promise-faker/lib/index.js

Provides promise-like APIs but runs synchronously. This module is useful for controlling flows.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _fakePromise = require('./fake-promise');

class Promise {
  constructor(callback) {
    if (typeof callback !== 'function') {
      throw new TypeError(`Promise resolver ${callback} is not a function`);
    }

    const p = new _fakePromise.FakePromise();
    const result = (0, _fakePromise.tryCatch)(callback, value => p[_fakePromise.RESOLVE](value), error => p[_fakePromise.REJECT](error));

    // resolve or reject already called
    if (!p[_fakePromise.PENDING]) {
      return p;
    }

    // not called, but there is an error
    if (result[_fakePromise.REJECTED]) {
      return result;
    }

    // Promise<pending>
    return p;
  }
}

exports.default = Promise;
const {
  resolve
} = _fakePromise.FakePromise;

const all = tasks => tasks.map(task => resolve(task, true));

const define = (object, key, value) => Object.defineProperty(object, key, {
  value
});

define(Promise, 'resolve', resolve);
define(Promise, 'reject', _fakePromise.FakePromise.reject);
define(Promise, 'all', tasks => (0, _fakePromise.tryCatch)(all, tasks));
module.exports = exports['default'];