Function extractLocation

packages/react-error-overlay/src/utils/parser.js:14–28

(token: string)

// $FlowFixMe
function extractLocation(token: string): [string, number, number] {
  return (
    regexExtractLocation
      .exec(token)
      // $FlowFixMe
      .slice(1)
      .map(v => {
        const p = Number(v);
        if (!isNaN(p)) {
          return p;
        }
        return v;
      })
  );
}

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