Function invokeCallback

tools/pythonauto/static/skulpt-004/skulpt.js:4542–4570

(settled, promise, callback, detail)

    }

    function invokeCallback(settled, promise, callback, detail) {
      var hasCallback = isFunction(callback),
          value, error, succeeded, failed;

      if (hasCallback) {
        try {
          value = callback(detail);
          succeeded = true;
        } catch(e) {
          failed = true;
          error = e;
        }
      } else {
        value = detail;
        succeeded = true;
      }

      if (handleThenable(promise, value)) {
        return;
      } else if (hasCallback && succeeded) {
        resolve(promise, value);
      } else if (failed) {
        reject(promise, error);
      } else if (settled === FULFILLED) {
        resolve(promise, value);
      } else if (settled === REJECTED) {
        reject(promise, value);
      }
    }

    var PENDING   = void 0;
    var SEALED    = 0;