unexpected/build/lib/addAdditionalPromiseMethods.js

Extensible BDD assertion toolkit

function addAdditionalPromiseMethods(promise, expect, subject) {
  promise.and = function () {
    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    function executeAnd() {
      if (expect.findTypeOf(args[0]).is('expect.it')) {
        return addAdditionalPromiseMethods(args[0](subject), expect, subject);
      } else {
        return expect.apply(undefined, [subject].concat(args));
      }
    }

    if (this.isFulfilled()) {
      return executeAnd();
    } else {
      return addAdditionalPromiseMethods(this.then(executeAnd), expect, subject);
    }
  };

  return promise;
}

module.exports = addAdditionalPromiseMethods;