Function parse

tools/eslint-rules/documented-errors.js:23–47

(line, legacy, lineNumber)

  let previousAnchor;

  function parse(line, legacy, lineNumber) {
    const anchorMatch = anchorPattern.exec(line);
    if (anchorMatch) {
      const code = anchorMatch[1];
      if (previousAnchor != null && previousAnchor > code) {
        throw new Error(`Unordered error anchor in ${docPath}:${lineNumber}`, { cause: `${previousAnchor} ≤ ${code}` });
      }
      previousAnchor = code;
      return;
    }

    const codeMatch = codePattern.exec(line);
    if (codeMatch == null) return;

    const code = codeMatch[1];
    if (previousAnchor == null) {
      throw new Error(`Missing error anchor in ${docPath}:${lineNumber}`, { cause: code });
    }
    assert.strictEqual(code, previousAnchor, `Error anchor do not match with error code in ${docPath}:${lineNumber}`);

    if (legacy && errors.has(code)) {
      throw new Error(`Error is documented both as legacy and non-legacy in ${docPath}:${lineNumber}`, { cause: code });
    }
    (legacy ? legacyErrors : errors).add(code);
  }

  let lineNumber = 0;
  for (const line of lines) {