ionic-angular
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A powerful framework for building mobile and progressive web apps with JavaScript and Angular 2
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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.ionicBundle = global.ionicBundle || {})));
}(this, (function (exports) { 'use strict';
var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var root = createCommonjsModule(function (module, exports) {
"use strict";
/**
* window: browser in DOM main thread
* self: browser in WebWorker
* global: Node.js/other
*/
exports.root = (typeof window == 'object' && window.window === window && window
|| typeof self == 'object' && self.self === self && self
|| typeof commonjsGlobal == 'object' && commonjsGlobal.global === commonjsGlobal && commonjsGlobal);
if (!exports.root) {
throw new Error('RxJS could not find any global context (window, self, global)');
}
});
function isFunction(x) {
return typeof x === 'function';
}
var isFunction_2 = isFunction;
var isFunction_1 = {
isFunction: isFunction_2
};
var isArray_1 = Array.isArray || (function (x) { return x && typeof x.length === 'number'; });
var isArray = {
isArray: isArray_1
};
function isObject(x) {
return x != null && typeof x === 'object';
}
var isObject_2 = isObject;
var isObject_1 = {
isObject: isObject_2
};
// typeof any so that it we don't have to cast when comparing a result to the error object
var errorObject_1 = { e: {} };
var errorObject = {
errorObject: errorObject_1
};
var tryCatchTarget;
function tryCatcher() {
try {
return tryCatchTarget.apply(this, arguments);
}
catch (e) {
errorObject.errorObject.e = e;
return errorObject.errorObject;
}
}
function tryCatch(fn) {
tryCatchTarget = fn;
return tryCatcher;
}
var tryCatch_2 = tryCatch;
var tryCatch_1 = {
tryCatch: tryCatch_2
};
var __extends$3 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* An error thrown when one or more errors have occurred during the
* `unsubscribe` of a {@link Subscription}.
*/
var UnsubscriptionError = (function (_super) {
__extends$3(UnsubscriptionError, _super);
function UnsubscriptionError(errors) {
_super.call(this);
this.errors = errors;
var err = Error.call(this, errors ?
errors.length + " errors occurred during unsubscription:\n " + errors.map(function (err, i) { return ((i + 1) + ") " + err.toString()); }).join('\n ') : '');
this.name = err.name = 'UnsubscriptionError';
this.stack = err.stack;
this.message = err.message;
}
return UnsubscriptionError;
}(Error));
var UnsubscriptionError_2 = UnsubscriptionError;
var UnsubscriptionError_1 = {
UnsubscriptionError: UnsubscriptionError_2
};
/**
* Represents a disposable resource, such as the execution of an Observable. A
* Subscription has one important method, `unsubscribe`, that takes no argument
* and just disposes the resource held by the subscription.
*
* Additionally, subscriptions may be grouped together through the `add()`
* method, which will attach a child Subscription to the current Subscription.
* When a Subscription is unsubscribed, all its children (and its grandchildren)
* will be unsubscribed as well.
*
* @class Subscription
*/
var Subscription = (function () {
/**
* @param {function(): void} [unsubscribe] A function describing how to
* perform the disposal of resources when the `unsubscribe` method is called.
*/
function Subscription(unsubscribe) {
/**
* A flag to indicate whether this Subscription has already been unsubscribed.
* @type {boolean}
*/
this.closed = false;
this._parent = null;
this._parents = null;
this._subscriptions = null;
if (unsubscribe) {
this._unsubscribe = unsubscribe;
}
}
/**
* Disposes the resources held by the subscription. May, for instance, cancel
* an ongoing Observable execution or cancel any other type of work that
* started when the Subscription was created.
* @return {void}
*/
Subscription.prototype.unsubscribe = function () {
var hasErrors = false;
var errors;
if (this.closed) {
return;
}
var _a = this, _parent = _a._parent, _parents = _a._parents, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions;
this.closed = true;
this._parent = null;
this._parents = null;
// null out _subscriptions first so any child subscriptions that attempt
// to remove themselves from this subscription will noop
this._subscriptions = null;
var index = -1;
var len = _parents ? _parents.length : 0;
// if this._parent is null, then so is this._parents, and we
// don't have to remove ourselves from any parent subscriptions.
while (_parent) {
_parent.remove(this);
// if this._parents is null or index >= len,
// then _parent is set to null, and the loop exits
_parent = ++index < len && _parents[index] || null;
}
if (isFunction_1.isFunction(_unsubscribe)) {
var trial = tryCatch_1.tryCatch(_unsubscribe).call(this);
if (trial === errorObject.errorObject) {
hasErrors = true;
errors = errors || (errorObject.errorObject.e instanceof UnsubscriptionError_1.UnsubscriptionError ?
flattenUnsubscriptionErrors(errorObject.errorObject.e.errors) : [errorObject.errorObject.e]);
}
}
if (isArray.isArray(_subscriptions)) {
index = -1;
len = _subscriptions.length;
while (++index < len) {
var sub = _subscriptions[index];
if (isObject_1.isObject(sub)) {
var trial = tryCatch_1.tryCatch(sub.unsubscribe).call(sub);
if (trial === errorObject.errorObject) {
hasErrors = true;
errors = errors || [];
var err = errorObject.errorObject.e;
if (err instanceof UnsubscriptionError_1.UnsubscriptionError) {
errors = errors.concat(flattenUnsubscriptionErrors(err.errors));
}
else {
errors.push(err);
}
}
}
}
}
if (hasErrors) {
throw new UnsubscriptionError_1.UnsubscriptionError(errors);
}
};
/**
* Adds a tear down to be called during the unsubscribe() of this
* Subscription.
*
* If the tear down being added is a subscription that is already
* unsubscribed, is the same reference `add` is being called on, or is
* `Subscription.EMPTY`, it will not be added.
*
* If this subscription is already in an `closed` state, the passed
* tear down logic will be executed immediately.
*
* @param {TeardownLogic} teardown The additional logic to execute on
* teardown.
* @return {Subscription} Returns the Subscription used or created to be
* added to the inner subscriptions list. This Subscription can be used with
* `remove()` to remove the passed teardown logic from the inner subscriptions
* list.
*/
Subscription.prototype.add = function (teardown) {
if (!teardown || (teardown === Subscription.EMPTY)) {
return Subscription.EMPTY;
}
if (teardown === this) {
return this;
}
var subscription = teardown;
switch (typeof teardown) {
case 'function':
subscription = new Subscription(teardown);
case 'object':
if (subscription.closed || typeof subscription.unsubscribe !== 'function') {
return subscription;
}
else if (this.closed) {
subscription.unsubscribe();
return subscription;
}
else if (typeof subscription._addParent !== 'function' /* quack quack */) {
var tmp = subscription;
subscription = new Subscription();
subscription._subscriptions = [tmp];
}
break;
default:
throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');
}
var subscriptions = this._subscriptions || (this._subscriptions = []);
subscriptions.push(subscription);
subscription._addParent(this);
return subscription;
};
/**
* Removes a Subscription from the internal list of subscriptions that will
* unsubscribe during the unsubscribe process of this Subscription.
* @param {Subscription} subscription The subscription to remove.
* @return {void}
*/
Subscription.prototype.remove = function (subscription) {
var subscriptions = this._subscriptions;
if (subscriptions) {
var subscriptionIndex = subscriptions.indexOf(subscription);
if (subscriptionIndex !== -1) {
subscriptions.splice(subscriptionIndex, 1);
}
}
};
Subscription.prototype._addParent = function (parent) {
var _a = this, _parent = _a._parent, _parents = _a._parents;
if (!_parent || _parent === parent) {
// If we don't have a parent, or the new parent is the same as the
// current parent, then set this._parent to the new parent.
this._parent = parent;
}
else if (!_parents) {
// If there's already one parent, but not multiple, allocate an Array to
// store the rest of the parent Subscriptions.
this._parents = [parent];
}
else if (_parents.indexOf(parent) === -1) {
// Only add the new parent to the _parents list if it's not already there.
_parents.push(parent);
}
};
Subscription.EMPTY = (function (empty) {
empty.closed = true;
return empty;
}(new Subscription()));
return Subscription;
}());
var Subscription_2 = Subscription;
function flattenUnsubscriptionErrors(errors) {
return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError_1.UnsubscriptionError) ? err.errors : err); }, []);
}
var Subscription_1 = {
Subscription: Subscription_2
};
var empty = {
closed: true,
next: function (value) { },
error: function (err) { throw err; },
complete: function () { }
};
var Observer = {
empty: empty
};
var Symbol = root.root.Symbol;
var $$rxSubscriber = (typeof Symbol === 'function' && typeof Symbol.for === 'function') ?
Symbol.for('rxSubscriber') : '@@rxSubscriber';
var rxSubscriber = {
$$rxSubscriber: $$rxSubscriber
};
var __extends$2 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* Implements the {@link Observer} interface and extends the
* {@link Subscription} class. While the {@link Observer} is the public API for
* consuming the values of an {@link Observable}, all Observers get converted to
* a Subscriber, in order to provide Subscription-like capabilities such as
* `unsubscribe`. Subscriber is a common type in RxJS, and crucial for
* implementing operators, but it is rarely used as a public API.
*
* @class Subscriber<T>
*/
var Subscriber = (function (_super) {
__extends$2(Subscriber, _super);
/**
* @param {Observer|function(value: T): void} [destinationOrNext] A partially
* defined Observer or a `next` callback function.
* @param {function(e: ?any): void} [error] The `error` callback of an
* Observer.
* @param {function(): void} [complete] The `complete` callback of an
* Observer.
*/
function Subscriber(destinationOrNext, error, complete) {
_super.call(this);
this.syncErrorValue = null;
this.syncErrorThrown = false;
this.syncErrorThrowable = false;
this.isStopped = false;
switch (arguments.length) {
case 0:
this.destination = Observer.empty;
break;
case 1:
if (!destinationOrNext) {
this.destination = Observer.empty;
break;
}
if (typeof destinationOrNext === 'object') {
if (destinationOrNext instanceof Subscriber) {
this.destination = destinationOrNext;
this.destination.add(this);
}
else {
this.syncErrorThrowable = true;
this.destination = new SafeSubscriber(this, destinationOrNext);
}
break;
}
default:
this.syncErrorThrowable = true;
this.destination = new SafeSubscriber(this, destinationOrNext, error, complete);
break;
}
}
Subscriber.prototype[rxSubscriber.$$rxSubscriber] = function () { return this; };
/**
* A static factory for a Subscriber, given a (potentially partial) definition
* of an Observer.
* @param {function(x: ?T): void} [next] The `next` callback of an Observer.
* @param {function(e: ?any): void} [error] The `error` callback of an
* Observer.
* @param {function(): void} [complete] The `complete` callback of an
* Observer.
* @return {Subscriber<T>} A Subscriber wrapping the (partially defined)
* Observer represented by the given arguments.
*/
Subscriber.create = function (next, error, complete) {
var subscriber = new Subscriber(next, error, complete);
subscriber.syncErrorThrowable = false;
return subscriber;
};
/**
* The {@link Observer} callback to receive notifications of type `next` from
* the Observable, with a value. The Observable may call this method 0 or more
* times.
* @param {T} [value] The `next` value.
* @return {void}
*/
Subscriber.prototype.next = function (value) {
if (!this.isStopped) {
this._next(value);
}
};
/**
* The {@link Observer} callback to receive notifications of type `error` from
* the Observable, with an attached {@link Error}. Notifies the Observer that
* the Observable has experienced an error condition.
* @param {any} [err] The `error` exception.
* @return {void}
*/
Subscriber.prototype.error = function (err) {
if (!this.isStopped) {
this.isStopped = true;
this._error(err);
}
};
/**
* The {@link Observer} callback to receive a valueless notification of type
* `complete` from the Observable. Notifies the Observer that the Observable
* has finished sending push-based notifications.
* @return {void}
*/
Subscriber.prototype.complete = function () {
if (!this.isStopped) {
this.isStopped = true;
this._complete();
}
};
Subscriber.prototype.unsubscribe = function () {
if (this.closed) {
return;
}
this.isStopped = true;
_super.prototype.unsubscribe.call(this);
};
Subscriber.prototype._next = function (value) {
this.destination.next(value);
};
Subscriber.prototype._error = function (err) {
this.destination.error(err);
this.unsubscribe();
};
Subscriber.prototype._complete = function () {
this.destination.complete();
this.unsubscribe();
};
Subscriber.prototype._unsubscribeAndRecycle = function () {
var _a = this, _parent = _a._parent, _parents = _a._parents;
this._parent = null;
this._parents = null;
this.unsubscribe();
this.closed = false;
this.isStopped = false;
this._parent = _parent;
this._parents = _parents;
return this;
};
return Subscriber;
}(Subscription_1.Subscription));
var Subscriber_2 = Subscriber;
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var SafeSubscriber = (function (_super) {
__extends$2(SafeSubscriber, _super);
function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) {
_super.call(this);
this._parentSubscriber = _parentSubscriber;
var next;
var context = this;
if (isFunction_1.isFunction(observerOrNext)) {
next = observerOrNext;
}
else if (observerOrNext) {
context = observerOrNext;
next = observerOrNext.next;
error = observerOrNext.error;
complete = observerOrNext.complete;
if (isFunction_1.isFunction(context.unsubscribe)) {
this.add(context.unsubscribe.bind(context));
}
context.unsubscribe = this.unsubscribe.bind(this);
}
this._context = context;
this._next = next;
this._error = error;
this._complete = complete;
}
SafeSubscriber.prototype.next = function (value) {
if (!this.isStopped && this._next) {
var _parentSubscriber = this._parentSubscriber;
if (!_parentSubscriber.syncErrorThrowable) {
this.__tryOrUnsub(this._next, value);
}
else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {
this.unsubscribe();
}
}
};
SafeSubscriber.prototype.error = function (err) {
if (!this.isStopped) {
var _parentSubscriber = this._parentSubscriber;
if (this._error) {
if (!_parentSubscriber.syncErrorThrowable) {
this.__tryOrUnsub(this._error, err);
this.unsubscribe();
}
else {
this.__tryOrSetError(_parentSubscriber, this._error, err);
this.unsubscribe();
}
}
else if (!_parentSubscriber.syncErrorThrowable) {
this.unsubscribe();
throw err;
}
else {
_parentSubscriber.syncErrorValue = err;
_parentSubscriber.syncErrorThrown = true;
this.unsubscribe();
}
}
};
SafeSubscriber.prototype.complete = function () {
if (!this.isStopped) {
var _parentSubscriber = this._parentSubscriber;
if (this._complete) {
if (!_parentSubscriber.syncErrorThrowable) {
this.__tryOrUnsub(this._complete);
this.unsubscribe();
}
else {
this.__tryOrSetError(_parentSubscriber, this._complete);
this.unsubscribe();
}
}
else {
this.unsubscribe();
}
}
};
SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) {
try {
fn.call(this._context, value);
}
catch (err) {
this.unsubscribe();
throw err;
}
};
SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) {
try {
fn.call(this._context, value);
}
catch (err) {
parent.syncErrorValue = err;
parent.syncErrorThrown = true;
return true;
}
return false;
};
SafeSubscriber.prototype._unsubscribe = function () {
var _parentSubscriber = this._parentSubscriber;
this._context = null;
this._parentSubscriber = null;
_parentSubscriber.unsubscribe();
};
return SafeSubscriber;
}(Subscriber));
var Subscriber_1 = {
Subscriber: Subscriber_2
};
function toSubscriber(nextOrObserver, error, complete) {
if (nextOrObserver) {
if (nextOrObserver instanceof Subscriber_1.Subscriber) {
return nextOrObserver;
}
if (nextOrObserver[rxSubscriber.$$rxSubscriber]) {
return nextOrObserver[rxSubscriber.$$rxSubscriber]();
}
}
if (!nextOrObserver && !error && !complete) {
return new Subscriber_1.Subscriber(Observer.empty);
}
return new Subscriber_1.Subscriber(nextOrObserver, error, complete);
}
var toSubscriber_2 = toSubscriber;
var toSubscriber_1 = {
toSubscriber: toSubscriber_2
};
function getSymbolObservable(context) {
var $$observable;
var Symbol = context.Symbol;
if (typeof Symbol === 'function') {
if (Symbol.observable) {
$$observable = Symbol.observable;
}
else {
$$observable = Symbol('observable');
Symbol.observable = $$observable;
}
}
else {
$$observable = '@@observable';
}
return $$observable;
}
var getSymbolObservable_1 = getSymbolObservable;
var $$observable = getSymbolObservable(root.root);
var observable = {
getSymbolObservable: getSymbolObservable_1,
$$observable: $$observable
};
/**
* A representation of any set of values over any amount of time. This the most basic building block
* of RxJS.
*
* @class Observable<T>
*/
var Observable = (function () {
/**
* @constructor
* @param {Function} subscribe the function that is called when the Observable is
* initially subscribed to. This function is given a Subscriber, to which new values
* can be `next`ed, or an `error` method can be called to raise an error, or
* `complete` can be called to notify of a successful completion.
*/
function Observable(subscribe) {
this._isScalar = false;
if (subscribe) {
this._subscribe = subscribe;
}
}
/**
* Creates a new Observable, with this Observable as the source, and the passed
* operator defined as the new observable's operator.
* @method lift
* @param {Operator} operator the operator defining the operation to take on the observable
* @return {Observable} a new observable with the Operator applied
*/
Observable.prototype.lift = function (operator) {
var observable$$1 = new Observable();
observable$$1.source = this;
observable$$1.operator = operator;
return observable$$1;
};
Observable.prototype.subscribe = function (observerOrNext, error, complete) {
var operator = this.operator;
var sink = toSubscriber_1.toSubscriber(observerOrNext, error, complete);
if (operator) {
operator.call(sink, this.source);
}
else {
sink.add(this._trySubscribe(sink));
}
if (sink.syncErrorThrowable) {
sink.syncErrorThrowable = false;
if (sink.syncErrorThrown) {
throw sink.syncErrorValue;
}
}
return sink;
};
Observable.prototype._trySubscribe = function (sink) {
try {
return this._subscribe(sink);
}
catch (err) {
sink.syncErrorThrown = true;
sink.syncErrorValue = err;
sink.error(err);
}
};
/**
* @method forEach
* @param {Function} next a handler for each value emitted by the observable
* @param {PromiseConstructor} [PromiseCtor] a constructor function used to instantiate the Promise
* @return {Promise} a promise that either resolves on observable completion or
* rejects with the handled error
*/
Observable.prototype.forEach = function (next, PromiseCtor) {
var _this = this;
if (!PromiseCtor) {
if (root.root.Rx && root.root.Rx.config && root.root.Rx.config.Promise) {
PromiseCtor = root.root.Rx.config.Promise;
}
else if (root.root.Promise) {
PromiseCtor = root.root.Promise;
}
}
if (!PromiseCtor) {
throw new Error('no Promise impl found');
}
return new PromiseCtor(function (resolve, reject) {
var subscription = _this.subscribe(function (value) {
if (subscription) {
// if there is a subscription, then we can surmise
// the next handling is asynchronous. Any errors thrown
// need to be rejected explicitly and unsubscribe must be
// called manually
try {
next(value);
}
catch (err) {
reject(err);
subscription.unsubscribe();
}
}
else {
// if there is NO subscription, then we're getting a nexted
// value synchronously during subscription. We can just call it.
// If it errors, Observable's `subscribe` will ensure the
// unsubscription logic is called, then synchronously rethrow the error.
// After that, Promise will trap the error and send it
// down the rejection path.
next(value);
}
}, reject, resolve);
});
};
Observable.prototype._subscribe = function (subscriber) {
return this.source.subscribe(subscriber);
};
/**
* An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable
* @method Symbol.observable
* @return {Observable} this instance of the observable
*/
Observable.prototype[observable.$$observable] = function () {
return this;
};
// HACK: Since TypeScript inherits static properties too, we have to
// fight against TypeScript here so Subject can have a different static create signature
/**
* Creates a new cold Observable by calling the Observable constructor
* @static true
* @owner Observable
* @method create
* @param {Function} subscribe? the subscriber function to be passed to the Observable constructor
* @return {Observable} a new cold observable
*/
Observable.create = function (subscribe) {
return new Observable(subscribe);
};
return Observable;
}());
var Observable_2 = Observable;
var Observable_1 = {
Observable: Observable_2
};
var __extends$5 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* We need this JSDoc comment for affecting ESDoc.
* @extends {Ignored}
* @hide true
*/
var ScalarObservable = (function (_super) {
__extends$5(ScalarObservable, _super);
function ScalarObservable(value, scheduler) {
_super.call(this);
this.value = value;
this.scheduler = scheduler;
this._isScalar = true;
if (scheduler) {
this._isScalar = false;
}
}
ScalarObservable.create = function (value, scheduler) {
return new ScalarObservable(value, scheduler);
};
ScalarObservable.dispatch = function (state) {
var done = state.done, value = state.value, subscriber = state.subscriber;
if (done) {
subscriber.complete();
return;
}
subscriber.next(value);
if (subscriber.closed) {
return;
}
state.done = true;
this.schedule(state);
};
ScalarObservable.prototype._subscribe = function (subscriber) {
var value = this.value;
var scheduler = this.scheduler;
if (scheduler) {
return scheduler.schedule(ScalarObservable.dispatch, 0, {
done: false, value: value, subscriber: subscriber
});
}
else {
subscriber.next(value);
if (!subscriber.closed) {
subscriber.complete();
}
}
};
return ScalarObservable;
}(Observable_1.Observable));
var ScalarObservable_2 = ScalarObservable;
var ScalarObservable_1 = {
ScalarObservable: ScalarObservable_2
};
var __extends$6 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* We need this JSDoc comment for affecting ESDoc.
* @extends {Ignored}
* @hide true
*/
var EmptyObservable = (function (_super) {
__extends$6(EmptyObservable, _super);
function EmptyObservable(scheduler) {
_super.call(this);
this.scheduler = scheduler;
}
/**
* Creates an Observable that emits no items to the Observer and immediately
* emits a complete notification.
*
* <span class="informal">Just emits 'complete', and nothing else.
* </span>
*
* <img src="./img/empty.png" width="100%">
*
* This static operator is useful for creating a simple Observable that only
* emits the complete notification. It can be used for composing with other
* Observables, such as in a {@link mergeMap}.
*
* @example <caption>Emit the number 7, then complete.</caption>
* var result = Rx.Observable.empty().startWith(7);
* result.subscribe(x => console.log(x));
*
* @example <caption>Map and flatten only odd numbers to the sequence 'a', 'b', 'c'</caption>
* var interval = Rx.Observable.interval(1000);
* var result = interval.mergeMap(x =>
* x % 2 === 1 ? Rx.Observable.of('a', 'b', 'c') : Rx.Observable.empty()
* );
* result.subscribe(x => console.log(x));
*
* // Results in the following to the console:
* // x is equal to the count on the interval eg(0,1,2,3,...)
* // x will occur every 1000ms
* // if x % 2 is equal to 1 print abc
* // if x % 2 is not equal to 1 nothing will be output
*
* @see {@link create}
* @see {@link never}
* @see {@link of}
* @see {@link throw}
*
* @param {Scheduler} [scheduler] A {@link IScheduler} to use for scheduling
* the emission of the complete notification.
* @return {Observable} An "empty" Observable: emits only the complete
* notification.
* @static true
* @name empty
* @owner Observable
*/
EmptyObservable.create = function (scheduler) {
return new EmptyObservable(scheduler);
};
EmptyObservable.dispatch = function (arg) {
var subscriber = arg.subscriber;
subscriber.complete();
};
EmptyObservable.prototype._subscribe = function (subscriber) {
var scheduler = this.scheduler;
if (scheduler) {
return scheduler.schedule(EmptyObservable.dispatch, 0, { subscriber: subscriber });
}
else {
subscriber.complete();
}
};
return EmptyObservable;
}(Observable_1.Observable));
var EmptyObservable_2 = EmptyObservable;
var EmptyObservable_1 = {
EmptyObservable: EmptyObservable_2
};
function isScheduler(value) {
return value && typeof value.schedule === 'function';
}
var isScheduler_2 = isScheduler;
var isScheduler_1 = {
isScheduler: isScheduler_2
};
var __extends$4 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* We need this JSDoc comment for affecting ESDoc.
* @extends {Ignored}
* @hide true
*/
var ArrayObservable = (function (_super) {
__extends$4(ArrayObservable, _super);
function ArrayObservable(array, scheduler) {
_super.call(this);
this.array = array;
this.scheduler = scheduler;
if (!scheduler && array.length === 1) {
this._isScalar = true;
this.value = array[0];
}
}
ArrayObservable.create = function (array, scheduler) {
return new ArrayObservable(array, scheduler);
};
/**
* Creates an Observable that emits some values you specify as arguments,
* immediately one after the other, and then emits a complete notification.
*
* <span class="informal">Emits the arguments you provide, then completes.
* </span>
*
* <img src="./img/of.png" width="100%">
*
* This static operator is useful for creating a simple Observable that only
* emits the arguments given, and the complete notification thereafter. It can
* be used for composing with other Observables, such as with {@link concat}.
* By default, it uses a `null` IScheduler, which means the `next`
* notifications are sent synchronously, although with a different IScheduler
* it is possible to determine when those notifications will be delivered.
*
* @example <caption>Emit 10, 20, 30, then 'a', 'b', 'c', then start ticking every second.</caption>
* var numbers = Rx.Observable.of(10, 20, 30);
* var letters = Rx.Observable.of('a', 'b', 'c');
* var interval = Rx.Observable.interval(1000);
* var result = numbers.concat(letters).concat(interval);
* result.subscribe(x => console.log(x));
*
* @see {@link create}
* @see {@link empty}
* @see {@link never}
* @see {@link throw}
*
* @param {...T} values Arguments that represent `next` values to be emitted.
* @param {Scheduler} [scheduler] A {@link IScheduler} to use for scheduling
* the emissions of the `next` notifications.
* @return {Observable<T>} An Observable that emits each given input value.
* @static true
* @name of
* @owner Observable
*/
ArrayObservable.of = function () {
var array = [];
for (var _i = 0; _i < arguments.length; _i++) {
array[_i - 0] = arguments[_i];
}
var scheduler = array[array.length - 1];
if (isScheduler_1.isScheduler(scheduler)) {
array.pop();
}
else {
scheduler = null;
}
var len = array.length;
if (len > 1) {
return new ArrayObservable(array, scheduler);
}
else if (len === 1) {
return new ScalarObservable_1.ScalarObservable(array[0], scheduler);
}
else {
return new EmptyObservable_1.EmptyObservable(scheduler);
}
};
ArrayObservable.dispatch = function (state) {
var array = state.array, index = state.index, count = state.count, subscriber = state.subscriber;
if (index >= count) {
subscriber.complete();
return;
}
subscriber.next(array[index]);
if (subscriber.closed) {
return;
}
state.index = index + 1;
this.schedule(state);
};
ArrayObservable.prototype._subscribe = function (subscriber) {
var index = 0;
var array = this.array;
var count = array.length;
var scheduler = this.scheduler;
if (scheduler) {
return scheduler.schedule(ArrayObservable.dispatch, 0, {
array: array, index: index, count: count, subscriber: subscriber
});
}
else {
for (var i = 0; i < count && !subscriber.closed; i++) {
subscriber.next(array[i]);
}
subscriber.complete();
}
};
return ArrayObservable;
}(Observable_1.Observable));
var ArrayObservable_2 = ArrayObservable;
var ArrayObservable_1 = {
ArrayObservable: ArrayObservable_2
};
var __extends$8 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var OuterSubscriber = (function (_super) {
__extends$8(OuterSubscriber, _super);
function OuterSubscriber() {
_super.apply(this, arguments);
}
OuterSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
this.destination.next(innerValue);
};
OuterSubscriber.prototype.notifyError = function (error, innerSub) {
this.destination.error(error);
};
OuterSubscriber.prototype.notifyComplete = function (innerSub) {
this.destination.complete();
};
return OuterSubscriber;
}(Subscriber_1.Subscriber));
var OuterSubscriber_2 = OuterSubscriber;
var OuterSubscriber_1 = {
OuterSubscriber: OuterSubscriber_2
};
function isPromise$1(value) {
return value && typeof value.subscribe !== 'function' && typeof value.then === 'function';
}
var isPromise_2 = isPromise$1;
var isPromise_1 = {
isPromise: isPromise_2
};
function symbolIteratorPonyfill(root$$1) {
var Symbol = root$$1.Symbol;
if (typeof Symbol === 'function') {
if (!Symbol.iterator) {
Symbol.iterator = Symbol('iterator polyfill');
}
return Symbol.iterator;
}
else {
// [for Mozilla Gecko 27-35:](https://mzl.la/2ewE1zC)
var Set_1 = root$$1.Set;
if (Set_1 && typeof new Set_1()['@@iterator'] === 'function') {
return '@@iterator';
}
var Map_1 = root$$1.Map;
// required for compatability with es6-shim
if (Map_1) {
var keys = Object.getOwnPropertyNames(Map_1.prototype);
for (var i = 0; i < keys.length; ++i) {
var key = keys[i];
// according to spec, Map.prototype[@@iterator] and Map.orototype.entries must be equal.
if (key !== 'entries' && key !== 'size' && Map_1.prototype[key] === Map_1.prototype['entries']) {
return key;
}
}
}
return '@@iterator';
}
}
var symbolIteratorPonyfill_1 = symbolIteratorPonyfill;
var $$iterator = symbolIteratorPonyfill(root.root);
var iterator = {
symbolIteratorPonyfill: symbolIteratorPonyfill_1,
$$iterator: $$iterator
};
var __extends$9 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var InnerSubscriber = (function (_super) {
__extends$9(InnerSubscriber, _super);
function InnerSubscriber(parent, outerValue, outerIndex) {
_super.call(this);
this.parent = parent;
this.outerValue = outerValue;
this.outerIndex = outerIndex;
this.index = 0;
}
InnerSubscriber.prototype._next = function (value) {
this.parent.notifyNext(this.outerValue, value, this.outerIndex, this.index++, this);
};
InnerSubscriber.prototype._error = function (error) {
this.parent.notifyError(error, this);
this.unsubscribe();
};
InnerSubscriber.prototype._complete = function () {
this.parent.notifyComplete(this);
this.unsubscribe();
};
return InnerSubscriber;
}(Subscriber_1.Subscriber));
var InnerSubscriber_2 = InnerSubscriber;
var InnerSubscriber_1 = {
InnerSubscriber: InnerSubscriber_2
};
function subscribeToResult(outerSubscriber, result, outerValue, outerIndex) {
var destination = new InnerSubscriber_1.InnerSubscriber(outerSubscriber, outerValue, outerIndex);
if (destination.closed) {
return null;
}
if (result instanceof Observable_1.Observable) {
if (result._isScalar) {
destination.next(result.value);
destination.complete();
return null;
}
else {
return result.subscribe(destination);
}
}
else if (isArray.isArray(result)) {
for (var i = 0, len = result.length; i < len && !destination.closed; i++) {
destination.next(result[i]);
}
if (!destination.closed) {
destination.complete();
}
}
else if (isPromise_1.isPromise(result)) {
result.then(function (value) {
if (!destination.closed) {
destination.next(value);
destination.complete();
}
}, function (err) { return destination.error(err); })
.then(null, function (err) {
// Escaping the Promise trap: globally throw unhandled errors
root.root.setTimeout(function () { throw err; });
});
return destination;
}
else if (result && typeof result[iterator.$$iterator] === 'function') {
var iterator$$1 = result[iterator.$$iterator]();
do {
var item = iterator$$1.next();
if (item.done) {
destination.complete();
break;
}
destination.next(item.value);
if (destination.closed) {
break;
}
} while (true);
}
else if (result && typeof result[observable.$$observable] === 'function') {
var obs = result[observable.$$observable]();
if (typeof obs.subscribe !== 'function') {
destination.error(new TypeError('Provided object does not correctly implement Symbol.observable'));
}
else {
return obs.subscribe(new InnerSubscriber_1.InnerSubscriber(outerSubscriber, outerValue, outerIndex));
}
}
else {
var value = isObject_1.isObject(result) ? 'an invalid object' : "'" + result + "'";
var msg = ("You provided " + value + " where a stream was expected.")
+ ' You can provide an Observable, Promise, Array, or Iterable.';
destination.error(new TypeError(msg));
}
return null;
}
var subscribeToResult_2 = subscribeToResult;
var subscribeToResult_1 = {
subscribeToResult: subscribeToResult_2
};
var __extends$7 = (commonjsGlobal && commonjsGlobal.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* Converts a higher-order Observable into a first-order Observable which
* concurrently delivers all values that are emitted on the inner Observables.
*
* <span class="informal">Flattens an Observable-of-Observables.</span>
*
* <img src="./img/mergeAll.png" width="100%">
*
* `mergeAll` subscribes to an Observable that emits Observables, also known as
* a higher-order Observable. Each time it observes one of these emitted inner
* Observables, it subscribes to that and delivers all the values from the
* inner Observable on the output Observable. The output Observable only
* completes once all inner Observables have completed. Any error delivered by
* a inner Observable will be immediately emitted on the output Observable.
*
* @example <caption>Spawn a new interval Observable for each click event, and blend their outputs as one Observable</caption>
* var clicks = Rx.Observable.fromEvent(document, 'click');
* var higherOrder = clicks.map((ev) => Rx.Observable.interval(1000));
* var firstOrder = higherOrder.mergeAll();
* firstOrder.subscribe(x => console.log(x));
*
* @example <caption>Count from 0 to 9 every second for each click, but only allow 2 concurrent timers</caption>
* var clicks = Rx.Observable.fromEvent(document, 'click');
* var higherOrder = clicks.map((ev) => Rx.Observable.interval(1000).take(10));
* var firstOrder = higherOrder.mergeAll(2);
* firstOrder.subscribe(x => console.log(x));
*
* @see {@link combineAll}
* @see {@link concatAll}
* @see {@link exhaust}
* @see {@link merge}
* @see {@link mergeMap}
* @see {@link mergeMapTo}
* @see {@link mergeScan}
* @see {@link switch}
* @see {@link zipAll}
*
* @param {number} [concurrent=Number.POSITIVE_INFINITY] Maximum number of inner
* Observables being subscribed to concurrently.
* @return {Observable} An Observable that emits values coming from all the
* inner Observables emitted by the source Observable.
* @method mergeAll
* @owner Observable
*/
function mergeAll(concurrent) {
if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }
return this.lift(new MergeAllOperator(concurrent));
}
var mergeAll_2 = mergeAll;
var MergeAllOperator = (function () {
function MergeAllOperator(concurrent) {
this.concurrent = concurrent;
}
MergeAllOperator.prototype.call = function (observer, source) {
return source.subscribe(new MergeAllSubscriber(observer, this.concurrent));
};
return MergeAllOperator;
}());
var MergeAllOperator_1 = MergeAllOperator;
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var MergeAllSubscriber = (function (_super) {
__extends$7(MergeAllSubscriber, _super);
function MergeAllSubscriber(destination, concurrent) {
_super.call(this, destination);
this.concurrent = concurrent;
this.hasCompleted = false;
this.buffer = [];
this.active = 0;
}
MergeAllSubscriber.prototype._next = function (observable) {
if (this.active < this.concurrent) {
this.active++;
this.add(subscribeToResult_1.subscribeToResult(this, observable));
}
else {
this.buffer.push(observable);
}
};
MergeAllSubscriber.prototype._complete = function () {
this.hasCompleted = true;
if (this.active === 0 && this.buffer.length === 0) {
this.destination.complete();
}
};
MergeAllSubscriber.prototype.notifyComplete = function (innerSub) {
var buffer = this.buffer;
this.remove(innerSub);
this.active--;
if (buffer.length > 0) {
this._next(buffer.shift());
}
else if (this.active === 0 && this.hasCompleted) {
this.destination.complete();
}
};
return MergeAllSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
var MergeAllSubscriber_1 = MergeAllSubscriber;
var mergeAll_1 = {
mergeAll: mergeAll_2,
MergeAllOperator: MergeAllOperator_1,
MergeAllSubscriber: MergeAllSubscriber_1
};
/* tslint:disable:max-line-length */
/**
* Creates an output Observable which concurrently emits all values from every
* given input Observable.
*
* <span class="informal">Flattens multiple Observables together by blending
* their values into one Observable.</span>
*
* <img src="./img/merge.png" width="100%">
*
* `merge` subscribes to each given input Observable (either the source or an
* Observable given as argument), and simply forwards (without doing any
* transformation) all the values from all the input Observables to the output
* Observable. The output Observable only completes once all input Observables
* have completed. Any error delivered by an input Observable will be immediately
* emitted on the output Observable.
*
* @example <caption>Merge together two Observables: 1s interval and clicks</caption>
* var clicks = Rx.Observable.fromEvent(document, 'click');
* var timer = Rx.Observable.interval(1000);
* var clicksOrTimer = clicks.merge(timer);
* clicksOrTimer.subscribe(x => console.log(x));
*
* @example <caption>Merge together 3 Observables, but only 2 run concurrently</caption>
* var timer1 = Rx.Observable.interval(1000).take(10);
* var timer2 = Rx.Observable.interval(2000).take(6);
* var timer3 = Rx.Observable.interval(500).take(10);
* var concurrent = 2; // the argument
* var merged = timer1.merge(timer2, timer3, concurrent);
* merged.subscribe(x => console.log(x));
*
* @see {@link mergeAll}
* @see {@link mergeMap}
* @see {@link mergeMapTo}
* @see {@link mergeScan}
*
* @param {Observable} other An input Observable to merge with the source
* Observable. More than one input Observables may be given as argument.
* @param {number} [concurrent=Number.POSITIVE_INFINITY] Maximum number of input
* Observables being subscribed to concurrently.
* @param {Scheduler} [scheduler=null] The IScheduler to use for managing
* concurrency of input Observables.
* @return {Observable} an Observable that emits items that are the result of
* every input Observable.
* @method merge
* @owner Observable
*/
function merge$2() {
var observables = [];
for (var _i = 0; _i < arguments.length; _i++) {
observables[_i - 0] = arguments[_i];
}
return this.lift.call(mergeStatic.apply(void 0, [this].concat(observables)));
}
var merge_2$1 = merge$2;
/* tslint:enable:max-line-length */
/**
* Creates an output Observable which concurrently emits all values from every
* giv