function parseChrome()

in packages/shared/util/Recoil_stackTraceParser.js [72:97]

• 21 lines of code
• 11 McCabe index (conditional complexity)

function parseChrome(line: string): ?Frame {
  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: !isNative ? parts[2] : null,
    methodName: parts[1] || UNKNOWN_FUNCTION,
    arguments: isNative ? [parts[2]] : [],
    lineNumber: parts[3] ? +parts[3] : null,
    column: parts[4] ? +parts[4] : null,
  };
}