eventric-remote-socketio-client
Version:
eventric remote Socket.IO client implementation
1,436 lines (1,215 loc) • 410 kB
JavaScript
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/* 0 */
/***/ function(module, exports, __webpack_require__) {
__webpack_require__(1);
module.exports = __webpack_require__(2);
/***/ },
/* 1 */
/***/ function(module, exports) {
var SocketIORemoteServiceClient,
slice = [].slice;
SocketIORemoteServiceClient = (function() {
function SocketIORemoteServiceClient() {}
SocketIORemoteServiceClient.prototype.initialize = function(options) {
if (options == null) {
options = {};
}
this._subscriberId = 0;
this._rpcId = 0;
this._subscribers = [];
this._promises = {};
return this._initializeSocketIo(options);
};
SocketIORemoteServiceClient.prototype._initializeSocketIo = function(arg) {
var ioClientInstance;
ioClientInstance = arg.ioClientInstance;
return new Promise((function(_this) {
return function(resolve) {
_this._io_socket = ioClientInstance;
_this._initializeRPCResponseListener();
return resolve();
};
})(this));
};
SocketIORemoteServiceClient.prototype._initializeRPCResponseListener = function() {
return this._io_socket.on('eventric:rpcResponse', (function(_this) {
return function(response) {
return setTimeout(function() {
return _this._handleRpcResponse(response);
});
};
})(this));
};
SocketIORemoteServiceClient.prototype.rpc = function(payload) {
return new Promise((function(_this) {
return function(resolve, reject) {
var rpcId;
rpcId = _this._getNextRpcId();
payload.rpcId = rpcId;
_this._promises[rpcId] = {
resolve: resolve,
reject: reject
};
return _this._io_socket.emit('eventric:rpcRequest', payload);
};
})(this));
};
SocketIORemoteServiceClient.prototype._getNextRpcId = function() {
return this._rpcId++;
};
SocketIORemoteServiceClient.prototype._handleRpcResponse = function(response) {
if (response.rpcId == null) {
throw new Error('Missing rpcId in RPC Response');
}
if (!(response.rpcId in this._promises)) {
throw new Error("No promise registered for id " + response.rpcId);
}
if (response.error) {
if (response.error.constructor !== Error) {
response.error = this._convertObjectToError(response.error);
}
this._promises[response.rpcId].reject(response.error);
} else {
this._promises[response.rpcId].resolve(response.data);
}
return delete this._promises[response.rpcId];
};
SocketIORemoteServiceClient.prototype._convertObjectToError = function(object) {
var error;
error = new Error(object.message);
Object.keys(object).forEach(function(key) {
return error[key] = object[key];
});
return error;
};
SocketIORemoteServiceClient.prototype.subscribe = function() {
var aggregateId, arg, context, domainEventName, i, subscriberFn;
context = arguments[0], arg = 3 <= arguments.length ? slice.call(arguments, 1, i = arguments.length - 1) : (i = 1, []), subscriberFn = arguments[i++];
domainEventName = arg[0], aggregateId = arg[1];
return new Promise((function(_this) {
return function(resolve, reject) {
var fullEventName, subscriber;
fullEventName = _this._getFullEventName(context, domainEventName, aggregateId);
subscriber = {
eventName: fullEventName,
subscriberFn: subscriberFn,
subscriberId: _this._getNextSubscriberId()
};
_this._io_socket.emit('eventric:joinRoom', fullEventName);
_this._io_socket.on(fullEventName, subscriberFn);
_this._subscribers.push(subscriber);
return resolve(subscriber.subscriberId);
};
})(this));
};
SocketIORemoteServiceClient.prototype.unsubscribe = function(subscriberId) {
return new Promise((function(_this) {
return function(resolve, reject) {
var matchingSubscriber, othersHaveSubscribedToThisEvent;
matchingSubscriber = _this._subscribers.filter(function(subscriber) {
return subscriber.subscriberId === subscriberId;
})[0];
_this._subscribers = _this._subscribers.filter(function(subscriber) {
return subscriber !== matchingSubscriber;
});
_this._io_socket.removeListener(matchingSubscriber.eventName, matchingSubscriber.subscriberFn);
othersHaveSubscribedToThisEvent = _this._subscribers.some(function(subscriber) {
return subscriber.eventName === matchingSubscriber.eventName;
});
if (!othersHaveSubscribedToThisEvent) {
_this._io_socket.emit('eventric:leaveRoom', matchingSubscriber.eventName);
}
return resolve();
};
})(this));
};
SocketIORemoteServiceClient.prototype._getNextSubscriberId = function() {
return this._subscriberId++;
};
SocketIORemoteServiceClient.prototype._getFullEventName = function(context, domainEventName, aggregateId) {
var fullEventName;
fullEventName = context;
if (domainEventName) {
fullEventName += "/" + domainEventName;
}
if (aggregateId) {
fullEventName += "/" + aggregateId;
}
return fullEventName;
};
SocketIORemoteServiceClient.prototype.disconnect = function() {
return this._io_socket.disconnect();
};
return SocketIORemoteServiceClient;
})();
module.exports = new SocketIORemoteServiceClient;
/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(global) {var chai, eventric, expect, sinon;
__webpack_require__(3).polyfill();
chai = __webpack_require__(9);
expect = chai.expect;
eventric = __webpack_require__(47);
sinon = __webpack_require__(48);
describe('Remote SocketIO Client', function() {
var sandbox, socketIOClientStub, socketIORemoteClient;
socketIORemoteClient = null;
sandbox = null;
socketIOClientStub = null;
beforeEach(function() {
sandbox = sinon.sandbox.create();
socketIOClientStub = sandbox.stub();
socketIOClientStub.on = sandbox.stub();
socketIOClientStub.emit = sandbox.stub();
socketIOClientStub.removeListener = sandbox.stub();
return socketIORemoteClient = __webpack_require__(1);
});
afterEach(function() {
return sandbox.restore();
});
describe('#initialize', function() {
return it('should register a callback for eventric:rpcResponse which makes use of setTimeout', function() {
socketIOClientStub.on.yields();
sandbox.stub(global, 'setTimeout');
socketIORemoteClient.initialize({
ioClientInstance: socketIOClientStub
});
expect(socketIOClientStub.on.calledWith('eventric:rpcResponse', sinon.match.func)).to.be["true"];
return expect(global.setTimeout.calledOnce).to.be["true"];
});
});
describe('#rpc', function() {
beforeEach(function() {
sandbox.stub(global, 'setTimeout').yields();
return socketIORemoteClient.initialize({
ioClientInstance: socketIOClientStub
});
});
it('should emit an eventric:rpcRequest event with the given payload', function() {
var rpcPayload;
rpcPayload = {
some: 'payload'
};
socketIORemoteClient.rpc(rpcPayload);
return expect(socketIOClientStub.emit.calledWith('eventric:rpcRequest', rpcPayload)).to.be["true"];
});
it('should resolve with the correct response data given a rpc response', function(done) {
var payload, responseStub, rpcResponseHandler;
payload = {};
socketIORemoteClient.rpc(payload).then(function(responseData) {
expect(responseData).to.equal(responseStub.data);
return done();
});
responseStub = {
rpcId: payload.rpcId,
data: {}
};
rpcResponseHandler = socketIOClientStub.on.firstCall.args[1];
return rpcResponseHandler(responseStub);
});
it('should reject with an error given a rpc response with an error', function() {
var payload, responseStub, rpcResponseHandler;
payload = {};
socketIORemoteClient.rpc(payload)["catch"](function(error) {
expect(error).to.be(responseStub.error);
return done();
});
responseStub = {
rpcId: payload.rpcId,
error: new Error('The error message')
};
rpcResponseHandler = socketIOClientStub.on.firstCall.args[1];
return rpcResponseHandler(responseStub);
});
it('should reject with an error given a rpc response with an error like object', function(done) {
var payload, responseStub, rpcResponseHandler;
payload = {};
socketIORemoteClient.rpc(payload)["catch"](function(error) {
expect(error instanceof Error).to.be["true"];
expect(error.name).to.equal('SomeError');
expect(error.message).to.equal('The error message');
return done();
});
responseStub = {
rpcId: payload.rpcId,
error: {
name: 'SomeError',
message: 'The error message'
}
};
rpcResponseHandler = socketIOClientStub.on.firstCall.args[1];
return rpcResponseHandler(responseStub);
});
return it('should preserve all custom properties given a rpc response with an error like object with custom properties', function(done) {
var payload, responseStub, rpcResponseHandler;
payload = {};
socketIORemoteClient.rpc(payload)["catch"](function(error) {
expect(error instanceof Error).to.be["true"];
expect(error.customProperty).to.equal('customValue');
return done();
});
responseStub = {
rpcId: payload.rpcId,
error: {
name: 'SomeError',
message: 'The error message',
customProperty: 'customValue'
}
};
rpcResponseHandler = socketIOClientStub.on.firstCall.args[1];
return rpcResponseHandler(responseStub);
});
});
describe('#subscribe', function() {
var handler;
handler = null;
beforeEach(function() {
handler = function() {};
return socketIORemoteClient.initialize({
ioClientInstance: socketIOClientStub
});
});
it('should return an unique subscriber id', function() {
var subscriberId1, subscriberId2;
subscriberId1 = socketIORemoteClient.subscribe('context', handler);
subscriberId2 = socketIORemoteClient.subscribe('context', handler);
expect(subscriberId1).to.be.a('object');
expect(subscriberId2).to.be.a('object');
return expect(subscriberId1).not.to.equal(subscriberId2);
});
describe('given only a context name', function() {
beforeEach(function() {
return socketIORemoteClient.subscribe('context', handler);
});
it('should join the correct channel', function() {
return expect(socketIOClientStub.emit.calledWith('eventric:joinRoom', 'context')).to.be["true"];
});
return it('should subscribe to the correct event', function() {
return expect(socketIOClientStub.on.calledWith('context', handler)).to.be["true"];
});
});
describe('given a context name and event name', function() {
beforeEach(function() {
return socketIORemoteClient.subscribe('context', 'EventName', handler);
});
it('should join the correct channel', function() {
return expect(socketIOClientStub.emit.calledWith('eventric:joinRoom', 'context/EventName')).to.be["true"];
});
return it('should subscribe to the correct event', function() {
return expect(socketIOClientStub.on.calledWith('context/EventName', handler)).to.be["true"];
});
});
return describe('given a context name, event name and aggregate id', function() {
beforeEach(function() {
return socketIORemoteClient.subscribe('context', 'EventName', '12345', handler);
});
it('should join the correct channel', function() {
return expect(socketIOClientStub.emit.calledWith('eventric:joinRoom', 'context/EventName/12345')).to.be["true"];
});
return it('should subscribe to the correct event', function() {
return expect(socketIOClientStub.on.calledWith('context/EventName/12345', handler)).to.be["true"];
});
});
});
return describe('#unsubscribe', function() {
var handler;
handler = null;
beforeEach(function() {
handler = function() {};
return socketIORemoteClient.initialize({
ioClientInstance: socketIOClientStub
});
});
it('should unsubscribe from the given event', function() {
return socketIORemoteClient.subscribe('context/EventName/12345', handler).then(function(subscriberId) {
socketIORemoteClient.unsubscribe(subscriberId);
return expect(socketIOClientStub.removeListener.calledWith('context/EventName/12345', handler)).to.be["true"];
});
});
describe('given there are no more handlers for this event', function() {
return it('should leave the given channel', function() {
return socketIORemoteClient.subscribe('context', 'EventName', '12345', handler).then(function(subscriberId1) {
socketIORemoteClient.unsubscribe(subscriberId1);
return expect(socketIOClientStub.emit.calledWith('eventric:leaveRoom', 'context/EventName/12345')).to.be["true"];
});
});
});
return describe('given there are still handlers for this event', function() {
return it('should not leave the given channel', function() {
var subscriberId1Promise, subscriberId2Promise;
subscriberId1Promise = socketIORemoteClient.subscribe('context', 'EventName', '12345', handler);
subscriberId2Promise = socketIORemoteClient.subscribe('context', 'EventName', '12345', handler);
return Promise.all([subscriberId1Promise, subscriberId2Promise]).then(function(subscriberIds) {
socketIORemoteClient.unsubscribe(subscriberIds[1]);
return expect(socketIOClientStub.emit.calledWith('eventric:leaveRoom')).not.to.be["true"];
});
});
});
});
});
/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {
var require;var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(process, setImmediate, global, module) {/*!
* @overview es6-promise - a tiny implementation of Promises/A+.
* @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald)
* @license Licensed under MIT license
* See https://raw.githubusercontent.com/jakearchibald/es6-promise/master/LICENSE
* @version 2.1.1
*/
(function() {
"use strict";
function lib$es6$promise$utils$$objectOrFunction(x) {
return typeof x === 'function' || (typeof x === 'object' && x !== null);
}
function lib$es6$promise$utils$$isFunction(x) {
return typeof x === 'function';
}
function lib$es6$promise$utils$$isMaybeThenable(x) {
return typeof x === 'object' && x !== null;
}
var lib$es6$promise$utils$$_isArray;
if (!Array.isArray) {
lib$es6$promise$utils$$_isArray = function (x) {
return Object.prototype.toString.call(x) === '[object Array]';
};
} else {
lib$es6$promise$utils$$_isArray = Array.isArray;
}
var lib$es6$promise$utils$$isArray = lib$es6$promise$utils$$_isArray;
var lib$es6$promise$asap$$len = 0;
var lib$es6$promise$asap$$toString = {}.toString;
var lib$es6$promise$asap$$vertxNext;
function lib$es6$promise$asap$$asap(callback, arg) {
lib$es6$promise$asap$$queue[lib$es6$promise$asap$$len] = callback;
lib$es6$promise$asap$$queue[lib$es6$promise$asap$$len + 1] = arg;
lib$es6$promise$asap$$len += 2;
if (lib$es6$promise$asap$$len === 2) {
// If len is 2, that means that we need to schedule an async flush.
// If additional callbacks are queued before the queue is flushed, they
// will be processed by this flush that we are scheduling.
lib$es6$promise$asap$$scheduleFlush();
}
}
var lib$es6$promise$asap$$default = lib$es6$promise$asap$$asap;
var lib$es6$promise$asap$$browserWindow = (typeof window !== 'undefined') ? window : undefined;
var lib$es6$promise$asap$$browserGlobal = lib$es6$promise$asap$$browserWindow || {};
var lib$es6$promise$asap$$BrowserMutationObserver = lib$es6$promise$asap$$browserGlobal.MutationObserver || lib$es6$promise$asap$$browserGlobal.WebKitMutationObserver;
var lib$es6$promise$asap$$isNode = typeof process !== 'undefined' && {}.toString.call(process) === '[object process]';
// test for web worker but not in IE10
var lib$es6$promise$asap$$isWorker = typeof Uint8ClampedArray !== 'undefined' &&
typeof importScripts !== 'undefined' &&
typeof MessageChannel !== 'undefined';
// node
function lib$es6$promise$asap$$useNextTick() {
var nextTick = process.nextTick;
// node version 0.10.x displays a deprecation warning when nextTick is used recursively
// setImmediate should be used instead instead
var version = process.versions.node.match(/^(?:(\d+)\.)?(?:(\d+)\.)?(\*|\d+)$/);
if (Array.isArray(version) && version[1] === '0' && version[2] === '10') {
nextTick = setImmediate;
}
return function() {
nextTick(lib$es6$promise$asap$$flush);
};
}
// vertx
function lib$es6$promise$asap$$useVertxTimer() {
return function() {
lib$es6$promise$asap$$vertxNext(lib$es6$promise$asap$$flush);
};
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function lib$es6$promise$asap$$useMutationObserver() {
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var observer = new lib$es6$promise$asap$$BrowserMutationObserver(lib$es6$promise$asap$$flush);
var node = document.createTextNode('');
observer.observe(node, { characterData: true });
return function() {
node.data = (iterations = ++iterations % 2);
};
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channel.port1.onmessage = lib$es6$promise$asap$$flush;
return function () {
channel.port2.postMessage(0);
};
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function lib$es6$promise$asap$$useSetTimeout() {
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setTimeout(lib$es6$promise$asap$$flush, 1);
};
}
var lib$es6$promise$asap$$queue = new Array(1000);
function lib$es6$promise$asap$$flush() {
for (var i = 0; i < lib$es6$promise$asap$$len; i+=2) {
var callback = lib$es6$promise$asap$$queue[i];
var arg = lib$es6$promise$asap$$queue[i+1];
callback(arg);
lib$es6$promise$asap$$queue[i] = undefined;
lib$es6$promise$asap$$queue[i+1] = undefined;
}
lib$es6$promise$asap$$len = 0;
}
function lib$es6$promise$asap$$attemptVertex() {
try {
var r = require;
var vertx = __webpack_require__(7);
lib$es6$promise$asap$$vertxNext = vertx.runOnLoop || vertx.runOnContext;
return lib$es6$promise$asap$$useVertxTimer();
} catch(e) {
return lib$es6$promise$asap$$useSetTimeout();
}
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var lib$es6$promise$asap$$scheduleFlush;
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if (lib$es6$promise$asap$$isNode) {
lib$es6$promise$asap$$scheduleFlush = lib$es6$promise$asap$$useNextTick();
} else if (lib$es6$promise$asap$$BrowserMutationObserver) {
lib$es6$promise$asap$$scheduleFlush = lib$es6$promise$asap$$useMutationObserver();
} else if (lib$es6$promise$asap$$isWorker) {
lib$es6$promise$asap$$scheduleFlush = lib$es6$promise$asap$$useMessageChannel();
} else if (lib$es6$promise$asap$$browserWindow === undefined && "function" === 'function') {
lib$es6$promise$asap$$scheduleFlush = lib$es6$promise$asap$$attemptVertex();
} else {
lib$es6$promise$asap$$scheduleFlush = lib$es6$promise$asap$$useSetTimeout();
}
function lib$es6$promise$$internal$$noop() {}
var lib$es6$promise$$internal$$PENDING = void 0;
var lib$es6$promise$$internal$$FULFILLED = 1;
var lib$es6$promise$$internal$$REJECTED = 2;
var lib$es6$promise$$internal$$GET_THEN_ERROR = new lib$es6$promise$$internal$$ErrorObject();
function lib$es6$promise$$internal$$selfFullfillment() {
return new TypeError("You cannot resolve a promise with itself");
}
function lib$es6$promise$$internal$$cannotReturnOwn() {
return new TypeError('A promises callback cannot return that same promise.');
}
function lib$es6$promise$$internal$$getThen(promise) {
try {
return promise.then;
} catch(error) {
lib$es6$promise$$internal$$GET_THEN_ERROR.error = error;
return lib$es6$promise$$internal$$GET_THEN_ERROR;
}
}
function lib$es6$promise$$internal$$tryThen(then, value, fulfillmentHandler, rejectionHandler) {
try {
then.call(value, fulfillmentHandler, rejectionHandler);
} catch(e) {
return e;
}
}
function lib$es6$promise$$internal$$handleForeignThenable(promise, thenable, then) {
lib$es6$promise$asap$$default(function(promise) {
var sealed = false;
var error = lib$es6$promise$$internal$$tryThen(then, thenable, function(value) {
if (sealed) { return; }
sealed = true;
if (thenable !== value) {
lib$es6$promise$$internal$$resolve(promise, value);
} else {
lib$es6$promise$$internal$$fulfill(promise, value);
}
}, function(reason) {
if (sealed) { return; }
sealed = true;
lib$es6$promise$$internal$$reject(promise, reason);
}, 'Settle: ' + (promise._label || ' unknown promise'));
if (!sealed && error) {
sealed = true;
lib$es6$promise$$internal$$reject(promise, error);
}
}, promise);
}
function lib$es6$promise$$internal$$handleOwnThenable(promise, thenable) {
if (thenable._state === lib$es6$promise$$internal$$FULFILLED) {
lib$es6$promise$$internal$$fulfill(promise, thenable._result);
} else if (thenable._state === lib$es6$promise$$internal$$REJECTED) {
lib$es6$promise$$internal$$reject(promise, thenable._result);
} else {
lib$es6$promise$$internal$$subscribe(thenable, undefined, function(value) {
lib$es6$promise$$internal$$resolve(promise, value);
}, function(reason) {
lib$es6$promise$$internal$$reject(promise, reason);
});
}
}
function lib$es6$promise$$internal$$handleMaybeThenable(promise, maybeThenable) {
if (maybeThenable.constructor === promise.constructor) {
lib$es6$promise$$internal$$handleOwnThenable(promise, maybeThenable);
} else {
var then = lib$es6$promise$$internal$$getThen(maybeThenable);
if (then === lib$es6$promise$$internal$$GET_THEN_ERROR) {
lib$es6$promise$$internal$$reject(promise, lib$es6$promise$$internal$$GET_THEN_ERROR.error);
} else if (then === undefined) {
lib$es6$promise$$internal$$fulfill(promise, maybeThenable);
} else if (lib$es6$promise$utils$$isFunction(then)) {
lib$es6$promise$$internal$$handleForeignThenable(promise, maybeThenable, then);
} else {
lib$es6$promise$$internal$$fulfill(promise, maybeThenable);
}
}
}
function lib$es6$promise$$internal$$resolve(promise, value) {
if (promise === value) {
lib$es6$promise$$internal$$reject(promise, lib$es6$promise$$internal$$selfFullfillment());
} else if (lib$es6$promise$utils$$objectOrFunction(value)) {
lib$es6$promise$$internal$$handleMaybeThenable(promise, value);
} else {
lib$es6$promise$$internal$$fulfill(promise, value);
}
}
function lib$es6$promise$$internal$$publishRejection(promise) {
if (promise._onerror) {
promise._onerror(promise._result);
}
lib$es6$promise$$internal$$publish(promise);
}
function lib$es6$promise$$internal$$fulfill(promise, value) {
if (promise._state !== lib$es6$promise$$internal$$PENDING) { return; }
promise._result = value;
promise._state = lib$es6$promise$$internal$$FULFILLED;
if (promise._subscribers.length !== 0) {
lib$es6$promise$asap$$default(lib$es6$promise$$internal$$publish, promise);
}
}
function lib$es6$promise$$internal$$reject(promise, reason) {
if (promise._state !== lib$es6$promise$$internal$$PENDING) { return; }
promise._state = lib$es6$promise$$internal$$REJECTED;
promise._result = reason;
lib$es6$promise$asap$$default(lib$es6$promise$$internal$$publishRejection, promise);
}
function lib$es6$promise$$internal$$subscribe(parent, child, onFulfillment, onRejection) {
var subscribers = parent._subscribers;
var length = subscribers.length;
parent._onerror = null;
subscribers[length] = child;
subscribers[length + lib$es6$promise$$internal$$FULFILLED] = onFulfillment;
subscribers[length + lib$es6$promise$$internal$$REJECTED] = onRejection;
if (length === 0 && parent._state) {
lib$es6$promise$asap$$default(lib$es6$promise$$internal$$publish, parent);
}
}
function lib$es6$promise$$internal$$publish(promise) {
var subscribers = promise._subscribers;
var settled = promise._state;
if (subscribers.length === 0) { return; }
var child, callback, detail = promise._result;
for (var i = 0; i < subscribers.length; i += 3) {
child = subscribers[i];
callback = subscribers[i + settled];
if (child) {
lib$es6$promise$$internal$$invokeCallback(settled, child, callback, detail);
} else {
callback(detail);
}
}
promise._subscribers.length = 0;
}
function lib$es6$promise$$internal$$ErrorObject() {
this.error = null;
}
var lib$es6$promise$$internal$$TRY_CATCH_ERROR = new lib$es6$promise$$internal$$ErrorObject();
function lib$es6$promise$$internal$$tryCatch(callback, detail) {
try {
return callback(detail);
} catch(e) {
lib$es6$promise$$internal$$TRY_CATCH_ERROR.error = e;
return lib$es6$promise$$internal$$TRY_CATCH_ERROR;
}
}
function lib$es6$promise$$internal$$invokeCallback(settled, promise, callback, detail) {
var hasCallback = lib$es6$promise$utils$$isFunction(callback),
value, error, succeeded, failed;
if (hasCallback) {
value = lib$es6$promise$$internal$$tryCatch(callback, detail);
if (value === lib$es6$promise$$internal$$TRY_CATCH_ERROR) {
failed = true;
error = value.error;
value = null;
} else {
succeeded = true;
}
if (promise === value) {
lib$es6$promise$$internal$$reject(promise, lib$es6$promise$$internal$$cannotReturnOwn());
return;
}
} else {
value = detail;
succeeded = true;
}
if (promise._state !== lib$es6$promise$$internal$$PENDING) {
// noop
} else if (hasCallback && succeeded) {
lib$es6$promise$$internal$$resolve(promise, value);
} else if (failed) {
lib$es6$promise$$internal$$reject(promise, error);
} else if (settled === lib$es6$promise$$internal$$FULFILLED) {
lib$es6$promise$$internal$$fulfill(promise, value);
} else if (settled === lib$es6$promise$$internal$$REJECTED) {
lib$es6$promise$$internal$$reject(promise, value);
}
}
function lib$es6$promise$$internal$$initializePromise(promise, resolver) {
try {
resolver(function resolvePromise(value){
lib$es6$promise$$internal$$resolve(promise, value);
}, function rejectPromise(reason) {
lib$es6$promise$$internal$$reject(promise, reason);
});
} catch(e) {
lib$es6$promise$$internal$$reject(promise, e);
}
}
function lib$es6$promise$enumerator$$Enumerator(Constructor, input) {
var enumerator = this;
enumerator._instanceConstructor = Constructor;
enumerator.promise = new Constructor(lib$es6$promise$$internal$$noop);
if (enumerator._validateInput(input)) {
enumerator._input = input;
enumerator.length = input.length;
enumerator._remaining = input.length;
enumerator._init();
if (enumerator.length === 0) {
lib$es6$promise$$internal$$fulfill(enumerator.promise, enumerator._result);
} else {
enumerator.length = enumerator.length || 0;
enumerator._enumerate();
if (enumerator._remaining === 0) {
lib$es6$promise$$internal$$fulfill(enumerator.promise, enumerator._result);
}
}
} else {
lib$es6$promise$$internal$$reject(enumerator.promise, enumerator._validationError());
}
}
lib$es6$promise$enumerator$$Enumerator.prototype._validateInput = function(input) {
return lib$es6$promise$utils$$isArray(input);
};
lib$es6$promise$enumerator$$Enumerator.prototype._validationError = function() {
return new Error('Array Methods must be provided an Array');
};
lib$es6$promise$enumerator$$Enumerator.prototype._init = function() {
this._result = new Array(this.length);
};
var lib$es6$promise$enumerator$$default = lib$es6$promise$enumerator$$Enumerator;
lib$es6$promise$enumerator$$Enumerator.prototype._enumerate = function() {
var enumerator = this;
var length = enumerator.length;
var promise = enumerator.promise;
var input = enumerator._input;
for (var i = 0; promise._state === lib$es6$promise$$internal$$PENDING && i < length; i++) {
enumerator._eachEntry(input[i], i);
}
};
lib$es6$promise$enumerator$$Enumerator.prototype._eachEntry = function(entry, i) {
var enumerator = this;
var c = enumerator._instanceConstructor;
if (lib$es6$promise$utils$$isMaybeThenable(entry)) {
if (entry.constructor === c && entry._state !== lib$es6$promise$$internal$$PENDING) {
entry._onerror = null;
enumerator._settledAt(entry._state, i, entry._result);
} else {
enumerator._willSettleAt(c.resolve(entry), i);
}
} else {
enumerator._remaining--;
enumerator._result[i] = entry;
}
};
lib$es6$promise$enumerator$$Enumerator.prototype._settledAt = function(state, i, value) {
var enumerator = this;
var promise = enumerator.promise;
if (promise._state === lib$es6$promise$$internal$$PENDING) {
enumerator._remaining--;
if (state === lib$es6$promise$$internal$$REJECTED) {
lib$es6$promise$$internal$$reject(promise, value);
} else {
enumerator._result[i] = value;
}
}
if (enumerator._remaining === 0) {
lib$es6$promise$$internal$$fulfill(promise, enumerator._result);
}
};
lib$es6$promise$enumerator$$Enumerator.prototype._willSettleAt = function(promise, i) {
var enumerator = this;
lib$es6$promise$$internal$$subscribe(promise, undefined, function(value) {
enumerator._settledAt(lib$es6$promise$$internal$$FULFILLED, i, value);
}, function(reason) {
enumerator._settledAt(lib$es6$promise$$internal$$REJECTED, i, reason);
});
};
function lib$es6$promise$promise$all$$all(entries) {
return new lib$es6$promise$enumerator$$default(this, entries).promise;
}
var lib$es6$promise$promise$all$$default = lib$es6$promise$promise$all$$all;
function lib$es6$promise$promise$race$$race(entries) {
/*jshint validthis:true */
var Constructor = this;
var promise = new Constructor(lib$es6$promise$$internal$$noop);
if (!lib$es6$promise$utils$$isArray(entries)) {
lib$es6$promise$$internal$$reject(promise, new TypeError('You must pass an array to race.'));
return promise;
}
var length = entries.length;
function onFulfillment(value) {
lib$es6$promise$$internal$$resolve(promise, value);
}
function onRejection(reason) {
lib$es6$promise$$internal$$reject(promise, reason);
}
for (var i = 0; promise._state === lib$es6$promise$$internal$$PENDING && i < length; i++) {
lib$es6$promise$$internal$$subscribe(Constructor.resolve(entries[i]), undefined, onFulfillment, onRejection);
}
return promise;
}
var lib$es6$promise$promise$race$$default = lib$es6$promise$promise$race$$race;
function lib$es6$promise$promise$resolve$$resolve(object) {
/*jshint validthis:true */
var Constructor = this;
if (object && typeof object === 'object' && object.constructor === Constructor) {
return object;
}
var promise = new Constructor(lib$es6$promise$$internal$$noop);
lib$es6$promise$$internal$$resolve(promise, object);
return promise;
}
var lib$es6$promise$promise$resolve$$default = lib$es6$promise$promise$resolve$$resolve;
function lib$es6$promise$promise$reject$$reject(reason) {
/*jshint validthis:true */
var Constructor = this;
var promise = new Constructor(lib$es6$promise$$internal$$noop);
lib$es6$promise$$internal$$reject(promise, reason);
return promise;
}
var lib$es6$promise$promise$reject$$default = lib$es6$promise$promise$reject$$reject;
var lib$es6$promise$promise$$counter = 0;
function lib$es6$promise$promise$$needsResolver() {
throw new TypeError('You must pass a resolver function as the first argument to the promise constructor');
}
function lib$es6$promise$promise$$needsNew() {
throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.");
}
var lib$es6$promise$promise$$default = lib$es6$promise$promise$$Promise;
/**
Promise objects represent the eventual result of an asynchronous operation. The
primary way of interacting with a promise is through its `then` method, which
registers callbacks to receive either a promise’s eventual value or the reason
why the promise cannot be fulfilled.
Terminology
-----------
- `promise` is an object or function with a `then` method whose behavior conforms to this specification.
- `thenable` is an object or function that defines a `then` method.
- `value` is any legal JavaScript value (including undefined, a thenable, or a promise).
- `exception` is a value that is thrown using the throw statement.
- `reason` is a value that indicates why a promise was rejected.
- `settled` the final resting state of a promise, fulfilled or rejected.
A promise can be in one of three states: pending, fulfilled, or rejected.
Promises that are fulfilled have a fulfillment value and are in the fulfilled
state. Promises that are rejected have a rejection reason and are in the
rejected state. A fulfillment value is never a thenable.
Promises can also be said to *resolve* a value. If this value is also a
promise, then the original promise's settled state will match the value's
settled state. So a promise that *resolves* a promise that rejects will
itself reject, and a promise that *resolves* a promise that fulfills will
itself fulfill.
Basic Usage:
------------
```js
var promise = new Promise(function(resolve, reject) {
// on success
resolve(value);
// on failure
reject(reason);
});
promise.then(function(value) {
// on fulfillment
}, function(reason) {
// on rejection
});
```
Advanced Usage:
---------------
Promises shine when abstracting away asynchronous interactions such as
`XMLHttpRequest`s.
```js
function getJSON(url) {
return new Promise(function(resolve, reject){
var xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.onreadystatechange = handler;
xhr.responseType = 'json';
xhr.setRequestHeader('Accept', 'application/json');
xhr.send();
function handler() {
if (this.readyState === this.DONE) {
if (this.status === 200) {
resolve(this.response);
} else {
reject(new Error('getJSON: `' + url + '` failed with status: [' + this.status + ']'));
}
}
};
});
}
getJSON('/posts.json').then(function(json) {
// on fulfillment
}, function(reason) {
// on rejection
});
```
Unlike callbacks, promises are great composable primitives.
```js
Promise.all([
getJSON('/posts'),
getJSON('/comments')
]).then(function(values){
values[0] // => postsJSON
values[1] // => commentsJSON
return values;
});
```
@class Promise
@param {function} resolver
Useful for tooling.
@constructor
*/
function lib$es6$promise$promise$$Promise(resolver) {
this._id = lib$es6$promise$promise$$counter++;
this._state = undefined;
this._result = undefined;
this._subscribers = [];
if (lib$es6$promise$$internal$$noop !== resolver) {
if (!lib$es6$promise$utils$$isFunction(resolver)) {
lib$es6$promise$promise$$needsResolver();
}
if (!(this instanceof lib$es6$promise$promise$$Promise)) {
lib$es6$promise$promise$$needsNew();
}
lib$es6$promise$$internal$$initializePromise(this, resolver);
}
}
lib$es6$promise$promise$$Promise.all = lib$es6$promise$promise$all$$default;
lib$es6$promise$promise$$Promise.race = lib$es6$promise$promise$race$$default;
lib$es6$promise$promise$$Promise.resolve = lib$es6$promise$promise$resolve$$default;
lib$es6$promise$promise$$Promise.reject = lib$es6$promise$promise$reject$$default;
lib$es6$promise$promise$$Promise.prototype = {
constructor: lib$es6$promise$promise$$Promise,
/**
The primary way of interacting with a promise is through its `then` method,
which registers callbacks to receive either a promise's eventual value or the
reason why the promise cannot be fulfilled.
```js
findUser().then(function(user){
// user is available
}, function(reason){
// user is unavailable, and you are given the reason why
});
```
Chaining
--------
The return value of `then` is itself a promise. This second, 'downstream'
promise is resolved with the return value of the first promise's fulfillment
or rejection handler, or rejected if the handler throws an exception.
```js
findUser().then(function (user) {
return user.name;
}, function (reason) {
return 'default name';
}).then(function (userName) {
// If `findUser` fulfilled, `userName` will be the user's name, otherwise it
// will be `'default name'`
});
findUser().then(function (user) {
throw new Error('Found user, but still unhappy');
}, function (reason) {
throw new Error('`findUser` rejected and we're unhappy');
}).then(function (value) {
// never reached
}, function (reason) {
// if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'.
// If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'.
});
```
If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream.
```js
findUser().then(function (user) {
throw new PedagogicalException('Upstream error');
}).then(function (value) {
// never reached
}).then(function (value) {
// never reached
}, function (reason) {
// The `PedgagocialException` is propagated all the way down to here
});
```
Assimilation
------------
Sometimes the value you want to propagate to a downstream promise can only be
retrieved asynchronously. This can be achieved by returning a promise in the
fulfillment or rejection handler. The downstream promise will then be pending
until the returned promise is settled. This is called *assimilation*.
```js
findUser().then(function (user) {
return findCommentsByAuthor(user);
}).then(function (comments) {
// The user's comments are now available
});
```
If the assimliated promise rejects, then the downstream promise will also reject.
```js
findUser().then(function (user) {
return findCommentsByAuthor(user);
}).then(function (comments) {
// If `findCommentsByAuthor` fulfills, we'll have the value here
}, function (reason) {
// If `findCommentsByAuthor` rejects, we'll have the reason here
});
```
Simple Example
--------------
Synchronous Example
```javascript
var result;
try {
result = findResult();
// success
} catch(reason) {
// failure
}
```
Errback Example
```js
findResult(function(result, err){
if (err) {
// failure
} else {
// success
}
});
```
Promise Example;
```javascript
findResult().then(function(result){
// success
}, function(reason){
// failure
});
```
Advanced Example
--------------
Synchronous Example
```javascript
var author, books;
try {
author = findAuthor();
books = findBooksByAuthor(author);
// success
} catch(reason) {
// failure
}
```
Errback Example
```js
function foundBooks(books) {
}
function failure(reason) {
}
findAuthor(function(author, err){
if (err) {
failure(err);
// failure
} else {
try {
findBoooksByAuthor(author, function(books, err) {
if (err) {
failure(err);
} else {
try {
foundBooks(books);
} catch(reason) {
failure(reason);
}
}
});
} catch(error) {
failure(err);
}
// success
}
});
```
Promise Example;
```javascript
findAuthor().
then(findBooksByAuthor).
then(function(books){
// found books
}).catch(function(reason){
// something went wrong
});
```
@method then
@param {Function} onFulfilled
@param {Function} onRejected
Useful for tooling.
@return {Promise}
*/
then: function(onFulfillment, onRejection) {
var parent = this;
var state = parent._state;
if (state === lib$es6$promise$$internal$$FULFILLED && !onFulfillment || state === lib$es6$promise$$internal$$REJECTED && !onRejection) {
return this;
}
var child = new this.constructor(lib$es6$promise$$internal$$noop);
var result = parent._result;
if (state) {
var callback = arguments[state - 1];
lib$es6$promise$asap$$default(function(){
lib$es6$promise$$internal$$invokeCallback(state, child, callback, result);
});
} else {
lib$es6$promise$$internal$$subscribe(parent, child, onFulfillment, onRejection);
}
return child;
},
/**
`catch` is simply sugar for `then(undefined, onRejection)` which makes it the same
as the catch block of a try/catch statement.
```js
function findAuthor(){
throw new Error('couldn't find that author');
}
// synchronous
try {
findAuthor();
} catch(reason) {
// something went wrong
}
// async with promises
findAuthor().catch(function(reason){
// something went wrong
});
```
@method catch
@param {Function} onRejection
Useful for tooling.
@return {Promise}
*/
'catch': function(onRejection) {
return this.then(null, onRejection);
}
};
function lib$es6$promise$polyfill$$polyfill() {
var local;
if (typeof global !== 'undefined') {
local = global;
} else if (typeof self !== 'undefined') {
local = self;
} else {
try {
local = Function('return this')();
} catch (e) {
throw new Error('polyfill failed because global object is unavailable in this environment');
}
}
var P = local.Promise;
if (P && Object.prototype.toString.call(P.resolve()) === '[object Promise]' && !P.cast) {
return;
}
local.Promise = lib$es6$promise$promise$$default;
}
var lib$es6$promise$polyfill$$default = lib$es6$promise$polyfill$$polyfill;
var lib$es6$promise$umd$$ES6Promise = {
'Promise': lib$es6$promise$promise$$default,
'polyfill': lib$es6$promise$polyfill$$default
};
/* global define:true module:true window: true */
if ("function" === 'function' && __webpack_require__(8)['amd']) {
!(__WEBPACK_AMD_DEFINE_RESULT__ = function() { return lib$es6$promise$umd$$ES6Promise; }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
} else if (typeof module !== 'undefined' && module['exports']) {
module['exports'] = lib$es6$promise$umd$$ES6Promise;
} else if (typeof this !== 'undefined') {
this['ES6Promise'] = lib$es6$promise$umd$$ES6Promise;
}
lib$es6$promise$polyfill$$default();
}).call(this);
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(4), __webpack_require__(5).setImmediate, (function() { return this; }()), __webpack_require__(6)(module)))
/***/ },
/* 4 */
/***/ function(module, exports) {
// shim for using process in browser
var process = module.exports = {};
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = setTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
currentQueue[queueIndex].run();
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
clearTimeout(timeout);
}
process.nextTick = function (fun) {
var args = new Array(argumen