path: root/node_modules/co-with-promise/co-browser.js

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.co = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var PinkiePromise = require('pinkie-promise');

/**
 * slice() reference.
 */

var slice = Array.prototype.slice;

/**
 * Expose `co`.
 */

module.exports = co['default'] = co.co = co;

/**
 * Wrap the given generator `fn` into a
 * function that returns a promise.
 * This is a separate function so that
 * every `co()` call doesn't create a new,
 * unnecessary closure.
 *
 * @param {GeneratorFunction} fn
 * @return {Function}
 * @api public
 */

co.wrap = function (fn) {
  createPromise.__generatorFunction__ = fn;
  return createPromise;
  function createPromise() {
    return co.call(this, fn.apply(this, arguments));
  }
};

/**
 * Execute the generator function or a generator
 * and return a promise.
 *
 * @param {Function} fn
 * @return {Promise}
 * @api public
 */

function co(gen) {
  var ctx = this;
  var args = slice.call(arguments, 1)

  // we wrap everything in a promise to avoid promise chaining,
  // which leads to memory leak errors.
  // see https://github.com/tj/co/issues/180
  return new PinkiePromise(function(resolve, reject) {
    if (typeof gen === 'function') gen = gen.apply(ctx, args);
    if (!gen || typeof gen.next !== 'function') return resolve(gen);

    onFulfilled();

    /**
     * @param {Mixed} res
     * @return {Promise}
     * @api private
     */

    function onFulfilled(res) {
      var ret;
      try {
        ret = gen.next(res);
      } catch (e) {
        return reject(e);
      }
      next(ret);
    }

    /**
     * @param {Error} err
     * @return {Promise}
     * @api private
     */

    function onRejected(err) {
      var ret;
      try {
        ret = gen.throw(err);
      } catch (e) {
        return reject(e);
      }
      next(ret);
    }

    /**
     * Get the next value in the generator,
     * return a promise.
     *
     * @param {Object} ret
     * @return {Promise}
     * @api private
     */

    function next(ret) {
      if (ret.done) return resolve(ret.value);
      var value = toPromise.call(ctx, ret.value);
      if (value && isPromise(value)) return value.then(onFulfilled, onRejected);
      return onRejected(new TypeError('You may only yield a function, promise, generator, array, or object, '
        + 'but the following object was passed: "' + String(ret.value) + '"'));
    }
  });
}

/**
 * Convert a `yield`ed value into a promise.
 *
 * @param {Mixed} obj
 * @return {Promise}
 * @api private
 */

function toPromise(obj) {
  if (!obj) return obj;
  if (isPromise(obj)) return obj;
  if (isGeneratorFunction(obj) || isGenerator(obj)) return co.call(this, obj);
  if ('function' == typeof obj) return thunkToPromise.call(this, obj);
  if (Array.isArray(obj)) return arrayToPromise.call(this, obj);
  if (isObject(obj)) return objectToPromise.call(this, obj);
  return obj;
}

/**
 * Convert a thunk to a promise.
 *
 * @param {Function}
 * @return {Promise}
 * @api private
 */

function thunkToPromise(fn) {
  var ctx = this;
  return new PinkiePromise(function (resolve, reject) {
    fn.call(ctx, function (err, res) {
      if (err) return reject(err);
      if (arguments.length > 2) res = slice.call(arguments, 1);
      resolve(res);
    });
  });
}

/**
 * Convert an array of "yieldables" to a promise.
 * Uses `Promise.all()` internally.
 *
 * @param {Array} obj
 * @return {Promise}
 * @api private
 */

function arrayToPromise(obj) {
  return Promise.all(obj.map(toPromise, this));
}

/**
 * Convert an object of "yieldables" to a promise.
 * Uses `Promise.all()` internally.
 *
 * @param {Object} obj
 * @return {Promise}
 * @api private
 */

function objectToPromise(obj){
  var results = new obj.constructor();
  var keys = Object.keys(obj);
  var promises = [];
  for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    var promise = toPromise.call(this, obj[key]);
    if (promise && isPromise(promise)) defer(promise, key);
    else results[key] = obj[key];
  }
  return PinkiePromise.all(promises).then(function () {
    return results;
  });

  function defer(promise, key) {
    // predefine the key in the result
    results[key] = undefined;
    promises.push(promise.then(function (res) {
      results[key] = res;
    }));
  }
}

/**
 * Check if `obj` is a promise.
 *
 * @param {Object} obj
 * @return {Boolean}
 * @api private
 */

function isPromise(obj) {
  return 'function' == typeof obj.then;
}

/**
 * Check if `obj` is a generator.
 *
 * @param {Mixed} obj
 * @return {Boolean}
 * @api private
 */

function isGenerator(obj) {
  return 'function' == typeof obj.next && 'function' == typeof obj.throw;
}

/**
 * Check if `obj` is a generator function.
 *
 * @param {Mixed} obj
 * @return {Boolean}
 * @api private
 */
function isGeneratorFunction(obj) {
  var constructor = obj.constructor;
  if (!constructor) return false;
  if ('GeneratorFunction' === constructor.name || 'GeneratorFunction' === constructor.displayName) return true;
  return isGenerator(constructor.prototype);
}

/**
 * Check for plain object.
 *
 * @param {Mixed} val
 * @return {Boolean}
 * @api private
 */

function isObject(val) {
  return Object == val.constructor;
}

},{"pinkie-promise":2}],2:[function(require,module,exports){
(function (global){
'use strict';

module.exports = global.Promise || require('pinkie');

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"pinkie":3}],3:[function(require,module,exports){
'use strict';

var PENDING = 'pending';
var SETTLED = 'settled';
var FULFILLED = 'fulfilled';
var REJECTED = 'rejected';
var NOOP = function () {};

// async calls
var asyncSetTimer = typeof setImmediate !== 'undefined' ? setImmediate : setTimeout;
var asyncQueue = [];
var asyncTimer;

function asyncFlush() {
	// run promise callbacks
	for (var i = 0; i < asyncQueue.length; i++) {
		asyncQueue[i][0](asyncQueue[i][1]);
	}

	// reset async asyncQueue
	asyncQueue = [];
	asyncTimer = false;
}

function asyncCall(callback, arg) {
	asyncQueue.push([callback, arg]);

	if (!asyncTimer) {
		asyncTimer = true;
		asyncSetTimer(asyncFlush, 0);
	}
}

function invokeResolver(resolver, promise) {
	function resolvePromise(value) {
		resolve(promise, value);
	}

	function rejectPromise(reason) {
		reject(promise, reason);
	}

	try {
		resolver(resolvePromise, rejectPromise);
	} catch (e) {
		rejectPromise(e);
	}
}

function invokeCallback(subscriber) {
	var owner = subscriber.owner;
	var settled = owner._state;
	var value = owner._data;
	var callback = subscriber[settled];
	var promise = subscriber.then;

	if (typeof callback === 'function') {
		settled = FULFILLED;
		try {
			value = callback(value);
		} catch (e) {
			reject(promise, e);
		}
	}

	if (!handleThenable(promise, value)) {
		if (settled === FULFILLED) {
			resolve(promise, value);
		}

		if (settled === REJECTED) {
			reject(promise, value);
		}
	}
}

function handleThenable(promise, value) {
	var resolved;

	try {
		if (promise === value) {
			throw new TypeError('A promises callback cannot return that same promise.');
		}

		if (value && (typeof value === 'function' || typeof value === 'object')) {
			var then = value.then; // then should be retrived only once

			if (typeof then === 'function') {
				then.call(value, function (val) {
					if (!resolved) {
						resolved = true;

						if (value !== val) {
							resolve(promise, val);
						} else {
							fulfill(promise, val);
						}
					}
				}, function (reason) {
					if (!resolved) {
						resolved = true;

						reject(promise, reason);
					}
				});

				return true;
			}
		}
	} catch (e) {
		if (!resolved) {
			reject(promise, e);
		}

		return true;
	}

	return false;
}

function resolve(promise, value) {
	if (promise === value || !handleThenable(promise, value)) {
		fulfill(promise, value);
	}
}

function fulfill(promise, value) {
	if (promise._state === PENDING) {
		promise._state = SETTLED;
		promise._data = value;

		asyncCall(publishFulfillment, promise);
	}
}

function reject(promise, reason) {
	if (promise._state === PENDING) {
		promise._state = SETTLED;
		promise._data = reason;

		asyncCall(publishRejection, promise);
	}
}

function publish(promise) {
	promise._then = promise._then.forEach(invokeCallback);
}

function publishFulfillment(promise) {
	promise._state = FULFILLED;
	publish(promise);
}

function publishRejection(promise) {
	promise._state = REJECTED;
	publish(promise);
}

/**
 * @class
 */
function Promise(resolver) {
	if (typeof resolver !== 'function') {
		throw new TypeError('Promise resolver ' + resolver + ' is not a function');
	}

	if (this instanceof Promise === false) {
		throw new TypeError('Failed to construct \'Promise\': Please use the \'new\' operator, this object constructor cannot be called as a function.');
	}

	this._then = [];

	invokeResolver(resolver, this);
}

Promise.prototype = {
	constructor: Promise,

	_state: PENDING,
	_then: null,
	_data: undefined,

	then: function (onFulfillment, onRejection) {
		var subscriber = {
			owner: this,
			then: new this.constructor(NOOP),
			fulfilled: onFulfillment,
			rejected: onRejection
		};

		if (this._state === FULFILLED || this._state === REJECTED) {
			// already resolved, call callback async
			asyncCall(invokeCallback, subscriber);
		} else {
			// subscribe
			this._then.push(subscriber);
		}

		return subscriber.then;
	},

	'catch': function (onRejection) {
		return this.then(null, onRejection);
	}
};

Promise.all = function (promises) {
	if (!Array.isArray(promises)) {
		throw new TypeError('You must pass an array to Promise.all().');
	}

	return new Promise(function (resolve, reject) {
		var results = [];
		var remaining = 0;

		function resolver(index) {
			remaining++;
			return function (value) {
				results[index] = value;
				if (!--remaining) {
					resolve(results);
				}
			};
		}

		for (var i = 0, promise; i < promises.length; i++) {
			promise = promises[i];

			if (promise && typeof promise.then === 'function') {
				promise.then(resolver(i), reject);
			} else {
				results[i] = promise;
			}
		}

		if (!remaining) {
			resolve(results);
		}
	});
};

Promise.race = function (promises) {
	if (!Array.isArray(promises)) {
		throw new TypeError('You must pass an array to Promise.race().');
	}

	return new Promise(function (resolve, reject) {
		for (var i = 0, promise; i < promises.length; i++) {
			promise = promises[i];

			if (promise && typeof promise.then === 'function') {
				promise.then(resolve, reject);
			} else {
				resolve(promise);
			}
		}
	});
};

Promise.resolve = function (value) {
	if (value && typeof value === 'object' && value.constructor === Promise) {
		return value;
	}

	return new Promise(function (resolve) {
		resolve(value);
	});
};

Promise.reject = function (reason) {
	return new Promise(function (resolve, reject) {
		reject(reason);
	});
};

module.exports = Promise;

},{}]},{},[1])(1)
});