unexpected/lib/useFullStackTrace.js

Extensible BDD assertion toolkit

/*global window*/
const Promise = require('unexpected-bluebird');
let useFullStackTrace = false;
if (typeof window !== 'undefined' && typeof window.location !== 'undefined') {
  useFullStackTrace = !!window.location.search.match(
    /[?&]full-trace=true(?:$|&)/
  );
}

if (
  typeof process !== 'undefined' &&
  process.env &&
  process.env.UNEXPECTED_FULL_TRACE
) {
  Promise.longStackTraces();
  useFullStackTrace = true;
}
module.exports = useFullStackTrace;