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Diffstat (limited to 'node_modules/co-with-promise/co-browser.js')
| -rw-r--r-- | node_modules/co-with-promise/co-browser.js | 527 |
1 files changed, 527 insertions, 0 deletions
diff --git a/node_modules/co-with-promise/co-browser.js b/node_modules/co-with-promise/co-browser.js new file mode 100644 index 000000000..ea4780e28 --- /dev/null +++ b/node_modules/co-with-promise/co-browser.js @@ -0,0 +1,527 @@ +(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) +});
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