diff options
Diffstat (limited to 'src/bun.js/builtins/ts/StreamInternals.ts')
-rw-r--r-- | src/bun.js/builtins/ts/StreamInternals.ts | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/src/bun.js/builtins/ts/StreamInternals.ts b/src/bun.js/builtins/ts/StreamInternals.ts deleted file mode 100644 index b42dc2f57..000000000 --- a/src/bun.js/builtins/ts/StreamInternals.ts +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright (C) 2015 Canon Inc. - * Copyright (C) 2015 Igalia. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// @internal - -export function markPromiseAsHandled(promise: Promise<unknown>) { - $assert($isPromise(promise)); - $putPromiseInternalField( - promise, - $promiseFieldFlags, - $getPromiseInternalField(promise, $promiseFieldFlags) | $promiseFlagsIsHandled, - ); -} - -export function shieldingPromiseResolve(result) { - const promise = Promise.$resolve(result); - if (promise.$then === undefined) promise.$then = Promise.prototype.$then; - return promise; -} - -export function promiseInvokeOrNoopMethodNoCatch(object, method, args) { - if (method === undefined) return Promise.$resolve(); - return $shieldingPromiseResolve(method.$apply(object, args)); -} - -export function promiseInvokeOrNoopNoCatch(object, key, args) { - return $promiseInvokeOrNoopMethodNoCatch(object, object[key], args); -} - -export function promiseInvokeOrNoopMethod(object, method, args) { - try { - return $promiseInvokeOrNoopMethodNoCatch(object, method, args); - } catch (error) { - return Promise.$reject(error); - } -} - -export function promiseInvokeOrNoop(object, key, args) { - try { - return $promiseInvokeOrNoopNoCatch(object, key, args); - } catch (error) { - return Promise.$reject(error); - } -} - -export function promiseInvokeOrFallbackOrNoop(object, key1, args1, key2, args2) { - try { - const method = object[key1]; - if (method === undefined) return $promiseInvokeOrNoopNoCatch(object, key2, args2); - return $shieldingPromiseResolve(method.$apply(object, args1)); - } catch (error) { - return Promise.$reject(error); - } -} - -export function validateAndNormalizeQueuingStrategy(size, highWaterMark) { - if (size !== undefined && typeof size !== "function") throw new TypeError("size parameter must be a function"); - - const newHighWaterMark = $toNumber(highWaterMark); - - if (isNaN(newHighWaterMark) || newHighWaterMark < 0) - throw new RangeError("highWaterMark value is negative or not a number"); - - return { size: size, highWaterMark: newHighWaterMark }; -} - -$linkTimeConstant; -export function createFIFO() { - var slice = Array.prototype.slice; - - class Denqueue { - constructor() { - this._head = 0; - this._tail = 0; - // this._capacity = 0; - this._capacityMask = 0x3; - this._list = $newArrayWithSize(4); - } - - _head; - _tail; - _capacityMask; - _list; - - size() { - if (this._head === this._tail) return 0; - if (this._head < this._tail) return this._tail - this._head; - else return this._capacityMask + 1 - (this._head - this._tail); - } - - isEmpty() { - return this.size() == 0; - } - - isNotEmpty() { - return this.size() > 0; - } - - shift() { - var { _head: head, _tail, _list, _capacityMask } = this; - if (head === _tail) return undefined; - var item = _list[head]; - $putByValDirect(_list, head, undefined); - head = this._head = (head + 1) & _capacityMask; - if (head < 2 && _tail > 10000 && _tail <= _list.length >>> 2) this._shrinkArray(); - return item; - } - - peek() { - if (this._head === this._tail) return undefined; - return this._list[this._head]; - } - - push(item) { - var tail = this._tail; - $putByValDirect(this._list, tail, item); - this._tail = (tail + 1) & this._capacityMask; - if (this._tail === this._head) { - this._growArray(); - } - // if (this._capacity && this.size() > this._capacity) { - // this.shift(); - // } - } - - toArray(fullCopy) { - var list = this._list; - var len = $toLength(list.length); - - if (fullCopy || this._head > this._tail) { - var _head = $toLength(this._head); - var _tail = $toLength(this._tail); - var total = $toLength(len - _head + _tail); - var array = $newArrayWithSize(total); - var j = 0; - for (var i = _head; i < len; i++) $putByValDirect(array, j++, list[i]); - for (var i = 0; i < _tail; i++) $putByValDirect(array, j++, list[i]); - return array; - } else { - return slice.$call(list, this._head, this._tail); - } - } - - clear() { - this._head = 0; - this._tail = 0; - this._list.fill(undefined); - } - - _growArray() { - if (this._head) { - // copy existing data, head to end, then beginning to tail. - this._list = this.toArray(true); - this._head = 0; - } - - // head is at 0 and array is now full, safe to extend - this._tail = $toLength(this._list.length); - - this._list.length <<= 1; - this._capacityMask = (this._capacityMask << 1) | 1; - } - - shrinkArray() { - this._list.length >>>= 1; - this._capacityMask >>>= 1; - } - } - - return new Denqueue(); -} - -export function newQueue() { - return { content: $createFIFO(), size: 0 }; -} - -export function dequeueValue(queue) { - const record = queue.content.shift(); - queue.size -= record.size; - // As described by spec, below case may occur due to rounding errors. - if (queue.size < 0) queue.size = 0; - return record.value; -} - -export function enqueueValueWithSize(queue, value, size) { - size = $toNumber(size); - if (!isFinite(size) || size < 0) throw new RangeError("size has an incorrect value"); - - queue.content.push({ value, size }); - queue.size += size; -} - -export function peekQueueValue(queue) { - return queue.content.peek()?.value; -} - -export function resetQueue(queue) { - $assert("content" in queue); - $assert("size" in queue); - queue.content.clear(); - queue.size = 0; -} - -export function extractSizeAlgorithm(strategy) { - const sizeAlgorithm = strategy.size; - - if (sizeAlgorithm === undefined) return () => 1; - - if (typeof sizeAlgorithm !== "function") throw new TypeError("strategy.size must be a function"); - - return chunk => { - return sizeAlgorithm(chunk); - }; -} - -export function extractHighWaterMark(strategy, defaultHWM) { - const highWaterMark = strategy.highWaterMark; - - if (highWaterMark === undefined) return defaultHWM; - - if (isNaN(highWaterMark) || highWaterMark < 0) - throw new RangeError("highWaterMark value is negative or not a number"); - - return $toNumber(highWaterMark); -} - -export function extractHighWaterMarkFromQueuingStrategyInit(init: { highWaterMark?: number }) { - if (!$isObject(init)) throw new TypeError("QueuingStrategyInit argument must be an object."); - const { highWaterMark } = init; - if (highWaterMark === undefined) throw new TypeError("QueuingStrategyInit.highWaterMark member is required."); - - return $toNumber(highWaterMark); -} - -export function createFulfilledPromise(value) { - const promise = $newPromise(); - $fulfillPromise(promise, value); - return promise; -} - -export function toDictionary(value, defaultValue, errorMessage) { - if (value === undefined || value === null) return defaultValue; - if (!$isObject(value)) throw new TypeError(errorMessage); - return value; -} |