function pollUntil()

in MonoToMicroUI/fontawesome-free/js/conflict-detection.js [605:645]

• 15 lines of code
• 5 McCabe index (conditional complexity)

  function pollUntil(_ref) {
    var _ref$fn = _ref.fn,
        fn = _ref$fn === void 0 ? function () {
      return true;
    } : _ref$fn,
        _ref$initialDuration = _ref.initialDuration,
        initialDuration = _ref$initialDuration === void 0 ? 1 : _ref$initialDuration,
        _ref$maxDuration = _ref.maxDuration,
        maxDuration = _ref$maxDuration === void 0 ? WINDOW.FontAwesomeDetection.timeout : _ref$maxDuration,
        _ref$showProgress = _ref.showProgress,
        showProgress = _ref$showProgress === void 0 ? false : _ref$showProgress,
        progressIndicator = _ref.progressIndicator;
    return new Promise(function (resolve, reject) {
      // eslint-disable-line compat/compat
      function poll(duration, cumulativeDuration) {
        setTimeout(function () {
          var result = fn();

          if (showProgress) {
            console.info(progressIndicator);
          }

          if (!!result) {
            // eslint-disable-line no-extra-boolean-cast
            resolve(result);
          } else {
            var nextDuration = 250;
            var nextCumulativeDuration = nextDuration + cumulativeDuration;

            if (nextCumulativeDuration <= maxDuration) {
              poll(nextDuration, nextCumulativeDuration);
            } else {
              reject('timeout'); // eslint-disable-line prefer-promise-reject-errors
            }
          }
        }, duration);
      }

      poll(initialDuration, 0);
    });
  }