Function prettyStack

example/tests/gm_xhr_test.js:197–260

(errorOrStack, options = {})

  // ---------- Pretty Stack -----------
  function prettyStack(errorOrStack, options = {}) {
    const {
      stripQuery = true,
      decode = true,
      maxUrlLength = 90,
      dropExtensionUuid = true,
      pathSegments = 2,
      indent = "  ",
      minFnWidth = 8,
      maxFnWidth = 48,
      minLocWidth = 5,
      maxLocWidth = 12,
      maxLines = -1,
    } = options;

    const rawStack =
      typeof errorOrStack === "string"
        ? errorOrStack
        : errorOrStack && errorOrStack.stack
          ? errorOrStack.stack
          : String(errorOrStack);

    const lines = rawStack.split(/\r?\n/).filter(Boolean);

    const frames = lines
      .filter((line, j) => maxLines > 0 ? j < maxLines : true)
      .map(parseStackLine)
      .filter(Boolean)
      .map(frame => ({
        ...frame,
        fn: cleanFunctionName(frame.fn),
        file: cleanFileName(frame.file, {
          stripQuery,
          decode,
          maxUrlLength,
          dropExtensionUuid,
          pathSegments,
        }),
      }));

    if (!frames.length) return rawStack;

    const fnWidth = clamp(
      frames.reduce((max, f) => Math.max(max, f.fn.length), minFnWidth),
      minFnWidth,
      maxFnWidth
    );

    const locWidth = clamp(
      frames.reduce((max, f) => {
        return Math.max(max, `${f.line}:${f.col}`.length);
      }, minLocWidth),
      minLocWidth,
      maxLocWidth
    );

    return frames
      .map(f => {