Function parseStack

packages/react-error-overlay/src/utils/parser.js:33–69

(stack: string[])

const regexValidFrame_FireFox = /(^|@)\S+:\d+|.+line\s+\d+\s+>\s+(eval|Function).+/;

function parseStack(stack: string[]): StackFrame[] {
  const frames = stack
    .filter(
      e => regexValidFrame_Chrome.test(e) || regexValidFrame_FireFox.test(e)
    )
    .map(e => {
      if (regexValidFrame_FireFox.test(e)) {
        // Strip eval, we don't care about it
        let isEval = false;
        if (/ > (eval|Function)/.test(e)) {
          e = e.replace(
            / line (\d+)(?: > eval line \d+)* > (eval|Function):\d+:\d+/g,
            ':$1'
          );
          isEval = true;
        }
        const data = e.split(/[@]/g);
        const last = data.pop();
        return new StackFrame(
          data.join('@') || (isEval ? 'eval' : null),
          ...extractLocation(last)
        );
      } else {
        // Strip eval, we don't care about it
        if (e.indexOf('(eval ') !== -1) {
          e = e.replace(/(\(eval at [^()]*)|(\),.*$)/g, '');
        }
        if (e.indexOf('(at ') !== -1) {
          e = e.replace(/\(at /, '(');
        }
        const data = e.trim().split(/\s+/g).slice(1);
        const last = data.pop();
        return new StackFrame(data.join(' ') || null, ...extractLocation(last));
      }
    });
  return frames;
}

/**
 * Turns an <code>Error</code>, or similar object, into a set of <code>StackFrame</code>s.