[bun dev] Implement copy as markdown

1 files changed, 187 insertions, 0 deletions

diff --git a/packages/bun-error/stack-trace-parser.ts b/packages/bun-error/stack-trace-parser.ts
new file mode 100644
index 000000000..c779a6185
--- /dev/null
+++ b/packages/bun-error/stack-trace-parser.ts
@@ -0,0 +1,187 @@
+const UNKNOWN_FUNCTION = "<unknown>";
+import type {
+  FallbackMessageContainer,
+  JSException,
+  Location,
+  Message,
+  SourceLine,
+  StackFrame,
+  WebsocketMessageBuildFailure,
+} from "../../src/api/schema";
+
+/**
+ * This parses the different stack traces and puts them into one format
+ * This borrows heavily from TraceKit (https://github.com/csnover/TraceKit)
+ */
+export function parse(stackString): StackFrame[] {
+  const lines = stackString.split("\n");
+
+  return lines.reduce((stack, line) => {
+    const parseResult =
+      parseChrome(line) ||
+      parseWinjs(line) ||
+      parseGecko(line) ||
+      parseNode(line) ||
+      parseJSC(line);
+
+    if (parseResult) {
+      stack.push(parseResult);
+    }
+
+    return stack;
+  }, []);
+}
+
+const formatFile = (file) => {
+  if (!file) {
+    return "";
+  }
+
+  if (file.startsWith("blob:")) {
+    if (globalThis["__BUN"]?.client) {
+      const replacement =
+        globalThis["__BUN"]?.client.dependencies.getFilePathFromBlob(file);
+      if (replacement) {
+        file = replacement;
+      }
+    }
+  }
+
+  var _file = String(file);
+  if (_file.startsWith(globalThis.location?.origin)) {
+    _file = _file.substring(globalThis.location?.origin.length);
+  }
+
+  while (_file.startsWith("/")) {
+    _file = _file.substring(1);
+  }
+
+  if (_file.endsWith(".bun")) {
+    _file = "node_modules.bun";
+  }
+
+  return _file;
+};
+
+const chromeRe =
+  /^\s*at (.*?) ?\(((?:file|https?|blob|chrome-extension|native|eval|webpack|<anonymous>|\/|[a-z]:\\|\\\\).*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i;
+const chromeEvalRe = /\((\S*)(?::(\d+))(?::(\d+))\)/;
+
+function parseChrome(line) {
+  const parts = chromeRe.exec(line);
+
+  if (!parts) {
+    return null;
+  }
+
+  const isNative = parts[2] && parts[2].indexOf("native") === 0; // start of line
+  const isEval = parts[2] && parts[2].indexOf("eval") === 0; // start of line
+
+  const submatch = chromeEvalRe.exec(parts[2]);
+  if (isEval && submatch != null) {
+    // throw out eval line/column and use top-most line/column number
+    parts[2] = submatch[1]; // url
+    parts[3] = submatch[2]; // line
+    parts[4] = submatch[3]; // column
+  }
+
+  return {
+    file: formatFile(!isNative ? parts[2] : null),
+    function_name: parts[1] || "",
+    position: {
+      line: parts[3] ? +parts[3] : null,
+      column_start: parts[4] ? +parts[4] : null,
+    },
+  };
+}
+
+const winjsRe =
+  /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:file|ms-appx|https?|webpack|blob):.*?):(\d+)(?::(\d+))?\)?\s*$/i;
+
+function parseWinjs(line) {
+  const parts = winjsRe.exec(line);
+
+  if (!parts) {
+    return null;
+  }
+
+  return {
+    file: formatFile(parts[2]),
+    function_name: parts[1],
+    position: {
+      line: +parts[3],
+      column_start: parts[4] ? +parts[4] : null,
+    },
+  };
+}
+
+const geckoRe =
+  /^\s*(.*?)(?:\((.*?)\))?(?:^|@)((?:file|https?|blob|chrome|webpack|resource|\[native).*?|[^@]*bundle)(?::(\d+))?(?::(\d+))?\s*$/i;
+const geckoEvalRe = /(\S+) line (\d+)(?: > eval line \d+)* > eval/i;
+
+function parseGecko(line) {
+  const parts = geckoRe.exec(line);
+
+  if (!parts) {
+    return null;
+  }
+
+  const isEval = parts[3] && parts[3].indexOf(" > eval") > -1;
+
+  const submatch = geckoEvalRe.exec(parts[3]);
+  if (isEval && submatch != null) {
+    // throw out eval line/column and use top-most line number
+    parts[3] = submatch[1];
+    parts[4] = submatch[2];
+    parts[5] = null; // no column when eval
+  }
+
+  return {
+    file: formatFile(parts[3]),
+    function_name: parts[1] || "",
+    position: {
+      line: parts[4] ? +parts[4] : null,
+      column_start: parts[5] ? +parts[5] : null,
+    },
+  };
+}
+
+const javaScriptCoreRe =
+  /^\s*(?:([^@]*)(?:\((.*?)\))?@)?(\S.*?):(\d+)(?::(\d+))?\s*$/i;
+
+function parseJSC(line) {
+  const parts = javaScriptCoreRe.exec(line);
+
+  if (!parts) {
+    return null;
+  }
+
+  return {
+    file: formatFile(parts[3]),
+    function_name: parts[1] || "",
+    position: {
+      line: +parts[4],
+      column_start: parts[5] ? +parts[5] : null,
+    },
+  };
+}
+
+const nodeRe =
+  /^\s*at (?:((?:\[object object\])?[^\\/]+(?: \[as \S+\])?) )?\(?(.*?):(\d+)(?::(\d+))?\)?\s*$/i;
+
+function parseNode(line) {
+  const parts = nodeRe.exec(line);
+
+  if (!parts) {
+    return null;
+  }
+
+  return {
+    file: formatFile(parts[2]),
+    function_name: parts[1] || "",
+    position: {
+      line: +parts[3],
+      column_start: parts[4] ? +parts[4] : null,
+    },
+  };
+}