this[kHistoryNext]();\n break;\n\n case \"p\": // Previous history item\n this[kHistoryPrev]();\n break;\n\n case \"y\": // Yank killed string\n this[kYank]();\n break;\n\n case \"z\":\n if (process.platform === \"win32\") break;\n if (this.listenerCount(\"SIGTSTP\") > 0) {\n this.emit(\"SIGTSTP\");\n } else {\n process.once(\"SIGCONT\", () => {\n // Don't raise events if stream has already been abandoned.\n if (!this.paused) {\n // Stream must be paused and resumed after SIGCONT to catch\n // SIGINT, SIGTSTP, and EOF.\n this.pause();\n this.emit(\"SIGCONT\");\n }\n // Explicitly re-enable \"raw mode\" and move the cursor to\n // the correct position.\n // See https://github.com/joyent/node/issues/3295.\n this[kSetRawMode](true);\n this[kRefreshLine]();\n });\n this[kSetRawMode](false);\n process.kill(process.pid, \"SIGTSTP\");\n }\n break;\n\n case \"w\": // Delete backwards to a word boundary\n case \"backspace\":\n this[kDeleteWordLeft]();\n break;\n\n case \"delete\": // Delete forward to a word boundary\n this[kDeleteWordRight]();\n break;\n\n case \"left\":\n this[kWordLeft]();\n break;\n\n case \"right\":\n this[kWordRight]();\n break;\n }\n } else if (keyMeta) {\n /* Meta key pressed */\n\n switch (keyName) {\n case \"b\": // backward word\n this[kWordLeft]();\n break;\n\n case \"f\": // forward word\n this[kWordRight]();\n break;\n\n case \"d\": // delete forward word\n case \"delete\":\n this[kDeleteWordRight]();\n break;\n\n case \"backspace\": // Delete backwards to a word boundary\n this[kDeleteWordLeft]();\n break;\n\n case \"y\": // Doing yank pop\n this[kYankPop]();\n break;\n }\n } else {\n /* No modifier keys used */\n\n // \\r bookkeeping is only relevant if a \\n comes right after.\n if (this[kSawReturnAt] && keyName !== \"enter\") this[kSawReturnAt] = 0;\n\n switch (keyName) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this[kLine]();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this[kLine]();\n }\n this[kSawReturnAt] = 0;\n break;\n\n case \"backspace\":\n this[kDeleteLeft]();\n break;\n\n case \"delete\":\n this[kDeleteRight]();\n break;\n\n case \"left\":\n // Obtain the code point to the left\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"right\":\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"home\":\n this[kMoveCursor](-Infinity);\n break;\n\n case \"end\":\n this[kMoveCursor](+Infinity);\n break;\n\n case \"up\":\n this[kHistoryPrev]();\n break;\n\n case \"down\":\n this[kHistoryNext]();\n break;\n\n case \"tab\":\n // If tab completion enabled, do that...\n if (typeof this.completer === \"function\" && this.isCompletionEnabled) {\n var lastKeypressWasTab = previousKey && previousKey.name === \"tab\";\n this[kTabComplete](lastKeypressWasTab);\n break;\n }\n // falls through\n default:\n if (typeof s === \"string\" && s) {\n var nextMatch = RegExpPrototypeExec.call(lineEnding, s);\n if (nextMatch !== null) {\n this[kInsertString](StringPrototypeSlice.call(s, 0, nextMatch.index));\n var { lastIndex } = lineEnding;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, s)) !== null) {\n this[kLine]();\n this[kInsertString](StringPrototypeSlice.call(s, lastIndex, nextMatch.index));\n ({ lastIndex } = lineEnding);\n }\n if (lastIndex === s.length) this[kLine]();\n } else {\n this[kInsertString](s);\n }\n }\n }\n }\n }\n\n /**\n * Creates an `AsyncIterator` object that iterates through\n * each line in the input stream as a string.\n * @typedef {{\n * [Symbol.asyncIterator]: () => InterfaceAsyncIterator,\n * next: () => Promise<string>\n * }} InterfaceAsyncIterator\n * @returns {InterfaceAsyncIterator}\n */\n [SymbolAsyncIterator]() {\n if (this[kLineObjectStream] === undefined) {\n this[kLineObjectStream] = EventEmitter.on(this, \"line\", {\n close: [\"close\"],\n highWatermark: 1024,\n [kFirstEventParam]: true,\n });\n }\n return this[kLineObjectStream];\n }\n};\n\nfunction Interface(input, output, completer, terminal) {\n if (!(this instanceof Interface)) {\n return new Interface(input, output, completer, terminal);\n }\n\n if (input?.input && typeof input.completer === \"function\" && input.completer.length !== 2) {\n var { completer } = input;\n input.completer = (v, cb) => cb(null, completer(v));\n } else if (typeof completer === \"function\" && completer.length !== 2) {\n var realCompleter = completer;\n completer = (v, cb) => cb(null, realCompleter(v));\n }\n\n InterfaceConstructor.call(this, input, output, completer, terminal);\n\n // TODO: Test this\n if (process.env.TERM === \"dumb\") {\n this._ttyWrite = _ttyWriteDumb.bind(this);\n }\n}\n\nObjectSetPrototypeOf(Interface.prototype, _Interface.prototype);\nObjectSetPrototypeOf(Interface, _Interface);\n\n/**\n * Displays `query` by writing it to the `output`.\n * @param {string} query\n * @param {{ signal?: AbortSignal; }} [options]\n * @param {Function} cb\n * @returns {void}\n */\nInterface.prototype.question = function question(query, options, cb) {\n cb = typeof options === \"function\" ? options : cb;\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return;\n }\n\n var onAbort = () => {\n this[kQuestionCancel]();\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n var cleanup = () => {\n signal.removeEventListener(\"abort\", onAbort);\n };\n var originalCb = cb;\n cb =\n typeof cb === \"function\"\n ? answer => {\n cleanup();\n return originalCb(answer);\n }\n : cleanup;\n }\n\n if (typeof cb === \"function\") {\n this[kQuestion](query, cb);\n }\n};\n\nInterface.prototype.question[promisify.custom] = function question(query, options) {\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n\n if (signal && signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (signal) {\n var onAbort = () => {\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this.question(query, options, cb);\n });\n};\n\n/**\n * Creates a new `readline.Interface` instance.\n * @param {Readable | {\n * input: Readable;\n * output: Writable;\n * completer?: Function;\n * terminal?: boolean;\n * history?: string[];\n * historySize?: number;\n * removeHistoryDuplicates?: boolean;\n * prompt?: string;\n * crlfDelay?: number;\n * escapeCodeTimeout?: number;\n * tabSize?: number;\n * signal?: AbortSignal;\n * }} input\n * @param {Writable} [output]\n * @param {Function} [completer]\n * @param {boolean} [terminal]\n * @returns {Interface}\n */\nfunction createInterface(input, output, completer, terminal) {\n return new Interface(input, output, completer, terminal);\n}\n\nObjectDefineProperties(Interface.prototype, {\n // Redirect internal prototype methods to the underscore notation for backward\n // compatibility.\n [kSetRawMode]: {\n __proto__: null,\n get() {\n return this._setRawMode;\n },\n },\n [kOnLine]: {\n __proto__: null,\n get() {\n return this._onLine;\n },\n },\n [kWriteToOutput]: {\n __proto__: null,\n get() {\n return this._writeToOutput;\n },\n },\n [kAddHistory]: {\n __proto__: null,\n get() {\n return this._addHistory;\n },\n },\n [kRefreshLine]: {\n __proto__: null,\n get() {\n return this._refreshLine;\n },\n },\n [kNormalWrite]: {\n __proto__: null,\n get() {\n return this._normalWrite;\n },\n },\n [kInsertString]: {\n __proto__: null,\n get() {\n return this._insertString;\n },\n },\n [kTabComplete]: {\n __proto__: null,\n get() {\n return this._tabComplete;\n },\n },\n [kWordLeft]: {\n __proto__: null,\n get() {\n return this._wordLeft;\n },\n },\n [kWordRight]: {\n __proto__: null,\n get() {\n return this._wordRight;\n },\n },\n [kDeleteLeft]: {\n __proto__: null,\n get() {\n return this._deleteLeft;\n },\n },\n [kDeleteRight]: {\n __proto__: null,\n get() {\n return this._deleteRight;\n },\n },\n [kDeleteWordLeft]: {\n __proto__: null,\n get() {\n return this._deleteWordLeft;\n },\n },\n [kDeleteWordRight]: {\n __proto__: null,\n get() {\n return this._deleteWordRight;\n },\n },\n [kDeleteLineLeft]: {\n __proto__: null,\n get() {\n return this._deleteLineLeft;\n },\n },\n [kDeleteLineRight]: {\n __proto__: null,\n get() {\n return this._deleteLineRight;\n },\n },\n [kLine]: {\n __proto__: null,\n get() {\n return this._line;\n },\n },\n [kHistoryNext]: {\n __proto__: null,\n get() {\n return this._historyNext;\n },\n },\n [kHistoryPrev]: {\n __proto__: null,\n get() {\n return this._historyPrev;\n },\n },\n [kGetDisplayPos]: {\n __proto__: null,\n get() {\n return this._getDisplayPos;\n },\n },\n [kMoveCursor]: {\n __proto__: null,\n get() {\n return this._moveCursor;\n },\n },\n [kTtyWrite]: {\n __proto__: null,\n get() {\n return this._ttyWrite;\n },\n },\n\n // Defining proxies for the internal instance properties for backward\n // compatibility.\n _decoder: {\n __proto__: null,\n get() {\n return this[kDecoder];\n },\n set(value) {\n this[kDecoder] = value;\n },\n },\n _line_buffer: {\n __proto__: null,\n get() {\n return this[kLine_buffer];\n },\n set(value) {\n this[kLine_buffer] = value;\n },\n },\n _oldPrompt: {\n __proto__: null,\n get() {\n return this[kOldPrompt];\n },\n set(value) {\n this[kOldPrompt] = value;\n },\n },\n _previousKey: {\n __proto__: null,\n get() {\n return this[kPreviousKey];\n },\n set(value) {\n this[kPreviousKey] = value;\n },\n },\n _prompt: {\n __proto__: null,\n get() {\n return this[kPrompt];\n },\n set(value) {\n this[kPrompt] = value;\n },\n },\n _questionCallback: {\n __proto__: null,\n get() {\n return this[kQuestionCallback];\n },\n set(value) {\n this[kQuestionCallback] = value;\n },\n },\n _sawKeyPress: {\n __proto__: null,\n get() {\n return this[kSawKeyPress];\n },\n set(value) {\n this[kSawKeyPress] = value;\n },\n },\n _sawReturnAt: {\n __proto__: null,\n get() {\n return this[kSawReturnAt];\n },\n set(value) {\n this[kSawReturnAt] = value;\n },\n },\n});\n\n// Make internal methods public for backward compatibility.\nInterface.prototype._setRawMode = _Interface.prototype[kSetRawMode];\nInterface.prototype._onLine = _Interface.prototype[kOnLine];\nInterface.prototype._writeToOutput = _Interface.prototype[kWriteToOutput];\nInterface.prototype._addHistory = _Interface.prototype[kAddHistory];\nInterface.prototype._refreshLine = _Interface.prototype[kRefreshLine];\nInterface.prototype._normalWrite = _Interface.prototype[kNormalWrite];\nInterface.prototype._insertString = _Interface.prototype[kInsertString];\nInterface.prototype._tabComplete = function (lastKeypressWasTab) {\n // Overriding parent method because `this.completer` in the legacy\n // implementation takes a callback instead of being an async function.\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.completer(string, (err, value) => {\n this.resume();\n\n if (err) {\n this._writeToOutput(`Tab completion error: ${inspect(err)}`);\n return;\n }\n\n this[kTabCompleter](lastKeypressWasTab, value);\n });\n};\nInterface.prototype._wordLeft = _Interface.prototype[kWordLeft];\nInterface.prototype._wordRight = _Interface.prototype[kWordRight];\nInterface.prototype._deleteLeft = _Interface.prototype[kDeleteLeft];\nInterface.prototype._deleteRight = _Interface.prototype[kDeleteRight];\nInterface.prototype._deleteWordLeft = _Interface.prototype[kDeleteWordLeft];\nInterface.prototype._deleteWordRight = _Interface.prototype[kDeleteWordRight];\nInterface.prototype._deleteLineLeft = _Interface.prototype[kDeleteLineLeft];\nInterface.prototype._deleteLineRight = _Interface.prototype[kDeleteLineRight];\nInterface.prototype._line = _Interface.prototype[kLine];\nInterface.prototype._historyNext = _Interface.prototype[kHistoryNext];\nInterface.prototype._historyPrev = _Interface.prototype[kHistoryPrev];\nInterface.prototype._getDisplayPos = _Interface.prototype[kGetDisplayPos];\nInterface.prototype._getCursorPos = _Interface.prototype.getCursorPos;\nInterface.prototype._moveCursor = _Interface.prototype[kMoveCursor];\nInterface.prototype._ttyWrite = _Interface.prototype[kTtyWrite];\n\nfunction _ttyWriteDumb(s, key) {\n key = key || kEmptyObject;\n\n if (key.name === \"escape\") return;\n\n if (this[kSawReturnAt] && key.name !== \"enter\") this[kSawReturnAt] = 0;\n\n if (keyCtrl) {\n if (key.name === \"c\") {\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n\n return;\n } else if (key.name === \"d\") {\n this.close();\n return;\n }\n }\n\n switch (key.name) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this._line();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this._line();\n }\n this[kSawReturnAt] = 0;\n break;\n\n default:\n if (typeof s === \"string\" && s) {\n this.line += s;\n this.cursor += s.length;\n this._writeToOutput(s);\n }\n }\n}\n\nclass Readline {\n #autoCommit = false;\n #stream;\n #todo = [];\n\n constructor(stream, options = undefined) {\n isWritable ??= import.meta.require(\"node:stream\").isWritable;\n if (!isWritable(stream)) throw new ERR_INVALID_ARG_TYPE(\"stream\", \"Writable\", stream);\n this.#stream = stream;\n if (options?.autoCommit != null) {\n validateBoolean(options.autoCommit, \"options.autoCommit\");\n this.#autoCommit = options.autoCommit;\n }\n }\n\n /**\n * Moves the cursor to the x and y coordinate on the given stream.\n * @param {integer} x\n * @param {integer} [y]\n * @returns {Readline} this\n */\n cursorTo(x, y = undefined) {\n validateInteger(x, \"x\");\n if (y != null) validateInteger(y, \"y\");\n\n var data = y == null ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n\n return this;\n }\n\n /**\n * Moves the cursor relative to its current location.\n * @param {integer} dx\n * @param {integer} dy\n * @returns {Readline} this\n */\n moveCursor(dx, dy) {\n if (dx || dy) {\n validateInteger(dx, \"dx\");\n validateInteger(dy, \"dy\");\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n }\n return this;\n }\n\n /**\n * Clears the current line the cursor is on.\n * @param {-1|0|1} dir Direction to clear:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n * @returns {Readline} this\n */\n clearLine(dir) {\n validateInteger(dir, \"dir\", -1, 1);\n\n var data = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n return this;\n }\n\n /**\n * Clears the screen from the current position of the cursor down.\n * @returns {Readline} this\n */\n clearScreenDown() {\n if (this.#autoCommit) {\n process.nextTick(() => this.#stream.write(kClearScreenDown));\n } else {\n ArrayPrototypePush.call(this.#todo, kClearScreenDown);\n }\n return this;\n }\n\n /**\n * Sends all the pending actions to the associated `stream` and clears the\n * internal list of pending actions.\n * @returns {Promise<void>} Resolves when all pending actions have been\n * flushed to the associated `stream`.\n */\n commit() {\n return new Promise(resolve => {\n this.#stream.write(ArrayPrototypeJoin.call(this.#todo, \"\"), resolve);\n this.#todo = [];\n });\n }\n\n /**\n * Clears the internal list of pending actions without sending it to the\n * associated `stream`.\n * @returns {Readline} this\n */\n rollback() {\n this.#todo = [];\n return this;\n }\n}\n\nvar PromisesInterface = class Interface extends _Interface {\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n question(query, options = kEmptyObject) {\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n }\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (options?.signal) {\n var onAbort = () => {\n this[kQuestionCancel]();\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this[kQuestion](query, cb);\n });\n }\n};\n\n// ----------------------------------------------------------------------------\n// Exports\n// ----------------------------------------------------------------------------\nexport var Interface = Interface;\nexport var clearLine = clearLine;\nexport var clearScreenDown = clearScreenDown;\nexport var createInterface = createInterface;\nexport var cursorTo = cursorTo;\nexport var emitKeypressEvents = emitKeypressEvents;\nexport var moveCursor = moveCursor;\nexport var promises = {\n Readline,\n Interface: PromisesInterface,\n createInterface(input, output, completer, terminal) {\n return new PromisesInterface(input, output, completer, terminal);\n },\n};\n\nexport default {\n Interface,\n clearLine,\n clearScreenDown,\n createInterface,\n cursorTo,\n emitKeypressEvents,\n moveCursor,\n promises,\n\n [SymbolFor(\"__BUN_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED__\")]: {\n CSI,\n utils: {\n getStringWidth,\n stripVTControlCharacters,\n },\n },\n [SymbolFor(\"CommonJS\")]: 0,\n};\n", - "// Hardcoded module \"node:readline\"\n// Attribution: Some parts of of this module are derived from code originating from the Node.js\n// readline module which is licensed under an MIT license:\n//\n// Copyright Node.js contributors. All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n// IN THE SOFTWARE.\n\n// ----------------------------------------------------------------------------\n// Section: Imports\n// ----------------------------------------------------------------------------\nvar { Array, RegExp, String, Bun } = import.meta.primordials;\nvar EventEmitter = import.meta.require(\"node:events\");\nvar { clearTimeout, setTimeout } = import.meta.require(\"timers\");\nvar { StringDecoder } = import.meta.require(\"string_decoder\");\nvar isWritable;\n\nvar { inspect } = Bun;\nvar debug = process.env.BUN_JS_DEBUG ? console.log : () => {};\n\n// ----------------------------------------------------------------------------\n// Section: Preamble\n// ----------------------------------------------------------------------------\n\nvar SymbolAsyncIterator = Symbol.asyncIterator;\nvar SymbolIterator = Symbol.iterator;\nvar SymbolFor = Symbol.for;\nvar SymbolReplace = Symbol.replace;\nvar ArrayFrom = Array.from;\nvar ArrayIsArray = Array.isArray;\nvar ArrayPrototypeFilter = Array.prototype.filter;\nvar ArrayPrototypeSort = Array.prototype.sort;\nvar ArrayPrototypeIndexOf = Array.prototype.indexOf;\nvar ArrayPrototypeJoin = Array.prototype.join;\nvar ArrayPrototypeMap = Array.prototype.map;\nvar ArrayPrototypePop = Array.prototype.pop;\nvar ArrayPrototypePush = Array.prototype.push;\nvar ArrayPrototypeSlice = Array.prototype.slice;\nvar ArrayPrototypeSplice = Array.prototype.splice;\nvar ArrayPrototypeReverse = Array.prototype.reverse;\nvar ArrayPrototypeShift = Array.prototype.shift;\nvar ArrayPrototypeUnshift = Array.prototype.unshift;\nvar RegExpPrototypeExec = RegExp.prototype.exec;\nvar RegExpPrototypeSymbolReplace = RegExp.prototype[SymbolReplace];\nvar StringFromCharCode = String.fromCharCode;\nvar StringPrototypeCharCodeAt = String.prototype.charCodeAt;\nvar StringPrototypeCodePointAt = String.prototype.codePointAt;\nvar StringPrototypeSlice = String.prototype.slice;\nvar StringPrototypeToLowerCase = String.prototype.toLowerCase;\nvar StringPrototypeEndsWith = String.prototype.endsWith;\nvar StringPrototypeRepeat = String.prototype.repeat;\nvar StringPrototypeStartsWith = String.prototype.startsWith;\nvar StringPrototypeTrim = String.prototype.trim;\nvar StringPrototypeNormalize = String.prototype.normalize;\nvar NumberIsNaN = Number.isNaN;\nvar NumberIsFinite = Number.isFinite;\nvar NumberIsInteger = Number.isInteger;\nvar NumberMAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;\nvar NumberMIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER;\nvar MathCeil = Math.ceil;\nvar MathFloor = Math.floor;\nvar MathMax = Math.max;\nvar MathMaxApply = Math.max.apply;\nvar DateNow = Date.now;\nvar FunctionPrototype = Function.prototype;\nvar StringPrototype = String.prototype;\nvar StringPrototypeSymbolIterator = StringPrototype[SymbolIterator];\nvar StringIteratorPrototypeNext = StringPrototypeSymbolIterator.call(\"\").next;\nvar ObjectSetPrototypeOf = Object.setPrototypeOf;\nvar ObjectDefineProperty = Object.defineProperty;\nvar ObjectDefineProperties = Object.defineProperties;\nvar ObjectFreeze = Object.freeze;\nvar ObjectAssign = Object.assign;\nvar ObjectCreate = Object.create;\nvar ObjectKeys = Object.keys;\nvar ObjectSeal = Object.seal;\n\nvar createSafeIterator = (factory, next) => {\n class SafeIterator {\n #iterator;\n constructor(iterable) {\n this.#iterator = factory.call(iterable);\n }\n next() {\n return next.call(this.#iterator);\n }\n [SymbolIterator]() {\n return this;\n }\n }\n ObjectSetPrototypeOf(SafeIterator.prototype, null);\n ObjectFreeze(SafeIterator.prototype);\n ObjectFreeze(SafeIterator);\n return SafeIterator;\n};\n\nvar SafeStringIterator = createSafeIterator(StringPrototypeSymbolIterator, StringIteratorPrototypeNext);\n\n// ----------------------------------------------------------------------------\n// Section: \"Internal\" modules\n// ----------------------------------------------------------------------------\n\n/**\n * Returns true if the character represented by a given\n * Unicode code point is full-width. Otherwise returns false.\n */\nvar isFullWidthCodePoint = code => {\n // Code points are partially derived from:\n // https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt\n return (\n code >= 0x1100 &&\n (code <= 0x115f || // Hangul Jamo\n code === 0x2329 || // LEFT-POINTING ANGLE BRACKET\n code === 0x232a || // RIGHT-POINTING ANGLE BRACKET\n // CJK Radicals Supplement .. Enclosed CJK Letters and Months\n (code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||\n // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A\n (code >= 0x3250 && code <= 0x4dbf) ||\n // CJK Unified Ideographs .. Yi Radicals\n (code >= 0x4e00 && code <= 0xa4c6) ||\n // Hangul Jamo Extended-A\n (code >= 0xa960 && code <= 0xa97c) ||\n // Hangul Syllables\n (code >= 0xac00 && code <= 0xd7a3) ||\n // CJK Compatibility Ideographs\n (code >= 0xf900 && code <= 0xfaff) ||\n // Vertical Forms\n (code >= 0xfe10 && code <= 0xfe19) ||\n // CJK Compatibility Forms .. Small Form Variants\n (code >= 0xfe30 && code <= 0xfe6b) ||\n // Halfwidth and Fullwidth Forms\n (code >= 0xff01 && code <= 0xff60) ||\n (code >= 0xffe0 && code <= 0xffe6) ||\n // Kana Supplement\n (code >= 0x1b000 && code <= 0x1b001) ||\n // Enclosed Ideographic Supplement\n (code >= 0x1f200 && code <= 0x1f251) ||\n // Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff\n // Emoticons 0x1f600 - 0x1f64f\n (code >= 0x1f300 && code <= 0x1f64f) ||\n // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane\n (code >= 0x20000 && code <= 0x3fffd))\n );\n};\n\nvar isZeroWidthCodePoint = code => {\n return (\n code <= 0x1f || // C0 control codes\n (code >= 0x7f && code <= 0x9f) || // C1 control codes\n (code >= 0x300 && code <= 0x36f) || // Combining Diacritical Marks\n (code >= 0x200b && code <= 0x200f) || // Modifying Invisible Characters\n // Combining Diacritical Marks for Symbols\n (code >= 0x20d0 && code <= 0x20ff) ||\n (code >= 0xfe00 && code <= 0xfe0f) || // Variation Selectors\n (code >= 0xfe20 && code <= 0xfe2f) || // Combining Half Marks\n (code >= 0xe0100 && code <= 0xe01ef)\n ); // Variation Selectors\n};\n\n/**\n * Returns the number of columns required to display the given string.\n */\nvar getStringWidth = function getStringWidth(str, removeControlChars = true) {\n var width = 0;\n\n if (removeControlChars) str = stripVTControlCharacters(str);\n str = StringPrototypeNormalize.call(str, \"NFC\");\n for (var char of new SafeStringIterator(str)) {\n var code = StringPrototypeCodePointAt.call(char, 0);\n if (isFullWidthCodePoint(code)) {\n width += 2;\n } else if (!isZeroWidthCodePoint(code)) {\n width++;\n }\n }\n\n return width;\n};\n\n// Regex used for ansi escape code splitting\n// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js\n// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore\n// Matches all ansi escape code sequences in a string\nvar ansiPattern =\n \"[\\\\u001B\\\\u009B][[\\\\]()#;?]*\" +\n \"(?:(?:(?:(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]+)*\" +\n \"|[a-zA-Z\\\\d]+(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]*)*)?\\\\u0007)\" +\n \"|(?:(?:\\\\d{1,4}(?:;\\\\d{0,4})*)?[\\\\dA-PR-TZcf-ntqry=><~]))\";\nvar ansi = new RegExp(ansiPattern, \"g\");\n\n/**\n * Remove all VT control characters. Use to estimate displayed string width.\n */\nfunction stripVTControlCharacters(str) {\n validateString(str, \"str\");\n return RegExpPrototypeSymbolReplace.call(ansi, str, \"\");\n}\n\n// Promisify\n\nvar kCustomPromisifiedSymbol = SymbolFor(\"nodejs.util.promisify.custom\");\nvar kCustomPromisifyArgsSymbol = Symbol(\"customPromisifyArgs\");\n\nfunction promisify(original) {\n validateFunction(original, \"original\");\n\n if (original[kCustomPromisifiedSymbol]) {\n var fn = original[kCustomPromisifiedSymbol];\n\n validateFunction(fn, \"util.promisify.custom\");\n\n return ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n }\n\n // Names to create an object from in case the callback receives multiple\n // arguments, e.g. ['bytesRead', 'buffer'] for fs.read.\n var argumentNames = original[kCustomPromisifyArgsSymbol];\n\n function fn(...args) {\n return new Promise((resolve, reject) => {\n ArrayPrototypePush.call(args, (err, ...values) => {\n if (err) {\n return reject(err);\n }\n if (argumentNames !== undefined && values.length > 1) {\n var obj = {};\n for (var i = 0; i < argumentNames.length; i++) obj[argumentNames[i]] = values[i];\n resolve(obj);\n } else {\n resolve(values[0]);\n }\n });\n ReflectApply(original, this, args);\n });\n }\n\n ObjectSetPrototypeOf(fn, ObjectGetPrototypeOf(original));\n\n ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n\n var descriptors = ObjectGetOwnPropertyDescriptors(original);\n var propertiesValues = ObjectValues(descriptors);\n for (var i = 0; i < propertiesValues.length; i++) {\n // We want to use null-prototype objects to not rely on globally mutable\n // %Object.prototype%.\n ObjectSetPrototypeOf(propertiesValues[i], null);\n }\n return ObjectDefineProperties(fn, descriptors);\n}\n\npromisify.custom = kCustomPromisifiedSymbol;\n\n// Constants\n\nvar kUTF16SurrogateThreshold = 0x10000; // 2 ** 16\nvar kEscape = \"\\x1b\";\nvar kSubstringSearch = Symbol(\"kSubstringSearch\");\n\nvar kIsNodeError = Symbol(\"kIsNodeError\");\n\n// Errors\nvar errorBases = {};\nvar VALID_NODE_ERROR_BASES = {\n TypeError,\n RangeError,\n Error,\n};\n\nfunction getNodeErrorByName(typeName) {\n var base = errorBases[typeName];\n if (base) {\n return base;\n }\n if (!ObjectKeys(VALID_NODE_ERROR_BASES).includes(typeName)) {\n throw new Error(\"Invalid NodeError type\");\n }\n\n var Base = VALID_NODE_ERROR_BASES[typeName];\n\n class NodeError extends Base {\n [kIsNodeError] = true;\n code;\n constructor(msg, opts) {\n super(msg, opts);\n this.code = opts?.code || \"ERR_GENERIC\";\n }\n\n toString() {\n return `${this.name} [${this.code}]: ${this.message}`;\n }\n }\n errorBases[typeName] = NodeError;\n return NodeError;\n}\n\nvar NodeError = getNodeErrorByName(\"Error\");\nvar NodeTypeError = getNodeErrorByName(\"TypeError\");\nvar NodeRangeError = getNodeErrorByName(\"RangeError\");\n\nclass ERR_INVALID_ARG_TYPE extends NodeTypeError {\n constructor(name, type, value) {\n super(`The \"${name}\" argument must be of type ${type}. Received type ${typeof value}`, {\n code: \"ERR_INVALID_ARG_TYPE\",\n });\n }\n}\n\nclass ERR_INVALID_ARG_VALUE extends NodeTypeError {\n constructor(name, value, reason = \"not specified\") {\n super(`The value \"${String(value)}\" is invalid for argument '${name}'. Reason: ${reason}`, {\n code: \"ERR_INVALID_ARG_VALUE\",\n });\n }\n}\n\nclass ERR_INVALID_CURSOR_POS extends NodeTypeError {\n constructor() {\n super(\"Cannot set cursor row without setting its column\", {\n code: \"ERR_INVALID_CURSOR_POS\",\n });\n }\n}\n\nclass ERR_OUT_OF_RANGE extends NodeRangeError {\n constructor(name, range, received) {\n super(`The value of \"${name}\" is out of range. It must be ${range}. Received ${received}`, {\n code: \"ERR_OUT_OF_RANGE\",\n });\n }\n}\n\nclass ERR_USE_AFTER_CLOSE extends NodeError {\n constructor() {\n super(\"This socket has been ended by the other party\", {\n code: \"ERR_USE_AFTER_CLOSE\",\n });\n }\n}\n\nclass AbortError extends Error {\n code;\n constructor() {\n super(\"The operation was aborted\");\n this.code = \"ABORT_ERR\";\n }\n}\n\n// Validators\n\n/**\n * @callback validateFunction\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is Function}\n */\nfunction validateFunction(value, name) {\n if (typeof value !== \"function\") throw new ERR_INVALID_ARG_TYPE(name, \"Function\", value);\n}\n\n/**\n * @callback validateAbortSignal\n * @param {*} signal\n * @param {string} name\n */\nfunction validateAbortSignal(signal, name) {\n if (signal !== undefined && (signal === null || typeof signal !== \"object\" || !(\"aborted\" in signal))) {\n throw new ERR_INVALID_ARG_TYPE(name, \"AbortSignal\", signal);\n }\n}\n\n/**\n * @callback validateArray\n * @param {*} value\n * @param {string} name\n * @param {number} [minLength]\n * @returns {asserts value is any[]}\n */\nfunction validateArray(value, name, minLength = 0) {\n // var validateArray = hideStackFrames((value, name, minLength = 0) => {\n if (!ArrayIsArray(value)) {\n throw new ERR_INVALID_ARG_TYPE(name, \"Array\", value);\n }\n if (value.length < minLength) {\n var reason = `must be longer than ${minLength}`;\n throw new ERR_INVALID_ARG_VALUE(name, value, reason);\n }\n}\n\n/**\n * @callback validateString\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is string}\n */\nfunction validateString(value, name) {\n if (typeof value !== \"string\") throw new ERR_INVALID_ARG_TYPE(name, \"string\", value);\n}\n\n/**\n * @callback validateBoolean\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is boolean}\n */\nfunction validateBoolean(value, name) {\n if (typeof value !== \"boolean\") throw new ERR_INVALID_ARG_TYPE(name, \"boolean\", value);\n}\n\n/**\n * @callback validateObject\n * @param {*} value\n * @param {string} name\n * @param {{\n * allowArray?: boolean,\n * allowFunction?: boolean,\n * nullable?: boolean\n * }} [options]\n */\nfunction validateObject(value, name, options = null) {\n // var validateObject = hideStackFrames((value, name, options = null) => {\n var allowArray = options?.allowArray ?? false;\n var allowFunction = options?.allowFunction ?? false;\n var nullable = options?.nullable ?? false;\n if (\n (!nullable && value === null) ||\n (!allowArray && ArrayIsArray.call(value)) ||\n (typeof value !== \"object\" && (!allowFunction || typeof value !== \"function\"))\n ) {\n throw new ERR_INVALID_ARG_TYPE(name, \"object\", value);\n }\n}\n\n/**\n * @callback validateInteger\n * @param {*} value\n * @param {string} name\n * @param {number} [min]\n * @param {number} [max]\n * @returns {asserts value is number}\n */\nfunction validateInteger(value, name, min = NumberMIN_SAFE_INTEGER, max = NumberMAX_SAFE_INTEGER) {\n if (typeof value !== \"number\") throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n if (!NumberIsInteger(value)) throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n if (value < min || value > max) throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n}\n\n/**\n * @callback validateUint32\n * @param {*} value\n * @param {string} name\n * @param {number|boolean} [positive=false]\n * @returns {asserts value is number}\n */\nfunction validateUint32(value, name, positive = false) {\n if (typeof value !== \"number\") {\n throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n }\n\n if (!NumberIsInteger(value)) {\n throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n }\n\n var min = positive ? 1 : 0; // 2 ** 32 === 4294967296\n var max = 4_294_967_295;\n\n if (value < min || value > max) {\n throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Utils\n// ----------------------------------------------------------------------------\n\nfunction CSI(strings, ...args) {\n var ret = `${kEscape}[`;\n for (var n = 0; n < strings.length; n++) {\n ret += strings[n];\n if (n < args.length) ret += args[n];\n }\n return ret;\n}\n\nvar kClearLine, kClearScreenDown, kClearToLineBeginning, kClearToLineEnd;\n\nCSI.kEscape = kEscape;\nCSI.kClearLine = kClearLine = CSI`2K`;\nCSI.kClearScreenDown = kClearScreenDown = CSI`0J`;\nCSI.kClearToLineBeginning = kClearToLineBeginning = CSI`1K`;\nCSI.kClearToLineEnd = kClearToLineEnd = CSI`0K`;\n\nfunction charLengthLeft(str, i) {\n if (i <= 0) return 0;\n if (\n (i > 1 && StringPrototypeCodePointAt.call(str, i - 2) >= kUTF16SurrogateThreshold) ||\n StringPrototypeCodePointAt.call(str, i - 1) >= kUTF16SurrogateThreshold\n ) {\n return 2;\n }\n return 1;\n}\n\nfunction charLengthAt(str, i) {\n if (str.length <= i) {\n // Pretend to move to the right. This is necessary to autocomplete while\n // moving to the right.\n return 1;\n }\n return StringPrototypeCodePointAt.call(str, i) >= kUTF16SurrogateThreshold ? 2 : 1;\n}\n\n/*\n Some patterns seen in terminal key escape codes, derived from combos seen\n at http://www.midnight-commander.org/browser/lib/tty/key.c\n ESC letter\n ESC [ letter\n ESC [ modifier letter\n ESC [ 1 ; modifier letter\n ESC [ num char\n ESC [ num ; modifier char\n ESC O letter\n ESC O modifier letter\n ESC O 1 ; modifier letter\n ESC N letter\n ESC [ [ num ; modifier char\n ESC [ [ 1 ; modifier letter\n ESC ESC [ num char\n ESC ESC O letter\n - char is usually ~ but $ and ^ also happen with rxvt\n - modifier is 1 +\n (shift * 1) +\n (left_alt * 2) +\n (ctrl * 4) +\n (right_alt * 8)\n - two leading ESCs apparently mean the same as one leading ESC\n*/\nfunction* emitKeys(stream) {\n while (true) {\n var ch = yield;\n var s = ch;\n var escaped = false;\n\n var keySeq = null;\n var keyName;\n var keyCtrl = false;\n var keyMeta = false;\n var keyShift = false;\n\n // var key = {\n // sequence: null,\n // name: undefined,\n // ctrl: false,\n // meta: false,\n // shift: false,\n // };\n\n if (ch === kEscape) {\n escaped = true;\n s += ch = yield;\n\n if (ch === kEscape) {\n s += ch = yield;\n }\n }\n\n if (escaped && (ch === \"O\" || ch === \"[\")) {\n // ANSI escape sequence\n var code = ch;\n var modifier = 0;\n\n if (ch === \"O\") {\n // ESC O letter\n // ESC O modifier letter\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n modifier = (ch >> 0) - 1;\n s += ch = yield;\n }\n\n code += ch;\n } else if (ch === \"[\") {\n // ESC [ letter\n // ESC [ modifier letter\n // ESC [ [ modifier letter\n // ESC [ [ num char\n s += ch = yield;\n\n if (ch === \"[\") {\n // \\x1b[[A\n // ^--- escape codes might have a second bracket\n code += ch;\n s += ch = yield;\n }\n\n /*\n * Here and later we try to buffer just enough data to get\n * a complete ascii sequence.\n *\n * We have basically two classes of ascii characters to process:\n *\n *\n * 1. `\\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 }\n *\n * This particular example is featuring Ctrl+F12 in xterm.\n *\n * - `;5` part is optional, e.g. it could be `\\x1b[24~`\n * - first part can contain one or two digits\n *\n * So the generic regexp is like /^\\d\\d?(;\\d)?[~^$]$/\n *\n *\n * 2. `\\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 }\n *\n * This particular example is featuring Ctrl+Home in xterm.\n *\n * - `1;5` part is optional, e.g. it could be `\\x1b[H`\n * - `1;` part is optional, e.g. it could be `\\x1b[5H`\n *\n * So the generic regexp is like /^((\\d;)?\\d)?[A-Za-z]$/\n *\n */\n var cmdStart = s.length - 1;\n\n // Skip one or two leading digits\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n }\n }\n\n // skip modifier\n if (ch === \";\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += yield;\n }\n }\n\n /*\n * We buffered enough data, now trying to extract code\n * and modifier from it\n */\n var cmd = StringPrototypeSlice.call(s, cmdStart);\n var match;\n\n if ((match = RegExpPrototypeExec.call(/^(\\d\\d?)(;(\\d))?([~^$])$/, cmd))) {\n code += match[1] + match[4];\n modifier = (match[3] || 1) - 1;\n } else if ((match = RegExpPrototypeExec.call(/^((\\d;)?(\\d))?([A-Za-z])$/, cmd))) {\n code += match[4];\n modifier = (match[3] || 1) - 1;\n } else {\n code += cmd;\n }\n }\n\n // Parse the key modifier\n keyCtrl = !!(modifier & 4);\n keyMeta = !!(modifier & 10);\n keyShift = !!(modifier & 1);\n keyCode = code;\n\n // Parse the key itself\n switch (code) {\n /* xterm/gnome ESC [ letter (with modifier) */\n case \"[P\":\n keyName = \"f1\";\n break;\n case \"[Q\":\n keyName = \"f2\";\n break;\n case \"[R\":\n keyName = \"f3\";\n break;\n case \"[S\":\n keyName = \"f4\";\n break;\n\n /* xterm/gnome ESC O letter (without modifier) */\n case \"OP\":\n keyName = \"f1\";\n break;\n case \"OQ\":\n keyName = \"f2\";\n break;\n case \"OR\":\n keyName = \"f3\";\n break;\n case \"OS\":\n keyName = \"f4\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[11~\":\n keyName = \"f1\";\n break;\n case \"[12~\":\n keyName = \"f2\";\n break;\n case \"[13~\":\n keyName = \"f3\";\n break;\n case \"[14~\":\n keyName = \"f4\";\n break;\n\n /* from Cygwin and used in libuv */\n case \"[[A\":\n keyName = \"f1\";\n break;\n case \"[[B\":\n keyName = \"f2\";\n break;\n case \"[[C\":\n keyName = \"f3\";\n break;\n case \"[[D\":\n keyName = \"f4\";\n break;\n case \"[[E\":\n keyName = \"f5\";\n break;\n\n /* common */\n case \"[15~\":\n keyName = \"f5\";\n break;\n case \"[17~\":\n keyName = \"f6\";\n break;\n case \"[18~\":\n keyName = \"f7\";\n break;\n case \"[19~\":\n keyName = \"f8\";\n break;\n case \"[20~\":\n keyName = \"f9\";\n break;\n case \"[21~\":\n keyName = \"f10\";\n break;\n case \"[23~\":\n keyName = \"f11\";\n break;\n case \"[24~\":\n keyName = \"f12\";\n break;\n\n /* xterm ESC [ letter */\n case \"[A\":\n keyName = \"up\";\n break;\n case \"[B\":\n keyName = \"down\";\n break;\n case \"[C\":\n keyName = \"right\";\n break;\n case \"[D\":\n keyName = \"left\";\n break;\n case \"[E\":\n keyName = \"clear\";\n break;\n case \"[F\":\n keyName = \"end\";\n break;\n case \"[H\":\n keyName = \"home\";\n break;\n\n /* xterm/gnome ESC O letter */\n case \"OA\":\n keyName = \"up\";\n break;\n case \"OB\":\n keyName = \"down\";\n break;\n case \"OC\":\n keyName = \"right\";\n break;\n case \"OD\":\n keyName = \"left\";\n break;\n case \"OE\":\n keyName = \"clear\";\n break;\n case \"OF\":\n keyName = \"end\";\n break;\n case \"OH\":\n keyName = \"home\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[1~\":\n keyName = \"home\";\n break;\n case \"[2~\":\n keyName = \"insert\";\n break;\n case \"[3~\":\n keyName = \"delete\";\n break;\n case \"[4~\":\n keyName = \"end\";\n break;\n case \"[5~\":\n keyName = \"pageup\";\n break;\n case \"[6~\":\n keyName = \"pagedown\";\n break;\n\n /* putty */\n case \"[[5~\":\n keyName = \"pageup\";\n break;\n case \"[[6~\":\n keyName = \"pagedown\";\n break;\n\n /* rxvt */\n case \"[7~\":\n keyName = \"home\";\n break;\n case \"[8~\":\n keyName = \"end\";\n break;\n\n /* rxvt keys with modifiers */\n case \"[a\":\n keyName = \"up\";\n keyShift = true;\n break;\n case \"[b\":\n keyName = \"down\";\n keyShift = true;\n break;\n case \"[c\":\n keyName = \"right\";\n keyShift = true;\n break;\n case \"[d\":\n keyName = \"left\";\n keyShift = true;\n break;\n case \"[e\":\n keyName = \"clear\";\n keyShift = true;\n break;\n\n case \"[2$\":\n keyName = \"insert\";\n keyShift = true;\n break;\n case \"[3$\":\n keyName = \"delete\";\n keyShift = true;\n break;\n case \"[5$\":\n keyName = \"pageup\";\n keyShift = true;\n break;\n case \"[6$\":\n keyName = \"pagedown\";\n keyShift = true;\n break;\n case \"[7$\":\n keyName = \"home\";\n keyShift = true;\n break;\n case \"[8$\":\n keyName = \"end\";\n keyShift = true;\n break;\n\n case \"Oa\":\n keyName = \"up\";\n keyCtrl = true;\n break;\n case \"Ob\":\n keyName = \"down\";\n keyCtrl = true;\n break;\n case \"Oc\":\n keyName = \"right\";\n keyCtrl = true;\n break;\n case \"Od\":\n keyName = \"left\";\n keyCtrl = true;\n break;\n case \"Oe\":\n keyName = \"clear\";\n keyCtrl = true;\n break;\n\n case \"[2^\":\n keyName = \"insert\";\n keyCtrl = true;\n break;\n case \"[3^\":\n keyName = \"delete\";\n keyCtrl = true;\n break;\n case \"[5^\":\n keyName = \"pageup\";\n keyCtrl = true;\n break;\n case \"[6^\":\n keyName = \"pagedown\";\n keyCtrl = true;\n break;\n case \"[7^\":\n keyName = \"home\";\n keyCtrl = true;\n break;\n case \"[8^\":\n keyName = \"end\";\n keyCtrl = true;\n break;\n\n /* misc. */\n case \"[Z\":\n keyName = \"tab\";\n keyShift = true;\n break;\n default:\n keyName = \"undefined\";\n break;\n }\n } else if (ch === \"\\r\") {\n // carriage return\n keyName = \"return\";\n keyMeta = escaped;\n } else if (ch === \"\\n\") {\n // Enter, should have been called linefeed\n keyName = \"enter\";\n keyMeta = escaped;\n } else if (ch === \"\\t\") {\n // tab\n keyName = \"tab\";\n keyMeta = escaped;\n } else if (ch === \"\\b\" || ch === \"\\x7f\") {\n // backspace or ctrl+h\n keyName = \"backspace\";\n keyMeta = escaped;\n } else if (ch === kEscape) {\n // escape key\n keyName = \"escape\";\n keyMeta = escaped;\n } else if (ch === \" \") {\n keyName = \"space\";\n keyMeta = escaped;\n } else if (!escaped && ch <= \"\\x1a\") {\n // ctrl+letter\n keyName = StringFromCharCode(StringPrototypeCharCodeAt.call(ch) + StringPrototypeCharCodeAt.call(\"a\") - 1);\n keyCtrl = true;\n } else if (RegExpPrototypeExec.call(/^[0-9A-Za-z]$/, ch) !== null) {\n // Letter, number, shift+letter\n keyName = StringPrototypeToLowerCase.call(ch);\n keyShift = RegExpPrototypeExec.call(/^[A-Z]$/, ch) !== null;\n keyMeta = escaped;\n } else if (escaped) {\n // Escape sequence timeout\n keyName = ch.length ? undefined : \"escape\";\n keyMeta = true;\n }\n\n keySeq = s;\n\n if (s.length !== 0 && (keyName !== undefined || escaped)) {\n /* Named character or sequence */\n stream.emit(\"keypress\", escaped ? undefined : s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n } else if (charLengthAt(s, 0) === s.length) {\n /* Single unnamed character, e.g. \".\" */\n stream.emit(\"keypress\", s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n }\n /* Unrecognized or broken escape sequence, don't emit anything */\n }\n}\n\n// This runs in O(n log n).\nfunction commonPrefix(strings) {\n if (strings.length === 0) {\n return \"\";\n }\n if (strings.length === 1) {\n return strings[0];\n }\n var sorted = ArrayPrototypeSort.call(ArrayPrototypeSlice.call(strings));\n var min = sorted[0];\n var max = sorted[sorted.length - 1];\n for (var i = 0; i < min.length; i++) {\n if (min[i] !== max[i]) {\n return StringPrototypeSlice.call(min, 0, i);\n }\n }\n return min;\n}\n\n// ----------------------------------------------------------------------------\n// Section: Cursor Functions\n// ----------------------------------------------------------------------------\n\n/**\n * moves the cursor to the x and y coordinate on the given stream\n */\n\nfunction cursorTo(stream, x, y, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (typeof y === \"function\") {\n callback = y;\n y = undefined;\n }\n\n if (NumberIsNaN(x)) throw new ERR_INVALID_ARG_VALUE(\"x\", x);\n if (NumberIsNaN(y)) throw new ERR_INVALID_ARG_VALUE(\"y\", y);\n\n if (stream == null || (typeof x !== \"number\" && typeof y !== \"number\")) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n if (typeof x !== \"number\") throw new ERR_INVALID_CURSOR_POS();\n\n var data = typeof y !== \"number\" ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n return stream.write(data, callback);\n}\n\n/**\n * moves the cursor relative to its current location\n */\n\nfunction moveCursor(stream, dx, dy, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream == null || !(dx || dy)) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n\n return stream.write(data, callback);\n}\n\n/**\n * clears the current line the cursor is on:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n */\n\nfunction clearLine(stream, dir, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var type = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n return stream.write(type, callback);\n}\n\n/**\n * clears the screen from the current position of the cursor down\n */\n\nfunction clearScreenDown(stream, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n return stream.write(kClearScreenDown, callback);\n}\n\n// ----------------------------------------------------------------------------\n// Section: Emit keypress events\n// ----------------------------------------------------------------------------\n\nvar KEYPRESS_DECODER = Symbol(\"keypress-decoder\");\nvar ESCAPE_DECODER = Symbol(\"escape-decoder\");\n\n// GNU readline library - keyseq-timeout is 500ms (default)\nvar ESCAPE_CODE_TIMEOUT = 500;\n\n/**\n * accepts a readable Stream instance and makes it emit \"keypress\" events\n */\n\nfunction emitKeypressEvents(stream, iface = {}) {\n if (stream[KEYPRESS_DECODER]) return;\n\n stream[KEYPRESS_DECODER] = new StringDecoder(\"utf8\");\n\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n\n var triggerEscape = () => stream[ESCAPE_DECODER].next(\"\");\n var { escapeCodeTimeout = ESCAPE_CODE_TIMEOUT } = iface;\n var timeoutId;\n\n function onData(input) {\n if (stream.listenerCount(\"keypress\") > 0) {\n var string = stream[KEYPRESS_DECODER].write(input);\n if (string) {\n clearTimeout(timeoutId);\n\n // This supports characters of length 2.\n iface[kSawKeyPress] = charLengthAt(string, 0) === string.length;\n iface.isCompletionEnabled = false;\n\n var length = 0;\n for (var character of new SafeStringIterator(string)) {\n length += character.length;\n if (length === string.length) {\n iface.isCompletionEnabled = true;\n }\n\n try {\n stream[ESCAPE_DECODER].next(character);\n // Escape letter at the tail position\n if (length === string.length && character === kEscape) {\n timeoutId = setTimeout(triggerEscape, escapeCodeTimeout);\n }\n } catch (err) {\n // If the generator throws (it could happen in the `keypress`\n // event), we need to restart it.\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n throw err;\n }\n }\n }\n } else {\n // Nobody's watching anyway\n stream.removeListener(\"data\", onData);\n stream.on(\"newListener\", onNewListener);\n }\n }\n\n function onNewListener(event) {\n if (event === \"keypress\") {\n stream.on(\"data\", onData);\n stream.removeListener(\"newListener\", onNewListener);\n }\n }\n\n if (stream.listenerCount(\"keypress\") > 0) {\n stream.on(\"data\", onData);\n } else {\n stream.on(\"newListener\", onNewListener);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Interface\n// ----------------------------------------------------------------------------\n\nvar kEmptyObject = ObjectFreeze(ObjectCreate(null));\n\n// Some constants regarding configuration of interface\nvar kHistorySize = 30;\nvar kMaxUndoRedoStackSize = 2048;\nvar kMincrlfDelay = 100;\n// \\r\\n, \\n, or \\r followed by something other than \\n\nvar lineEnding = /\\r?\\n|\\r(?!\\n)/g;\n\n// Max length of the kill ring\nvar kMaxLengthOfKillRing = 32;\n\n// Symbols\n\n// Public symbols\nvar kLineObjectStream = Symbol(\"line object stream\");\nvar kQuestionCancel = Symbol(\"kQuestionCancel\");\nvar kQuestion = Symbol(\"kQuestion\");\n\n// Private symbols\nvar kAddHistory = Symbol(\"_addHistory\");\nvar kBeforeEdit = Symbol(\"_beforeEdit\");\nvar kDecoder = Symbol(\"_decoder\");\nvar kDeleteLeft = Symbol(\"_deleteLeft\");\nvar kDeleteLineLeft = Symbol(\"_deleteLineLeft\");\nvar kDeleteLineRight = Symbol(\"_deleteLineRight\");\nvar kDeleteRight = Symbol(\"_deleteRight\");\nvar kDeleteWordLeft = Symbol(\"_deleteWordLeft\");\nvar kDeleteWordRight = Symbol(\"_deleteWordRight\");\nvar kGetDisplayPos = Symbol(\"_getDisplayPos\");\nvar kHistoryNext = Symbol(\"_historyNext\");\nvar kHistoryPrev = Symbol(\"_historyPrev\");\nvar kInsertString = Symbol(\"_insertString\");\nvar kLine = Symbol(\"_line\");\nvar kLine_buffer = Symbol(\"_line_buffer\");\nvar kKillRing = Symbol(\"_killRing\");\nvar kKillRingCursor = Symbol(\"_killRingCursor\");\nvar kMoveCursor = Symbol(\"_moveCursor\");\nvar kNormalWrite = Symbol(\"_normalWrite\");\nvar kOldPrompt = Symbol(\"_oldPrompt\");\nvar kOnLine = Symbol(\"_onLine\");\nvar kPreviousKey = Symbol(\"_previousKey\");\nvar kPrompt = Symbol(\"_prompt\");\nvar kPushToKillRing = Symbol(\"_pushToKillRing\");\nvar kPushToUndoStack = Symbol(\"_pushToUndoStack\");\nvar kQuestionCallback = Symbol(\"_questionCallback\");\nvar kRedo = Symbol(\"_redo\");\nvar kRedoStack = Symbol(\"_redoStack\");\nvar kRefreshLine = Symbol(\"_refreshLine\");\nvar kSawKeyPress = Symbol(\"_sawKeyPress\");\nvar kSawReturnAt = Symbol(\"_sawReturnAt\");\nvar kSetRawMode = Symbol(\"_setRawMode\");\nvar kTabComplete = Symbol(\"_tabComplete\");\nvar kTabCompleter = Symbol(\"_tabCompleter\");\nvar kTtyWrite = Symbol(\"_ttyWrite\");\nvar kUndo = Symbol(\"_undo\");\nvar kUndoStack = Symbol(\"_undoStack\");\nvar kWordLeft = Symbol(\"_wordLeft\");\nvar kWordRight = Symbol(\"_wordRight\");\nvar kWriteToOutput = Symbol(\"_writeToOutput\");\nvar kYank = Symbol(\"_yank\");\nvar kYanking = Symbol(\"_yanking\");\nvar kYankPop = Symbol(\"_yankPop\");\n\n// Event symbols\nvar kFirstEventParam = Symbol(\"nodejs.kFirstEventParam\");\n\n// class InterfaceConstructor extends EventEmitter {\n// #onSelfCloseWithTerminal;\n// #onSelfCloseWithoutTerminal;\n\n// #onError;\n// #onData;\n// #onEnd;\n// #onTermEnd;\n// #onKeyPress;\n// #onResize;\n\n// [kSawReturnAt];\n// isCompletionEnabled = true;\n// [kSawKeyPress];\n// [kPreviousKey];\n// escapeCodeTimeout;\n// tabSize;\n\n// line;\n// [kSubstringSearch];\n// output;\n// input;\n// [kUndoStack];\n// [kRedoStack];\n// history;\n// historySize;\n\n// [kKillRing];\n// [kKillRingCursor];\n\n// removeHistoryDuplicates;\n// crlfDelay;\n// completer;\n\n// terminal;\n// [kLineObjectStream];\n\n// cursor;\n// historyIndex;\n\n// constructor(input, output, completer, terminal) {\n// super();\n\nvar kOnSelfCloseWithTerminal = Symbol(\"_onSelfCloseWithTerminal\");\nvar kOnSelfCloseWithoutTerminal = Symbol(\"_onSelfCloseWithoutTerminal\");\nvar kOnKeyPress = Symbol(\"_onKeyPress\");\nvar kOnError = Symbol(\"_onError\");\nvar kOnData = Symbol(\"_onData\");\nvar kOnEnd = Symbol(\"_onEnd\");\nvar kOnTermEnd = Symbol(\"_onTermEnd\");\nvar kOnResize = Symbol(\"_onResize\");\n\nfunction onSelfCloseWithTerminal() {\n var input = this.input;\n var output = this.output;\n\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"keypress\", this[kOnKeyPress]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnTermEnd]);\n if (output !== null && output !== undefined) {\n output.removeListener(\"resize\", this[kOnResize]);\n }\n}\n\nfunction onSelfCloseWithoutTerminal() {\n var input = this.input;\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"data\", this[kOnData]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnEnd]);\n}\n\nfunction onError(err) {\n this.emit(\"error\", err);\n}\n\nfunction onData(data) {\n debug(\"onData\");\n this[kNormalWrite](data);\n}\n\nfunction onEnd() {\n debug(\"onEnd\");\n if (typeof this[kLine_buffer] === \"string\" && this[kLine_buffer].length > 0) {\n this.emit(\"line\", this[kLine_buffer]);\n }\n this.close();\n}\n\nfunction onTermEnd() {\n debug(\"onTermEnd\");\n if (typeof this.line === \"string\" && this.line.length > 0) {\n this.emit(\"line\", this.line);\n }\n this.close();\n}\n\nfunction onKeyPress(s, key) {\n this[kTtyWrite](s, key);\n if (key && key.sequence) {\n // If the keySeq is half of a surrogate pair\n // (>= 0xd800 and <= 0xdfff), refresh the line so\n // the character is displayed appropriately.\n var ch = StringPrototypeCodePointAt.call(key.sequence, 0);\n if (ch >= 0xd800 && ch <= 0xdfff) this[kRefreshLine]();\n }\n}\n\nfunction onResize() {\n this[kRefreshLine]();\n}\n\nfunction InterfaceConstructor(input, output, completer, terminal) {\n if (!(this instanceof InterfaceConstructor)) {\n return new InterfaceConstructor(input, output, completer, terminal);\n }\n\n EventEmitter.call(this);\n\n this[kOnSelfCloseWithoutTerminal] = onSelfCloseWithoutTerminal.bind(this);\n this[kOnSelfCloseWithTerminal] = onSelfCloseWithTerminal.bind(this);\n\n this[kOnError] = onError.bind(this);\n this[kOnData] = onData.bind(this);\n this[kOnEnd] = onEnd.bind(this);\n this[kOnTermEnd] = onTermEnd.bind(this);\n this[kOnKeyPress] = onKeyPress.bind(this);\n this[kOnResize] = onResize.bind(this);\n\n this[kSawReturnAt] = 0;\n this.isCompletionEnabled = true;\n this[kSawKeyPress] = false;\n this[kPreviousKey] = null;\n this.escapeCodeTimeout = ESCAPE_CODE_TIMEOUT;\n this.tabSize = 8;\n\n var history;\n var historySize;\n var removeHistoryDuplicates = false;\n var crlfDelay;\n var prompt = \"> \";\n var signal;\n\n if (input?.input) {\n // An options object was given\n output = input.output;\n completer = input.completer;\n terminal = input.terminal;\n history = input.history;\n historySize = input.historySize;\n signal = input.signal;\n\n var tabSize = input.tabSize;\n if (tabSize !== undefined) {\n validateUint32(tabSize, \"tabSize\", true);\n this.tabSize = tabSize;\n }\n removeHistoryDuplicates = input.removeHistoryDuplicates;\n\n var inputPrompt = input.prompt;\n if (inputPrompt !== undefined) {\n prompt = inputPrompt;\n }\n\n var inputEscapeCodeTimeout = input.escapeCodeTimeout;\n if (inputEscapeCodeTimeout !== undefined) {\n if (NumberIsFinite(inputEscapeCodeTimeout)) {\n this.escapeCodeTimeout = inputEscapeCodeTimeout;\n } else {\n throw new ERR_INVALID_ARG_VALUE(\"input.escapeCodeTimeout\", this.escapeCodeTimeout);\n }\n }\n\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n }\n\n crlfDelay = input.crlfDelay;\n input = input.input;\n }\n\n if (completer !== undefined && typeof completer !== \"function\") {\n throw new ERR_INVALID_ARG_VALUE(\"completer\", completer);\n }\n\n if (history === undefined) {\n history = [];\n } else {\n validateArray(history, \"history\");\n }\n\n if (historySize === undefined) {\n historySize = kHistorySize;\n }\n\n if (typeof historySize !== \"number\" || NumberIsNaN(historySize) || historySize < 0) {\n throw new ERR_INVALID_ARG_VALUE(\"historySize\", historySize);\n }\n\n // Backwards compat; check the isTTY prop of the output stream\n // when `terminal` was not specified\n if (terminal === undefined && !(output === null || output === undefined)) {\n terminal = !!output.isTTY;\n }\n\n this.line = \"\";\n this[kSubstringSearch] = null;\n this.output = output;\n this.input = input;\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.history = history;\n this.historySize = historySize;\n\n // The kill ring is a global list of blocks of text that were previously\n // killed (deleted). If its size exceeds kMaxLengthOfKillRing, the oldest\n // element will be removed to make room for the latest deletion. With kill\n // ring, users are able to recall (yank) or cycle (yank pop) among previously\n // killed texts, quite similar to the behavior of Emacs.\n this[kKillRing] = [];\n this[kKillRingCursor] = 0;\n\n this.removeHistoryDuplicates = !!removeHistoryDuplicates;\n this.crlfDelay = crlfDelay ? MathMax(kMincrlfDelay, crlfDelay) : kMincrlfDelay;\n this.completer = completer;\n\n this.setPrompt(prompt);\n\n this.terminal = !!terminal;\n\n this[kLineObjectStream] = undefined;\n\n input.on(\"error\", this[kOnError]);\n\n if (!this.terminal) {\n input.on(\"data\", this[kOnData]);\n input.on(\"end\", this[kOnEnd]);\n this.once(\"close\", this[kOnSelfCloseWithoutTerminal]);\n this[kDecoder] = new StringDecoder(\"utf8\");\n } else {\n emitKeypressEvents(input, this);\n\n // `input` usually refers to stdin\n input.on(\"keypress\", this[kOnKeyPress]);\n input.on(\"end\", this[kOnTermEnd]);\n\n this[kSetRawMode](true);\n this.terminal = true;\n\n // Cursor position on the line.\n this.cursor = 0;\n this.historyIndex = -1;\n\n if (output !== null && output !== undefined) output.on(\"resize\", this[kOnResize]);\n\n this.once(\"close\", this[kOnSelfCloseWithTerminal]);\n }\n\n if (signal) {\n var onAborted = (() => this.close()).bind(this);\n if (signal.aborted) {\n process.nextTick(onAborted);\n } else {\n signal.addEventListener(\"abort\", onAborted, { once: true });\n this.once(\"close\", () => signal.removeEventListener(\"abort\", onAborted));\n }\n }\n\n // Current line\n this.line = \"\";\n\n input.resume();\n}\n\nObjectSetPrototypeOf(InterfaceConstructor.prototype, EventEmitter.prototype);\nObjectSetPrototypeOf(InterfaceConstructor, EventEmitter);\n\nvar _Interface = class Interface extends InterfaceConstructor {\n // TODO: Enumerate all the properties of the class\n\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n get columns() {\n var output = this.output;\n if (output && output.columns) return output.columns;\n return Infinity;\n }\n\n /**\n * Sets the prompt written to the output.\n * @param {string} prompt\n * @returns {void}\n */\n setPrompt(prompt) {\n this[kPrompt] = prompt;\n }\n\n /**\n * Returns the current prompt used by `rl.prompt()`.\n * @returns {string}\n */\n getPrompt() {\n return this[kPrompt];\n }\n\n [kSetRawMode](mode) {\n var input = this.input;\n var { setRawMode, wasInRawMode } = input;\n\n // TODO: Make this work, for now just stub this and print debug\n debug(\"setRawMode\", mode, \"set!\");\n // if (typeof setRawMode === \"function\") {\n // setRawMode(mode);\n // }\n\n return wasInRawMode;\n }\n\n /**\n * Writes the configured `prompt` to a new line in `output`.\n * @param {boolean} [preserveCursor]\n * @returns {void}\n */\n prompt(preserveCursor) {\n if (this.paused) this.resume();\n if (this.terminal && process.env.TERM !== \"dumb\") {\n if (!preserveCursor) this.cursor = 0;\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](this[kPrompt]);\n }\n }\n\n [kQuestion](query, cb) {\n if (this.closed) {\n throw new ERR_USE_AFTER_CLOSE(\"readline\");\n }\n if (this[kQuestionCallback]) {\n this.prompt();\n } else {\n this[kOldPrompt] = this[kPrompt];\n this.setPrompt(query);\n this[kQuestionCallback] = cb;\n this.prompt();\n }\n }\n\n [kOnLine](line) {\n if (this[kQuestionCallback]) {\n var cb = this[kQuestionCallback];\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n cb(line);\n } else {\n this.emit(\"line\", line);\n }\n }\n\n [kBeforeEdit](oldText, oldCursor) {\n this[kPushToUndoStack](oldText, oldCursor);\n }\n\n [kQuestionCancel]() {\n if (this[kQuestionCallback]) {\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n this.clearLine();\n }\n }\n\n [kWriteToOutput](stringToWrite) {\n validateString(stringToWrite, \"stringToWrite\");\n\n if (this.output !== null && this.output !== undefined) {\n this.output.write(stringToWrite);\n }\n }\n\n [kAddHistory]() {\n if (this.line.length === 0) return \"\";\n\n // If the history is disabled then return the line\n if (this.historySize === 0) return this.line;\n\n // If the trimmed line is empty then return the line\n if (StringPrototypeTrim.call(this.line).length === 0) return this.line;\n\n if (this.history.length === 0 || this.history[0] !== this.line) {\n if (this.removeHistoryDuplicates) {\n // Remove older history line if identical to new one\n var dupIndex = ArrayPrototypeIndexOf.call(this.history, this.line);\n if (dupIndex !== -1) ArrayPrototypeSplice.call(this.history, dupIndex, 1);\n }\n\n ArrayPrototypeUnshift.call(this.history, this.line);\n\n // Only store so many\n if (this.history.length > this.historySize) ArrayPrototypePop.call(this.history);\n }\n\n this.historyIndex = -1;\n\n // The listener could change the history object, possibly\n // to remove the last added entry if it is sensitive and should\n // not be persisted in the history, like a password\n var line = this.history[0];\n\n // Emit history event to notify listeners of update\n this.emit(\"history\", this.history);\n\n return line;\n }\n\n [kRefreshLine]() {\n // line length\n var line = this[kPrompt] + this.line;\n var dispPos = this[kGetDisplayPos](line);\n var lineCols = dispPos.cols;\n var lineRows = dispPos.rows;\n\n // cursor position\n var cursorPos = this.getCursorPos();\n\n // First move to the bottom of the current line, based on cursor pos\n var prevRows = this.prevRows || 0;\n if (prevRows > 0) {\n moveCursor(this.output, 0, -prevRows);\n }\n\n // Cursor to left edge.\n cursorTo(this.output, 0);\n // erase data\n clearScreenDown(this.output);\n\n // Write the prompt and the current buffer content.\n this[kWriteToOutput](line);\n\n // Force terminal to allocate a new line\n if (lineCols === 0) {\n this[kWriteToOutput](\" \");\n }\n\n // Move cursor to original position.\n cursorTo(this.output, cursorPos.cols);\n\n var diff = lineRows - cursorPos.rows;\n if (diff > 0) {\n moveCursor(this.output, 0, -diff);\n }\n\n this.prevRows = cursorPos.rows;\n }\n\n /**\n * Closes the `readline.Interface` instance.\n * @returns {void}\n */\n close() {\n if (this.closed) return;\n this.pause();\n if (this.terminal) {\n this[kSetRawMode](false);\n }\n this.closed = true;\n this.emit(\"close\");\n }\n\n /**\n * Pauses the `input` stream.\n * @returns {void | Interface}\n */\n pause() {\n if (this.paused) return;\n this.input.pause();\n this.paused = true;\n this.emit(\"pause\");\n return this;\n }\n\n /**\n * Resumes the `input` stream if paused.\n * @returns {void | Interface}\n */\n resume() {\n if (!this.paused) return;\n this.input.resume();\n this.paused = false;\n this.emit(\"resume\");\n return this;\n }\n\n /**\n * Writes either `data` or a `key` sequence identified by\n * `key` to the `output`.\n * @param {string} d\n * @param {{\n * ctrl?: boolean;\n * meta?: boolean;\n * shift?: boolean;\n * name?: string;\n * }} [key]\n * @returns {void}\n */\n write(d, key) {\n if (this.paused) this.resume();\n if (this.terminal) {\n this[kTtyWrite](d, key);\n } else {\n this[kNormalWrite](d);\n }\n }\n\n [kNormalWrite](b) {\n if (b === undefined) {\n return;\n }\n var string = this[kDecoder].write(b);\n if (this[kSawReturnAt] && DateNow() - this[kSawReturnAt] <= this.crlfDelay) {\n if (StringPrototypeCodePointAt.call(string) === 10) string = StringPrototypeSlice.call(string, 1);\n this[kSawReturnAt] = 0;\n }\n\n // Run test() on the new string chunk, not on the entire line buffer.\n var newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n if (newPartContainsEnding !== null) {\n if (this[kLine_buffer]) {\n string = this[kLine_buffer] + string;\n this[kLine_buffer] = null;\n newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n }\n this[kSawReturnAt] = StringPrototypeEndsWith.call(string, \"\\r\") ? DateNow() : 0;\n\n var indexes = [0, newPartContainsEnding.index, lineEnding.lastIndex];\n var nextMatch;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, string)) !== null) {\n ArrayPrototypePush.call(indexes, nextMatch.index, lineEnding.lastIndex);\n }\n var lastIndex = indexes.length - 1;\n // Either '' or (conceivably) the unfinished portion of the next line\n this[kLine_buffer] = StringPrototypeSlice.call(string, indexes[lastIndex]);\n for (var i = 1; i < lastIndex; i += 2) {\n this[kOnLine](StringPrototypeSlice.call(string, indexes[i - 1], indexes[i]));\n }\n } else if (string) {\n // No newlines this time, save what we have for next time\n if (this[kLine_buffer]) {\n this[kLine_buffer] += string;\n } else {\n this[kLine_buffer] = string;\n }\n }\n }\n\n [kInsertString](c) {\n this[kBeforeEdit](this.line, this.cursor);\n if (this.cursor < this.line.length) {\n var beg = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var end = StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.line = beg + c + end;\n this.cursor += c.length;\n this[kRefreshLine]();\n } else {\n var oldPos = this.getCursorPos();\n this.line += c;\n this.cursor += c.length;\n var newPos = this.getCursorPos();\n\n if (oldPos.rows < newPos.rows) {\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](c);\n }\n }\n }\n\n async [kTabComplete](lastKeypressWasTab) {\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var value;\n try {\n value = await this.completer(string);\n } catch (err) {\n this[kWriteToOutput](`Tab completion error: ${inspect(err)}`);\n return;\n } finally {\n this.resume();\n }\n this[kTabCompleter](lastKeypressWasTab, value);\n }\n\n [kTabCompleter](lastKeypressWasTab, { 0: completions, 1: completeOn }) {\n // Result and the text that was completed.\n\n if (!completions || completions.length === 0) {\n return;\n }\n\n // If there is a common prefix to all matches, then apply that portion.\n var prefix = commonPrefix(ArrayPrototypeFilter.call(completions, e => e !== \"\"));\n if (StringPrototypeStartsWith.call(prefix, completeOn) && prefix.length > completeOn.length) {\n this[kInsertString](StringPrototypeSlice.call(prefix, completeOn.length));\n return;\n } else if (!StringPrototypeStartsWith.call(completeOn, prefix)) {\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - completeOn.length) +\n prefix +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = this.cursor - completeOn.length + prefix.length;\n this._refreshLine();\n return;\n }\n\n if (!lastKeypressWasTab) {\n return;\n }\n\n this[kBeforeEdit](this.line, this.cursor);\n\n // Apply/show completions.\n var completionsWidth = ArrayPrototypeMap.call(completions, e => getStringWidth(e));\n var width = MathMaxApply(completionsWidth) + 2; // 2 space padding\n var maxColumns = MathFloor(this.columns / width) || 1;\n if (maxColumns === Infinity) {\n maxColumns = 1;\n }\n var output = \"\\r\\n\";\n var lineIndex = 0;\n var whitespace = 0;\n for (var i = 0; i < completions.length; i++) {\n var completion = completions[i];\n if (completion === \"\" || lineIndex === maxColumns) {\n output += \"\\r\\n\";\n lineIndex = 0;\n whitespace = 0;\n } else {\n output += StringPrototypeRepeat.call(\" \", whitespace);\n }\n if (completion !== \"\") {\n output += completion;\n whitespace = width - completionsWidth[i];\n lineIndex++;\n } else {\n output += \"\\r\\n\";\n }\n }\n if (lineIndex !== 0) {\n output += \"\\r\\n\\r\\n\";\n }\n this[kWriteToOutput](output);\n this[kRefreshLine]();\n }\n\n [kWordLeft]() {\n if (this.cursor > 0) {\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n this[kMoveCursor](-match[0].length);\n }\n }\n\n [kWordRight]() {\n if (this.cursor < this.line.length) {\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|[^\\w\\s]+|\\w+)\\s*/, trailing);\n this[kMoveCursor](match[0].length);\n }\n }\n\n [kDeleteLeft]() {\n if (this.cursor > 0 && this.line.length > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthLeft(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - charSize) +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n\n this.cursor -= charSize;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthAt(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) +\n StringPrototypeSlice.call(this.line, this.cursor + charSize, this.line.length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordLeft]() {\n if (this.cursor > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n leading = StringPrototypeSlice.call(leading, 0, leading.length - match[0].length);\n this.line = leading + StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = leading.length;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|\\W+|\\w+)\\s*/, trailing);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) + StringPrototypeSlice.call(trailing, match[0].length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteLineLeft]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, this.cursor);\n this.cursor = 0;\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kDeleteLineRight]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kPushToKillRing](del) {\n if (!del || del === this[kKillRing][0]) return;\n ArrayPrototypeUnshift.call(this[kKillRing], del);\n this[kKillRingCursor] = 0;\n while (this[kKillRing].length > kMaxLengthOfKillRing) ArrayPrototypePop.call(this[kKillRing]);\n }\n\n [kYank]() {\n if (this[kKillRing].length > 0) {\n this[kYanking] = true;\n this[kInsertString](this[kKillRing][this[kKillRingCursor]]);\n }\n }\n\n [kYankPop]() {\n if (!this[kYanking]) {\n return;\n }\n if (this[kKillRing].length > 1) {\n var lastYank = this[kKillRing][this[kKillRingCursor]];\n this[kKillRingCursor]++;\n if (this[kKillRingCursor] >= this[kKillRing].length) {\n this[kKillRingCursor] = 0;\n }\n var currentYank = this[kKillRing][this[kKillRingCursor]];\n var head = StringPrototypeSlice.call(this.line, 0, this.cursor - lastYank.length);\n var tail = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = head + currentYank + tail;\n this.cursor = head.length + currentYank.length;\n this[kRefreshLine]();\n }\n }\n\n clearLine() {\n this[kMoveCursor](+Infinity);\n this[kWriteToOutput](\"\\r\\n\");\n this.line = \"\";\n this.cursor = 0;\n this.prevRows = 0;\n }\n\n [kLine]() {\n var line = this[kAddHistory]();\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.clearLine();\n this[kOnLine](line);\n }\n\n [kPushToUndoStack](text, cursor) {\n if (ArrayPrototypePush.call(this[kUndoStack], { text, cursor }) > kMaxUndoRedoStackSize) {\n ArrayPrototypeShift.call(this[kUndoStack]);\n }\n }\n\n [kUndo]() {\n if (this[kUndoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kRedoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kUndoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kRedo]() {\n if (this[kRedoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kUndoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kRedoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kHistoryNext]() {\n if (this.historyIndex >= 0) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex - 1;\n while (\n index >= 0 &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index--;\n }\n if (index === -1) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n [kHistoryPrev]() {\n if (this.historyIndex < this.history.length && this.history.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex + 1;\n while (\n index < this.history.length &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index++;\n }\n if (index === this.history.length) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n // Returns the last character's display position of the given string\n [kGetDisplayPos](str) {\n var offset = 0;\n var col = this.columns;\n var rows = 0;\n str = stripVTControlCharacters(str);\n for (var char of new SafeStringIterator(str)) {\n if (char === \"\\n\") {\n // Rows must be incremented by 1 even if offset = 0 or col = +Infinity.\n rows += MathCeil(offset / col) || 1;\n offset = 0;\n continue;\n }\n // Tabs must be aligned by an offset of the tab size.\n if (char === \"\\t\") {\n offset += this.tabSize - (offset % this.tabSize);\n continue;\n }\n var width = getStringWidth(char, false /* stripVTControlCharacters */);\n if (width === 0 || width === 1) {\n offset += width;\n } else {\n // width === 2\n if ((offset + 1) % col === 0) {\n offset++;\n }\n offset += 2;\n }\n }\n var cols = offset % col;\n rows += (offset - cols) / col;\n return { cols, rows };\n }\n\n /**\n * Returns the real position of the cursor in relation\n * to the input prompt + string.\n * @returns {{\n * rows: number;\n * cols: number;\n * }}\n */\n getCursorPos() {\n var strBeforeCursor = this[kPrompt] + StringPrototypeSlice.call(this.line, 0, this.cursor);\n return this[kGetDisplayPos](strBeforeCursor);\n }\n\n // This function moves cursor dx places to the right\n // (-dx for left) and refreshes the line if it is needed.\n [kMoveCursor](dx) {\n if (dx === 0) {\n return;\n }\n var oldPos = this.getCursorPos();\n this.cursor += dx;\n\n // Bounds check\n if (this.cursor < 0) {\n this.cursor = 0;\n } else if (this.cursor > this.line.length) {\n this.cursor = this.line.length;\n }\n\n var newPos = this.getCursorPos();\n\n // Check if cursor stayed on the line.\n if (oldPos.rows === newPos.rows) {\n var diffWidth = newPos.cols - oldPos.cols;\n moveCursor(this.output, diffWidth, 0);\n } else {\n this[kRefreshLine]();\n }\n }\n\n // Handle a write from the tty\n [kTtyWrite](s, key) {\n var previousKey = this[kPreviousKey];\n key = key || kEmptyObject;\n this[kPreviousKey] = key;\n var { name: keyName, meta: keyMeta, ctrl: keyCtrl, shift: keyShift, sequence: keySeq } = key;\n\n if (!keyMeta || keyName !== \"y\") {\n // Reset yanking state unless we are doing yank pop.\n this[kYanking] = false;\n }\n\n // Activate or deactivate substring search.\n if ((keyName === \"up\" || keyName === \"down\") && !keyCtrl && !keyMeta && !keyShift) {\n if (this[kSubstringSearch] === null) {\n this[kSubstringSearch] = StringPrototypeSlice.call(this.line, 0, this.cursor);\n }\n } else if (this[kSubstringSearch] !== null) {\n this[kSubstringSearch] = null;\n // Reset the index in case there's no match.\n if (this.history.length === this.historyIndex) {\n this.historyIndex = -1;\n }\n }\n\n // Undo & Redo\n if (typeof keySeq === \"string\") {\n switch (StringPrototypeCodePointAt.call(keySeq, 0)) {\n case 0x1f:\n this[kUndo]();\n return;\n case 0x1e:\n this[kRedo]();\n return;\n default:\n break;\n }\n }\n\n // Ignore escape key, fixes\n // https://github.com/nodejs/node-v0.x-archive/issues/2876.\n if (keyName === \"escape\") return;\n\n if (keyCtrl && keyShift) {\n /* Control and shift pressed */\n switch (keyName) {\n // TODO(BridgeAR): The transmitted escape sequence is `\\b` and that is\n // identical to <ctrl>-h. It should have a unique escape sequence.\n case \"backspace\":\n this[kDeleteLineLeft]();\n break;\n\n case \"delete\":\n this[kDeleteLineRight]();\n break;\n }\n } else if (keyCtrl) {\n /* Control key pressed */\n\n switch (keyName) {\n case \"c\":\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n break;\n\n case \"h\": // delete left\n this[kDeleteLeft]();\n break;\n\n case \"d\": // delete right or EOF\n if (this.cursor === 0 && this.line.length === 0) {\n // This readline instance is finished\n this.close();\n } else if (this.cursor < this.line.length) {\n this[kDeleteRight]();\n }\n break;\n\n case \"u\": // Delete from current to start of line\n this[kDeleteLineLeft]();\n break;\n\n case \"k\": // Delete from current to end of line\n this[kDeleteLineRight]();\n break;\n\n case \"a\": // Go to the start of the line\n this[kMoveCursor](-Infinity);\n break;\n\n case \"e\": // Go to the end of the line\n this[kMoveCursor](+Infinity);\n break;\n\n case \"b\": // back one character\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"f\": // Forward one character\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"l\": // Clear the whole screen\n cursorTo(this.output, 0, 0);\n clearScreenDown(this.output);\n this[kRefreshLine]();\n break;\n\n case \"n\": // next history item\n this[kHistoryNext]();\n break;\n\n case \"p\": // Previous history item\n this[kHistoryPrev]();\n break;\n\n case \"y\": // Yank killed string\n this[kYank]();\n break;\n\n case \"z\":\n if (process.platform === \"win32\") break;\n if (this.listenerCount(\"SIGTSTP\") > 0) {\n this.emit(\"SIGTSTP\");\n } else {\n process.once(\"SIGCONT\", () => {\n // Don't raise events if stream has already been abandoned.\n if (!this.paused) {\n // Stream must be paused and resumed after SIGCONT to catch\n // SIGINT, SIGTSTP, and EOF.\n this.pause();\n this.emit(\"SIGCONT\");\n }\n // Explicitly re-enable \"raw mode\" and move the cursor to\n // the correct position.\n // See https://github.com/joyent/node/issues/3295.\n this[kSetRawMode](true);\n this[kRefreshLine]();\n });\n this[kSetRawMode](false);\n process.kill(process.pid, \"SIGTSTP\");\n }\n break;\n\n case \"w\": // Delete backwards to a word boundary\n case \"backspace\":\n this[kDeleteWordLeft]();\n break;\n\n case \"delete\": // Delete forward to a word boundary\n this[kDeleteWordRight]();\n break;\n\n case \"left\":\n this[kWordLeft]();\n break;\n\n case \"right\":\n this[kWordRight]();\n break;\n }\n } else if (keyMeta) {\n /* Meta key pressed */\n\n switch (keyName) {\n case \"b\": // backward word\n this[kWordLeft]();\n break;\n\n case \"f\": // forward word\n this[kWordRight]();\n break;\n\n case \"d\": // delete forward word\n case \"delete\":\n this[kDeleteWordRight]();\n break;\n\n case \"backspace\": // Delete backwards to a word boundary\n this[kDeleteWordLeft]();\n break;\n\n case \"y\": // Doing yank pop\n this[kYankPop]();\n break;\n }\n } else {\n /* No modifier keys used */\n\n // \\r bookkeeping is only relevant if a \\n comes right after.\n if (this[kSawReturnAt] && keyName !== \"enter\") this[kSawReturnAt] = 0;\n\n switch (keyName) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this[kLine]();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this[kLine]();\n }\n this[kSawReturnAt] = 0;\n break;\n\n case \"backspace\":\n this[kDeleteLeft]();\n break;\n\n case \"delete\":\n this[kDeleteRight]();\n break;\n\n case \"left\":\n // Obtain the code point to the left\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"right\":\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"home\":\n this[kMoveCursor](-Infinity);\n break;\n\n case \"end\":\n this[kMoveCursor](+Infinity);\n break;\n\n case \"up\":\n this[kHistoryPrev]();\n break;\n\n case \"down\":\n this[kHistoryNext]();\n break;\n\n case \"tab\":\n // If tab completion enabled, do that...\n if (typeof this.completer === \"function\" && this.isCompletionEnabled) {\n var lastKeypressWasTab = previousKey && previousKey.name === \"tab\";\n this[kTabComplete](lastKeypressWasTab);\n break;\n }\n // falls through\n default:\n if (typeof s === \"string\" && s) {\n var nextMatch = RegExpPrototypeExec.call(lineEnding, s);\n if (nextMatch !== null) {\n this[kInsertString](StringPrototypeSlice.call(s, 0, nextMatch.index));\n var { lastIndex } = lineEnding;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, s)) !== null) {\n this[kLine]();\n this[kInsertString](StringPrototypeSlice.call(s, lastIndex, nextMatch.index));\n ({ lastIndex } = lineEnding);\n }\n if (lastIndex === s.length) this[kLine]();\n } else {\n this[kInsertString](s);\n }\n }\n }\n }\n }\n\n /**\n * Creates an `AsyncIterator` object that iterates through\n * each line in the input stream as a string.\n * @typedef {{\n * [Symbol.asyncIterator]: () => InterfaceAsyncIterator,\n * next: () => Promise<string>\n * }} InterfaceAsyncIterator\n * @returns {InterfaceAsyncIterator}\n */\n [SymbolAsyncIterator]() {\n if (this[kLineObjectStream] === undefined) {\n this[kLineObjectStream] = EventEmitter.on(this, \"line\", {\n close: [\"close\"],\n highWatermark: 1024,\n [kFirstEventParam]: true,\n });\n }\n return this[kLineObjectStream];\n }\n};\n\nfunction Interface(input, output, completer, terminal) {\n if (!(this instanceof Interface)) {\n return new Interface(input, output, completer, terminal);\n }\n\n if (input?.input && typeof input.completer === \"function\" && input.completer.length !== 2) {\n var { completer } = input;\n input.completer = (v, cb) => cb(null, completer(v));\n } else if (typeof completer === \"function\" && completer.length !== 2) {\n var realCompleter = completer;\n completer = (v, cb) => cb(null, realCompleter(v));\n }\n\n InterfaceConstructor.call(this, input, output, completer, terminal);\n\n // TODO: Test this\n if (process.env.TERM === \"dumb\") {\n this._ttyWrite = _ttyWriteDumb.bind(this);\n }\n}\n\nObjectSetPrototypeOf(Interface.prototype, _Interface.prototype);\nObjectSetPrototypeOf(Interface, _Interface);\n\n/**\n * Displays `query` by writing it to the `output`.\n * @param {string} query\n * @param {{ signal?: AbortSignal; }} [options]\n * @param {Function} cb\n * @returns {void}\n */\nInterface.prototype.question = function question(query, options, cb) {\n cb = typeof options === \"function\" ? options : cb;\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return;\n }\n\n var onAbort = () => {\n this[kQuestionCancel]();\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n var cleanup = () => {\n signal.removeEventListener(\"abort\", onAbort);\n };\n var originalCb = cb;\n cb =\n typeof cb === \"function\"\n ? answer => {\n cleanup();\n return originalCb(answer);\n }\n : cleanup;\n }\n\n if (typeof cb === \"function\") {\n this[kQuestion](query, cb);\n }\n};\n\nInterface.prototype.question[promisify.custom] = function question(query, options) {\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n\n if (signal && signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (signal) {\n var onAbort = () => {\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this.question(query, options, cb);\n });\n};\n\n/**\n * Creates a new `readline.Interface` instance.\n * @param {Readable | {\n * input: Readable;\n * output: Writable;\n * completer?: Function;\n * terminal?: boolean;\n * history?: string[];\n * historySize?: number;\n * removeHistoryDuplicates?: boolean;\n * prompt?: string;\n * crlfDelay?: number;\n * escapeCodeTimeout?: number;\n * tabSize?: number;\n * signal?: AbortSignal;\n * }} input\n * @param {Writable} [output]\n * @param {Function} [completer]\n * @param {boolean} [terminal]\n * @returns {Interface}\n */\nfunction createInterface(input, output, completer, terminal) {\n return new Interface(input, output, completer, terminal);\n}\n\nObjectDefineProperties(Interface.prototype, {\n // Redirect internal prototype methods to the underscore notation for backward\n // compatibility.\n [kSetRawMode]: {\n __proto__: null,\n get() {\n return this._setRawMode;\n },\n },\n [kOnLine]: {\n __proto__: null,\n get() {\n return this._onLine;\n },\n },\n [kWriteToOutput]: {\n __proto__: null,\n get() {\n return this._writeToOutput;\n },\n },\n [kAddHistory]: {\n __proto__: null,\n get() {\n return this._addHistory;\n },\n },\n [kRefreshLine]: {\n __proto__: null,\n get() {\n return this._refreshLine;\n },\n },\n [kNormalWrite]: {\n __proto__: null,\n get() {\n return this._normalWrite;\n },\n },\n [kInsertString]: {\n __proto__: null,\n get() {\n return this._insertString;\n },\n },\n [kTabComplete]: {\n __proto__: null,\n get() {\n return this._tabComplete;\n },\n },\n [kWordLeft]: {\n __proto__: null,\n get() {\n return this._wordLeft;\n },\n },\n [kWordRight]: {\n __proto__: null,\n get() {\n return this._wordRight;\n },\n },\n [kDeleteLeft]: {\n __proto__: null,\n get() {\n return this._deleteLeft;\n },\n },\n [kDeleteRight]: {\n __proto__: null,\n get() {\n return this._deleteRight;\n },\n },\n [kDeleteWordLeft]: {\n __proto__: null,\n get() {\n return this._deleteWordLeft;\n },\n },\n [kDeleteWordRight]: {\n __proto__: null,\n get() {\n return this._deleteWordRight;\n },\n },\n [kDeleteLineLeft]: {\n __proto__: null,\n get() {\n return this._deleteLineLeft;\n },\n },\n [kDeleteLineRight]: {\n __proto__: null,\n get() {\n return this._deleteLineRight;\n },\n },\n [kLine]: {\n __proto__: null,\n get() {\n return this._line;\n },\n },\n [kHistoryNext]: {\n __proto__: null,\n get() {\n return this._historyNext;\n },\n },\n [kHistoryPrev]: {\n __proto__: null,\n get() {\n return this._historyPrev;\n },\n },\n [kGetDisplayPos]: {\n __proto__: null,\n get() {\n return this._getDisplayPos;\n },\n },\n [kMoveCursor]: {\n __proto__: null,\n get() {\n return this._moveCursor;\n },\n },\n [kTtyWrite]: {\n __proto__: null,\n get() {\n return this._ttyWrite;\n },\n },\n\n // Defining proxies for the internal instance properties for backward\n // compatibility.\n _decoder: {\n __proto__: null,\n get() {\n return this[kDecoder];\n },\n set(value) {\n this[kDecoder] = value;\n },\n },\n _line_buffer: {\n __proto__: null,\n get() {\n return this[kLine_buffer];\n },\n set(value) {\n this[kLine_buffer] = value;\n },\n },\n _oldPrompt: {\n __proto__: null,\n get() {\n return this[kOldPrompt];\n },\n set(value) {\n this[kOldPrompt] = value;\n },\n },\n _previousKey: {\n __proto__: null,\n get() {\n return this[kPreviousKey];\n },\n set(value) {\n this[kPreviousKey] = value;\n },\n },\n _prompt: {\n __proto__: null,\n get() {\n return this[kPrompt];\n },\n set(value) {\n this[kPrompt] = value;\n },\n },\n _questionCallback: {\n __proto__: null,\n get() {\n return this[kQuestionCallback];\n },\n set(value) {\n this[kQuestionCallback] = value;\n },\n },\n _sawKeyPress: {\n __proto__: null,\n get() {\n return this[kSawKeyPress];\n },\n set(value) {\n this[kSawKeyPress] = value;\n },\n },\n _sawReturnAt: {\n __proto__: null,\n get() {\n return this[kSawReturnAt];\n },\n set(value) {\n this[kSawReturnAt] = value;\n },\n },\n});\n\n// Make internal methods public for backward compatibility.\nInterface.prototype._setRawMode = _Interface.prototype[kSetRawMode];\nInterface.prototype._onLine = _Interface.prototype[kOnLine];\nInterface.prototype._writeToOutput = _Interface.prototype[kWriteToOutput];\nInterface.prototype._addHistory = _Interface.prototype[kAddHistory];\nInterface.prototype._refreshLine = _Interface.prototype[kRefreshLine];\nInterface.prototype._normalWrite = _Interface.prototype[kNormalWrite];\nInterface.prototype._insertString = _Interface.prototype[kInsertString];\nInterface.prototype._tabComplete = function (lastKeypressWasTab) {\n // Overriding parent method because `this.completer` in the legacy\n // implementation takes a callback instead of being an async function.\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.completer(string, (err, value) => {\n this.resume();\n\n if (err) {\n this._writeToOutput(`Tab completion error: ${inspect(err)}`);\n return;\n }\n\n this[kTabCompleter](lastKeypressWasTab, value);\n });\n};\nInterface.prototype._wordLeft = _Interface.prototype[kWordLeft];\nInterface.prototype._wordRight = _Interface.prototype[kWordRight];\nInterface.prototype._deleteLeft = _Interface.prototype[kDeleteLeft];\nInterface.prototype._deleteRight = _Interface.prototype[kDeleteRight];\nInterface.prototype._deleteWordLeft = _Interface.prototype[kDeleteWordLeft];\nInterface.prototype._deleteWordRight = _Interface.prototype[kDeleteWordRight];\nInterface.prototype._deleteLineLeft = _Interface.prototype[kDeleteLineLeft];\nInterface.prototype._deleteLineRight = _Interface.prototype[kDeleteLineRight];\nInterface.prototype._line = _Interface.prototype[kLine];\nInterface.prototype._historyNext = _Interface.prototype[kHistoryNext];\nInterface.prototype._historyPrev = _Interface.prototype[kHistoryPrev];\nInterface.prototype._getDisplayPos = _Interface.prototype[kGetDisplayPos];\nInterface.prototype._getCursorPos = _Interface.prototype.getCursorPos;\nInterface.prototype._moveCursor = _Interface.prototype[kMoveCursor];\nInterface.prototype._ttyWrite = _Interface.prototype[kTtyWrite];\n\nfunction _ttyWriteDumb(s, key) {\n key = key || kEmptyObject;\n\n if (key.name === \"escape\") return;\n\n if (this[kSawReturnAt] && key.name !== \"enter\") this[kSawReturnAt] = 0;\n\n if (keyCtrl) {\n if (key.name === \"c\") {\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n\n return;\n } else if (key.name === \"d\") {\n this.close();\n return;\n }\n }\n\n switch (key.name) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this._line();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this._line();\n }\n this[kSawReturnAt] = 0;\n break;\n\n default:\n if (typeof s === \"string\" && s) {\n this.line += s;\n this.cursor += s.length;\n this._writeToOutput(s);\n }\n }\n}\n\nclass Readline {\n #autoCommit = false;\n #stream;\n #todo = [];\n\n constructor(stream, options = undefined) {\n isWritable ??= import.meta.require(\"node:stream\").isWritable;\n if (!isWritable(stream)) throw new ERR_INVALID_ARG_TYPE(\"stream\", \"Writable\", stream);\n this.#stream = stream;\n if (options?.autoCommit != null) {\n validateBoolean(options.autoCommit, \"options.autoCommit\");\n this.#autoCommit = options.autoCommit;\n }\n }\n\n /**\n * Moves the cursor to the x and y coordinate on the given stream.\n * @param {integer} x\n * @param {integer} [y]\n * @returns {Readline} this\n */\n cursorTo(x, y = undefined) {\n validateInteger(x, \"x\");\n if (y != null) validateInteger(y, \"y\");\n\n var data = y == null ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n\n return this;\n }\n\n /**\n * Moves the cursor relative to its current location.\n * @param {integer} dx\n * @param {integer} dy\n * @returns {Readline} this\n */\n moveCursor(dx, dy) {\n if (dx || dy) {\n validateInteger(dx, \"dx\");\n validateInteger(dy, \"dy\");\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n }\n return this;\n }\n\n /**\n * Clears the current line the cursor is on.\n * @param {-1|0|1} dir Direction to clear:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n * @returns {Readline} this\n */\n clearLine(dir) {\n validateInteger(dir, \"dir\", -1, 1);\n\n var data = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n return this;\n }\n\n /**\n * Clears the screen from the current position of the cursor down.\n * @returns {Readline} this\n */\n clearScreenDown() {\n if (this.#autoCommit) {\n process.nextTick(() => this.#stream.write(kClearScreenDown));\n } else {\n ArrayPrototypePush.call(this.#todo, kClearScreenDown);\n }\n return this;\n }\n\n /**\n * Sends all the pending actions to the associated `stream` and clears the\n * internal list of pending actions.\n * @returns {Promise<void>} Resolves when all pending actions have been\n * flushed to the associated `stream`.\n */\n commit() {\n return new Promise(resolve => {\n this.#stream.write(ArrayPrototypeJoin.call(this.#todo, \"\"), resolve);\n this.#todo = [];\n });\n }\n\n /**\n * Clears the internal list of pending actions without sending it to the\n * associated `stream`.\n * @returns {Readline} this\n */\n rollback() {\n this.#todo = [];\n return this;\n }\n}\n\nvar PromisesInterface = class Interface extends _Interface {\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n question(query, options = kEmptyObject) {\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n }\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (options?.signal) {\n var onAbort = () => {\n this[kQuestionCancel]();\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this[kQuestion](query, cb);\n });\n }\n};\n\n// ----------------------------------------------------------------------------\n// Exports\n// ----------------------------------------------------------------------------\nexport var Interface = Interface;\nexport var clearLine = clearLine;\nexport var clearScreenDown = clearScreenDown;\nexport var createInterface = createInterface;\nexport var cursorTo = cursorTo;\nexport var emitKeypressEvents = emitKeypressEvents;\nexport var moveCursor = moveCursor;\nexport var promises = {\n Readline,\n Interface: PromisesInterface,\n createInterface(input, output, completer, terminal) {\n return new PromisesInterface(input, output, completer, terminal);\n },\n};\n\nexport default {\n Interface,\n clearLine,\n clearScreenDown,\n createInterface,\n cursorTo,\n emitKeypressEvents,\n moveCursor,\n promises,\n\n [SymbolFor(\"__BUN_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED__\")]: {\n CSI,\n utils: {\n getStringWidth,\n stripVTControlCharacters,\n },\n },\n [SymbolFor(\"CommonJS\")]: 0,\n};\n", - "// Hardcoded module \"node:readline\"\n// Attribution: Some parts of of this module are derived from code originating from the Node.js\n// readline module which is licensed under an MIT license:\n//\n// Copyright Node.js contributors. All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n// IN THE SOFTWARE.\n\n// ----------------------------------------------------------------------------\n// Section: Imports\n// ----------------------------------------------------------------------------\nvar { Array, RegExp, String, Bun } = import.meta.primordials;\nvar EventEmitter = import.meta.require(\"node:events\");\nvar { clearTimeout, setTimeout } = import.meta.require(\"timers\");\nvar { StringDecoder } = import.meta.require(\"string_decoder\");\nvar isWritable;\n\nvar { inspect } = Bun;\nvar debug = process.env.BUN_JS_DEBUG ? console.log : () => {};\n\n// ----------------------------------------------------------------------------\n// Section: Preamble\n// ----------------------------------------------------------------------------\n\nvar SymbolAsyncIterator = Symbol.asyncIterator;\nvar SymbolIterator = Symbol.iterator;\nvar SymbolFor = Symbol.for;\nvar SymbolReplace = Symbol.replace;\nvar ArrayFrom = Array.from;\nvar ArrayIsArray = Array.isArray;\nvar ArrayPrototypeFilter = Array.prototype.filter;\nvar ArrayPrototypeSort = Array.prototype.sort;\nvar ArrayPrototypeIndexOf = Array.prototype.indexOf;\nvar ArrayPrototypeJoin = Array.prototype.join;\nvar ArrayPrototypeMap = Array.prototype.map;\nvar ArrayPrototypePop = Array.prototype.pop;\nvar ArrayPrototypePush = Array.prototype.push;\nvar ArrayPrototypeSlice = Array.prototype.slice;\nvar ArrayPrototypeSplice = Array.prototype.splice;\nvar ArrayPrototypeReverse = Array.prototype.reverse;\nvar ArrayPrototypeShift = Array.prototype.shift;\nvar ArrayPrototypeUnshift = Array.prototype.unshift;\nvar RegExpPrototypeExec = RegExp.prototype.exec;\nvar RegExpPrototypeSymbolReplace = RegExp.prototype[SymbolReplace];\nvar StringFromCharCode = String.fromCharCode;\nvar StringPrototypeCharCodeAt = String.prototype.charCodeAt;\nvar StringPrototypeCodePointAt = String.prototype.codePointAt;\nvar StringPrototypeSlice = String.prototype.slice;\nvar StringPrototypeToLowerCase = String.prototype.toLowerCase;\nvar StringPrototypeEndsWith = String.prototype.endsWith;\nvar StringPrototypeRepeat = String.prototype.repeat;\nvar StringPrototypeStartsWith = String.prototype.startsWith;\nvar StringPrototypeTrim = String.prototype.trim;\nvar StringPrototypeNormalize = String.prototype.normalize;\nvar NumberIsNaN = Number.isNaN;\nvar NumberIsFinite = Number.isFinite;\nvar NumberIsInteger = Number.isInteger;\nvar NumberMAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;\nvar NumberMIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER;\nvar MathCeil = Math.ceil;\nvar MathFloor = Math.floor;\nvar MathMax = Math.max;\nvar MathMaxApply = Math.max.apply;\nvar DateNow = Date.now;\nvar FunctionPrototype = Function.prototype;\nvar StringPrototype = String.prototype;\nvar StringPrototypeSymbolIterator = StringPrototype[SymbolIterator];\nvar StringIteratorPrototypeNext = StringPrototypeSymbolIterator.call(\"\").next;\nvar ObjectSetPrototypeOf = Object.setPrototypeOf;\nvar ObjectDefineProperty = Object.defineProperty;\nvar ObjectDefineProperties = Object.defineProperties;\nvar ObjectFreeze = Object.freeze;\nvar ObjectAssign = Object.assign;\nvar ObjectCreate = Object.create;\nvar ObjectKeys = Object.keys;\nvar ObjectSeal = Object.seal;\n\nvar createSafeIterator = (factory, next) => {\n class SafeIterator {\n #iterator;\n constructor(iterable) {\n this.#iterator = factory.call(iterable);\n }\n next() {\n return next.call(this.#iterator);\n }\n [SymbolIterator]() {\n return this;\n }\n }\n ObjectSetPrototypeOf(SafeIterator.prototype, null);\n ObjectFreeze(SafeIterator.prototype);\n ObjectFreeze(SafeIterator);\n return SafeIterator;\n};\n\nvar SafeStringIterator = createSafeIterator(StringPrototypeSymbolIterator, StringIteratorPrototypeNext);\n\n// ----------------------------------------------------------------------------\n// Section: \"Internal\" modules\n// ----------------------------------------------------------------------------\n\n/**\n * Returns true if the character represented by a given\n * Unicode code point is full-width. Otherwise returns false.\n */\nvar isFullWidthCodePoint = code => {\n // Code points are partially derived from:\n // https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt\n return (\n code >= 0x1100 &&\n (code <= 0x115f || // Hangul Jamo\n code === 0x2329 || // LEFT-POINTING ANGLE BRACKET\n code === 0x232a || // RIGHT-POINTING ANGLE BRACKET\n // CJK Radicals Supplement .. Enclosed CJK Letters and Months\n (code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||\n // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A\n (code >= 0x3250 && code <= 0x4dbf) ||\n // CJK Unified Ideographs .. Yi Radicals\n (code >= 0x4e00 && code <= 0xa4c6) ||\n // Hangul Jamo Extended-A\n (code >= 0xa960 && code <= 0xa97c) ||\n // Hangul Syllables\n (code >= 0xac00 && code <= 0xd7a3) ||\n // CJK Compatibility Ideographs\n (code >= 0xf900 && code <= 0xfaff) ||\n // Vertical Forms\n (code >= 0xfe10 && code <= 0xfe19) ||\n // CJK Compatibility Forms .. Small Form Variants\n (code >= 0xfe30 && code <= 0xfe6b) ||\n // Halfwidth and Fullwidth Forms\n (code >= 0xff01 && code <= 0xff60) ||\n (code >= 0xffe0 && code <= 0xffe6) ||\n // Kana Supplement\n (code >= 0x1b000 && code <= 0x1b001) ||\n // Enclosed Ideographic Supplement\n (code >= 0x1f200 && code <= 0x1f251) ||\n // Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff\n // Emoticons 0x1f600 - 0x1f64f\n (code >= 0x1f300 && code <= 0x1f64f) ||\n // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane\n (code >= 0x20000 && code <= 0x3fffd))\n );\n};\n\nvar isZeroWidthCodePoint = code => {\n return (\n code <= 0x1f || // C0 control codes\n (code >= 0x7f && code <= 0x9f) || // C1 control codes\n (code >= 0x300 && code <= 0x36f) || // Combining Diacritical Marks\n (code >= 0x200b && code <= 0x200f) || // Modifying Invisible Characters\n // Combining Diacritical Marks for Symbols\n (code >= 0x20d0 && code <= 0x20ff) ||\n (code >= 0xfe00 && code <= 0xfe0f) || // Variation Selectors\n (code >= 0xfe20 && code <= 0xfe2f) || // Combining Half Marks\n (code >= 0xe0100 && code <= 0xe01ef)\n ); // Variation Selectors\n};\n\n/**\n * Returns the number of columns required to display the given string.\n */\nvar getStringWidth = function getStringWidth(str, removeControlChars = true) {\n var width = 0;\n\n if (removeControlChars) str = stripVTControlCharacters(str);\n str = StringPrototypeNormalize.call(str, \"NFC\");\n for (var char of new SafeStringIterator(str)) {\n var code = StringPrototypeCodePointAt.call(char, 0);\n if (isFullWidthCodePoint(code)) {\n width += 2;\n } else if (!isZeroWidthCodePoint(code)) {\n width++;\n }\n }\n\n return width;\n};\n\n// Regex used for ansi escape code splitting\n// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js\n// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore\n// Matches all ansi escape code sequences in a string\nvar ansiPattern =\n \"[\\\\u001B\\\\u009B][[\\\\]()#;?]*\" +\n \"(?:(?:(?:(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]+)*\" +\n \"|[a-zA-Z\\\\d]+(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]*)*)?\\\\u0007)\" +\n \"|(?:(?:\\\\d{1,4}(?:;\\\\d{0,4})*)?[\\\\dA-PR-TZcf-ntqry=><~]))\";\nvar ansi = new RegExp(ansiPattern, \"g\");\n\n/**\n * Remove all VT control characters. Use to estimate displayed string width.\n */\nfunction stripVTControlCharacters(str) {\n validateString(str, \"str\");\n return RegExpPrototypeSymbolReplace.call(ansi, str, \"\");\n}\n\n// Promisify\n\nvar kCustomPromisifiedSymbol = SymbolFor(\"nodejs.util.promisify.custom\");\nvar kCustomPromisifyArgsSymbol = Symbol(\"customPromisifyArgs\");\n\nfunction promisify(original) {\n validateFunction(original, \"original\");\n\n if (original[kCustomPromisifiedSymbol]) {\n var fn = original[kCustomPromisifiedSymbol];\n\n validateFunction(fn, \"util.promisify.custom\");\n\n return ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n }\n\n // Names to create an object from in case the callback receives multiple\n // arguments, e.g. ['bytesRead', 'buffer'] for fs.read.\n var argumentNames = original[kCustomPromisifyArgsSymbol];\n\n function fn(...args) {\n return new Promise((resolve, reject) => {\n ArrayPrototypePush.call(args, (err, ...values) => {\n if (err) {\n return reject(err);\n }\n if (argumentNames !== undefined && values.length > 1) {\n var obj = {};\n for (var i = 0; i < argumentNames.length; i++) obj[argumentNames[i]] = values[i];\n resolve(obj);\n } else {\n resolve(values[0]);\n }\n });\n ReflectApply(original, this, args);\n });\n }\n\n ObjectSetPrototypeOf(fn, ObjectGetPrototypeOf(original));\n\n ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n\n var descriptors = ObjectGetOwnPropertyDescriptors(original);\n var propertiesValues = ObjectValues(descriptors);\n for (var i = 0; i < propertiesValues.length; i++) {\n // We want to use null-prototype objects to not rely on globally mutable\n // %Object.prototype%.\n ObjectSetPrototypeOf(propertiesValues[i], null);\n }\n return ObjectDefineProperties(fn, descriptors);\n}\n\npromisify.custom = kCustomPromisifiedSymbol;\n\n// Constants\n\nvar kUTF16SurrogateThreshold = 0x10000; // 2 ** 16\nvar kEscape = \"\\x1b\";\nvar kSubstringSearch = Symbol(\"kSubstringSearch\");\n\nvar kIsNodeError = Symbol(\"kIsNodeError\");\n\n// Errors\nvar errorBases = {};\nvar VALID_NODE_ERROR_BASES = {\n TypeError,\n RangeError,\n Error,\n};\n\nfunction getNodeErrorByName(typeName) {\n var base = errorBases[typeName];\n if (base) {\n return base;\n }\n if (!ObjectKeys(VALID_NODE_ERROR_BASES).includes(typeName)) {\n throw new Error(\"Invalid NodeError type\");\n }\n\n var Base = VALID_NODE_ERROR_BASES[typeName];\n\n class NodeError extends Base {\n [kIsNodeError] = true;\n code;\n constructor(msg, opts) {\n super(msg, opts);\n this.code = opts?.code || \"ERR_GENERIC\";\n }\n\n toString() {\n return `${this.name} [${this.code}]: ${this.message}`;\n }\n }\n errorBases[typeName] = NodeError;\n return NodeError;\n}\n\nvar NodeError = getNodeErrorByName(\"Error\");\nvar NodeTypeError = getNodeErrorByName(\"TypeError\");\nvar NodeRangeError = getNodeErrorByName(\"RangeError\");\n\nclass ERR_INVALID_ARG_TYPE extends NodeTypeError {\n constructor(name, type, value) {\n super(`The \"${name}\" argument must be of type ${type}. Received type ${typeof value}`, {\n code: \"ERR_INVALID_ARG_TYPE\",\n });\n }\n}\n\nclass ERR_INVALID_ARG_VALUE extends NodeTypeError {\n constructor(name, value, reason = \"not specified\") {\n super(`The value \"${String(value)}\" is invalid for argument '${name}'. Reason: ${reason}`, {\n code: \"ERR_INVALID_ARG_VALUE\",\n });\n }\n}\n\nclass ERR_INVALID_CURSOR_POS extends NodeTypeError {\n constructor() {\n super(\"Cannot set cursor row without setting its column\", {\n code: \"ERR_INVALID_CURSOR_POS\",\n });\n }\n}\n\nclass ERR_OUT_OF_RANGE extends NodeRangeError {\n constructor(name, range, received) {\n super(`The value of \"${name}\" is out of range. It must be ${range}. Received ${received}`, {\n code: \"ERR_OUT_OF_RANGE\",\n });\n }\n}\n\nclass ERR_USE_AFTER_CLOSE extends NodeError {\n constructor() {\n super(\"This socket has been ended by the other party\", {\n code: \"ERR_USE_AFTER_CLOSE\",\n });\n }\n}\n\nclass AbortError extends Error {\n code;\n constructor() {\n super(\"The operation was aborted\");\n this.code = \"ABORT_ERR\";\n }\n}\n\n// Validators\n\n/**\n * @callback validateFunction\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is Function}\n */\nfunction validateFunction(value, name) {\n if (typeof value !== \"function\") throw new ERR_INVALID_ARG_TYPE(name, \"Function\", value);\n}\n\n/**\n * @callback validateAbortSignal\n * @param {*} signal\n * @param {string} name\n */\nfunction validateAbortSignal(signal, name) {\n if (signal !== undefined && (signal === null || typeof signal !== \"object\" || !(\"aborted\" in signal))) {\n throw new ERR_INVALID_ARG_TYPE(name, \"AbortSignal\", signal);\n }\n}\n\n/**\n * @callback validateArray\n * @param {*} value\n * @param {string} name\n * @param {number} [minLength]\n * @returns {asserts value is any[]}\n */\nfunction validateArray(value, name, minLength = 0) {\n // var validateArray = hideStackFrames((value, name, minLength = 0) => {\n if (!ArrayIsArray(value)) {\n throw new ERR_INVALID_ARG_TYPE(name, \"Array\", value);\n }\n if (value.length < minLength) {\n var reason = `must be longer than ${minLength}`;\n throw new ERR_INVALID_ARG_VALUE(name, value, reason);\n }\n}\n\n/**\n * @callback validateString\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is string}\n */\nfunction validateString(value, name) {\n if (typeof value !== \"string\") throw new ERR_INVALID_ARG_TYPE(name, \"string\", value);\n}\n\n/**\n * @callback validateBoolean\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is boolean}\n */\nfunction validateBoolean(value, name) {\n if (typeof value !== \"boolean\") throw new ERR_INVALID_ARG_TYPE(name, \"boolean\", value);\n}\n\n/**\n * @callback validateObject\n * @param {*} value\n * @param {string} name\n * @param {{\n * allowArray?: boolean,\n * allowFunction?: boolean,\n * nullable?: boolean\n * }} [options]\n */\nfunction validateObject(value, name, options = null) {\n // var validateObject = hideStackFrames((value, name, options = null) => {\n var allowArray = options?.allowArray ?? false;\n var allowFunction = options?.allowFunction ?? false;\n var nullable = options?.nullable ?? false;\n if (\n (!nullable && value === null) ||\n (!allowArray && ArrayIsArray.call(value)) ||\n (typeof value !== \"object\" && (!allowFunction || typeof value !== \"function\"))\n ) {\n throw new ERR_INVALID_ARG_TYPE(name, \"object\", value);\n }\n}\n\n/**\n * @callback validateInteger\n * @param {*} value\n * @param {string} name\n * @param {number} [min]\n * @param {number} [max]\n * @returns {asserts value is number}\n */\nfunction validateInteger(value, name, min = NumberMIN_SAFE_INTEGER, max = NumberMAX_SAFE_INTEGER) {\n if (typeof value !== \"number\") throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n if (!NumberIsInteger(value)) throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n if (value < min || value > max) throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n}\n\n/**\n * @callback validateUint32\n * @param {*} value\n * @param {string} name\n * @param {number|boolean} [positive=false]\n * @returns {asserts value is number}\n */\nfunction validateUint32(value, name, positive = false) {\n if (typeof value !== \"number\") {\n throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n }\n\n if (!NumberIsInteger(value)) {\n throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n }\n\n var min = positive ? 1 : 0; // 2 ** 32 === 4294967296\n var max = 4_294_967_295;\n\n if (value < min || value > max) {\n throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Utils\n// ----------------------------------------------------------------------------\n\nfunction CSI(strings, ...args) {\n var ret = `${kEscape}[`;\n for (var n = 0; n < strings.length; n++) {\n ret += strings[n];\n if (n < args.length) ret += args[n];\n }\n return ret;\n}\n\nvar kClearLine, kClearScreenDown, kClearToLineBeginning, kClearToLineEnd;\n\nCSI.kEscape = kEscape;\nCSI.kClearLine = kClearLine = CSI`2K`;\nCSI.kClearScreenDown = kClearScreenDown = CSI`0J`;\nCSI.kClearToLineBeginning = kClearToLineBeginning = CSI`1K`;\nCSI.kClearToLineEnd = kClearToLineEnd = CSI`0K`;\n\nfunction charLengthLeft(str, i) {\n if (i <= 0) return 0;\n if (\n (i > 1 && StringPrototypeCodePointAt.call(str, i - 2) >= kUTF16SurrogateThreshold) ||\n StringPrototypeCodePointAt.call(str, i - 1) >= kUTF16SurrogateThreshold\n ) {\n return 2;\n }\n return 1;\n}\n\nfunction charLengthAt(str, i) {\n if (str.length <= i) {\n // Pretend to move to the right. This is necessary to autocomplete while\n // moving to the right.\n return 1;\n }\n return StringPrototypeCodePointAt.call(str, i) >= kUTF16SurrogateThreshold ? 2 : 1;\n}\n\n/*\n Some patterns seen in terminal key escape codes, derived from combos seen\n at http://www.midnight-commander.org/browser/lib/tty/key.c\n ESC letter\n ESC [ letter\n ESC [ modifier letter\n ESC [ 1 ; modifier letter\n ESC [ num char\n ESC [ num ; modifier char\n ESC O letter\n ESC O modifier letter\n ESC O 1 ; modifier letter\n ESC N letter\n ESC [ [ num ; modifier char\n ESC [ [ 1 ; modifier letter\n ESC ESC [ num char\n ESC ESC O letter\n - char is usually ~ but $ and ^ also happen with rxvt\n - modifier is 1 +\n (shift * 1) +\n (left_alt * 2) +\n (ctrl * 4) +\n (right_alt * 8)\n - two leading ESCs apparently mean the same as one leading ESC\n*/\nfunction* emitKeys(stream) {\n while (true) {\n var ch = yield;\n var s = ch;\n var escaped = false;\n\n var keySeq = null;\n var keyName;\n var keyCtrl = false;\n var keyMeta = false;\n var keyShift = false;\n\n // var key = {\n // sequence: null,\n // name: undefined,\n // ctrl: false,\n // meta: false,\n // shift: false,\n // };\n\n if (ch === kEscape) {\n escaped = true;\n s += ch = yield;\n\n if (ch === kEscape) {\n s += ch = yield;\n }\n }\n\n if (escaped && (ch === \"O\" || ch === \"[\")) {\n // ANSI escape sequence\n var code = ch;\n var modifier = 0;\n\n if (ch === \"O\") {\n // ESC O letter\n // ESC O modifier letter\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n modifier = (ch >> 0) - 1;\n s += ch = yield;\n }\n\n code += ch;\n } else if (ch === \"[\") {\n // ESC [ letter\n // ESC [ modifier letter\n // ESC [ [ modifier letter\n // ESC [ [ num char\n s += ch = yield;\n\n if (ch === \"[\") {\n // \\x1b[[A\n // ^--- escape codes might have a second bracket\n code += ch;\n s += ch = yield;\n }\n\n /*\n * Here and later we try to buffer just enough data to get\n * a complete ascii sequence.\n *\n * We have basically two classes of ascii characters to process:\n *\n *\n * 1. `\\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 }\n *\n * This particular example is featuring Ctrl+F12 in xterm.\n *\n * - `;5` part is optional, e.g. it could be `\\x1b[24~`\n * - first part can contain one or two digits\n *\n * So the generic regexp is like /^\\d\\d?(;\\d)?[~^$]$/\n *\n *\n * 2. `\\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 }\n *\n * This particular example is featuring Ctrl+Home in xterm.\n *\n * - `1;5` part is optional, e.g. it could be `\\x1b[H`\n * - `1;` part is optional, e.g. it could be `\\x1b[5H`\n *\n * So the generic regexp is like /^((\\d;)?\\d)?[A-Za-z]$/\n *\n */\n var cmdStart = s.length - 1;\n\n // Skip one or two leading digits\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n }\n }\n\n // skip modifier\n if (ch === \";\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += yield;\n }\n }\n\n /*\n * We buffered enough data, now trying to extract code\n * and modifier from it\n */\n var cmd = StringPrototypeSlice.call(s, cmdStart);\n var match;\n\n if ((match = RegExpPrototypeExec.call(/^(\\d\\d?)(;(\\d))?([~^$])$/, cmd))) {\n code += match[1] + match[4];\n modifier = (match[3] || 1) - 1;\n } else if ((match = RegExpPrototypeExec.call(/^((\\d;)?(\\d))?([A-Za-z])$/, cmd))) {\n code += match[4];\n modifier = (match[3] || 1) - 1;\n } else {\n code += cmd;\n }\n }\n\n // Parse the key modifier\n keyCtrl = !!(modifier & 4);\n keyMeta = !!(modifier & 10);\n keyShift = !!(modifier & 1);\n keyCode = code;\n\n // Parse the key itself\n switch (code) {\n /* xterm/gnome ESC [ letter (with modifier) */\n case \"[P\":\n keyName = \"f1\";\n break;\n case \"[Q\":\n keyName = \"f2\";\n break;\n case \"[R\":\n keyName = \"f3\";\n break;\n case \"[S\":\n keyName = \"f4\";\n break;\n\n /* xterm/gnome ESC O letter (without modifier) */\n case \"OP\":\n keyName = \"f1\";\n break;\n case \"OQ\":\n keyName = \"f2\";\n break;\n case \"OR\":\n keyName = \"f3\";\n break;\n case \"OS\":\n keyName = \"f4\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[11~\":\n keyName = \"f1\";\n break;\n case \"[12~\":\n keyName = \"f2\";\n break;\n case \"[13~\":\n keyName = \"f3\";\n break;\n case \"[14~\":\n keyName = \"f4\";\n break;\n\n /* from Cygwin and used in libuv */\n case \"[[A\":\n keyName = \"f1\";\n break;\n case \"[[B\":\n keyName = \"f2\";\n break;\n case \"[[C\":\n keyName = \"f3\";\n break;\n case \"[[D\":\n keyName = \"f4\";\n break;\n case \"[[E\":\n keyName = \"f5\";\n break;\n\n /* common */\n case \"[15~\":\n keyName = \"f5\";\n break;\n case \"[17~\":\n keyName = \"f6\";\n break;\n case \"[18~\":\n keyName = \"f7\";\n break;\n case \"[19~\":\n keyName = \"f8\";\n break;\n case \"[20~\":\n keyName = \"f9\";\n break;\n case \"[21~\":\n keyName = \"f10\";\n break;\n case \"[23~\":\n keyName = \"f11\";\n break;\n case \"[24~\":\n keyName = \"f12\";\n break;\n\n /* xterm ESC [ letter */\n case \"[A\":\n keyName = \"up\";\n break;\n case \"[B\":\n keyName = \"down\";\n break;\n case \"[C\":\n keyName = \"right\";\n break;\n case \"[D\":\n keyName = \"left\";\n break;\n case \"[E\":\n keyName = \"clear\";\n break;\n case \"[F\":\n keyName = \"end\";\n break;\n case \"[H\":\n keyName = \"home\";\n break;\n\n /* xterm/gnome ESC O letter */\n case \"OA\":\n keyName = \"up\";\n break;\n case \"OB\":\n keyName = \"down\";\n break;\n case \"OC\":\n keyName = \"right\";\n break;\n case \"OD\":\n keyName = \"left\";\n break;\n case \"OE\":\n keyName = \"clear\";\n break;\n case \"OF\":\n keyName = \"end\";\n break;\n case \"OH\":\n keyName = \"home\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[1~\":\n keyName = \"home\";\n break;\n case \"[2~\":\n keyName = \"insert\";\n break;\n case \"[3~\":\n keyName = \"delete\";\n break;\n case \"[4~\":\n keyName = \"end\";\n break;\n case \"[5~\":\n keyName = \"pageup\";\n break;\n case \"[6~\":\n keyName = \"pagedown\";\n break;\n\n /* putty */\n case \"[[5~\":\n keyName = \"pageup\";\n break;\n case \"[[6~\":\n keyName = \"pagedown\";\n break;\n\n /* rxvt */\n case \"[7~\":\n keyName = \"home\";\n break;\n case \"[8~\":\n keyName = \"end\";\n break;\n\n /* rxvt keys with modifiers */\n case \"[a\":\n keyName = \"up\";\n keyShift = true;\n break;\n case \"[b\":\n keyName = \"down\";\n keyShift = true;\n break;\n case \"[c\":\n keyName = \"right\";\n keyShift = true;\n break;\n case \"[d\":\n keyName = \"left\";\n keyShift = true;\n break;\n case \"[e\":\n keyName = \"clear\";\n keyShift = true;\n break;\n\n case \"[2$\":\n keyName = \"insert\";\n keyShift = true;\n break;\n case \"[3$\":\n keyName = \"delete\";\n keyShift = true;\n break;\n case \"[5$\":\n keyName = \"pageup\";\n keyShift = true;\n break;\n case \"[6$\":\n keyName = \"pagedown\";\n keyShift = true;\n break;\n case \"[7$\":\n keyName = \"home\";\n keyShift = true;\n break;\n case \"[8$\":\n keyName = \"end\";\n keyShift = true;\n break;\n\n case \"Oa\":\n keyName = \"up\";\n keyCtrl = true;\n break;\n case \"Ob\":\n keyName = \"down\";\n keyCtrl = true;\n break;\n case \"Oc\":\n keyName = \"right\";\n keyCtrl = true;\n break;\n case \"Od\":\n keyName = \"left\";\n keyCtrl = true;\n break;\n case \"Oe\":\n keyName = \"clear\";\n keyCtrl = true;\n break;\n\n case \"[2^\":\n keyName = \"insert\";\n keyCtrl = true;\n break;\n case \"[3^\":\n keyName = \"delete\";\n keyCtrl = true;\n break;\n case \"[5^\":\n keyName = \"pageup\";\n keyCtrl = true;\n break;\n case \"[6^\":\n keyName = \"pagedown\";\n keyCtrl = true;\n break;\n case \"[7^\":\n keyName = \"home\";\n keyCtrl = true;\n break;\n case \"[8^\":\n keyName = \"end\";\n keyCtrl = true;\n break;\n\n /* misc. */\n case \"[Z\":\n keyName = \"tab\";\n keyShift = true;\n break;\n default:\n keyName = \"undefined\";\n break;\n }\n } else if (ch === \"\\r\") {\n // carriage return\n keyName = \"return\";\n keyMeta = escaped;\n } else if (ch === \"\\n\") {\n // Enter, should have been called linefeed\n keyName = \"enter\";\n keyMeta = escaped;\n } else if (ch === \"\\t\") {\n // tab\n keyName = \"tab\";\n keyMeta = escaped;\n } else if (ch === \"\\b\" || ch === \"\\x7f\") {\n // backspace or ctrl+h\n keyName = \"backspace\";\n keyMeta = escaped;\n } else if (ch === kEscape) {\n // escape key\n keyName = \"escape\";\n keyMeta = escaped;\n } else if (ch === \" \") {\n keyName = \"space\";\n keyMeta = escaped;\n } else if (!escaped && ch <= \"\\x1a\") {\n // ctrl+letter\n keyName = StringFromCharCode(StringPrototypeCharCodeAt.call(ch) + StringPrototypeCharCodeAt.call(\"a\") - 1);\n keyCtrl = true;\n } else if (RegExpPrototypeExec.call(/^[0-9A-Za-z]$/, ch) !== null) {\n // Letter, number, shift+letter\n keyName = StringPrototypeToLowerCase.call(ch);\n keyShift = RegExpPrototypeExec.call(/^[A-Z]$/, ch) !== null;\n keyMeta = escaped;\n } else if (escaped) {\n // Escape sequence timeout\n keyName = ch.length ? undefined : \"escape\";\n keyMeta = true;\n }\n\n keySeq = s;\n\n if (s.length !== 0 && (keyName !== undefined || escaped)) {\n /* Named character or sequence */\n stream.emit(\"keypress\", escaped ? undefined : s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n } else if (charLengthAt(s, 0) === s.length) {\n /* Single unnamed character, e.g. \".\" */\n stream.emit(\"keypress\", s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n }\n /* Unrecognized or broken escape sequence, don't emit anything */\n }\n}\n\n// This runs in O(n log n).\nfunction commonPrefix(strings) {\n if (strings.length === 0) {\n return \"\";\n }\n if (strings.length === 1) {\n return strings[0];\n }\n var sorted = ArrayPrototypeSort.call(ArrayPrototypeSlice.call(strings));\n var min = sorted[0];\n var max = sorted[sorted.length - 1];\n for (var i = 0; i < min.length; i++) {\n if (min[i] !== max[i]) {\n return StringPrototypeSlice.call(min, 0, i);\n }\n }\n return min;\n}\n\n// ----------------------------------------------------------------------------\n// Section: Cursor Functions\n// ----------------------------------------------------------------------------\n\n/**\n * moves the cursor to the x and y coordinate on the given stream\n */\n\nfunction cursorTo(stream, x, y, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (typeof y === \"function\") {\n callback = y;\n y = undefined;\n }\n\n if (NumberIsNaN(x)) throw new ERR_INVALID_ARG_VALUE(\"x\", x);\n if (NumberIsNaN(y)) throw new ERR_INVALID_ARG_VALUE(\"y\", y);\n\n if (stream == null || (typeof x !== \"number\" && typeof y !== \"number\")) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n if (typeof x !== \"number\") throw new ERR_INVALID_CURSOR_POS();\n\n var data = typeof y !== \"number\" ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n return stream.write(data, callback);\n}\n\n/**\n * moves the cursor relative to its current location\n */\n\nfunction moveCursor(stream, dx, dy, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream == null || !(dx || dy)) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n\n return stream.write(data, callback);\n}\n\n/**\n * clears the current line the cursor is on:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n */\n\nfunction clearLine(stream, dir, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var type = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n return stream.write(type, callback);\n}\n\n/**\n * clears the screen from the current position of the cursor down\n */\n\nfunction clearScreenDown(stream, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n return stream.write(kClearScreenDown, callback);\n}\n\n// ----------------------------------------------------------------------------\n// Section: Emit keypress events\n// ----------------------------------------------------------------------------\n\nvar KEYPRESS_DECODER = Symbol(\"keypress-decoder\");\nvar ESCAPE_DECODER = Symbol(\"escape-decoder\");\n\n// GNU readline library - keyseq-timeout is 500ms (default)\nvar ESCAPE_CODE_TIMEOUT = 500;\n\n/**\n * accepts a readable Stream instance and makes it emit \"keypress\" events\n */\n\nfunction emitKeypressEvents(stream, iface = {}) {\n if (stream[KEYPRESS_DECODER]) return;\n\n stream[KEYPRESS_DECODER] = new StringDecoder(\"utf8\");\n\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n\n var triggerEscape = () => stream[ESCAPE_DECODER].next(\"\");\n var { escapeCodeTimeout = ESCAPE_CODE_TIMEOUT } = iface;\n var timeoutId;\n\n function onData(input) {\n if (stream.listenerCount(\"keypress\") > 0) {\n var string = stream[KEYPRESS_DECODER].write(input);\n if (string) {\n clearTimeout(timeoutId);\n\n // This supports characters of length 2.\n iface[kSawKeyPress] = charLengthAt(string, 0) === string.length;\n iface.isCompletionEnabled = false;\n\n var length = 0;\n for (var character of new SafeStringIterator(string)) {\n length += character.length;\n if (length === string.length) {\n iface.isCompletionEnabled = true;\n }\n\n try {\n stream[ESCAPE_DECODER].next(character);\n // Escape letter at the tail position\n if (length === string.length && character === kEscape) {\n timeoutId = setTimeout(triggerEscape, escapeCodeTimeout);\n }\n } catch (err) {\n // If the generator throws (it could happen in the `keypress`\n // event), we need to restart it.\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n throw err;\n }\n }\n }\n } else {\n // Nobody's watching anyway\n stream.removeListener(\"data\", onData);\n stream.on(\"newListener\", onNewListener);\n }\n }\n\n function onNewListener(event) {\n if (event === \"keypress\") {\n stream.on(\"data\", onData);\n stream.removeListener(\"newListener\", onNewListener);\n }\n }\n\n if (stream.listenerCount(\"keypress\") > 0) {\n stream.on(\"data\", onData);\n } else {\n stream.on(\"newListener\", onNewListener);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Interface\n// ----------------------------------------------------------------------------\n\nvar kEmptyObject = ObjectFreeze(ObjectCreate(null));\n\n// Some constants regarding configuration of interface\nvar kHistorySize = 30;\nvar kMaxUndoRedoStackSize = 2048;\nvar kMincrlfDelay = 100;\n// \\r\\n, \\n, or \\r followed by something other than \\n\nvar lineEnding = /\\r?\\n|\\r(?!\\n)/g;\n\n// Max length of the kill ring\nvar kMaxLengthOfKillRing = 32;\n\n// Symbols\n\n// Public symbols\nvar kLineObjectStream = Symbol(\"line object stream\");\nvar kQuestionCancel = Symbol(\"kQuestionCancel\");\nvar kQuestion = Symbol(\"kQuestion\");\n\n// Private symbols\nvar kAddHistory = Symbol(\"_addHistory\");\nvar kBeforeEdit = Symbol(\"_beforeEdit\");\nvar kDecoder = Symbol(\"_decoder\");\nvar kDeleteLeft = Symbol(\"_deleteLeft\");\nvar kDeleteLineLeft = Symbol(\"_deleteLineLeft\");\nvar kDeleteLineRight = Symbol(\"_deleteLineRight\");\nvar kDeleteRight = Symbol(\"_deleteRight\");\nvar kDeleteWordLeft = Symbol(\"_deleteWordLeft\");\nvar kDeleteWordRight = Symbol(\"_deleteWordRight\");\nvar kGetDisplayPos = Symbol(\"_getDisplayPos\");\nvar kHistoryNext = Symbol(\"_historyNext\");\nvar kHistoryPrev = Symbol(\"_historyPrev\");\nvar kInsertString = Symbol(\"_insertString\");\nvar kLine = Symbol(\"_line\");\nvar kLine_buffer = Symbol(\"_line_buffer\");\nvar kKillRing = Symbol(\"_killRing\");\nvar kKillRingCursor = Symbol(\"_killRingCursor\");\nvar kMoveCursor = Symbol(\"_moveCursor\");\nvar kNormalWrite = Symbol(\"_normalWrite\");\nvar kOldPrompt = Symbol(\"_oldPrompt\");\nvar kOnLine = Symbol(\"_onLine\");\nvar kPreviousKey = Symbol(\"_previousKey\");\nvar kPrompt = Symbol(\"_prompt\");\nvar kPushToKillRing = Symbol(\"_pushToKillRing\");\nvar kPushToUndoStack = Symbol(\"_pushToUndoStack\");\nvar kQuestionCallback = Symbol(\"_questionCallback\");\nvar kRedo = Symbol(\"_redo\");\nvar kRedoStack = Symbol(\"_redoStack\");\nvar kRefreshLine = Symbol(\"_refreshLine\");\nvar kSawKeyPress = Symbol(\"_sawKeyPress\");\nvar kSawReturnAt = Symbol(\"_sawReturnAt\");\nvar kSetRawMode = Symbol(\"_setRawMode\");\nvar kTabComplete = Symbol(\"_tabComplete\");\nvar kTabCompleter = Symbol(\"_tabCompleter\");\nvar kTtyWrite = Symbol(\"_ttyWrite\");\nvar kUndo = Symbol(\"_undo\");\nvar kUndoStack = Symbol(\"_undoStack\");\nvar kWordLeft = Symbol(\"_wordLeft\");\nvar kWordRight = Symbol(\"_wordRight\");\nvar kWriteToOutput = Symbol(\"_writeToOutput\");\nvar kYank = Symbol(\"_yank\");\nvar kYanking = Symbol(\"_yanking\");\nvar kYankPop = Symbol(\"_yankPop\");\n\n// Event symbols\nvar kFirstEventParam = Symbol(\"nodejs.kFirstEventParam\");\n\n// class InterfaceConstructor extends EventEmitter {\n// #onSelfCloseWithTerminal;\n// #onSelfCloseWithoutTerminal;\n\n// #onError;\n// #onData;\n// #onEnd;\n// #onTermEnd;\n// #onKeyPress;\n// #onResize;\n\n// [kSawReturnAt];\n// isCompletionEnabled = true;\n// [kSawKeyPress];\n// [kPreviousKey];\n// escapeCodeTimeout;\n// tabSize;\n\n// line;\n// [kSubstringSearch];\n// output;\n// input;\n// [kUndoStack];\n// [kRedoStack];\n// history;\n// historySize;\n\n// [kKillRing];\n// [kKillRingCursor];\n\n// removeHistoryDuplicates;\n// crlfDelay;\n// completer;\n\n// terminal;\n// [kLineObjectStream];\n\n// cursor;\n// historyIndex;\n\n// constructor(input, output, completer, terminal) {\n// super();\n\nvar kOnSelfCloseWithTerminal = Symbol(\"_onSelfCloseWithTerminal\");\nvar kOnSelfCloseWithoutTerminal = Symbol(\"_onSelfCloseWithoutTerminal\");\nvar kOnKeyPress = Symbol(\"_onKeyPress\");\nvar kOnError = Symbol(\"_onError\");\nvar kOnData = Symbol(\"_onData\");\nvar kOnEnd = Symbol(\"_onEnd\");\nvar kOnTermEnd = Symbol(\"_onTermEnd\");\nvar kOnResize = Symbol(\"_onResize\");\n\nfunction onSelfCloseWithTerminal() {\n var input = this.input;\n var output = this.output;\n\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"keypress\", this[kOnKeyPress]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnTermEnd]);\n if (output !== null && output !== undefined) {\n output.removeListener(\"resize\", this[kOnResize]);\n }\n}\n\nfunction onSelfCloseWithoutTerminal() {\n var input = this.input;\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"data\", this[kOnData]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnEnd]);\n}\n\nfunction onError(err) {\n this.emit(\"error\", err);\n}\n\nfunction onData(data) {\n debug(\"onData\");\n this[kNormalWrite](data);\n}\n\nfunction onEnd() {\n debug(\"onEnd\");\n if (typeof this[kLine_buffer] === \"string\" && this[kLine_buffer].length > 0) {\n this.emit(\"line\", this[kLine_buffer]);\n }\n this.close();\n}\n\nfunction onTermEnd() {\n debug(\"onTermEnd\");\n if (typeof this.line === \"string\" && this.line.length > 0) {\n this.emit(\"line\", this.line);\n }\n this.close();\n}\n\nfunction onKeyPress(s, key) {\n this[kTtyWrite](s, key);\n if (key && key.sequence) {\n // If the keySeq is half of a surrogate pair\n // (>= 0xd800 and <= 0xdfff), refresh the line so\n // the character is displayed appropriately.\n var ch = StringPrototypeCodePointAt.call(key.sequence, 0);\n if (ch >= 0xd800 && ch <= 0xdfff) this[kRefreshLine]();\n }\n}\n\nfunction onResize() {\n this[kRefreshLine]();\n}\n\nfunction InterfaceConstructor(input, output, completer, terminal) {\n if (!(this instanceof InterfaceConstructor)) {\n return new InterfaceConstructor(input, output, completer, terminal);\n }\n\n EventEmitter.call(this);\n\n this[kOnSelfCloseWithoutTerminal] = onSelfCloseWithoutTerminal.bind(this);\n this[kOnSelfCloseWithTerminal] = onSelfCloseWithTerminal.bind(this);\n\n this[kOnError] = onError.bind(this);\n this[kOnData] = onData.bind(this);\n this[kOnEnd] = onEnd.bind(this);\n this[kOnTermEnd] = onTermEnd.bind(this);\n this[kOnKeyPress] = onKeyPress.bind(this);\n this[kOnResize] = onResize.bind(this);\n\n this[kSawReturnAt] = 0;\n this.isCompletionEnabled = true;\n this[kSawKeyPress] = false;\n this[kPreviousKey] = null;\n this.escapeCodeTimeout = ESCAPE_CODE_TIMEOUT;\n this.tabSize = 8;\n\n var history;\n var historySize;\n var removeHistoryDuplicates = false;\n var crlfDelay;\n var prompt = \"> \";\n var signal;\n\n if (input?.input) {\n // An options object was given\n output = input.output;\n completer = input.completer;\n terminal = input.terminal;\n history = input.history;\n historySize = input.historySize;\n signal = input.signal;\n\n var tabSize = input.tabSize;\n if (tabSize !== undefined) {\n validateUint32(tabSize, \"tabSize\", true);\n this.tabSize = tabSize;\n }\n removeHistoryDuplicates = input.removeHistoryDuplicates;\n\n var inputPrompt = input.prompt;\n if (inputPrompt !== undefined) {\n prompt = inputPrompt;\n }\n\n var inputEscapeCodeTimeout = input.escapeCodeTimeout;\n if (inputEscapeCodeTimeout !== undefined) {\n if (NumberIsFinite(inputEscapeCodeTimeout)) {\n this.escapeCodeTimeout = inputEscapeCodeTimeout;\n } else {\n throw new ERR_INVALID_ARG_VALUE(\"input.escapeCodeTimeout\", this.escapeCodeTimeout);\n }\n }\n\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n }\n\n crlfDelay = input.crlfDelay;\n input = input.input;\n }\n\n if (completer !== undefined && typeof completer !== \"function\") {\n throw new ERR_INVALID_ARG_VALUE(\"completer\", completer);\n }\n\n if (history === undefined) {\n history = [];\n } else {\n validateArray(history, \"history\");\n }\n\n if (historySize === undefined) {\n historySize = kHistorySize;\n }\n\n if (typeof historySize !== \"number\" || NumberIsNaN(historySize) || historySize < 0) {\n throw new ERR_INVALID_ARG_VALUE(\"historySize\", historySize);\n }\n\n // Backwards compat; check the isTTY prop of the output stream\n // when `terminal` was not specified\n if (terminal === undefined && !(output === null || output === undefined)) {\n terminal = !!output.isTTY;\n }\n\n this.line = \"\";\n this[kSubstringSearch] = null;\n this.output = output;\n this.input = input;\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.history = history;\n this.historySize = historySize;\n\n // The kill ring is a global list of blocks of text that were previously\n // killed (deleted). If its size exceeds kMaxLengthOfKillRing, the oldest\n // element will be removed to make room for the latest deletion. With kill\n // ring, users are able to recall (yank) or cycle (yank pop) among previously\n // killed texts, quite similar to the behavior of Emacs.\n this[kKillRing] = [];\n this[kKillRingCursor] = 0;\n\n this.removeHistoryDuplicates = !!removeHistoryDuplicates;\n this.crlfDelay = crlfDelay ? MathMax(kMincrlfDelay, crlfDelay) : kMincrlfDelay;\n this.completer = completer;\n\n this.setPrompt(prompt);\n\n this.terminal = !!terminal;\n\n this[kLineObjectStream] = undefined;\n\n input.on(\"error\", this[kOnError]);\n\n if (!this.terminal) {\n input.on(\"data\", this[kOnData]);\n input.on(\"end\", this[kOnEnd]);\n this.once(\"close\", this[kOnSelfCloseWithoutTerminal]);\n this[kDecoder] = new StringDecoder(\"utf8\");\n } else {\n emitKeypressEvents(input, this);\n\n // `input` usually refers to stdin\n input.on(\"keypress\", this[kOnKeyPress]);\n input.on(\"end\", this[kOnTermEnd]);\n\n this[kSetRawMode](true);\n this.terminal = true;\n\n // Cursor position on the line.\n this.cursor = 0;\n this.historyIndex = -1;\n\n if (output !== null && output !== undefined) output.on(\"resize\", this[kOnResize]);\n\n this.once(\"close\", this[kOnSelfCloseWithTerminal]);\n }\n\n if (signal) {\n var onAborted = (() => this.close()).bind(this);\n if (signal.aborted) {\n process.nextTick(onAborted);\n } else {\n signal.addEventListener(\"abort\", onAborted, { once: true });\n this.once(\"close\", () => signal.removeEventListener(\"abort\", onAborted));\n }\n }\n\n // Current line\n this.line = \"\";\n\n input.resume();\n}\n\nObjectSetPrototypeOf(InterfaceConstructor.prototype, EventEmitter.prototype);\nObjectSetPrototypeOf(InterfaceConstructor, EventEmitter);\n\nvar _Interface = class Interface extends InterfaceConstructor {\n // TODO: Enumerate all the properties of the class\n\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n get columns() {\n var output = this.output;\n if (output && output.columns) return output.columns;\n return Infinity;\n }\n\n /**\n * Sets the prompt written to the output.\n * @param {string} prompt\n * @returns {void}\n */\n setPrompt(prompt) {\n this[kPrompt] = prompt;\n }\n\n /**\n * Returns the current prompt used by `rl.prompt()`.\n * @returns {string}\n */\n getPrompt() {\n return this[kPrompt];\n }\n\n [kSetRawMode](mode) {\n var input = this.input;\n var { setRawMode, wasInRawMode } = input;\n\n // TODO: Make this work, for now just stub this and print debug\n debug(\"setRawMode\", mode, \"set!\");\n // if (typeof setRawMode === \"function\") {\n // setRawMode(mode);\n // }\n\n return wasInRawMode;\n }\n\n /**\n * Writes the configured `prompt` to a new line in `output`.\n * @param {boolean} [preserveCursor]\n * @returns {void}\n */\n prompt(preserveCursor) {\n if (this.paused) this.resume();\n if (this.terminal && process.env.TERM !== \"dumb\") {\n if (!preserveCursor) this.cursor = 0;\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](this[kPrompt]);\n }\n }\n\n [kQuestion](query, cb) {\n if (this.closed) {\n throw new ERR_USE_AFTER_CLOSE(\"readline\");\n }\n if (this[kQuestionCallback]) {\n this.prompt();\n } else {\n this[kOldPrompt] = this[kPrompt];\n this.setPrompt(query);\n this[kQuestionCallback] = cb;\n this.prompt();\n }\n }\n\n [kOnLine](line) {\n if (this[kQuestionCallback]) {\n var cb = this[kQuestionCallback];\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n cb(line);\n } else {\n this.emit(\"line\", line);\n }\n }\n\n [kBeforeEdit](oldText, oldCursor) {\n this[kPushToUndoStack](oldText, oldCursor);\n }\n\n [kQuestionCancel]() {\n if (this[kQuestionCallback]) {\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n this.clearLine();\n }\n }\n\n [kWriteToOutput](stringToWrite) {\n validateString(stringToWrite, \"stringToWrite\");\n\n if (this.output !== null && this.output !== undefined) {\n this.output.write(stringToWrite);\n }\n }\n\n [kAddHistory]() {\n if (this.line.length === 0) return \"\";\n\n // If the history is disabled then return the line\n if (this.historySize === 0) return this.line;\n\n // If the trimmed line is empty then return the line\n if (StringPrototypeTrim.call(this.line).length === 0) return this.line;\n\n if (this.history.length === 0 || this.history[0] !== this.line) {\n if (this.removeHistoryDuplicates) {\n // Remove older history line if identical to new one\n var dupIndex = ArrayPrototypeIndexOf.call(this.history, this.line);\n if (dupIndex !== -1) ArrayPrototypeSplice.call(this.history, dupIndex, 1);\n }\n\n ArrayPrototypeUnshift.call(this.history, this.line);\n\n // Only store so many\n if (this.history.length > this.historySize) ArrayPrototypePop.call(this.history);\n }\n\n this.historyIndex = -1;\n\n // The listener could change the history object, possibly\n // to remove the last added entry if it is sensitive and should\n // not be persisted in the history, like a password\n var line = this.history[0];\n\n // Emit history event to notify listeners of update\n this.emit(\"history\", this.history);\n\n return line;\n }\n\n [kRefreshLine]() {\n // line length\n var line = this[kPrompt] + this.line;\n var dispPos = this[kGetDisplayPos](line);\n var lineCols = dispPos.cols;\n var lineRows = dispPos.rows;\n\n // cursor position\n var cursorPos = this.getCursorPos();\n\n // First move to the bottom of the current line, based on cursor pos\n var prevRows = this.prevRows || 0;\n if (prevRows > 0) {\n moveCursor(this.output, 0, -prevRows);\n }\n\n // Cursor to left edge.\n cursorTo(this.output, 0);\n // erase data\n clearScreenDown(this.output);\n\n // Write the prompt and the current buffer content.\n this[kWriteToOutput](line);\n\n // Force terminal to allocate a new line\n if (lineCols === 0) {\n this[kWriteToOutput](\" \");\n }\n\n // Move cursor to original position.\n cursorTo(this.output, cursorPos.cols);\n\n var diff = lineRows - cursorPos.rows;\n if (diff > 0) {\n moveCursor(this.output, 0, -diff);\n }\n\n this.prevRows = cursorPos.rows;\n }\n\n /**\n * Closes the `readline.Interface` instance.\n * @returns {void}\n */\n close() {\n if (this.closed) return;\n this.pause();\n if (this.terminal) {\n this[kSetRawMode](false);\n }\n this.closed = true;\n this.emit(\"close\");\n }\n\n /**\n * Pauses the `input` stream.\n * @returns {void | Interface}\n */\n pause() {\n if (this.paused) return;\n this.input.pause();\n this.paused = true;\n this.emit(\"pause\");\n return this;\n }\n\n /**\n * Resumes the `input` stream if paused.\n * @returns {void | Interface}\n */\n resume() {\n if (!this.paused) return;\n this.input.resume();\n this.paused = false;\n this.emit(\"resume\");\n return this;\n }\n\n /**\n * Writes either `data` or a `key` sequence identified by\n * `key` to the `output`.\n * @param {string} d\n * @param {{\n * ctrl?: boolean;\n * meta?: boolean;\n * shift?: boolean;\n * name?: string;\n * }} [key]\n * @returns {void}\n */\n write(d, key) {\n if (this.paused) this.resume();\n if (this.terminal) {\n this[kTtyWrite](d, key);\n } else {\n this[kNormalWrite](d);\n }\n }\n\n [kNormalWrite](b) {\n if (b === undefined) {\n return;\n }\n var string = this[kDecoder].write(b);\n if (this[kSawReturnAt] && DateNow() - this[kSawReturnAt] <= this.crlfDelay) {\n if (StringPrototypeCodePointAt.call(string) === 10) string = StringPrototypeSlice.call(string, 1);\n this[kSawReturnAt] = 0;\n }\n\n // Run test() on the new string chunk, not on the entire line buffer.\n var newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n if (newPartContainsEnding !== null) {\n if (this[kLine_buffer]) {\n string = this[kLine_buffer] + string;\n this[kLine_buffer] = null;\n newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n }\n this[kSawReturnAt] = StringPrototypeEndsWith.call(string, \"\\r\") ? DateNow() : 0;\n\n var indexes = [0, newPartContainsEnding.index, lineEnding.lastIndex];\n var nextMatch;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, string)) !== null) {\n ArrayPrototypePush.call(indexes, nextMatch.index, lineEnding.lastIndex);\n }\n var lastIndex = indexes.length - 1;\n // Either '' or (conceivably) the unfinished portion of the next line\n this[kLine_buffer] = StringPrototypeSlice.call(string, indexes[lastIndex]);\n for (var i = 1; i < lastIndex; i += 2) {\n this[kOnLine](StringPrototypeSlice.call(string, indexes[i - 1], indexes[i]));\n }\n } else if (string) {\n // No newlines this time, save what we have for next time\n if (this[kLine_buffer]) {\n this[kLine_buffer] += string;\n } else {\n this[kLine_buffer] = string;\n }\n }\n }\n\n [kInsertString](c) {\n this[kBeforeEdit](this.line, this.cursor);\n if (this.cursor < this.line.length) {\n var beg = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var end = StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.line = beg + c + end;\n this.cursor += c.length;\n this[kRefreshLine]();\n } else {\n var oldPos = this.getCursorPos();\n this.line += c;\n this.cursor += c.length;\n var newPos = this.getCursorPos();\n\n if (oldPos.rows < newPos.rows) {\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](c);\n }\n }\n }\n\n async [kTabComplete](lastKeypressWasTab) {\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var value;\n try {\n value = await this.completer(string);\n } catch (err) {\n this[kWriteToOutput](`Tab completion error: ${inspect(err)}`);\n return;\n } finally {\n this.resume();\n }\n this[kTabCompleter](lastKeypressWasTab, value);\n }\n\n [kTabCompleter](lastKeypressWasTab, { 0: completions, 1: completeOn }) {\n // Result and the text that was completed.\n\n if (!completions || completions.length === 0) {\n return;\n }\n\n // If there is a common prefix to all matches, then apply that portion.\n var prefix = commonPrefix(ArrayPrototypeFilter.call(completions, e => e !== \"\"));\n if (StringPrototypeStartsWith.call(prefix, completeOn) && prefix.length > completeOn.length) {\n this[kInsertString](StringPrototypeSlice.call(prefix, completeOn.length));\n return;\n } else if (!StringPrototypeStartsWith.call(completeOn, prefix)) {\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - completeOn.length) +\n prefix +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = this.cursor - completeOn.length + prefix.length;\n this._refreshLine();\n return;\n }\n\n if (!lastKeypressWasTab) {\n return;\n }\n\n this[kBeforeEdit](this.line, this.cursor);\n\n // Apply/show completions.\n var completionsWidth = ArrayPrototypeMap.call(completions, e => getStringWidth(e));\n var width = MathMaxApply(completionsWidth) + 2; // 2 space padding\n var maxColumns = MathFloor(this.columns / width) || 1;\n if (maxColumns === Infinity) {\n maxColumns = 1;\n }\n var output = \"\\r\\n\";\n var lineIndex = 0;\n var whitespace = 0;\n for (var i = 0; i < completions.length; i++) {\n var completion = completions[i];\n if (completion === \"\" || lineIndex === maxColumns) {\n output += \"\\r\\n\";\n lineIndex = 0;\n whitespace = 0;\n } else {\n output += StringPrototypeRepeat.call(\" \", whitespace);\n }\n if (completion !== \"\") {\n output += completion;\n whitespace = width - completionsWidth[i];\n lineIndex++;\n } else {\n output += \"\\r\\n\";\n }\n }\n if (lineIndex !== 0) {\n output += \"\\r\\n\\r\\n\";\n }\n this[kWriteToOutput](output);\n this[kRefreshLine]();\n }\n\n [kWordLeft]() {\n if (this.cursor > 0) {\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n this[kMoveCursor](-match[0].length);\n }\n }\n\n [kWordRight]() {\n if (this.cursor < this.line.length) {\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|[^\\w\\s]+|\\w+)\\s*/, trailing);\n this[kMoveCursor](match[0].length);\n }\n }\n\n [kDeleteLeft]() {\n if (this.cursor > 0 && this.line.length > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthLeft(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - charSize) +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n\n this.cursor -= charSize;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthAt(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) +\n StringPrototypeSlice.call(this.line, this.cursor + charSize, this.line.length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordLeft]() {\n if (this.cursor > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n leading = StringPrototypeSlice.call(leading, 0, leading.length - match[0].length);\n this.line = leading + StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = leading.length;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|\\W+|\\w+)\\s*/, trailing);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) + StringPrototypeSlice.call(trailing, match[0].length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteLineLeft]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, this.cursor);\n this.cursor = 0;\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kDeleteLineRight]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kPushToKillRing](del) {\n if (!del || del === this[kKillRing][0]) return;\n ArrayPrototypeUnshift.call(this[kKillRing], del);\n this[kKillRingCursor] = 0;\n while (this[kKillRing].length > kMaxLengthOfKillRing) ArrayPrototypePop.call(this[kKillRing]);\n }\n\n [kYank]() {\n if (this[kKillRing].length > 0) {\n this[kYanking] = true;\n this[kInsertString](this[kKillRing][this[kKillRingCursor]]);\n }\n }\n\n [kYankPop]() {\n if (!this[kYanking]) {\n return;\n }\n if (this[kKillRing].length > 1) {\n var lastYank = this[kKillRing][this[kKillRingCursor]];\n this[kKillRingCursor]++;\n if (this[kKillRingCursor] >= this[kKillRing].length) {\n this[kKillRingCursor] = 0;\n }\n var currentYank = this[kKillRing][this[kKillRingCursor]];\n var head = StringPrototypeSlice.call(this.line, 0, this.cursor - lastYank.length);\n var tail = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = head + currentYank + tail;\n this.cursor = head.length + currentYank.length;\n this[kRefreshLine]();\n }\n }\n\n clearLine() {\n this[kMoveCursor](+Infinity);\n this[kWriteToOutput](\"\\r\\n\");\n this.line = \"\";\n this.cursor = 0;\n this.prevRows = 0;\n }\n\n [kLine]() {\n var line = this[kAddHistory]();\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.clearLine();\n this[kOnLine](line);\n }\n\n [kPushToUndoStack](text, cursor) {\n if (ArrayPrototypePush.call(this[kUndoStack], { text, cursor }) > kMaxUndoRedoStackSize) {\n ArrayPrototypeShift.call(this[kUndoStack]);\n }\n }\n\n [kUndo]() {\n if (this[kUndoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kRedoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kUndoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kRedo]() {\n if (this[kRedoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kUndoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kRedoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kHistoryNext]() {\n if (this.historyIndex >= 0) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex - 1;\n while (\n index >= 0 &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index--;\n }\n if (index === -1) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n [kHistoryPrev]() {\n if (this.historyIndex < this.history.length && this.history.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex + 1;\n while (\n index < this.history.length &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index++;\n }\n if (index === this.history.length) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n // Returns the last character's display position of the given string\n [kGetDisplayPos](str) {\n var offset = 0;\n var col = this.columns;\n var rows = 0;\n str = stripVTControlCharacters(str);\n for (var char of new SafeStringIterator(str)) {\n if (char === \"\\n\") {\n // Rows must be incremented by 1 even if offset = 0 or col = +Infinity.\n rows += MathCeil(offset / col) || 1;\n offset = 0;\n continue;\n }\n // Tabs must be aligned by an offset of the tab size.\n if (char === \"\\t\") {\n offset += this.tabSize - (offset % this.tabSize);\n continue;\n }\n var width = getStringWidth(char, false /* stripVTControlCharacters */);\n if (width === 0 || width === 1) {\n offset += width;\n } else {\n // width === 2\n if ((offset + 1) % col === 0) {\n offset++;\n }\n offset += 2;\n }\n }\n var cols = offset % col;\n rows += (offset - cols) / col;\n return { cols, rows };\n }\n\n /**\n * Returns the real position of the cursor in relation\n * to the input prompt + string.\n * @returns {{\n * rows: number;\n * cols: number;\n * }}\n */\n getCursorPos() {\n var strBeforeCursor = this[kPrompt] + StringPrototypeSlice.call(this.line, 0, this.cursor);\n return this[kGetDisplayPos](strBeforeCursor);\n }\n\n // This function moves cursor dx places to the right\n // (-dx for left) and refreshes the line if it is needed.\n [kMoveCursor](dx) {\n if (dx === 0) {\n return;\n }\n var oldPos = this.getCursorPos();\n this.cursor += dx;\n\n // Bounds check\n if (this.cursor < 0) {\n this.cursor = 0;\n } else if (this.cursor > this.line.length) {\n this.cursor = this.line.length;\n }\n\n var newPos = this.getCursorPos();\n\n // Check if cursor stayed on the line.\n if (oldPos.rows === newPos.rows) {\n var diffWidth = newPos.cols - oldPos.cols;\n moveCursor(this.output, diffWidth, 0);\n } else {\n this[kRefreshLine]();\n }\n }\n\n // Handle a write from the tty\n [kTtyWrite](s, key) {\n var previousKey = this[kPreviousKey];\n key = key || kEmptyObject;\n this[kPreviousKey] = key;\n var { name: keyName, meta: keyMeta, ctrl: keyCtrl, shift: keyShift, sequence: keySeq } = key;\n\n if (!keyMeta || keyName !== \"y\") {\n // Reset yanking state unless we are doing yank pop.\n this[kYanking] = false;\n }\n\n // Activate or deactivate substring search.\n if ((keyName === \"up\" || keyName === \"down\") && !keyCtrl && !keyMeta && !keyShift) {\n if (this[kSubstringSearch] === null) {\n this[kSubstringSearch] = StringPrototypeSlice.call(this.line, 0, this.cursor);\n }\n } else if (this[kSubstringSearch] !== null) {\n this[kSubstringSearch] = null;\n // Reset the index in case there's no match.\n if (this.history.length === this.historyIndex) {\n this.historyIndex = -1;\n }\n }\n\n // Undo & Redo\n if (typeof keySeq === \"string\") {\n switch (StringPrototypeCodePointAt.call(keySeq, 0)) {\n case 0x1f:\n this[kUndo]();\n return;\n case 0x1e:\n this[kRedo]();\n return;\n default:\n break;\n }\n }\n\n // Ignore escape key, fixes\n // https://github.com/nodejs/node-v0.x-archive/issues/2876.\n if (keyName === \"escape\") return;\n\n if (keyCtrl && keyShift) {\n /* Control and shift pressed */\n switch (keyName) {\n // TODO(BridgeAR): The transmitted escape sequence is `\\b` and that is\n // identical to <ctrl>-h. It should have a unique escape sequence.\n case \"backspace\":\n this[kDeleteLineLeft]();\n break;\n\n case \"delete\":\n this[kDeleteLineRight]();\n break;\n }\n } else if (keyCtrl) {\n /* Control key pressed */\n\n switch (keyName) {\n case \"c\":\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n break;\n\n case \"h\": // delete left\n this[kDeleteLeft]();\n break;\n\n case \"d\": // delete right or EOF\n if (this.cursor === 0 && this.line.length === 0) {\n // This readline instance is finished\n this.close();\n } else if (this.cursor < this.line.length) {\n this[kDeleteRight]();\n }\n break;\n\n case \"u\": // Delete from current to start of line\n this[kDeleteLineLeft]();\n break;\n\n case \"k\": // Delete from current to end of line\n this[kDeleteLineRight]();\n break;\n\n case \"a\": // Go to the start of the line\n this[kMoveCursor](-Infinity);\n break;\n\n case \"e\": // Go to the end of the line\n this[kMoveCursor](+Infinity);\n break;\n\n case \"b\": // back one character\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"f\": // Forward one character\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"l\": // Clear the whole screen\n cursorTo(this.output, 0, 0);\n clearScreenDown(this.output);\n this[kRefreshLine]();\n break;\n\n case \"n\": // next history item\n this[kHistoryNext]();\n break;\n\n case \"p\": // Previous history item\n this[kHistoryPrev]();\n break;\n\n case \"y\": // Yank killed string\n this[kYank]();\n break;\n\n case \"z\":\n if (process.platform === \"win32\") break;\n if (this.listenerCount(\"SIGTSTP\") > 0) {\n this.emit(\"SIGTSTP\");\n } else {\n process.once(\"SIGCONT\", () => {\n // Don't raise events if stream has already been abandoned.\n if (!this.paused) {\n // Stream must be paused and resumed after SIGCONT to catch\n // SIGINT, SIGTSTP, and EOF.\n this.pause();\n this.emit(\"SIGCONT\");\n }\n // Explicitly re-enable \"raw mode\" and move the cursor to\n // the correct position.\n // See https://github.com/joyent/node/issues/3295.\n this[kSetRawMode](true);\n this[kRefreshLine]();\n });\n this[kSetRawMode](false);\n process.kill(process.pid, \"SIGTSTP\");\n }\n break;\n\n case \"w\": // Delete backwards to a word boundary\n case \"backspace\":\n this[kDeleteWordLeft]();\n break;\n\n case \"delete\": // Delete forward to a word boundary\n this[kDeleteWordRight]();\n break;\n\n case \"left\":\n this[kWordLeft]();\n break;\n\n case \"right\":\n this[kWordRight]();\n break;\n }\n } else if (keyMeta) {\n /* Meta key pressed */\n\n switch (keyName) {\n case \"b\": // backward word\n this[kWordLeft]();\n break;\n\n case \"f\": // forward word\n this[kWordRight]();\n break;\n\n case \"d\": // delete forward word\n case \"delete\":\n this[kDeleteWordRight]();\n break;\n\n case \"backspace\": // Delete backwards to a word boundary\n this[kDeleteWordLeft]();\n break;\n\n case \"y\": // Doing yank pop\n this[kYankPop]();\n break;\n }\n } else {\n /* No modifier keys used */\n\n // \\r bookkeeping is only relevant if a \\n comes right after.\n if (this[kSawReturnAt] && keyName !== \"enter\") this[kSawReturnAt] = 0;\n\n switch (keyName) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this[kLine]();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this[kLine]();\n }\n this[kSawReturnAt] = 0;\n break;\n\n case \"backspace\":\n this[kDeleteLeft]();\n break;\n\n case \"delete\":\n this[kDeleteRight]();\n break;\n\n case \"left\":\n // Obtain the code point to the left\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"right\":\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"home\":\n this[kMoveCursor](-Infinity);\n break;\n\n case \"end\":\n this[kMoveCursor](+Infinity);\n break;\n\n case \"up\":\n this[kHistoryPrev]();\n break;\n\n case \"down\":\n this[kHistoryNext]();\n break;\n\n case \"tab\":\n // If tab completion enabled, do that...\n if (typeof this.completer === \"function\" && this.isCompletionEnabled) {\n var lastKeypressWasTab = previousKey && previousKey.name === \"tab\";\n this[kTabComplete](lastKeypressWasTab);\n break;\n }\n // falls through\n default:\n if (typeof s === \"string\" && s) {\n var nextMatch = RegExpPrototypeExec.call(lineEnding, s);\n if (nextMatch !== null) {\n this[kInsertString](StringPrototypeSlice.call(s, 0, nextMatch.index));\n var { lastIndex } = lineEnding;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, s)) !== null) {\n this[kLine]();\n this[kInsertString](StringPrototypeSlice.call(s, lastIndex, nextMatch.index));\n ({ lastIndex } = lineEnding);\n }\n if (lastIndex === s.length) this[kLine]();\n } else {\n this[kInsertString](s);\n }\n }\n }\n }\n }\n\n /**\n * Creates an `AsyncIterator` object that iterates through\n * each line in the input stream as a string.\n * @typedef {{\n * [Symbol.asyncIterator]: () => InterfaceAsyncIterator,\n * next: () => Promise<string>\n * }} InterfaceAsyncIterator\n * @returns {InterfaceAsyncIterator}\n */\n [SymbolAsyncIterator]() {\n if (this[kLineObjectStream] === undefined) {\n this[kLineObjectStream] = EventEmitter.on(this, \"line\", {\n close: [\"close\"],\n highWatermark: 1024,\n [kFirstEventParam]: true,\n });\n }\n return this[kLineObjectStream];\n }\n};\n\nfunction Interface(input, output, completer, terminal) {\n if (!(this instanceof Interface)) {\n return new Interface(input, output, completer, terminal);\n }\n\n if (input?.input && typeof input.completer === \"function\" && input.completer.length !== 2) {\n var { completer } = input;\n input.completer = (v, cb) => cb(null, completer(v));\n } else if (typeof completer === \"function\" && completer.length !== 2) {\n var realCompleter = completer;\n completer = (v, cb) => cb(null, realCompleter(v));\n }\n\n InterfaceConstructor.call(this, input, output, completer, terminal);\n\n // TODO: Test this\n if (process.env.TERM === \"dumb\") {\n this._ttyWrite = _ttyWriteDumb.bind(this);\n }\n}\n\nObjectSetPrototypeOf(Interface.prototype, _Interface.prototype);\nObjectSetPrototypeOf(Interface, _Interface);\n\n/**\n * Displays `query` by writing it to the `output`.\n * @param {string} query\n * @param {{ signal?: AbortSignal; }} [options]\n * @param {Function} cb\n * @returns {void}\n */\nInterface.prototype.question = function question(query, options, cb) {\n cb = typeof options === \"function\" ? options : cb;\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return;\n }\n\n var onAbort = () => {\n this[kQuestionCancel]();\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n var cleanup = () => {\n signal.removeEventListener(\"abort\", onAbort);\n };\n var originalCb = cb;\n cb =\n typeof cb === \"function\"\n ? answer => {\n cleanup();\n return originalCb(answer);\n }\n : cleanup;\n }\n\n if (typeof cb === \"function\") {\n this[kQuestion](query, cb);\n }\n};\n\nInterface.prototype.question[promisify.custom] = function question(query, options) {\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n\n if (signal && signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (signal) {\n var onAbort = () => {\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this.question(query, options, cb);\n });\n};\n\n/**\n * Creates a new `readline.Interface` instance.\n * @param {Readable | {\n * input: Readable;\n * output: Writable;\n * completer?: Function;\n * terminal?: boolean;\n * history?: string[];\n * historySize?: number;\n * removeHistoryDuplicates?: boolean;\n * prompt?: string;\n * crlfDelay?: number;\n * escapeCodeTimeout?: number;\n * tabSize?: number;\n * signal?: AbortSignal;\n * }} input\n * @param {Writable} [output]\n * @param {Function} [completer]\n * @param {boolean} [terminal]\n * @returns {Interface}\n */\nfunction createInterface(input, output, completer, terminal) {\n return new Interface(input, output, completer, terminal);\n}\n\nObjectDefineProperties(Interface.prototype, {\n // Redirect internal prototype methods to the underscore notation for backward\n // compatibility.\n [kSetRawMode]: {\n __proto__: null,\n get() {\n return this._setRawMode;\n },\n },\n [kOnLine]: {\n __proto__: null,\n get() {\n return this._onLine;\n },\n },\n [kWriteToOutput]: {\n __proto__: null,\n get() {\n return this._writeToOutput;\n },\n },\n [kAddHistory]: {\n __proto__: null,\n get() {\n return this._addHistory;\n },\n },\n [kRefreshLine]: {\n __proto__: null,\n get() {\n return this._refreshLine;\n },\n },\n [kNormalWrite]: {\n __proto__: null,\n get() {\n return this._normalWrite;\n },\n },\n [kInsertString]: {\n __proto__: null,\n get() {\n return this._insertString;\n },\n },\n [kTabComplete]: {\n __proto__: null,\n get() {\n return this._tabComplete;\n },\n },\n [kWordLeft]: {\n __proto__: null,\n get() {\n return this._wordLeft;\n },\n },\n [kWordRight]: {\n __proto__: null,\n get() {\n return this._wordRight;\n },\n },\n [kDeleteLeft]: {\n __proto__: null,\n get() {\n return this._deleteLeft;\n },\n },\n [kDeleteRight]: {\n __proto__: null,\n get() {\n return this._deleteRight;\n },\n },\n [kDeleteWordLeft]: {\n __proto__: null,\n get() {\n return this._deleteWordLeft;\n },\n },\n [kDeleteWordRight]: {\n __proto__: null,\n get() {\n return this._deleteWordRight;\n },\n },\n [kDeleteLineLeft]: {\n __proto__: null,\n get() {\n return this._deleteLineLeft;\n },\n },\n [kDeleteLineRight]: {\n __proto__: null,\n get() {\n return this._deleteLineRight;\n },\n },\n [kLine]: {\n __proto__: null,\n get() {\n return this._line;\n },\n },\n [kHistoryNext]: {\n __proto__: null,\n get() {\n return this._historyNext;\n },\n },\n [kHistoryPrev]: {\n __proto__: null,\n get() {\n return this._historyPrev;\n },\n },\n [kGetDisplayPos]: {\n __proto__: null,\n get() {\n return this._getDisplayPos;\n },\n },\n [kMoveCursor]: {\n __proto__: null,\n get() {\n return this._moveCursor;\n },\n },\n [kTtyWrite]: {\n __proto__: null,\n get() {\n return this._ttyWrite;\n },\n },\n\n // Defining proxies for the internal instance properties for backward\n // compatibility.\n _decoder: {\n __proto__: null,\n get() {\n return this[kDecoder];\n },\n set(value) {\n this[kDecoder] = value;\n },\n },\n _line_buffer: {\n __proto__: null,\n get() {\n return this[kLine_buffer];\n },\n set(value) {\n this[kLine_buffer] = value;\n },\n },\n _oldPrompt: {\n __proto__: null,\n get() {\n return this[kOldPrompt];\n },\n set(value) {\n this[kOldPrompt] = value;\n },\n },\n _previousKey: {\n __proto__: null,\n get() {\n return this[kPreviousKey];\n },\n set(value) {\n this[kPreviousKey] = value;\n },\n },\n _prompt: {\n __proto__: null,\n get() {\n return this[kPrompt];\n },\n set(value) {\n this[kPrompt] = value;\n },\n },\n _questionCallback: {\n __proto__: null,\n get() {\n return this[kQuestionCallback];\n },\n set(value) {\n this[kQuestionCallback] = value;\n },\n },\n _sawKeyPress: {\n __proto__: null,\n get() {\n return this[kSawKeyPress];\n },\n set(value) {\n this[kSawKeyPress] = value;\n },\n },\n _sawReturnAt: {\n __proto__: null,\n get() {\n return this[kSawReturnAt];\n },\n set(value) {\n this[kSawReturnAt] = value;\n },\n },\n});\n\n// Make internal methods public for backward compatibility.\nInterface.prototype._setRawMode = _Interface.prototype[kSetRawMode];\nInterface.prototype._onLine = _Interface.prototype[kOnLine];\nInterface.prototype._writeToOutput = _Interface.prototype[kWriteToOutput];\nInterface.prototype._addHistory = _Interface.prototype[kAddHistory];\nInterface.prototype._refreshLine = _Interface.prototype[kRefreshLine];\nInterface.prototype._normalWrite = _Interface.prototype[kNormalWrite];\nInterface.prototype._insertString = _Interface.prototype[kInsertString];\nInterface.prototype._tabComplete = function (lastKeypressWasTab) {\n // Overriding parent method because `this.completer` in the legacy\n // implementation takes a callback instead of being an async function.\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.completer(string, (err, value) => {\n this.resume();\n\n if (err) {\n this._writeToOutput(`Tab completion error: ${inspect(err)}`);\n return;\n }\n\n this[kTabCompleter](lastKeypressWasTab, value);\n });\n};\nInterface.prototype._wordLeft = _Interface.prototype[kWordLeft];\nInterface.prototype._wordRight = _Interface.prototype[kWordRight];\nInterface.prototype._deleteLeft = _Interface.prototype[kDeleteLeft];\nInterface.prototype._deleteRight = _Interface.prototype[kDeleteRight];\nInterface.prototype._deleteWordLeft = _Interface.prototype[kDeleteWordLeft];\nInterface.prototype._deleteWordRight = _Interface.prototype[kDeleteWordRight];\nInterface.prototype._deleteLineLeft = _Interface.prototype[kDeleteLineLeft];\nInterface.prototype._deleteLineRight = _Interface.prototype[kDeleteLineRight];\nInterface.prototype._line = _Interface.prototype[kLine];\nInterface.prototype._historyNext = _Interface.prototype[kHistoryNext];\nInterface.prototype._historyPrev = _Interface.prototype[kHistoryPrev];\nInterface.prototype._getDisplayPos = _Interface.prototype[kGetDisplayPos];\nInterface.prototype._getCursorPos = _Interface.prototype.getCursorPos;\nInterface.prototype._moveCursor = _Interface.prototype[kMoveCursor];\nInterface.prototype._ttyWrite = _Interface.prototype[kTtyWrite];\n\nfunction _ttyWriteDumb(s, key) {\n key = key || kEmptyObject;\n\n if (key.name === \"escape\") return;\n\n if (this[kSawReturnAt] && key.name !== \"enter\") this[kSawReturnAt] = 0;\n\n if (keyCtrl) {\n if (key.name === \"c\") {\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n\n return;\n } else if (key.name === \"d\") {\n this.close();\n return;\n }\n }\n\n switch (key.name) {\n case \"return\": // Carriage return, i.e. \\r\n this[kSawReturnAt] = DateNow();\n this._line();\n break;\n\n case \"enter\":\n // When key interval > crlfDelay\n if (this[kSawReturnAt] === 0 || DateNow() - this[kSawReturnAt] > this.crlfDelay) {\n this._line();\n }\n this[kSawReturnAt] = 0;\n break;\n\n default:\n if (typeof s === \"string\" && s) {\n this.line += s;\n this.cursor += s.length;\n this._writeToOutput(s);\n }\n }\n}\n\nclass Readline {\n #autoCommit = false;\n #stream;\n #todo = [];\n\n constructor(stream, options = undefined) {\n isWritable ??= import.meta.require(\"node:stream\").isWritable;\n if (!isWritable(stream)) throw new ERR_INVALID_ARG_TYPE(\"stream\", \"Writable\", stream);\n this.#stream = stream;\n if (options?.autoCommit != null) {\n validateBoolean(options.autoCommit, \"options.autoCommit\");\n this.#autoCommit = options.autoCommit;\n }\n }\n\n /**\n * Moves the cursor to the x and y coordinate on the given stream.\n * @param {integer} x\n * @param {integer} [y]\n * @returns {Readline} this\n */\n cursorTo(x, y = undefined) {\n validateInteger(x, \"x\");\n if (y != null) validateInteger(y, \"y\");\n\n var data = y == null ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n\n return this;\n }\n\n /**\n * Moves the cursor relative to its current location.\n * @param {integer} dx\n * @param {integer} dy\n * @returns {Readline} this\n */\n moveCursor(dx, dy) {\n if (dx || dy) {\n validateInteger(dx, \"dx\");\n validateInteger(dy, \"dy\");\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n }\n return this;\n }\n\n /**\n * Clears the current line the cursor is on.\n * @param {-1|0|1} dir Direction to clear:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n * @returns {Readline} this\n */\n clearLine(dir) {\n validateInteger(dir, \"dir\", -1, 1);\n\n var data = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));\n else ArrayPrototypePush.call(this.#todo, data);\n return this;\n }\n\n /**\n * Clears the screen from the current position of the cursor down.\n * @returns {Readline} this\n */\n clearScreenDown() {\n if (this.#autoCommit) {\n process.nextTick(() => this.#stream.write(kClearScreenDown));\n } else {\n ArrayPrototypePush.call(this.#todo, kClearScreenDown);\n }\n return this;\n }\n\n /**\n * Sends all the pending actions to the associated `stream` and clears the\n * internal list of pending actions.\n * @returns {Promise<void>} Resolves when all pending actions have been\n * flushed to the associated `stream`.\n */\n commit() {\n return new Promise(resolve => {\n this.#stream.write(ArrayPrototypeJoin.call(this.#todo, \"\"), resolve);\n this.#todo = [];\n });\n }\n\n /**\n * Clears the internal list of pending actions without sending it to the\n * associated `stream`.\n * @returns {Readline} this\n */\n rollback() {\n this.#todo = [];\n return this;\n }\n}\n\nvar PromisesInterface = class Interface extends _Interface {\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n question(query, options = kEmptyObject) {\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n }\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (options?.signal) {\n var onAbort = () => {\n this[kQuestionCancel]();\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this[kQuestion](query, cb);\n });\n }\n};\n\n// ----------------------------------------------------------------------------\n// Exports\n// ----------------------------------------------------------------------------\nexport var Interface = Interface;\nexport var clearLine = clearLine;\nexport var clearScreenDown = clearScreenDown;\nexport var createInterface = createInterface;\nexport var cursorTo = cursorTo;\nexport var emitKeypressEvents = emitKeypressEvents;\nexport var moveCursor = moveCursor;\nexport var promises = {\n Readline,\n Interface: PromisesInterface,\n createInterface(input, output, completer, terminal) {\n return new PromisesInterface(input, output, completer, terminal);\n },\n};\n\nexport default {\n Interface,\n clearLine,\n clearScreenDown,\n createInterface,\n cursorTo,\n emitKeypressEvents,\n moveCursor,\n promises,\n\n [SymbolFor(\"__BUN_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED__\")]: {\n CSI,\n utils: {\n getStringWidth,\n stripVTControlCharacters,\n },\n },\n [SymbolFor(\"CommonJS\")]: 0,\n};\n", - "// Hardcoded module \"node:readline\"\n// Attribution: Some parts of of this module are derived from code originating from the Node.js\n// readline module which is licensed under an MIT license:\n//\n// Copyright Node.js contributors. All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n// IN THE SOFTWARE.\n\n// ----------------------------------------------------------------------------\n// Section: Imports\n// ----------------------------------------------------------------------------\nvar { Array, RegExp, String, Bun } = import.meta.primordials;\nvar EventEmitter = import.meta.require(\"node:events\");\nvar { clearTimeout, setTimeout } = import.meta.require(\"timers\");\nvar { StringDecoder } = import.meta.require(\"string_decoder\");\nvar isWritable;\n\nvar { inspect } = Bun;\nvar debug = process.env.BUN_JS_DEBUG ? console.log : () => {};\n\n// ----------------------------------------------------------------------------\n// Section: Preamble\n// ----------------------------------------------------------------------------\n\nvar SymbolAsyncIterator = Symbol.asyncIterator;\nvar SymbolIterator = Symbol.iterator;\nvar SymbolFor = Symbol.for;\nvar SymbolReplace = Symbol.replace;\nvar ArrayFrom = Array.from;\nvar ArrayIsArray = Array.isArray;\nvar ArrayPrototypeFilter = Array.prototype.filter;\nvar ArrayPrototypeSort = Array.prototype.sort;\nvar ArrayPrototypeIndexOf = Array.prototype.indexOf;\nvar ArrayPrototypeJoin = Array.prototype.join;\nvar ArrayPrototypeMap = Array.prototype.map;\nvar ArrayPrototypePop = Array.prototype.pop;\nvar ArrayPrototypePush = Array.prototype.push;\nvar ArrayPrototypeSlice = Array.prototype.slice;\nvar ArrayPrototypeSplice = Array.prototype.splice;\nvar ArrayPrototypeReverse = Array.prototype.reverse;\nvar ArrayPrototypeShift = Array.prototype.shift;\nvar ArrayPrototypeUnshift = Array.prototype.unshift;\nvar RegExpPrototypeExec = RegExp.prototype.exec;\nvar RegExpPrototypeSymbolReplace = RegExp.prototype[SymbolReplace];\nvar StringFromCharCode = String.fromCharCode;\nvar StringPrototypeCharCodeAt = String.prototype.charCodeAt;\nvar StringPrototypeCodePointAt = String.prototype.codePointAt;\nvar StringPrototypeSlice = String.prototype.slice;\nvar StringPrototypeToLowerCase = String.prototype.toLowerCase;\nvar StringPrototypeEndsWith = String.prototype.endsWith;\nvar StringPrototypeRepeat = String.prototype.repeat;\nvar StringPrototypeStartsWith = String.prototype.startsWith;\nvar StringPrototypeTrim = String.prototype.trim;\nvar StringPrototypeNormalize = String.prototype.normalize;\nvar NumberIsNaN = Number.isNaN;\nvar NumberIsFinite = Number.isFinite;\nvar NumberIsInteger = Number.isInteger;\nvar NumberMAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;\nvar NumberMIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER;\nvar MathCeil = Math.ceil;\nvar MathFloor = Math.floor;\nvar MathMax = Math.max;\nvar MathMaxApply = Math.max.apply;\nvar DateNow = Date.now;\nvar FunctionPrototype = Function.prototype;\nvar StringPrototype = String.prototype;\nvar StringPrototypeSymbolIterator = StringPrototype[SymbolIterator];\nvar StringIteratorPrototypeNext = StringPrototypeSymbolIterator.call(\"\").next;\nvar ObjectSetPrototypeOf = Object.setPrototypeOf;\nvar ObjectDefineProperty = Object.defineProperty;\nvar ObjectDefineProperties = Object.defineProperties;\nvar ObjectFreeze = Object.freeze;\nvar ObjectAssign = Object.assign;\nvar ObjectCreate = Object.create;\nvar ObjectKeys = Object.keys;\nvar ObjectSeal = Object.seal;\n\nvar createSafeIterator = (factory, next) => {\n class SafeIterator {\n #iterator;\n constructor(iterable) {\n this.#iterator = factory.call(iterable);\n }\n next() {\n return next.call(this.#iterator);\n }\n [SymbolIterator]() {\n return this;\n }\n }\n ObjectSetPrototypeOf(SafeIterator.prototype, null);\n ObjectFreeze(SafeIterator.prototype);\n ObjectFreeze(SafeIterator);\n return SafeIterator;\n};\n\nvar SafeStringIterator = createSafeIterator(StringPrototypeSymbolIterator, StringIteratorPrototypeNext);\n\n// ----------------------------------------------------------------------------\n// Section: \"Internal\" modules\n// ----------------------------------------------------------------------------\n\n/**\n * Returns true if the character represented by a given\n * Unicode code point is full-width. Otherwise returns false.\n */\nvar isFullWidthCodePoint = code => {\n // Code points are partially derived from:\n // https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt\n return (\n code >= 0x1100 &&\n (code <= 0x115f || // Hangul Jamo\n code === 0x2329 || // LEFT-POINTING ANGLE BRACKET\n code === 0x232a || // RIGHT-POINTING ANGLE BRACKET\n // CJK Radicals Supplement .. Enclosed CJK Letters and Months\n (code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||\n // Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A\n (code >= 0x3250 && code <= 0x4dbf) ||\n // CJK Unified Ideographs .. Yi Radicals\n (code >= 0x4e00 && code <= 0xa4c6) ||\n // Hangul Jamo Extended-A\n (code >= 0xa960 && code <= 0xa97c) ||\n // Hangul Syllables\n (code >= 0xac00 && code <= 0xd7a3) ||\n // CJK Compatibility Ideographs\n (code >= 0xf900 && code <= 0xfaff) ||\n // Vertical Forms\n (code >= 0xfe10 && code <= 0xfe19) ||\n // CJK Compatibility Forms .. Small Form Variants\n (code >= 0xfe30 && code <= 0xfe6b) ||\n // Halfwidth and Fullwidth Forms\n (code >= 0xff01 && code <= 0xff60) ||\n (code >= 0xffe0 && code <= 0xffe6) ||\n // Kana Supplement\n (code >= 0x1b000 && code <= 0x1b001) ||\n // Enclosed Ideographic Supplement\n (code >= 0x1f200 && code <= 0x1f251) ||\n // Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff\n // Emoticons 0x1f600 - 0x1f64f\n (code >= 0x1f300 && code <= 0x1f64f) ||\n // CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane\n (code >= 0x20000 && code <= 0x3fffd))\n );\n};\n\nvar isZeroWidthCodePoint = code => {\n return (\n code <= 0x1f || // C0 control codes\n (code >= 0x7f && code <= 0x9f) || // C1 control codes\n (code >= 0x300 && code <= 0x36f) || // Combining Diacritical Marks\n (code >= 0x200b && code <= 0x200f) || // Modifying Invisible Characters\n // Combining Diacritical Marks for Symbols\n (code >= 0x20d0 && code <= 0x20ff) ||\n (code >= 0xfe00 && code <= 0xfe0f) || // Variation Selectors\n (code >= 0xfe20 && code <= 0xfe2f) || // Combining Half Marks\n (code >= 0xe0100 && code <= 0xe01ef)\n ); // Variation Selectors\n};\n\n/**\n * Returns the number of columns required to display the given string.\n */\nvar getStringWidth = function getStringWidth(str, removeControlChars = true) {\n var width = 0;\n\n if (removeControlChars) str = stripVTControlCharacters(str);\n str = StringPrototypeNormalize.call(str, \"NFC\");\n for (var char of new SafeStringIterator(str)) {\n var code = StringPrototypeCodePointAt.call(char, 0);\n if (isFullWidthCodePoint(code)) {\n width += 2;\n } else if (!isZeroWidthCodePoint(code)) {\n width++;\n }\n }\n\n return width;\n};\n\n// Regex used for ansi escape code splitting\n// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js\n// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore\n// Matches all ansi escape code sequences in a string\nvar ansiPattern =\n \"[\\\\u001B\\\\u009B][[\\\\]()#;?]*\" +\n \"(?:(?:(?:(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]+)*\" +\n \"|[a-zA-Z\\\\d]+(?:;[-a-zA-Z\\\\d\\\\/#&.:=?%@~_]*)*)?\\\\u0007)\" +\n \"|(?:(?:\\\\d{1,4}(?:;\\\\d{0,4})*)?[\\\\dA-PR-TZcf-ntqry=><~]))\";\nvar ansi = new RegExp(ansiPattern, \"g\");\n\n/**\n * Remove all VT control characters. Use to estimate displayed string width.\n */\nfunction stripVTControlCharacters(str) {\n validateString(str, \"str\");\n return RegExpPrototypeSymbolReplace.call(ansi, str, \"\");\n}\n\n// Promisify\n\nvar kCustomPromisifiedSymbol = SymbolFor(\"nodejs.util.promisify.custom\");\nvar kCustomPromisifyArgsSymbol = Symbol(\"customPromisifyArgs\");\n\nfunction promisify(original) {\n validateFunction(original, \"original\");\n\n if (original[kCustomPromisifiedSymbol]) {\n var fn = original[kCustomPromisifiedSymbol];\n\n validateFunction(fn, \"util.promisify.custom\");\n\n return ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n }\n\n // Names to create an object from in case the callback receives multiple\n // arguments, e.g. ['bytesRead', 'buffer'] for fs.read.\n var argumentNames = original[kCustomPromisifyArgsSymbol];\n\n function fn(...args) {\n return new Promise((resolve, reject) => {\n ArrayPrototypePush.call(args, (err, ...values) => {\n if (err) {\n return reject(err);\n }\n if (argumentNames !== undefined && values.length > 1) {\n var obj = {};\n for (var i = 0; i < argumentNames.length; i++) obj[argumentNames[i]] = values[i];\n resolve(obj);\n } else {\n resolve(values[0]);\n }\n });\n ReflectApply(original, this, args);\n });\n }\n\n ObjectSetPrototypeOf(fn, ObjectGetPrototypeOf(original));\n\n ObjectDefineProperty(fn, kCustomPromisifiedSymbol, {\n __proto__: null,\n value: fn,\n enumerable: false,\n writable: false,\n configurable: true,\n });\n\n var descriptors = ObjectGetOwnPropertyDescriptors(original);\n var propertiesValues = ObjectValues(descriptors);\n for (var i = 0; i < propertiesValues.length; i++) {\n // We want to use null-prototype objects to not rely on globally mutable\n // %Object.prototype%.\n ObjectSetPrototypeOf(propertiesValues[i], null);\n }\n return ObjectDefineProperties(fn, descriptors);\n}\n\npromisify.custom = kCustomPromisifiedSymbol;\n\n// Constants\n\nvar kUTF16SurrogateThreshold = 0x10000; // 2 ** 16\nvar kEscape = \"\\x1b\";\nvar kSubstringSearch = Symbol(\"kSubstringSearch\");\n\nvar kIsNodeError = Symbol(\"kIsNodeError\");\n\n// Errors\nvar errorBases = {};\nvar VALID_NODE_ERROR_BASES = {\n TypeError,\n RangeError,\n Error,\n};\n\nfunction getNodeErrorByName(typeName) {\n var base = errorBases[typeName];\n if (base) {\n return base;\n }\n if (!ObjectKeys(VALID_NODE_ERROR_BASES).includes(typeName)) {\n throw new Error(\"Invalid NodeError type\");\n }\n\n var Base = VALID_NODE_ERROR_BASES[typeName];\n\n class NodeError extends Base {\n [kIsNodeError] = true;\n code;\n constructor(msg, opts) {\n super(msg, opts);\n this.code = opts?.code || \"ERR_GENERIC\";\n }\n\n toString() {\n return `${this.name} [${this.code}]: ${this.message}`;\n }\n }\n errorBases[typeName] = NodeError;\n return NodeError;\n}\n\nvar NodeError = getNodeErrorByName(\"Error\");\nvar NodeTypeError = getNodeErrorByName(\"TypeError\");\nvar NodeRangeError = getNodeErrorByName(\"RangeError\");\n\nclass ERR_INVALID_ARG_TYPE extends NodeTypeError {\n constructor(name, type, value) {\n super(`The \"${name}\" argument must be of type ${type}. Received type ${typeof value}`, {\n code: \"ERR_INVALID_ARG_TYPE\",\n });\n }\n}\n\nclass ERR_INVALID_ARG_VALUE extends NodeTypeError {\n constructor(name, value, reason = \"not specified\") {\n super(`The value \"${String(value)}\" is invalid for argument '${name}'. Reason: ${reason}`, {\n code: \"ERR_INVALID_ARG_VALUE\",\n });\n }\n}\n\nclass ERR_INVALID_CURSOR_POS extends NodeTypeError {\n constructor() {\n super(\"Cannot set cursor row without setting its column\", {\n code: \"ERR_INVALID_CURSOR_POS\",\n });\n }\n}\n\nclass ERR_OUT_OF_RANGE extends NodeRangeError {\n constructor(name, range, received) {\n super(`The value of \"${name}\" is out of range. It must be ${range}. Received ${received}`, {\n code: \"ERR_OUT_OF_RANGE\",\n });\n }\n}\n\nclass ERR_USE_AFTER_CLOSE extends NodeError {\n constructor() {\n super(\"This socket has been ended by the other party\", {\n code: \"ERR_USE_AFTER_CLOSE\",\n });\n }\n}\n\nclass AbortError extends Error {\n code;\n constructor() {\n super(\"The operation was aborted\");\n this.code = \"ABORT_ERR\";\n }\n}\n\n// Validators\n\n/**\n * @callback validateFunction\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is Function}\n */\nfunction validateFunction(value, name) {\n if (typeof value !== \"function\") throw new ERR_INVALID_ARG_TYPE(name, \"Function\", value);\n}\n\n/**\n * @callback validateAbortSignal\n * @param {*} signal\n * @param {string} name\n */\nfunction validateAbortSignal(signal, name) {\n if (signal !== undefined && (signal === null || typeof signal !== \"object\" || !(\"aborted\" in signal))) {\n throw new ERR_INVALID_ARG_TYPE(name, \"AbortSignal\", signal);\n }\n}\n\n/**\n * @callback validateArray\n * @param {*} value\n * @param {string} name\n * @param {number} [minLength]\n * @returns {asserts value is any[]}\n */\nfunction validateArray(value, name, minLength = 0) {\n // var validateArray = hideStackFrames((value, name, minLength = 0) => {\n if (!ArrayIsArray(value)) {\n throw new ERR_INVALID_ARG_TYPE(name, \"Array\", value);\n }\n if (value.length < minLength) {\n var reason = `must be longer than ${minLength}`;\n throw new ERR_INVALID_ARG_VALUE(name, value, reason);\n }\n}\n\n/**\n * @callback validateString\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is string}\n */\nfunction validateString(value, name) {\n if (typeof value !== \"string\") throw new ERR_INVALID_ARG_TYPE(name, \"string\", value);\n}\n\n/**\n * @callback validateBoolean\n * @param {*} value\n * @param {string} name\n * @returns {asserts value is boolean}\n */\nfunction validateBoolean(value, name) {\n if (typeof value !== \"boolean\") throw new ERR_INVALID_ARG_TYPE(name, \"boolean\", value);\n}\n\n/**\n * @callback validateObject\n * @param {*} value\n * @param {string} name\n * @param {{\n * allowArray?: boolean,\n * allowFunction?: boolean,\n * nullable?: boolean\n * }} [options]\n */\nfunction validateObject(value, name, options = null) {\n // var validateObject = hideStackFrames((value, name, options = null) => {\n var allowArray = options?.allowArray ?? false;\n var allowFunction = options?.allowFunction ?? false;\n var nullable = options?.nullable ?? false;\n if (\n (!nullable && value === null) ||\n (!allowArray && ArrayIsArray.call(value)) ||\n (typeof value !== \"object\" && (!allowFunction || typeof value !== \"function\"))\n ) {\n throw new ERR_INVALID_ARG_TYPE(name, \"object\", value);\n }\n}\n\n/**\n * @callback validateInteger\n * @param {*} value\n * @param {string} name\n * @param {number} [min]\n * @param {number} [max]\n * @returns {asserts value is number}\n */\nfunction validateInteger(value, name, min = NumberMIN_SAFE_INTEGER, max = NumberMAX_SAFE_INTEGER) {\n if (typeof value !== \"number\") throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n if (!NumberIsInteger(value)) throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n if (value < min || value > max) throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n}\n\n/**\n * @callback validateUint32\n * @param {*} value\n * @param {string} name\n * @param {number|boolean} [positive=false]\n * @returns {asserts value is number}\n */\nfunction validateUint32(value, name, positive = false) {\n if (typeof value !== \"number\") {\n throw new ERR_INVALID_ARG_TYPE(name, \"number\", value);\n }\n\n if (!NumberIsInteger(value)) {\n throw new ERR_OUT_OF_RANGE(name, \"an integer\", value);\n }\n\n var min = positive ? 1 : 0; // 2 ** 32 === 4294967296\n var max = 4_294_967_295;\n\n if (value < min || value > max) {\n throw new ERR_OUT_OF_RANGE(name, `>= ${min} && <= ${max}`, value);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Utils\n// ----------------------------------------------------------------------------\n\nfunction CSI(strings, ...args) {\n var ret = `${kEscape}[`;\n for (var n = 0; n < strings.length; n++) {\n ret += strings[n];\n if (n < args.length) ret += args[n];\n }\n return ret;\n}\n\nvar kClearLine, kClearScreenDown, kClearToLineBeginning, kClearToLineEnd;\n\nCSI.kEscape = kEscape;\nCSI.kClearLine = kClearLine = CSI`2K`;\nCSI.kClearScreenDown = kClearScreenDown = CSI`0J`;\nCSI.kClearToLineBeginning = kClearToLineBeginning = CSI`1K`;\nCSI.kClearToLineEnd = kClearToLineEnd = CSI`0K`;\n\nfunction charLengthLeft(str, i) {\n if (i <= 0) return 0;\n if (\n (i > 1 && StringPrototypeCodePointAt.call(str, i - 2) >= kUTF16SurrogateThreshold) ||\n StringPrototypeCodePointAt.call(str, i - 1) >= kUTF16SurrogateThreshold\n ) {\n return 2;\n }\n return 1;\n}\n\nfunction charLengthAt(str, i) {\n if (str.length <= i) {\n // Pretend to move to the right. This is necessary to autocomplete while\n // moving to the right.\n return 1;\n }\n return StringPrototypeCodePointAt.call(str, i) >= kUTF16SurrogateThreshold ? 2 : 1;\n}\n\n/*\n Some patterns seen in terminal key escape codes, derived from combos seen\n at http://www.midnight-commander.org/browser/lib/tty/key.c\n ESC letter\n ESC [ letter\n ESC [ modifier letter\n ESC [ 1 ; modifier letter\n ESC [ num char\n ESC [ num ; modifier char\n ESC O letter\n ESC O modifier letter\n ESC O 1 ; modifier letter\n ESC N letter\n ESC [ [ num ; modifier char\n ESC [ [ 1 ; modifier letter\n ESC ESC [ num char\n ESC ESC O letter\n - char is usually ~ but $ and ^ also happen with rxvt\n - modifier is 1 +\n (shift * 1) +\n (left_alt * 2) +\n (ctrl * 4) +\n (right_alt * 8)\n - two leading ESCs apparently mean the same as one leading ESC\n*/\nfunction* emitKeys(stream) {\n while (true) {\n var ch = yield;\n var s = ch;\n var escaped = false;\n\n var keySeq = null;\n var keyName;\n var keyCtrl = false;\n var keyMeta = false;\n var keyShift = false;\n\n // var key = {\n // sequence: null,\n // name: undefined,\n // ctrl: false,\n // meta: false,\n // shift: false,\n // };\n\n if (ch === kEscape) {\n escaped = true;\n s += ch = yield;\n\n if (ch === kEscape) {\n s += ch = yield;\n }\n }\n\n if (escaped && (ch === \"O\" || ch === \"[\")) {\n // ANSI escape sequence\n var code = ch;\n var modifier = 0;\n\n if (ch === \"O\") {\n // ESC O letter\n // ESC O modifier letter\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n modifier = (ch >> 0) - 1;\n s += ch = yield;\n }\n\n code += ch;\n } else if (ch === \"[\") {\n // ESC [ letter\n // ESC [ modifier letter\n // ESC [ [ modifier letter\n // ESC [ [ num char\n s += ch = yield;\n\n if (ch === \"[\") {\n // \\x1b[[A\n // ^--- escape codes might have a second bracket\n code += ch;\n s += ch = yield;\n }\n\n /*\n * Here and later we try to buffer just enough data to get\n * a complete ascii sequence.\n *\n * We have basically two classes of ascii characters to process:\n *\n *\n * 1. `\\x1b[24;5~` should be parsed as { code: '[24~', modifier: 5 }\n *\n * This particular example is featuring Ctrl+F12 in xterm.\n *\n * - `;5` part is optional, e.g. it could be `\\x1b[24~`\n * - first part can contain one or two digits\n *\n * So the generic regexp is like /^\\d\\d?(;\\d)?[~^$]$/\n *\n *\n * 2. `\\x1b[1;5H` should be parsed as { code: '[H', modifier: 5 }\n *\n * This particular example is featuring Ctrl+Home in xterm.\n *\n * - `1;5` part is optional, e.g. it could be `\\x1b[H`\n * - `1;` part is optional, e.g. it could be `\\x1b[5H`\n *\n * So the generic regexp is like /^((\\d;)?\\d)?[A-Za-z]$/\n *\n */\n var cmdStart = s.length - 1;\n\n // Skip one or two leading digits\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += ch = yield;\n }\n }\n\n // skip modifier\n if (ch === \";\") {\n s += ch = yield;\n\n if (ch >= \"0\" && ch <= \"9\") {\n s += yield;\n }\n }\n\n /*\n * We buffered enough data, now trying to extract code\n * and modifier from it\n */\n var cmd = StringPrototypeSlice.call(s, cmdStart);\n var match;\n\n if ((match = RegExpPrototypeExec.call(/^(\\d\\d?)(;(\\d))?([~^$])$/, cmd))) {\n code += match[1] + match[4];\n modifier = (match[3] || 1) - 1;\n } else if ((match = RegExpPrototypeExec.call(/^((\\d;)?(\\d))?([A-Za-z])$/, cmd))) {\n code += match[4];\n modifier = (match[3] || 1) - 1;\n } else {\n code += cmd;\n }\n }\n\n // Parse the key modifier\n keyCtrl = !!(modifier & 4);\n keyMeta = !!(modifier & 10);\n keyShift = !!(modifier & 1);\n keyCode = code;\n\n // Parse the key itself\n switch (code) {\n /* xterm/gnome ESC [ letter (with modifier) */\n case \"[P\":\n keyName = \"f1\";\n break;\n case \"[Q\":\n keyName = \"f2\";\n break;\n case \"[R\":\n keyName = \"f3\";\n break;\n case \"[S\":\n keyName = \"f4\";\n break;\n\n /* xterm/gnome ESC O letter (without modifier) */\n case \"OP\":\n keyName = \"f1\";\n break;\n case \"OQ\":\n keyName = \"f2\";\n break;\n case \"OR\":\n keyName = \"f3\";\n break;\n case \"OS\":\n keyName = \"f4\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[11~\":\n keyName = \"f1\";\n break;\n case \"[12~\":\n keyName = \"f2\";\n break;\n case \"[13~\":\n keyName = \"f3\";\n break;\n case \"[14~\":\n keyName = \"f4\";\n break;\n\n /* from Cygwin and used in libuv */\n case \"[[A\":\n keyName = \"f1\";\n break;\n case \"[[B\":\n keyName = \"f2\";\n break;\n case \"[[C\":\n keyName = \"f3\";\n break;\n case \"[[D\":\n keyName = \"f4\";\n break;\n case \"[[E\":\n keyName = \"f5\";\n break;\n\n /* common */\n case \"[15~\":\n keyName = \"f5\";\n break;\n case \"[17~\":\n keyName = \"f6\";\n break;\n case \"[18~\":\n keyName = \"f7\";\n break;\n case \"[19~\":\n keyName = \"f8\";\n break;\n case \"[20~\":\n keyName = \"f9\";\n break;\n case \"[21~\":\n keyName = \"f10\";\n break;\n case \"[23~\":\n keyName = \"f11\";\n break;\n case \"[24~\":\n keyName = \"f12\";\n break;\n\n /* xterm ESC [ letter */\n case \"[A\":\n keyName = \"up\";\n break;\n case \"[B\":\n keyName = \"down\";\n break;\n case \"[C\":\n keyName = \"right\";\n break;\n case \"[D\":\n keyName = \"left\";\n break;\n case \"[E\":\n keyName = \"clear\";\n break;\n case \"[F\":\n keyName = \"end\";\n break;\n case \"[H\":\n keyName = \"home\";\n break;\n\n /* xterm/gnome ESC O letter */\n case \"OA\":\n keyName = \"up\";\n break;\n case \"OB\":\n keyName = \"down\";\n break;\n case \"OC\":\n keyName = \"right\";\n break;\n case \"OD\":\n keyName = \"left\";\n break;\n case \"OE\":\n keyName = \"clear\";\n break;\n case \"OF\":\n keyName = \"end\";\n break;\n case \"OH\":\n keyName = \"home\";\n break;\n\n /* xterm/rxvt ESC [ number ~ */\n case \"[1~\":\n keyName = \"home\";\n break;\n case \"[2~\":\n keyName = \"insert\";\n break;\n case \"[3~\":\n keyName = \"delete\";\n break;\n case \"[4~\":\n keyName = \"end\";\n break;\n case \"[5~\":\n keyName = \"pageup\";\n break;\n case \"[6~\":\n keyName = \"pagedown\";\n break;\n\n /* putty */\n case \"[[5~\":\n keyName = \"pageup\";\n break;\n case \"[[6~\":\n keyName = \"pagedown\";\n break;\n\n /* rxvt */\n case \"[7~\":\n keyName = \"home\";\n break;\n case \"[8~\":\n keyName = \"end\";\n break;\n\n /* rxvt keys with modifiers */\n case \"[a\":\n keyName = \"up\";\n keyShift = true;\n break;\n case \"[b\":\n keyName = \"down\";\n keyShift = true;\n break;\n case \"[c\":\n keyName = \"right\";\n keyShift = true;\n break;\n case \"[d\":\n keyName = \"left\";\n keyShift = true;\n break;\n case \"[e\":\n keyName = \"clear\";\n keyShift = true;\n break;\n\n case \"[2$\":\n keyName = \"insert\";\n keyShift = true;\n break;\n case \"[3$\":\n keyName = \"delete\";\n keyShift = true;\n break;\n case \"[5$\":\n keyName = \"pageup\";\n keyShift = true;\n break;\n case \"[6$\":\n keyName = \"pagedown\";\n keyShift = true;\n break;\n case \"[7$\":\n keyName = \"home\";\n keyShift = true;\n break;\n case \"[8$\":\n keyName = \"end\";\n keyShift = true;\n break;\n\n case \"Oa\":\n keyName = \"up\";\n keyCtrl = true;\n break;\n case \"Ob\":\n keyName = \"down\";\n keyCtrl = true;\n break;\n case \"Oc\":\n keyName = \"right\";\n keyCtrl = true;\n break;\n case \"Od\":\n keyName = \"left\";\n keyCtrl = true;\n break;\n case \"Oe\":\n keyName = \"clear\";\n keyCtrl = true;\n break;\n\n case \"[2^\":\n keyName = \"insert\";\n keyCtrl = true;\n break;\n case \"[3^\":\n keyName = \"delete\";\n keyCtrl = true;\n break;\n case \"[5^\":\n keyName = \"pageup\";\n keyCtrl = true;\n break;\n case \"[6^\":\n keyName = \"pagedown\";\n keyCtrl = true;\n break;\n case \"[7^\":\n keyName = \"home\";\n keyCtrl = true;\n break;\n case \"[8^\":\n keyName = \"end\";\n keyCtrl = true;\n break;\n\n /* misc. */\n case \"[Z\":\n keyName = \"tab\";\n keyShift = true;\n break;\n default:\n keyName = \"undefined\";\n break;\n }\n } else if (ch === \"\\r\") {\n // carriage return\n keyName = \"return\";\n keyMeta = escaped;\n } else if (ch === \"\\n\") {\n // Enter, should have been called linefeed\n keyName = \"enter\";\n keyMeta = escaped;\n } else if (ch === \"\\t\") {\n // tab\n keyName = \"tab\";\n keyMeta = escaped;\n } else if (ch === \"\\b\" || ch === \"\\x7f\") {\n // backspace or ctrl+h\n keyName = \"backspace\";\n keyMeta = escaped;\n } else if (ch === kEscape) {\n // escape key\n keyName = \"escape\";\n keyMeta = escaped;\n } else if (ch === \" \") {\n keyName = \"space\";\n keyMeta = escaped;\n } else if (!escaped && ch <= \"\\x1a\") {\n // ctrl+letter\n keyName = StringFromCharCode(StringPrototypeCharCodeAt.call(ch) + StringPrototypeCharCodeAt.call(\"a\") - 1);\n keyCtrl = true;\n } else if (RegExpPrototypeExec.call(/^[0-9A-Za-z]$/, ch) !== null) {\n // Letter, number, shift+letter\n keyName = StringPrototypeToLowerCase.call(ch);\n keyShift = RegExpPrototypeExec.call(/^[A-Z]$/, ch) !== null;\n keyMeta = escaped;\n } else if (escaped) {\n // Escape sequence timeout\n keyName = ch.length ? undefined : \"escape\";\n keyMeta = true;\n }\n\n keySeq = s;\n\n if (s.length !== 0 && (keyName !== undefined || escaped)) {\n /* Named character or sequence */\n stream.emit(\"keypress\", escaped ? undefined : s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n } else if (charLengthAt(s, 0) === s.length) {\n /* Single unnamed character, e.g. \".\" */\n stream.emit(\"keypress\", s, {\n sequence: keySeq,\n name: keyName,\n ctrl: keyCtrl,\n meta: keyMeta,\n shift: keyShift,\n });\n }\n /* Unrecognized or broken escape sequence, don't emit anything */\n }\n}\n\n// This runs in O(n log n).\nfunction commonPrefix(strings) {\n if (strings.length === 0) {\n return \"\";\n }\n if (strings.length === 1) {\n return strings[0];\n }\n var sorted = ArrayPrototypeSort.call(ArrayPrototypeSlice.call(strings));\n var min = sorted[0];\n var max = sorted[sorted.length - 1];\n for (var i = 0; i < min.length; i++) {\n if (min[i] !== max[i]) {\n return StringPrototypeSlice.call(min, 0, i);\n }\n }\n return min;\n}\n\n// ----------------------------------------------------------------------------\n// Section: Cursor Functions\n// ----------------------------------------------------------------------------\n\n/**\n * moves the cursor to the x and y coordinate on the given stream\n */\n\nfunction cursorTo(stream, x, y, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (typeof y === \"function\") {\n callback = y;\n y = undefined;\n }\n\n if (NumberIsNaN(x)) throw new ERR_INVALID_ARG_VALUE(\"x\", x);\n if (NumberIsNaN(y)) throw new ERR_INVALID_ARG_VALUE(\"y\", y);\n\n if (stream == null || (typeof x !== \"number\" && typeof y !== \"number\")) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n if (typeof x !== \"number\") throw new ERR_INVALID_CURSOR_POS();\n\n var data = typeof y !== \"number\" ? CSI`${x + 1}G` : CSI`${y + 1};${x + 1}H`;\n return stream.write(data, callback);\n}\n\n/**\n * moves the cursor relative to its current location\n */\n\nfunction moveCursor(stream, dx, dy, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream == null || !(dx || dy)) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var data = \"\";\n\n if (dx < 0) {\n data += CSI`${-dx}D`;\n } else if (dx > 0) {\n data += CSI`${dx}C`;\n }\n\n if (dy < 0) {\n data += CSI`${-dy}A`;\n } else if (dy > 0) {\n data += CSI`${dy}B`;\n }\n\n return stream.write(data, callback);\n}\n\n/**\n * clears the current line the cursor is on:\n * -1 for left of the cursor\n * +1 for right of the cursor\n * 0 for the entire line\n */\n\nfunction clearLine(stream, dir, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n var type = dir < 0 ? kClearToLineBeginning : dir > 0 ? kClearToLineEnd : kClearLine;\n return stream.write(type, callback);\n}\n\n/**\n * clears the screen from the current position of the cursor down\n */\n\nfunction clearScreenDown(stream, callback) {\n if (callback !== undefined) {\n validateFunction(callback, \"callback\");\n }\n\n if (stream === null || stream === undefined) {\n if (typeof callback === \"function\") process.nextTick(callback, null);\n return true;\n }\n\n return stream.write(kClearScreenDown, callback);\n}\n\n// ----------------------------------------------------------------------------\n// Section: Emit keypress events\n// ----------------------------------------------------------------------------\n\nvar KEYPRESS_DECODER = Symbol(\"keypress-decoder\");\nvar ESCAPE_DECODER = Symbol(\"escape-decoder\");\n\n// GNU readline library - keyseq-timeout is 500ms (default)\nvar ESCAPE_CODE_TIMEOUT = 500;\n\n/**\n * accepts a readable Stream instance and makes it emit \"keypress\" events\n */\n\nfunction emitKeypressEvents(stream, iface = {}) {\n if (stream[KEYPRESS_DECODER]) return;\n\n stream[KEYPRESS_DECODER] = new StringDecoder(\"utf8\");\n\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n\n var triggerEscape = () => stream[ESCAPE_DECODER].next(\"\");\n var { escapeCodeTimeout = ESCAPE_CODE_TIMEOUT } = iface;\n var timeoutId;\n\n function onData(input) {\n if (stream.listenerCount(\"keypress\") > 0) {\n var string = stream[KEYPRESS_DECODER].write(input);\n if (string) {\n clearTimeout(timeoutId);\n\n // This supports characters of length 2.\n iface[kSawKeyPress] = charLengthAt(string, 0) === string.length;\n iface.isCompletionEnabled = false;\n\n var length = 0;\n for (var character of new SafeStringIterator(string)) {\n length += character.length;\n if (length === string.length) {\n iface.isCompletionEnabled = true;\n }\n\n try {\n stream[ESCAPE_DECODER].next(character);\n // Escape letter at the tail position\n if (length === string.length && character === kEscape) {\n timeoutId = setTimeout(triggerEscape, escapeCodeTimeout);\n }\n } catch (err) {\n // If the generator throws (it could happen in the `keypress`\n // event), we need to restart it.\n stream[ESCAPE_DECODER] = emitKeys(stream);\n stream[ESCAPE_DECODER].next();\n throw err;\n }\n }\n }\n } else {\n // Nobody's watching anyway\n stream.removeListener(\"data\", onData);\n stream.on(\"newListener\", onNewListener);\n }\n }\n\n function onNewListener(event) {\n if (event === \"keypress\") {\n stream.on(\"data\", onData);\n stream.removeListener(\"newListener\", onNewListener);\n }\n }\n\n if (stream.listenerCount(\"keypress\") > 0) {\n stream.on(\"data\", onData);\n } else {\n stream.on(\"newListener\", onNewListener);\n }\n}\n\n// ----------------------------------------------------------------------------\n// Section: Interface\n// ----------------------------------------------------------------------------\n\nvar kEmptyObject = ObjectFreeze(ObjectCreate(null));\n\n// Some constants regarding configuration of interface\nvar kHistorySize = 30;\nvar kMaxUndoRedoStackSize = 2048;\nvar kMincrlfDelay = 100;\n// \\r\\n, \\n, or \\r followed by something other than \\n\nvar lineEnding = /\\r?\\n|\\r(?!\\n)/g;\n\n// Max length of the kill ring\nvar kMaxLengthOfKillRing = 32;\n\n// Symbols\n\n// Public symbols\nvar kLineObjectStream = Symbol(\"line object stream\");\nvar kQuestionCancel = Symbol(\"kQuestionCancel\");\nvar kQuestion = Symbol(\"kQuestion\");\n\n// Private symbols\nvar kAddHistory = Symbol(\"_addHistory\");\nvar kBeforeEdit = Symbol(\"_beforeEdit\");\nvar kDecoder = Symbol(\"_decoder\");\nvar kDeleteLeft = Symbol(\"_deleteLeft\");\nvar kDeleteLineLeft = Symbol(\"_deleteLineLeft\");\nvar kDeleteLineRight = Symbol(\"_deleteLineRight\");\nvar kDeleteRight = Symbol(\"_deleteRight\");\nvar kDeleteWordLeft = Symbol(\"_deleteWordLeft\");\nvar kDeleteWordRight = Symbol(\"_deleteWordRight\");\nvar kGetDisplayPos = Symbol(\"_getDisplayPos\");\nvar kHistoryNext = Symbol(\"_historyNext\");\nvar kHistoryPrev = Symbol(\"_historyPrev\");\nvar kInsertString = Symbol(\"_insertString\");\nvar kLine = Symbol(\"_line\");\nvar kLine_buffer = Symbol(\"_line_buffer\");\nvar kKillRing = Symbol(\"_killRing\");\nvar kKillRingCursor = Symbol(\"_killRingCursor\");\nvar kMoveCursor = Symbol(\"_moveCursor\");\nvar kNormalWrite = Symbol(\"_normalWrite\");\nvar kOldPrompt = Symbol(\"_oldPrompt\");\nvar kOnLine = Symbol(\"_onLine\");\nvar kPreviousKey = Symbol(\"_previousKey\");\nvar kPrompt = Symbol(\"_prompt\");\nvar kPushToKillRing = Symbol(\"_pushToKillRing\");\nvar kPushToUndoStack = Symbol(\"_pushToUndoStack\");\nvar kQuestionCallback = Symbol(\"_questionCallback\");\nvar kRedo = Symbol(\"_redo\");\nvar kRedoStack = Symbol(\"_redoStack\");\nvar kRefreshLine = Symbol(\"_refreshLine\");\nvar kSawKeyPress = Symbol(\"_sawKeyPress\");\nvar kSawReturnAt = Symbol(\"_sawReturnAt\");\nvar kSetRawMode = Symbol(\"_setRawMode\");\nvar kTabComplete = Symbol(\"_tabComplete\");\nvar kTabCompleter = Symbol(\"_tabCompleter\");\nvar kTtyWrite = Symbol(\"_ttyWrite\");\nvar kUndo = Symbol(\"_undo\");\nvar kUndoStack = Symbol(\"_undoStack\");\nvar kWordLeft = Symbol(\"_wordLeft\");\nvar kWordRight = Symbol(\"_wordRight\");\nvar kWriteToOutput = Symbol(\"_writeToOutput\");\nvar kYank = Symbol(\"_yank\");\nvar kYanking = Symbol(\"_yanking\");\nvar kYankPop = Symbol(\"_yankPop\");\n\n// Event symbols\nvar kFirstEventParam = Symbol(\"nodejs.kFirstEventParam\");\n\n// class InterfaceConstructor extends EventEmitter {\n// #onSelfCloseWithTerminal;\n// #onSelfCloseWithoutTerminal;\n\n// #onError;\n// #onData;\n// #onEnd;\n// #onTermEnd;\n// #onKeyPress;\n// #onResize;\n\n// [kSawReturnAt];\n// isCompletionEnabled = true;\n// [kSawKeyPress];\n// [kPreviousKey];\n// escapeCodeTimeout;\n// tabSize;\n\n// line;\n// [kSubstringSearch];\n// output;\n// input;\n// [kUndoStack];\n// [kRedoStack];\n// history;\n// historySize;\n\n// [kKillRing];\n// [kKillRingCursor];\n\n// removeHistoryDuplicates;\n// crlfDelay;\n// completer;\n\n// terminal;\n// [kLineObjectStream];\n\n// cursor;\n// historyIndex;\n\n// constructor(input, output, completer, terminal) {\n// super();\n\nvar kOnSelfCloseWithTerminal = Symbol(\"_onSelfCloseWithTerminal\");\nvar kOnSelfCloseWithoutTerminal = Symbol(\"_onSelfCloseWithoutTerminal\");\nvar kOnKeyPress = Symbol(\"_onKeyPress\");\nvar kOnError = Symbol(\"_onError\");\nvar kOnData = Symbol(\"_onData\");\nvar kOnEnd = Symbol(\"_onEnd\");\nvar kOnTermEnd = Symbol(\"_onTermEnd\");\nvar kOnResize = Symbol(\"_onResize\");\n\nfunction onSelfCloseWithTerminal() {\n var input = this.input;\n var output = this.output;\n\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"keypress\", this[kOnKeyPress]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnTermEnd]);\n if (output !== null && output !== undefined) {\n output.removeListener(\"resize\", this[kOnResize]);\n }\n}\n\nfunction onSelfCloseWithoutTerminal() {\n var input = this.input;\n if (!input) throw new Error(\"Input not set, invalid state for readline!\");\n\n input.removeListener(\"data\", this[kOnData]);\n input.removeListener(\"error\", this[kOnError]);\n input.removeListener(\"end\", this[kOnEnd]);\n}\n\nfunction onError(err) {\n this.emit(\"error\", err);\n}\n\nfunction onData(data) {\n debug(\"onData\");\n this[kNormalWrite](data);\n}\n\nfunction onEnd() {\n debug(\"onEnd\");\n if (typeof this[kLine_buffer] === \"string\" && this[kLine_buffer].length > 0) {\n this.emit(\"line\", this[kLine_buffer]);\n }\n this.close();\n}\n\nfunction onTermEnd() {\n debug(\"onTermEnd\");\n if (typeof this.line === \"string\" && this.line.length > 0) {\n this.emit(\"line\", this.line);\n }\n this.close();\n}\n\nfunction onKeyPress(s, key) {\n this[kTtyWrite](s, key);\n if (key && key.sequence) {\n // If the keySeq is half of a surrogate pair\n // (>= 0xd800 and <= 0xdfff), refresh the line so\n // the character is displayed appropriately.\n var ch = StringPrototypeCodePointAt.call(key.sequence, 0);\n if (ch >= 0xd800 && ch <= 0xdfff) this[kRefreshLine]();\n }\n}\n\nfunction onResize() {\n this[kRefreshLine]();\n}\n\nfunction InterfaceConstructor(input, output, completer, terminal) {\n if (!(this instanceof InterfaceConstructor)) {\n return new InterfaceConstructor(input, output, completer, terminal);\n }\n\n EventEmitter.call(this);\n\n this[kOnSelfCloseWithoutTerminal] = onSelfCloseWithoutTerminal.bind(this);\n this[kOnSelfCloseWithTerminal] = onSelfCloseWithTerminal.bind(this);\n\n this[kOnError] = onError.bind(this);\n this[kOnData] = onData.bind(this);\n this[kOnEnd] = onEnd.bind(this);\n this[kOnTermEnd] = onTermEnd.bind(this);\n this[kOnKeyPress] = onKeyPress.bind(this);\n this[kOnResize] = onResize.bind(this);\n\n this[kSawReturnAt] = 0;\n this.isCompletionEnabled = true;\n this[kSawKeyPress] = false;\n this[kPreviousKey] = null;\n this.escapeCodeTimeout = ESCAPE_CODE_TIMEOUT;\n this.tabSize = 8;\n\n var history;\n var historySize;\n var removeHistoryDuplicates = false;\n var crlfDelay;\n var prompt = \"> \";\n var signal;\n\n if (input?.input) {\n // An options object was given\n output = input.output;\n completer = input.completer;\n terminal = input.terminal;\n history = input.history;\n historySize = input.historySize;\n signal = input.signal;\n\n var tabSize = input.tabSize;\n if (tabSize !== undefined) {\n validateUint32(tabSize, \"tabSize\", true);\n this.tabSize = tabSize;\n }\n removeHistoryDuplicates = input.removeHistoryDuplicates;\n\n var inputPrompt = input.prompt;\n if (inputPrompt !== undefined) {\n prompt = inputPrompt;\n }\n\n var inputEscapeCodeTimeout = input.escapeCodeTimeout;\n if (inputEscapeCodeTimeout !== undefined) {\n if (NumberIsFinite(inputEscapeCodeTimeout)) {\n this.escapeCodeTimeout = inputEscapeCodeTimeout;\n } else {\n throw new ERR_INVALID_ARG_VALUE(\"input.escapeCodeTimeout\", this.escapeCodeTimeout);\n }\n }\n\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n }\n\n crlfDelay = input.crlfDelay;\n input = input.input;\n }\n\n if (completer !== undefined && typeof completer !== \"function\") {\n throw new ERR_INVALID_ARG_VALUE(\"completer\", completer);\n }\n\n if (history === undefined) {\n history = [];\n } else {\n validateArray(history, \"history\");\n }\n\n if (historySize === undefined) {\n historySize = kHistorySize;\n }\n\n if (typeof historySize !== \"number\" || NumberIsNaN(historySize) || historySize < 0) {\n throw new ERR_INVALID_ARG_VALUE(\"historySize\", historySize);\n }\n\n // Backwards compat; check the isTTY prop of the output stream\n // when `terminal` was not specified\n if (terminal === undefined && !(output === null || output === undefined)) {\n terminal = !!output.isTTY;\n }\n\n this.line = \"\";\n this[kSubstringSearch] = null;\n this.output = output;\n this.input = input;\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.history = history;\n this.historySize = historySize;\n\n // The kill ring is a global list of blocks of text that were previously\n // killed (deleted). If its size exceeds kMaxLengthOfKillRing, the oldest\n // element will be removed to make room for the latest deletion. With kill\n // ring, users are able to recall (yank) or cycle (yank pop) among previously\n // killed texts, quite similar to the behavior of Emacs.\n this[kKillRing] = [];\n this[kKillRingCursor] = 0;\n\n this.removeHistoryDuplicates = !!removeHistoryDuplicates;\n this.crlfDelay = crlfDelay ? MathMax(kMincrlfDelay, crlfDelay) : kMincrlfDelay;\n this.completer = completer;\n\n this.setPrompt(prompt);\n\n this.terminal = !!terminal;\n\n this[kLineObjectStream] = undefined;\n\n input.on(\"error\", this[kOnError]);\n\n if (!this.terminal) {\n input.on(\"data\", this[kOnData]);\n input.on(\"end\", this[kOnEnd]);\n this.once(\"close\", this[kOnSelfCloseWithoutTerminal]);\n this[kDecoder] = new StringDecoder(\"utf8\");\n } else {\n emitKeypressEvents(input, this);\n\n // `input` usually refers to stdin\n input.on(\"keypress\", this[kOnKeyPress]);\n input.on(\"end\", this[kOnTermEnd]);\n\n this[kSetRawMode](true);\n this.terminal = true;\n\n // Cursor position on the line.\n this.cursor = 0;\n this.historyIndex = -1;\n\n if (output !== null && output !== undefined) output.on(\"resize\", this[kOnResize]);\n\n this.once(\"close\", this[kOnSelfCloseWithTerminal]);\n }\n\n if (signal) {\n var onAborted = (() => this.close()).bind(this);\n if (signal.aborted) {\n process.nextTick(onAborted);\n } else {\n signal.addEventListener(\"abort\", onAborted, { once: true });\n this.once(\"close\", () => signal.removeEventListener(\"abort\", onAborted));\n }\n }\n\n // Current line\n this.line = \"\";\n\n input.resume();\n}\n\nObjectSetPrototypeOf(InterfaceConstructor.prototype, EventEmitter.prototype);\nObjectSetPrototypeOf(InterfaceConstructor, EventEmitter);\n\nvar _Interface = class Interface extends InterfaceConstructor {\n // TODO: Enumerate all the properties of the class\n\n // eslint-disable-next-line no-useless-constructor\n constructor(input, output, completer, terminal) {\n super(input, output, completer, terminal);\n }\n get columns() {\n var output = this.output;\n if (output && output.columns) return output.columns;\n return Infinity;\n }\n\n /**\n * Sets the prompt written to the output.\n * @param {string} prompt\n * @returns {void}\n */\n setPrompt(prompt) {\n this[kPrompt] = prompt;\n }\n\n /**\n * Returns the current prompt used by `rl.prompt()`.\n * @returns {string}\n */\n getPrompt() {\n return this[kPrompt];\n }\n\n [kSetRawMode](mode) {\n var input = this.input;\n var { setRawMode, wasInRawMode } = input;\n\n // TODO: Make this work, for now just stub this and print debug\n debug(\"setRawMode\", mode, \"set!\");\n // if (typeof setRawMode === \"function\") {\n // setRawMode(mode);\n // }\n\n return wasInRawMode;\n }\n\n /**\n * Writes the configured `prompt` to a new line in `output`.\n * @param {boolean} [preserveCursor]\n * @returns {void}\n */\n prompt(preserveCursor) {\n if (this.paused) this.resume();\n if (this.terminal && process.env.TERM !== \"dumb\") {\n if (!preserveCursor) this.cursor = 0;\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](this[kPrompt]);\n }\n }\n\n [kQuestion](query, cb) {\n if (this.closed) {\n throw new ERR_USE_AFTER_CLOSE(\"readline\");\n }\n if (this[kQuestionCallback]) {\n this.prompt();\n } else {\n this[kOldPrompt] = this[kPrompt];\n this.setPrompt(query);\n this[kQuestionCallback] = cb;\n this.prompt();\n }\n }\n\n [kOnLine](line) {\n if (this[kQuestionCallback]) {\n var cb = this[kQuestionCallback];\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n cb(line);\n } else {\n this.emit(\"line\", line);\n }\n }\n\n [kBeforeEdit](oldText, oldCursor) {\n this[kPushToUndoStack](oldText, oldCursor);\n }\n\n [kQuestionCancel]() {\n if (this[kQuestionCallback]) {\n this[kQuestionCallback] = null;\n this.setPrompt(this[kOldPrompt]);\n this.clearLine();\n }\n }\n\n [kWriteToOutput](stringToWrite) {\n validateString(stringToWrite, \"stringToWrite\");\n\n if (this.output !== null && this.output !== undefined) {\n this.output.write(stringToWrite);\n }\n }\n\n [kAddHistory]() {\n if (this.line.length === 0) return \"\";\n\n // If the history is disabled then return the line\n if (this.historySize === 0) return this.line;\n\n // If the trimmed line is empty then return the line\n if (StringPrototypeTrim.call(this.line).length === 0) return this.line;\n\n if (this.history.length === 0 || this.history[0] !== this.line) {\n if (this.removeHistoryDuplicates) {\n // Remove older history line if identical to new one\n var dupIndex = ArrayPrototypeIndexOf.call(this.history, this.line);\n if (dupIndex !== -1) ArrayPrototypeSplice.call(this.history, dupIndex, 1);\n }\n\n ArrayPrototypeUnshift.call(this.history, this.line);\n\n // Only store so many\n if (this.history.length > this.historySize) ArrayPrototypePop.call(this.history);\n }\n\n this.historyIndex = -1;\n\n // The listener could change the history object, possibly\n // to remove the last added entry if it is sensitive and should\n // not be persisted in the history, like a password\n var line = this.history[0];\n\n // Emit history event to notify listeners of update\n this.emit(\"history\", this.history);\n\n return line;\n }\n\n [kRefreshLine]() {\n // line length\n var line = this[kPrompt] + this.line;\n var dispPos = this[kGetDisplayPos](line);\n var lineCols = dispPos.cols;\n var lineRows = dispPos.rows;\n\n // cursor position\n var cursorPos = this.getCursorPos();\n\n // First move to the bottom of the current line, based on cursor pos\n var prevRows = this.prevRows || 0;\n if (prevRows > 0) {\n moveCursor(this.output, 0, -prevRows);\n }\n\n // Cursor to left edge.\n cursorTo(this.output, 0);\n // erase data\n clearScreenDown(this.output);\n\n // Write the prompt and the current buffer content.\n this[kWriteToOutput](line);\n\n // Force terminal to allocate a new line\n if (lineCols === 0) {\n this[kWriteToOutput](\" \");\n }\n\n // Move cursor to original position.\n cursorTo(this.output, cursorPos.cols);\n\n var diff = lineRows - cursorPos.rows;\n if (diff > 0) {\n moveCursor(this.output, 0, -diff);\n }\n\n this.prevRows = cursorPos.rows;\n }\n\n /**\n * Closes the `readline.Interface` instance.\n * @returns {void}\n */\n close() {\n if (this.closed) return;\n this.pause();\n if (this.terminal) {\n this[kSetRawMode](false);\n }\n this.closed = true;\n this.emit(\"close\");\n }\n\n /**\n * Pauses the `input` stream.\n * @returns {void | Interface}\n */\n pause() {\n if (this.paused) return;\n this.input.pause();\n this.paused = true;\n this.emit(\"pause\");\n return this;\n }\n\n /**\n * Resumes the `input` stream if paused.\n * @returns {void | Interface}\n */\n resume() {\n if (!this.paused) return;\n this.input.resume();\n this.paused = false;\n this.emit(\"resume\");\n return this;\n }\n\n /**\n * Writes either `data` or a `key` sequence identified by\n * `key` to the `output`.\n * @param {string} d\n * @param {{\n * ctrl?: boolean;\n * meta?: boolean;\n * shift?: boolean;\n * name?: string;\n * }} [key]\n * @returns {void}\n */\n write(d, key) {\n if (this.paused) this.resume();\n if (this.terminal) {\n this[kTtyWrite](d, key);\n } else {\n this[kNormalWrite](d);\n }\n }\n\n [kNormalWrite](b) {\n if (b === undefined) {\n return;\n }\n var string = this[kDecoder].write(b);\n if (this[kSawReturnAt] && DateNow() - this[kSawReturnAt] <= this.crlfDelay) {\n if (StringPrototypeCodePointAt.call(string) === 10) string = StringPrototypeSlice.call(string, 1);\n this[kSawReturnAt] = 0;\n }\n\n // Run test() on the new string chunk, not on the entire line buffer.\n var newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n if (newPartContainsEnding !== null) {\n if (this[kLine_buffer]) {\n string = this[kLine_buffer] + string;\n this[kLine_buffer] = null;\n newPartContainsEnding = RegExpPrototypeExec.call(lineEnding, string);\n }\n this[kSawReturnAt] = StringPrototypeEndsWith.call(string, \"\\r\") ? DateNow() : 0;\n\n var indexes = [0, newPartContainsEnding.index, lineEnding.lastIndex];\n var nextMatch;\n while ((nextMatch = RegExpPrototypeExec.call(lineEnding, string)) !== null) {\n ArrayPrototypePush.call(indexes, nextMatch.index, lineEnding.lastIndex);\n }\n var lastIndex = indexes.length - 1;\n // Either '' or (conceivably) the unfinished portion of the next line\n this[kLine_buffer] = StringPrototypeSlice.call(string, indexes[lastIndex]);\n for (var i = 1; i < lastIndex; i += 2) {\n this[kOnLine](StringPrototypeSlice.call(string, indexes[i - 1], indexes[i]));\n }\n } else if (string) {\n // No newlines this time, save what we have for next time\n if (this[kLine_buffer]) {\n this[kLine_buffer] += string;\n } else {\n this[kLine_buffer] = string;\n }\n }\n }\n\n [kInsertString](c) {\n this[kBeforeEdit](this.line, this.cursor);\n if (this.cursor < this.line.length) {\n var beg = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var end = StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.line = beg + c + end;\n this.cursor += c.length;\n this[kRefreshLine]();\n } else {\n var oldPos = this.getCursorPos();\n this.line += c;\n this.cursor += c.length;\n var newPos = this.getCursorPos();\n\n if (oldPos.rows < newPos.rows) {\n this[kRefreshLine]();\n } else {\n this[kWriteToOutput](c);\n }\n }\n }\n\n async [kTabComplete](lastKeypressWasTab) {\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var value;\n try {\n value = await this.completer(string);\n } catch (err) {\n this[kWriteToOutput](`Tab completion error: ${inspect(err)}`);\n return;\n } finally {\n this.resume();\n }\n this[kTabCompleter](lastKeypressWasTab, value);\n }\n\n [kTabCompleter](lastKeypressWasTab, { 0: completions, 1: completeOn }) {\n // Result and the text that was completed.\n\n if (!completions || completions.length === 0) {\n return;\n }\n\n // If there is a common prefix to all matches, then apply that portion.\n var prefix = commonPrefix(ArrayPrototypeFilter.call(completions, e => e !== \"\"));\n if (StringPrototypeStartsWith.call(prefix, completeOn) && prefix.length > completeOn.length) {\n this[kInsertString](StringPrototypeSlice.call(prefix, completeOn.length));\n return;\n } else if (!StringPrototypeStartsWith.call(completeOn, prefix)) {\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - completeOn.length) +\n prefix +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = this.cursor - completeOn.length + prefix.length;\n this._refreshLine();\n return;\n }\n\n if (!lastKeypressWasTab) {\n return;\n }\n\n this[kBeforeEdit](this.line, this.cursor);\n\n // Apply/show completions.\n var completionsWidth = ArrayPrototypeMap.call(completions, e => getStringWidth(e));\n var width = MathMaxApply(completionsWidth) + 2; // 2 space padding\n var maxColumns = MathFloor(this.columns / width) || 1;\n if (maxColumns === Infinity) {\n maxColumns = 1;\n }\n var output = \"\\r\\n\";\n var lineIndex = 0;\n var whitespace = 0;\n for (var i = 0; i < completions.length; i++) {\n var completion = completions[i];\n if (completion === \"\" || lineIndex === maxColumns) {\n output += \"\\r\\n\";\n lineIndex = 0;\n whitespace = 0;\n } else {\n output += StringPrototypeRepeat.call(\" \", whitespace);\n }\n if (completion !== \"\") {\n output += completion;\n whitespace = width - completionsWidth[i];\n lineIndex++;\n } else {\n output += \"\\r\\n\";\n }\n }\n if (lineIndex !== 0) {\n output += \"\\r\\n\\r\\n\";\n }\n this[kWriteToOutput](output);\n this[kRefreshLine]();\n }\n\n [kWordLeft]() {\n if (this.cursor > 0) {\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n this[kMoveCursor](-match[0].length);\n }\n }\n\n [kWordRight]() {\n if (this.cursor < this.line.length) {\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|[^\\w\\s]+|\\w+)\\s*/, trailing);\n this[kMoveCursor](match[0].length);\n }\n }\n\n [kDeleteLeft]() {\n if (this.cursor > 0 && this.line.length > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthLeft(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor - charSize) +\n StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n\n this.cursor -= charSize;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n // The number of UTF-16 units comprising the character to the left\n var charSize = charLengthAt(this.line, this.cursor);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) +\n StringPrototypeSlice.call(this.line, this.cursor + charSize, this.line.length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordLeft]() {\n if (this.cursor > 0) {\n this[kBeforeEdit](this.line, this.cursor);\n // Reverse the string and match a word near beginning\n // to avoid quadratic time complexity\n var leading = StringPrototypeSlice.call(this.line, 0, this.cursor);\n var reversed = ArrayPrototypeJoin.call(ArrayPrototypeReverse.call(ArrayFrom(leading)), \"\");\n var match = RegExpPrototypeExec.call(/^\\s*(?:[^\\w\\s]+|\\w+)?/, reversed);\n leading = StringPrototypeSlice.call(leading, 0, leading.length - match[0].length);\n this.line = leading + StringPrototypeSlice.call(this.line, this.cursor, this.line.length);\n this.cursor = leading.length;\n this[kRefreshLine]();\n }\n }\n\n [kDeleteWordRight]() {\n if (this.cursor < this.line.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var trailing = StringPrototypeSlice.call(this.line, this.cursor);\n var match = RegExpPrototypeExec.call(/^(?:\\s+|\\W+|\\w+)\\s*/, trailing);\n this.line =\n StringPrototypeSlice.call(this.line, 0, this.cursor) + StringPrototypeSlice.call(trailing, match[0].length);\n this[kRefreshLine]();\n }\n }\n\n [kDeleteLineLeft]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, this.cursor);\n this.cursor = 0;\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kDeleteLineRight]() {\n this[kBeforeEdit](this.line, this.cursor);\n var del = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this[kPushToKillRing](del);\n this[kRefreshLine]();\n }\n\n [kPushToKillRing](del) {\n if (!del || del === this[kKillRing][0]) return;\n ArrayPrototypeUnshift.call(this[kKillRing], del);\n this[kKillRingCursor] = 0;\n while (this[kKillRing].length > kMaxLengthOfKillRing) ArrayPrototypePop.call(this[kKillRing]);\n }\n\n [kYank]() {\n if (this[kKillRing].length > 0) {\n this[kYanking] = true;\n this[kInsertString](this[kKillRing][this[kKillRingCursor]]);\n }\n }\n\n [kYankPop]() {\n if (!this[kYanking]) {\n return;\n }\n if (this[kKillRing].length > 1) {\n var lastYank = this[kKillRing][this[kKillRingCursor]];\n this[kKillRingCursor]++;\n if (this[kKillRingCursor] >= this[kKillRing].length) {\n this[kKillRingCursor] = 0;\n }\n var currentYank = this[kKillRing][this[kKillRingCursor]];\n var head = StringPrototypeSlice.call(this.line, 0, this.cursor - lastYank.length);\n var tail = StringPrototypeSlice.call(this.line, this.cursor);\n this.line = head + currentYank + tail;\n this.cursor = head.length + currentYank.length;\n this[kRefreshLine]();\n }\n }\n\n clearLine() {\n this[kMoveCursor](+Infinity);\n this[kWriteToOutput](\"\\r\\n\");\n this.line = \"\";\n this.cursor = 0;\n this.prevRows = 0;\n }\n\n [kLine]() {\n var line = this[kAddHistory]();\n this[kUndoStack] = [];\n this[kRedoStack] = [];\n this.clearLine();\n this[kOnLine](line);\n }\n\n [kPushToUndoStack](text, cursor) {\n if (ArrayPrototypePush.call(this[kUndoStack], { text, cursor }) > kMaxUndoRedoStackSize) {\n ArrayPrototypeShift.call(this[kUndoStack]);\n }\n }\n\n [kUndo]() {\n if (this[kUndoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kRedoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kUndoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kRedo]() {\n if (this[kRedoStack].length <= 0) return;\n\n ArrayPrototypePush.call(this[kUndoStack], {\n text: this.line,\n cursor: this.cursor,\n });\n\n var entry = ArrayPrototypePop.call(this[kRedoStack]);\n this.line = entry.text;\n this.cursor = entry.cursor;\n\n this[kRefreshLine]();\n }\n\n [kHistoryNext]() {\n if (this.historyIndex >= 0) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex - 1;\n while (\n index >= 0 &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index--;\n }\n if (index === -1) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n [kHistoryPrev]() {\n if (this.historyIndex < this.history.length && this.history.length) {\n this[kBeforeEdit](this.line, this.cursor);\n var search = this[kSubstringSearch] || \"\";\n var index = this.historyIndex + 1;\n while (\n index < this.history.length &&\n (!StringPrototypeStartsWith.call(this.history[index], search) || this.line === this.history[index])\n ) {\n index++;\n }\n if (index === this.history.length) {\n this.line = search;\n } else {\n this.line = this.history[index];\n }\n this.historyIndex = index;\n this.cursor = this.line.length; // Set cursor to end of line.\n this[kRefreshLine]();\n }\n }\n\n // Returns the last character's display position of the given string\n [kGetDisplayPos](str) {\n var offset = 0;\n var col = this.columns;\n var rows = 0;\n str = stripVTControlCharacters(str);\n for (var char of new SafeStringIterator(str)) {\n if (char === \"\\n\") {\n // Rows must be incremented by 1 even if offset = 0 or col = +Infinity.\n rows += MathCeil(offset / col) || 1;\n offset = 0;\n continue;\n }\n // Tabs must be aligned by an offset of the tab size.\n if (char === \"\\t\") {\n offset += this.tabSize - (offset % this.tabSize);\n continue;\n }\n var width = getStringWidth(char, false /* stripVTControlCharacters */);\n if (width === 0 || width === 1) {\n offset += width;\n } else {\n // width === 2\n if ((offset + 1) % col === 0) {\n offset++;\n }\n offset += 2;\n }\n }\n var cols = offset % col;\n rows += (offset - cols) / col;\n return { cols, rows };\n }\n\n /**\n * Returns the real position of the cursor in relation\n * to the input prompt + string.\n * @returns {{\n * rows: number;\n * cols: number;\n * }}\n */\n getCursorPos() {\n var strBeforeCursor = this[kPrompt] + StringPrototypeSlice.call(this.line, 0, this.cursor);\n return this[kGetDisplayPos](strBeforeCursor);\n }\n\n // This function moves cursor dx places to the right\n // (-dx for left) and refreshes the line if it is needed.\n [kMoveCursor](dx) {\n if (dx === 0) {\n return;\n }\n var oldPos = this.getCursorPos();\n this.cursor += dx;\n\n // Bounds check\n if (this.cursor < 0) {\n this.cursor = 0;\n } else if (this.cursor > this.line.length) {\n this.cursor = this.line.length;\n }\n\n var newPos = this.getCursorPos();\n\n // Check if cursor stayed on the line.\n if (oldPos.rows === newPos.rows) {\n var diffWidth = newPos.cols - oldPos.cols;\n moveCursor(this.output, diffWidth, 0);\n } else {\n this[kRefreshLine]();\n }\n }\n\n // Handle a write from the tty\n [kTtyWrite](s, key) {\n var previousKey = this[kPreviousKey];\n key = key || kEmptyObject;\n this[kPreviousKey] = key;\n var { name: keyName, meta: keyMeta, ctrl: keyCtrl, shift: keyShift, sequence: keySeq } = key;\n\n if (!keyMeta || keyName !== \"y\") {\n // Reset yanking state unless we are doing yank pop.\n this[kYanking] = false;\n }\n\n // Activate or deactivate substring search.\n if ((keyName === \"up\" || keyName === \"down\") && !keyCtrl && !keyMeta && !keyShift) {\n if (this[kSubstringSearch] === null) {\n this[kSubstringSearch] = StringPrototypeSlice.call(this.line, 0, this.cursor);\n }\n } else if (this[kSubstringSearch] !== null) {\n this[kSubstringSearch] = null;\n // Reset the index in case there's no match.\n if (this.history.length === this.historyIndex) {\n this.historyIndex = -1;\n }\n }\n\n // Undo & Redo\n if (typeof keySeq === \"string\") {\n switch (StringPrototypeCodePointAt.call(keySeq, 0)) {\n case 0x1f:\n this[kUndo]();\n return;\n case 0x1e:\n this[kRedo]();\n return;\n default:\n break;\n }\n }\n\n // Ignore escape key, fixes\n // https://github.com/nodejs/node-v0.x-archive/issues/2876.\n if (keyName === \"escape\") return;\n\n if (keyCtrl && keyShift) {\n /* Control and shift pressed */\n switch (keyName) {\n // TODO(BridgeAR): The transmitted escape sequence is `\\b` and that is\n // identical to <ctrl>-h. It should have a unique escape sequence.\n case \"backspace\":\n this[kDeleteLineLeft]();\n break;\n\n case \"delete\":\n this[kDeleteLineRight]();\n break;\n }\n } else if (keyCtrl) {\n /* Control key pressed */\n\n switch (keyName) {\n case \"c\":\n if (this.listenerCount(\"SIGINT\") > 0) {\n this.emit(\"SIGINT\");\n } else {\n // This readline instance is finished\n this.close();\n }\n break;\n\n case \"h\": // delete left\n this[kDeleteLeft]();\n break;\n\n case \"d\": // delete right or EOF\n if (this.cursor === 0 && this.line.length === 0) {\n // This readline instance is finished\n this.close();\n } else if (this.cursor < this.line.length) {\n this[kDeleteRight]();\n }\n break;\n\n case \"u\": // Delete from current to start of line\n this[kDeleteLineLeft]();\n break;\n\n case \"k\": // Delete from current to end of line\n this[kDeleteLineRight]();\n break;\n\n case \"a\": // Go to the start of the line\n this[kMoveCursor](-Infinity);\n break;\n\n case \"e\": // Go to the end of the line\n this[kMoveCursor](+Infinity);\n break;\n\n case \"b\": // back one character\n this[kMoveCursor](-charLengthLeft(this.line, this.cursor));\n break;\n\n case \"f\": // Forward one character\n this[kMoveCursor](+charLengthAt(this.line, this.cursor));\n break;\n\n case \"l\": // Clear the whole screen\n cursorTo(this.output, 0, 0);\n clearScreenDown(this.output);\n this[kRefreshLine]();\n break;\n\n case \"n\": // next history item\n this[kHistoryNext]();\n break;\n\n case \"p\": // Previous history item\n this[kHistoryPrev]();\n break;\n\n case \"y\": // Yank killed string\n this[kYank]();\n break;\n\n case \"z\":\n if (process.platform === \"win32\") break;\n if (this.listenerCount(\"SIGTSTP\") > 0) {\n this.emit(\"SIGTSTP\");\n } else {\n process.once(\"SIGCONT\", () => {\n // Don't raise events if stream has already been abandoned.\n if (!this.paused) {\n // Stream must be paused and resumed after SIGCONT to catch\n // SIGINT, SIGTSTP, and EOF.\n this.pause();\n this.emit(\"SIGCONT\");\n }\n // Explicitly re-enable \"raw mode\" and move the cursor to\n // the correct position.\n // See https://github.com/joyent/node/issues/3295.\n this[kSetRawMode](true);\n this[kRefreshLine]();\n });\n this[kSetRawMode](false);\n process.kill(process.pid, \"SIGTSTP\");\n }\n break;\n\n case \"w\": // Delete backwards to a word boundary\n case \"backspace\":\n this[kDeleteWordLeft]();\n break;\n\n case \"delete\": // Delete forward to a word boundary\n this[kDeleteWordRight]();\n break;\n\n case \"left\":\n this[kWordLeft]();\n break;\n\n case \"right\":\n this[kWordRight]();\n break;\n }\n } else if (keyMeta) {\n /* Meta key pressed */\n\n switch (keyName) {\n case \"b\": // backward word\n this[kWordLeft]();\n break;\n\n case \"f\": // forward word\n this[kWordRight]();\n break;\n\n case \"d\": // delete forward word\n case \"delete\":\n this[kDeleteWordRight]();\n break;\n\n case \"backspace\": // Delete backwards to a word boundary\n 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}\n }\n\n /**\n * Creates an `AsyncIterator` object that iterates through\n * each line in the input stream as a string.\n * @typedef {{\n * [Symbol.asyncIterator]: () => InterfaceAsyncIterator,\n * next: () => Promise<string>\n * }} InterfaceAsyncIterator\n * @returns {InterfaceAsyncIterator}\n */\n [SymbolAsyncIterator]() {\n if (this[kLineObjectStream] === undefined) {\n this[kLineObjectStream] = EventEmitter.on(this, \"line\", {\n close: [\"close\"],\n highWatermark: 1024,\n [kFirstEventParam]: true,\n });\n }\n return this[kLineObjectStream];\n }\n};\n\nfunction Interface(input, output, completer, terminal) {\n if (!(this instanceof Interface)) {\n return new Interface(input, output, completer, terminal);\n }\n\n if (input?.input && typeof input.completer === \"function\" && input.completer.length !== 2) {\n var { completer } = input;\n input.completer = (v, cb) => cb(null, completer(v));\n } else if (typeof completer === \"function\" && completer.length !== 2) {\n var realCompleter = completer;\n completer = (v, cb) => cb(null, realCompleter(v));\n }\n\n InterfaceConstructor.call(this, input, output, completer, terminal);\n\n // TODO: Test this\n if (process.env.TERM === \"dumb\") {\n this._ttyWrite = _ttyWriteDumb.bind(this);\n }\n}\n\nObjectSetPrototypeOf(Interface.prototype, _Interface.prototype);\nObjectSetPrototypeOf(Interface, _Interface);\n\n/**\n * Displays `query` by writing it to the `output`.\n * @param {string} query\n * @param {{ signal?: AbortSignal; }} [options]\n * @param {Function} cb\n * @returns {void}\n */\nInterface.prototype.question = function question(query, options, cb) {\n cb = typeof options === \"function\" ? options : cb;\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n if (signal) {\n validateAbortSignal(signal, \"options.signal\");\n if (signal.aborted) {\n return;\n }\n\n var onAbort = () => {\n this[kQuestionCancel]();\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n var cleanup = () => {\n signal.removeEventListener(\"abort\", onAbort);\n };\n var originalCb = cb;\n cb =\n typeof cb === \"function\"\n ? answer => {\n cleanup();\n return originalCb(answer);\n }\n : cleanup;\n }\n\n if (typeof cb === \"function\") {\n this[kQuestion](query, cb);\n }\n};\n\nInterface.prototype.question[promisify.custom] = function question(query, options) {\n if (options === null || typeof options !== \"object\") {\n options = kEmptyObject;\n }\n\n var signal = options?.signal;\n\n if (signal && signal.aborted) {\n return PromiseReject(new AbortError(undefined, { cause: signal.reason }));\n }\n\n return new Promise((resolve, reject) => {\n var cb = resolve;\n if (signal) {\n var onAbort = () => {\n reject(new AbortError(undefined, { cause: signal.reason }));\n };\n signal.addEventListener(\"abort\", onAbort, { once: true });\n cb = answer => {\n signal.removeEventListener(\"abort\", onAbort);\n resolve(answer);\n };\n }\n this.question(query, options, cb);\n });\n};\n\n/**\n * Creates a new `readline.Interface` instance.\n * @param {Readable | {\n * input: Readable;\n * output: Writable;\n * completer?: Function;\n * terminal?: boolean;\n * history?: string[];\n * historySize?: number;\n * removeHistoryDuplicates?: boolean;\n * prompt?: string;\n * crlfDelay?: number;\n * escapeCodeTimeout?: number;\n * tabSize?: number;\n * signal?: AbortSignal;\n * }} input\n * @param {Writable} [output]\n * @param {Function} [completer]\n * @param {boolean} [terminal]\n * @returns {Interface}\n */\nfunction createInterface(input, output, completer, terminal) {\n return new Interface(input, output, completer, terminal);\n}\n\nObjectDefineProperties(Interface.prototype, {\n // Redirect internal prototype methods to the underscore notation for backward\n // compatibility.\n [kSetRawMode]: {\n __proto__: null,\n get() {\n return this._setRawMode;\n },\n },\n [kOnLine]: {\n __proto__: null,\n get() {\n return this._onLine;\n },\n },\n [kWriteToOutput]: {\n __proto__: null,\n get() {\n return this._writeToOutput;\n },\n },\n [kAddHistory]: {\n __proto__: null,\n get() {\n return this._addHistory;\n },\n },\n [kRefreshLine]: {\n __proto__: null,\n get() {\n return this._refreshLine;\n },\n },\n [kNormalWrite]: {\n __proto__: null,\n get() {\n return this._normalWrite;\n },\n },\n [kInsertString]: {\n __proto__: null,\n get() {\n return this._insertString;\n },\n },\n [kTabComplete]: {\n __proto__: null,\n get() {\n return this._tabComplete;\n },\n },\n [kWordLeft]: {\n __proto__: null,\n get() {\n return this._wordLeft;\n },\n },\n [kWordRight]: {\n __proto__: null,\n get() {\n return this._wordRight;\n },\n },\n [kDeleteLeft]: {\n __proto__: null,\n get() {\n return this._deleteLeft;\n },\n },\n [kDeleteRight]: {\n __proto__: null,\n get() {\n return this._deleteRight;\n },\n },\n [kDeleteWordLeft]: {\n __proto__: null,\n get() {\n return this._deleteWordLeft;\n },\n },\n [kDeleteWordRight]: {\n __proto__: null,\n get() {\n return this._deleteWordRight;\n },\n },\n [kDeleteLineLeft]: {\n __proto__: null,\n get() {\n return this._deleteLineLeft;\n },\n },\n [kDeleteLineRight]: {\n __proto__: null,\n get() {\n return this._deleteLineRight;\n },\n },\n [kLine]: {\n __proto__: null,\n get() {\n return this._line;\n },\n },\n [kHistoryNext]: {\n __proto__: null,\n get() {\n return this._historyNext;\n },\n },\n [kHistoryPrev]: {\n __proto__: null,\n get() {\n return this._historyPrev;\n },\n },\n [kGetDisplayPos]: {\n __proto__: null,\n get() {\n return this._getDisplayPos;\n },\n },\n [kMoveCursor]: {\n __proto__: null,\n get() {\n return this._moveCursor;\n },\n },\n [kTtyWrite]: {\n __proto__: null,\n get() {\n return this._ttyWrite;\n },\n },\n\n // Defining proxies for the internal instance properties for backward\n // compatibility.\n _decoder: {\n __proto__: null,\n get() {\n return this[kDecoder];\n },\n set(value) {\n this[kDecoder] = value;\n },\n },\n _line_buffer: {\n __proto__: null,\n get() {\n return this[kLine_buffer];\n },\n set(value) {\n this[kLine_buffer] = value;\n },\n },\n _oldPrompt: {\n __proto__: null,\n get() {\n return this[kOldPrompt];\n },\n set(value) {\n this[kOldPrompt] = value;\n },\n },\n _previousKey: {\n __proto__: null,\n get() {\n return this[kPreviousKey];\n },\n set(value) {\n this[kPreviousKey] = value;\n },\n },\n _prompt: {\n __proto__: null,\n get() {\n return this[kPrompt];\n },\n set(value) {\n this[kPrompt] = value;\n },\n },\n _questionCallback: {\n __proto__: null,\n get() {\n return this[kQuestionCallback];\n },\n set(value) {\n this[kQuestionCallback] = value;\n },\n },\n _sawKeyPress: {\n __proto__: null,\n get() {\n return this[kSawKeyPress];\n },\n set(value) {\n this[kSawKeyPress] = value;\n },\n },\n _sawReturnAt: {\n __proto__: null,\n get() {\n return this[kSawReturnAt];\n },\n set(value) {\n this[kSawReturnAt] = value;\n },\n },\n});\n\n// Make internal methods public for backward compatibility.\nInterface.prototype._setRawMode = _Interface.prototype[kSetRawMode];\nInterface.prototype._onLine = _Interface.prototype[kOnLine];\nInterface.prototype._writeToOutput = _Interface.prototype[kWriteToOutput];\nInterface.prototype._addHistory = _Interface.prototype[kAddHistory];\nInterface.prototype._refreshLine = _Interface.prototype[kRefreshLine];\nInterface.prototype._normalWrite = _Interface.prototype[kNormalWrite];\nInterface.prototype._insertString = _Interface.prototype[kInsertString];\nInterface.prototype._tabComplete = function (lastKeypressWasTab) {\n // Overriding parent method because `this.completer` in the legacy\n // implementation takes a callback instead of being an async function.\n this.pause();\n var string = StringPrototypeSlice.call(this.line, 0, this.cursor);\n this.completer(string, (err, value) => {\n this.resume();\n\n if (err) {\n this._writeToOutput(`Tab completion error: ${inspect(err)}`);\n return;\n }\n\n this[kTabCompleter](lastKeypressWasTab, value);\n });\n};\nInterface.prototype._wordLeft = _Interface.prototype[kWordLeft];\nInterface.prototype._wordRight = _Interface.prototype[kWordRight];\nInterface.prototype._deleteLeft = _Interface.prototype[kDeleteLeft];\nInterface.prototype._deleteRight = _Interface.prototype[kDeleteRight];\nInterface.prototype._deleteWordLeft = _Interface.prototype[kDeleteWordLeft];\nInterface.prototype._deleteWordRight = _Interface.prototype[kDeleteWordRight];\nInterface.prototype._deleteLineLeft = _Interface.prototype[kDeleteLineLeft];\nInterface.prototype._deleteLineRight = _Interface.prototype[kDeleteLineRight];\nInterface.prototype._line = _Interface.prototype[kLine];\nInterface.prototype._historyNext = _Interface.prototype[kHistoryNext];\nInterface.prototype._historyPrev = _Interface.prototype[kHistoryPrev];\nInterface.prototype._getDisplayPos = _Interface.prototype[kGetDisplayPos];\nInterface.prototype._getCursorPos = 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