" )
.attr({
id: id,
role: "tooltip"
})
.addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content " +
( this.options.tooltipClass || "" ) );
$( "
" )
.addClass( "ui-tooltip-content" )
.appendTo( tooltip );
tooltip.appendTo( this.document[0].body );
this.tooltips[ id ] = element;
return tooltip;
},
_find: function( target ) {
var id = target.data( "ui-tooltip-id" );
return id ? $( "#" + id ) : $();
},
_removeTooltip: function( tooltip ) {
tooltip.remove();
delete this.tooltips[ tooltip.attr( "id" ) ];
},
_destroy: function() {
var that = this;
// close open tooltips
$.each( this.tooltips, function( id, element ) {
// Delegate to close method to handle common cleanup
var event = $.Event( "blur" );
event.target = event.currentTarget = element[0];
that.close( event, true );
// Remove immediately; destroying an open tooltip doesn't use the
// hide animation
$( "#" + id ).remove();
// Restore the title
if ( element.data( "ui-tooltip-title" ) ) {
element.attr( "title", element.data( "ui-tooltip-title" ) );
element.removeData( "ui-tooltip-title" );
}
});
}
});
}( jQuery ) );
/***/ }),
/***/ 39:
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(jQuery) {/*** IMPORTS FROM imports-loader ***/
(function() {
(function(window, $) {
'use strict';
// Builds a 4 characters unique id
var uniqId = function(prefix) {
prefix = prefix || '';
return prefix + ("0000" + (Math.random() * Math.pow(36, 4) << 0).toString(36)).substr(-4);
};
// Builds query parameters from a geoname object
var RequestDataBuilder = function(geo, datas) {
this.datas = datas || {};
if (!geo instanceof GeotoCompleter) {
throw 'You must provide an instance of GeotoCompleter';
}
if (geo.getOption('sort')) {
this.datas.sort = geo.getOption('sort');
}
if (geo.getOption('client-ip')) {
this.datas.sortParams = geo.getOption('sortParams');
}
if (geo.getOption('country')) {
this.datas.country = geo.getOption('country');
}
if (geo.getOption('name')) {
this.datas.name = geo.getOption('name');
}
if (geo.getOption('limit')) {
this.datas.limit = geo.getOption('limit');
}
};
RequestDataBuilder.prototype.getRequestDatas = function() {
return this.datas;
};
// Handles request to the remote Geonames Server
var RequestManager = function(server) {
var _request = false;
var _endpoint = server;
this.search = function(resource, datas, errorCallback, parseresults) {
_request = $.ajax({
type: "GET",
dataType: "jsonp",
jsonpCallback: "parseresults",
url: _endpoint + resource,
beforeSend: function() {
if (_request && typeof _request.abort === 'function') {
_request.abort();
}
},
error: errorCallback,
data: datas
})
.done(parseresults)
.always(function() {
_request = false;
});
};
};
var GeotoCompleter = function(el, serverEndpoint, options) {
if (typeof $.ui === 'undefined') {
throw 'jQuery UI must be loaded';
}
if($(el).data('geocompleter')) {
return $(el).data('geocompleter');
}
var _serverEndpoint = serverEndpoint.substr(serverEndpoint.length - 1) === '/' ? serverEndpoint : serverEndpoint + '/';
this._requestManager = new RequestManager(_serverEndpoint);
this.$el = $(el);
this._opts = $.extend({
"name": null,
"sort": null,
"client-ip": null,
"country": null,
"limit": null,
"init-input": true
}, options);
this.$input = null;
this.$el.data('geocompleter', this);
};
GeotoCompleter.prototype.getOption = function(name) {
if (!(name in this._opts)) {
return null;
}
return this._opts[name];
};
GeotoCompleter.prototype.setOption = function(name, value) {
if (!(name in this._opts)) {
return this;
}
this._opts[name] = value;
return this;
};
GeotoCompleter.prototype.getAutocompleter = function() {
return this.$input;
};
GeotoCompleter.prototype.destroy = function() {
if (this.$input) {
this.$input.remove();
this.$el.show();
this.$el.val('');
this.$el.data('geocompleter', null);
}
};
GeotoCompleter.prototype.init = function() {
if (null !== this.$input) {
return;
}
var self = this;
var updateGeonameField = function(value) {
self.$el.val(value);
};
var updateCityField = function(value) {
self.$input.val(value);
};
var resetGeonameField = function() {
self.$el.val('');
};
var resetCityField = function() {
self.$input.val('');
};
var isGeonameFieldSetted = function() {
return self.$el.val() !== '';
};
var highlight = function (s, t) {
var matcher = new RegExp("("+$.ui.autocomplete.escapeRegex(t)+")", "ig" );
return s.replace(matcher, "
$1");
};
// Creates city input
this.$input = $('
')
.attr('name', uniqId(this.$el.attr('name')))
.attr('id', uniqId(this.$el.attr('id')))
.attr('type', 'text')
.attr('class', this.$el.attr('class'))
.addClass("geocompleter-input");
// Prevents form submission when pressing ENTER
this.$input.keypress(function(event) {
var code = (event.keyCode ? event.keyCode : event.which);
if(code === $.ui.keyCode.ENTER ) {
event.preventDefault();
return false;
}
});
// On any keyup except (esc, up, down, enter) fields are desynchronised, reset geonames field
this.$input.keyup(function(event) {
var code = (event.keyCode ? event.keyCode : event.which);
var unBindKeys = [
$.ui.keyCode.ESCAPE,
$.ui.keyCode.UP,
$.ui.keyCode.DOWN,
$.ui.keyCode.LEFT,
$.ui.keyCode.RIGHT,
$.ui.keyCode.ENTER
];
if (-1 === $.inArray(code, unBindKeys)){
resetGeonameField();
}
});
this.$el.hide();
this.$el.after(this.$input);
// Overrides prototype to render values without autoescape, useful to highlight values
$.ui.autocomplete.prototype._renderItem = function( ul, item) {
return $( "
" )
.data( "item.autocomplete", item )
.append( $( "
" ).html( item.label ) )
.appendTo( ul );
};
// Saves response content
var responseContent;
// Builds a jquery autocompleter
this.$input.autocomplete({
create: function(event) {
if(self.$el.val() !== "" && self.getOption("init-input")) {
self._requestManager.search(
"city/" + parseInt(self.$el.val(), 10),
{},
function(jqXhr, status, error) {
return;
}, function (data) {
var country = data.country.name || "";
self.$input.val(data.name + ("" !== country ? "," + country : ""));
}
);
}
},
source: function(request, response) {
var name, country, terms = '';
terms = request.term.split(',');
if (terms.length === 2) {
country = terms.pop();
}
name = terms.pop();
self.setOption('name', $.trim(name));
self.setOption('country', $.trim(country));
var requestDataBuilder = new RequestDataBuilder(self);
self._requestManager.search(
"city",
requestDataBuilder.getRequestDatas(),
function(jqXhr, status, error) {
if (jqXhr.status !== 0 && jqXhr.statusText !== 'abort') {
response([]);
self.$input.trigger('geotocompleter.request.error', [jqXhr, status, error]);
}
}, function(data) {
response($.map(data || [], function(item) {
var country = country ? country : name;
var labelName = highlight(item.name, name);
var labelCountry = highlight((item.country ? item.country.name || '' : ''), country);
var labelRegion = highlight((item.region ? item.region.name || '' : ''), name);
return {
label: labelName + ("" !== labelCountry ? ", " + labelCountry : "") + ("" !== labelRegion ? "
" + labelRegion + "" : ""),
value: item.name + (item.country ? ", " + item.country.name : ''),
geonameid: item.geonameid
};
}));
}
);
},
messages: {
noResults: '',
results: function() {}
},
response: function (event, ui) {
responseContent = [];
if (ui.content) {
responseContent = ui.content;
// Sets geoname id if values are re synchronized
if (ui.content.length > 0) {
var items = $.grep(ui.content, function(item) {
return item.value === self.$input.val() ? item : null;
});
if (items.length > 0) {
updateGeonameField(items[0].geonameid);
}
}
}
},
select: function(event, ui) {
if (ui.item) {
updateGeonameField(ui.item.geonameid);
}
},
focus: function (event, ui) {
var code = (event.keyCode ? event.keyCode : event.which);
// Updates geoname ID only if key up and key down are pressed
if (ui.item && -1 !== $.inArray(code, [$.ui.keyCode.DOWN, $.ui.keyCode.UP])) {
updateGeonameField(ui.item.geonameid);
}
},
close : function (event, ui) {
var ev = event.originalEvent;
if ("undefined" === typeof ev) {
return false;
}
var code = (ev.keyCode ? ev.keyCode : ev.which);
// If esc key is pressed or user leaves the input
if ((ev.type === "keydown" && code === $.ui.keyCode.ESCAPE) || ev.type === "blur") {
if (isGeonameFieldSetted() && responseContent.length > 0) {
var geonameId = self.$el.val();
// Update city input according to the setted geonameId
var responseValues = $.grep(responseContent, function(item) {
return item.geonameid === geonameId ? item : null;
});
if (responseValues.length > 0) {
self.$input.val(responseValues[0].value);
}
return false;
}
// Resets both field as nothing is no more sychronized
resetGeonameField();
resetCityField();
}
}
}).autocomplete("widget").addClass("geocompleter-menu");
var onInit = self.getOption('onInit');
// On Initialization callback
if (onInit !== null && typeof onInit === 'function') {
onInit(this.$el, this.$input);
}
};
var methods = {
init: function(options) {
var settings = $.extend({
server: ''
}, options);
if ('' === settings.server) {
throw '"server" must be set';
}
return this.each(function() {
var geocompleter = new GeotoCompleter(this, settings.server, settings);
geocompleter.init();
});
},
destroy: function() {
return this.each(function() {
var geocompleter = $(this).data('geocompleter');
if (geocompleter) {
geocompleter.destroy();
}
});
},
autocompleter: function() {
var args = arguments;
return this.each(function() {
var geocompleter = $(this).data('geocompleter');
if (args[0] === "on" && typeof args[1] === "string" && typeof args[2] === "function") {
// Bind addition events
geocompleter.getAutocompleter().on(args[1], args[2]);
} else {
$.fn.autocomplete.apply(geocompleter.getAutocompleter(),args);
}
});
}
};
$.fn.geocompleter = function(method) {
if (methods[method]) {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || !method) {
return methods.init.apply(this, arguments);
} else {
$.error('Method ' + method + ' does not exist on jQuery.geocompleter');
}
};
})(window, jQuery);
}.call(window));
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
/***/ }),
/***/ 4:
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(global, module) {/**
* Lodash (Custom Build)
* Build: `lodash modularize exports="npm" -o ./`
* Copyright OpenJS Foundation and other contributors
* Released under MIT license
* Based on Underscore.js 1.8.3
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';
/** Used to detect hot functions by number of calls within a span of milliseconds. */
var HOT_COUNT = 800,
HOT_SPAN = 16;
/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;
/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
arrayTag = '[object Array]',
asyncTag = '[object AsyncFunction]',
boolTag = '[object Boolean]',
dateTag = '[object Date]',
errorTag = '[object Error]',
funcTag = '[object Function]',
genTag = '[object GeneratorFunction]',
mapTag = '[object Map]',
numberTag = '[object Number]',
nullTag = '[object Null]',
objectTag = '[object Object]',
proxyTag = '[object Proxy]',
regexpTag = '[object RegExp]',
setTag = '[object Set]',
stringTag = '[object String]',
undefinedTag = '[object Undefined]',
weakMapTag = '[object WeakMap]';
var arrayBufferTag = '[object ArrayBuffer]',
dataViewTag = '[object DataView]',
float32Tag = '[object Float32Array]',
float64Tag = '[object Float64Array]',
int8Tag = '[object Int8Array]',
int16Tag = '[object Int16Array]',
int32Tag = '[object Int32Array]',
uint8Tag = '[object Uint8Array]',
uint8ClampedTag = '[object Uint8ClampedArray]',
uint16Tag = '[object Uint16Array]',
uint32Tag = '[object Uint32Array]';
/**
* Used to match `RegExp`
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
*/
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;
/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;
/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;
/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();
/** Detect free variable `exports`. */
var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;
/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports && freeGlobal.process;
/** Used to access faster Node.js helpers. */
var nodeUtil = (function() {
try {
// Use `util.types` for Node.js 10+.
var types = freeModule && freeModule.require && freeModule.require('util').types;
if (types) {
return types;
}
// Legacy `process.binding('util')` for Node.js < 10.
return freeProcess && freeProcess.binding && freeProcess.binding('util');
} catch (e) {}
}());
/* Node.js helper references. */
var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
/**
* A faster alternative to `Function#apply`, this function invokes `func`
* with the `this` binding of `thisArg` and the arguments of `args`.
*
* @private
* @param {Function} func The function to invoke.
* @param {*} thisArg The `this` binding of `func`.
* @param {Array} args The arguments to invoke `func` with.
* @returns {*} Returns the result of `func`.
*/
function apply(func, thisArg, args) {
switch (args.length) {
case 0: return func.call(thisArg);
case 1: return func.call(thisArg, args[0]);
case 2: return func.call(thisArg, args[0], args[1]);
case 3: return func.call(thisArg, args[0], args[1], args[2]);
}
return func.apply(thisArg, args);
}
/**
* The base implementation of `_.times` without support for iteratee shorthands
* or max array length checks.
*
* @private
* @param {number} n The number of times to invoke `iteratee`.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the array of results.
*/
function baseTimes(n, iteratee) {
var index = -1,
result = Array(n);
while (++index < n) {
result[index] = iteratee(index);
}
return result;
}
/**
* The base implementation of `_.unary` without support for storing metadata.
*
* @private
* @param {Function} func The function to cap arguments for.
* @returns {Function} Returns the new capped function.
*/
function baseUnary(func) {
return function(value) {
return func(value);
};
}
/**
* Gets the value at `key` of `object`.
*
* @private
* @param {Object} [object] The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function getValue(object, key) {
return object == null ? undefined : object[key];
}
/**
* Creates a unary function that invokes `func` with its argument transformed.
*
* @private
* @param {Function} func The function to wrap.
* @param {Function} transform The argument transform.
* @returns {Function} Returns the new function.
*/
function overArg(func, transform) {
return function(arg) {
return func(transform(arg));
};
}
/** Used for built-in method references. */
var arrayProto = Array.prototype,
funcProto = Function.prototype,
objectProto = Object.prototype;
/** Used to detect overreaching core-js shims. */
var coreJsData = root['__core-js_shared__'];
/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
return uid ? ('Symbol(src)_1.' + uid) : '';
}());
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString = objectProto.toString;
/** Used to infer the `Object` constructor. */
var objectCtorString = funcToString.call(Object);
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/** Built-in value references. */
var Buffer = moduleExports ? root.Buffer : undefined,
Symbol = root.Symbol,
Uint8Array = root.Uint8Array,
allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
getPrototype = overArg(Object.getPrototypeOf, Object),
objectCreate = Object.create,
propertyIsEnumerable = objectProto.propertyIsEnumerable,
splice = arrayProto.splice,
symToStringTag = Symbol ? Symbol.toStringTag : undefined;
var defineProperty = (function() {
try {
var func = getNative(Object, 'defineProperty');
func({}, '', {});
return func;
} catch (e) {}
}());
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
nativeMax = Math.max,
nativeNow = Date.now;
/* Built-in method references that are verified to be native. */
var Map = getNative(root, 'Map'),
nativeCreate = getNative(Object, 'create');
/**
* The base implementation of `_.create` without support for assigning
* properties to the created object.
*
* @private
* @param {Object} proto The object to inherit from.
* @returns {Object} Returns the new object.
*/
var baseCreate = (function() {
function object() {}
return function(proto) {
if (!isObject(proto)) {
return {};
}
if (objectCreate) {
return objectCreate(proto);
}
object.prototype = proto;
var result = new object;
object.prototype = undefined;
return result;
};
}());
/**
* Creates a hash object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Hash(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the hash.
*
* @private
* @name clear
* @memberOf Hash
*/
function hashClear() {
this.__data__ = nativeCreate ? nativeCreate(null) : {};
this.size = 0;
}
/**
* Removes `key` and its value from the hash.
*
* @private
* @name delete
* @memberOf Hash
* @param {Object} hash The hash to modify.
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function hashDelete(key) {
var result = this.has(key) && delete this.__data__[key];
this.size -= result ? 1 : 0;
return result;
}
/**
* Gets the hash value for `key`.
*
* @private
* @name get
* @memberOf Hash
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function hashGet(key) {
var data = this.__data__;
if (nativeCreate) {
var result = data[key];
return result === HASH_UNDEFINED ? undefined : result;
}
return hasOwnProperty.call(data, key) ? data[key] : undefined;
}
/**
* Checks if a hash value for `key` exists.
*
* @private
* @name has
* @memberOf Hash
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function hashHas(key) {
var data = this.__data__;
return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
}
/**
* Sets the hash `key` to `value`.
*
* @private
* @name set
* @memberOf Hash
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the hash instance.
*/
function hashSet(key, value) {
var data = this.__data__;
this.size += this.has(key) ? 0 : 1;
data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
return this;
}
// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;
/**
* Creates an list cache object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function ListCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the list cache.
*
* @private
* @name clear
* @memberOf ListCache
*/
function listCacheClear() {
this.__data__ = [];
this.size = 0;
}
/**
* Removes `key` and its value from the list cache.
*
* @private
* @name delete
* @memberOf ListCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function listCacheDelete(key) {
var data = this.__data__,
index = assocIndexOf(data, key);
if (index < 0) {
return false;
}
var lastIndex = data.length - 1;
if (index == lastIndex) {
data.pop();
} else {
splice.call(data, index, 1);
}
--this.size;
return true;
}
/**
* Gets the list cache value for `key`.
*
* @private
* @name get
* @memberOf ListCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function listCacheGet(key) {
var data = this.__data__,
index = assocIndexOf(data, key);
return index < 0 ? undefined : data[index][1];
}
/**
* Checks if a list cache value for `key` exists.
*
* @private
* @name has
* @memberOf ListCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function listCacheHas(key) {
return assocIndexOf(this.__data__, key) > -1;
}
/**
* Sets the list cache `key` to `value`.
*
* @private
* @name set
* @memberOf ListCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the list cache instance.
*/
function listCacheSet(key, value) {
var data = this.__data__,
index = assocIndexOf(data, key);
if (index < 0) {
++this.size;
data.push([key, value]);
} else {
data[index][1] = value;
}
return this;
}
// Add methods to `ListCache`.
ListCache.prototype.clear = listCacheClear;
ListCache.prototype['delete'] = listCacheDelete;
ListCache.prototype.get = listCacheGet;
ListCache.prototype.has = listCacheHas;
ListCache.prototype.set = listCacheSet;
/**
* Creates a map cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function MapCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the map.
*
* @private
* @name clear
* @memberOf MapCache
*/
function mapCacheClear() {
this.size = 0;
this.__data__ = {
'hash': new Hash,
'map': new (Map || ListCache),
'string': new Hash
};
}
/**
* Removes `key` and its value from the map.
*
* @private
* @name delete
* @memberOf MapCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function mapCacheDelete(key) {
var result = getMapData(this, key)['delete'](key);
this.size -= result ? 1 : 0;
return result;
}
/**
* Gets the map value for `key`.
*
* @private
* @name get
* @memberOf MapCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function mapCacheGet(key) {
return getMapData(this, key).get(key);
}
/**
* Checks if a map value for `key` exists.
*
* @private
* @name has
* @memberOf MapCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function mapCacheHas(key) {
return getMapData(this, key).has(key);
}
/**
* Sets the map `key` to `value`.
*
* @private
* @name set
* @memberOf MapCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the map cache instance.
*/
function mapCacheSet(key, value) {
var data = getMapData(this, key),
size = data.size;
data.set(key, value);
this.size += data.size == size ? 0 : 1;
return this;
}
// Add methods to `MapCache`.
MapCache.prototype.clear = mapCacheClear;
MapCache.prototype['delete'] = mapCacheDelete;
MapCache.prototype.get = mapCacheGet;
MapCache.prototype.has = mapCacheHas;
MapCache.prototype.set = mapCacheSet;
/**
* Creates a stack cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Stack(entries) {
var data = this.__data__ = new ListCache(entries);
this.size = data.size;
}
/**
* Removes all key-value entries from the stack.
*
* @private
* @name clear
* @memberOf Stack
*/
function stackClear() {
this.__data__ = new ListCache;
this.size = 0;
}
/**
* Removes `key` and its value from the stack.
*
* @private
* @name delete
* @memberOf Stack
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function stackDelete(key) {
var data = this.__data__,
result = data['delete'](key);
this.size = data.size;
return result;
}
/**
* Gets the stack value for `key`.
*
* @private
* @name get
* @memberOf Stack
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function stackGet(key) {
return this.__data__.get(key);
}
/**
* Checks if a stack value for `key` exists.
*
* @private
* @name has
* @memberOf Stack
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function stackHas(key) {
return this.__data__.has(key);
}
/**
* Sets the stack `key` to `value`.
*
* @private
* @name set
* @memberOf Stack
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the stack cache instance.
*/
function stackSet(key, value) {
var data = this.__data__;
if (data instanceof ListCache) {
var pairs = data.__data__;
if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
pairs.push([key, value]);
this.size = ++data.size;
return this;
}
data = this.__data__ = new MapCache(pairs);
}
data.set(key, value);
this.size = data.size;
return this;
}
// Add methods to `Stack`.
Stack.prototype.clear = stackClear;
Stack.prototype['delete'] = stackDelete;
Stack.prototype.get = stackGet;
Stack.prototype.has = stackHas;
Stack.prototype.set = stackSet;
/**
* Creates an array of the enumerable property names of the array-like `value`.
*
* @private
* @param {*} value The value to query.
* @param {boolean} inherited Specify returning inherited property names.
* @returns {Array} Returns the array of property names.
*/
function arrayLikeKeys(value, inherited) {
var isArr = isArray(value),
isArg = !isArr && isArguments(value),
isBuff = !isArr && !isArg && isBuffer(value),
isType = !isArr && !isArg && !isBuff && isTypedArray(value),
skipIndexes = isArr || isArg || isBuff || isType,
result = skipIndexes ? baseTimes(value.length, String) : [],
length = result.length;
for (var key in value) {
if ((inherited || hasOwnProperty.call(value, key)) &&
!(skipIndexes && (
// Safari 9 has enumerable `arguments.length` in strict mode.
key == 'length' ||
// Node.js 0.10 has enumerable non-index properties on buffers.
(isBuff && (key == 'offset' || key == 'parent')) ||
// PhantomJS 2 has enumerable non-index properties on typed arrays.
(isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
// Skip index properties.
isIndex(key, length)
))) {
result.push(key);
}
}
return result;
}
/**
* This function is like `assignValue` except that it doesn't assign
* `undefined` values.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignMergeValue(object, key, value) {
if ((value !== undefined && !eq(object[key], value)) ||
(value === undefined && !(key in object))) {
baseAssignValue(object, key, value);
}
}
/**
* Assigns `value` to `key` of `object` if the existing value is not equivalent
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignValue(object, key, value) {
var objValue = object[key];
if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
(value === undefined && !(key in object))) {
baseAssignValue(object, key, value);
}
}
/**
* Gets the index at which the `key` is found in `array` of key-value pairs.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} key The key to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function assocIndexOf(array, key) {
var length = array.length;
while (length--) {
if (eq(array[length][0], key)) {
return length;
}
}
return -1;
}
/**
* The base implementation of `assignValue` and `assignMergeValue` without
* value checks.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function baseAssignValue(object, key, value) {
if (key == '__proto__' && defineProperty) {
defineProperty(object, key, {
'configurable': true,
'enumerable': true,
'value': value,
'writable': true
});
} else {
object[key] = value;
}
}
/**
* The base implementation of `baseForOwn` which iterates over `object`
* properties returned by `keysFunc` and invokes `iteratee` for each property.
* Iteratee functions may exit iteration early by explicitly returning `false`.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {Function} keysFunc The function to get the keys of `object`.
* @returns {Object} Returns `object`.
*/
var baseFor = createBaseFor();
/**
* The base implementation of `getTag` without fallbacks for buggy environments.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
function baseGetTag(value) {
if (value == null) {
return value === undefined ? undefinedTag : nullTag;
}
return (symToStringTag && symToStringTag in Object(value))
? getRawTag(value)
: objectToString(value);
}
/**
* The base implementation of `_.isArguments`.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
*/
function baseIsArguments(value) {
return isObjectLike(value) && baseGetTag(value) == argsTag;
}
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a native function,
* else `false`.
*/
function baseIsNative(value) {
if (!isObject(value) || isMasked(value)) {
return false;
}
var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
return pattern.test(toSource(value));
}
/**
* The base implementation of `_.isTypedArray` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
*/
function baseIsTypedArray(value) {
return isObjectLike(value) &&
isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
}
/**
* The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function baseKeysIn(object) {
if (!isObject(object)) {
return nativeKeysIn(object);
}
var isProto = isPrototype(object),
result = [];
for (var key in object) {
if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
result.push(key);
}
}
return result;
}
/**
* The base implementation of `_.merge` without support for multiple sources.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @param {number} srcIndex The index of `source`.
* @param {Function} [customizer] The function to customize merged values.
* @param {Object} [stack] Tracks traversed source values and their merged
* counterparts.
*/
function baseMerge(object, source, srcIndex, customizer, stack) {
if (object === source) {
return;
}
baseFor(source, function(srcValue, key) {
stack || (stack = new Stack);
if (isObject(srcValue)) {
baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
}
else {
var newValue = customizer
? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
: undefined;
if (newValue === undefined) {
newValue = srcValue;
}
assignMergeValue(object, key, newValue);
}
}, keysIn);
}
/**
* A specialized version of `baseMerge` for arrays and objects which performs
* deep merges and tracks traversed objects enabling objects with circular
* references to be merged.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @param {string} key The key of the value to merge.
* @param {number} srcIndex The index of `source`.
* @param {Function} mergeFunc The function to merge values.
* @param {Function} [customizer] The function to customize assigned values.
* @param {Object} [stack] Tracks traversed source values and their merged
* counterparts.
*/
function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
var objValue = safeGet(object, key),
srcValue = safeGet(source, key),
stacked = stack.get(srcValue);
if (stacked) {
assignMergeValue(object, key, stacked);
return;
}
var newValue = customizer
? customizer(objValue, srcValue, (key + ''), object, source, stack)
: undefined;
var isCommon = newValue === undefined;
if (isCommon) {
var isArr = isArray(srcValue),
isBuff = !isArr && isBuffer(srcValue),
isTyped = !isArr && !isBuff && isTypedArray(srcValue);
newValue = srcValue;
if (isArr || isBuff || isTyped) {
if (isArray(objValue)) {
newValue = objValue;
}
else if (isArrayLikeObject(objValue)) {
newValue = copyArray(objValue);
}
else if (isBuff) {
isCommon = false;
newValue = cloneBuffer(srcValue, true);
}
else if (isTyped) {
isCommon = false;
newValue = cloneTypedArray(srcValue, true);
}
else {
newValue = [];
}
}
else if (isPlainObject(srcValue) || isArguments(srcValue)) {
newValue = objValue;
if (isArguments(objValue)) {
newValue = toPlainObject(objValue);
}
else if (!isObject(objValue) || isFunction(objValue)) {
newValue = initCloneObject(srcValue);
}
}
else {
isCommon = false;
}
}
if (isCommon) {
// Recursively merge objects and arrays (susceptible to call stack limits).
stack.set(srcValue, newValue);
mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
stack['delete'](srcValue);
}
assignMergeValue(object, key, newValue);
}
/**
* The base implementation of `_.rest` which doesn't validate or coerce arguments.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @returns {Function} Returns the new function.
*/
function baseRest(func, start) {
return setToString(overRest(func, start, identity), func + '');
}
/**
* The base implementation of `setToString` without support for hot loop shorting.
*
* @private
* @param {Function} func The function to modify.
* @param {Function} string The `toString` result.
* @returns {Function} Returns `func`.
*/
var baseSetToString = !defineProperty ? identity : function(func, string) {
return defineProperty(func, 'toString', {
'configurable': true,
'enumerable': false,
'value': constant(string),
'writable': true
});
};
/**
* Creates a clone of `buffer`.
*
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
/**
* Creates a clone of `arrayBuffer`.
*
* @private
* @param {ArrayBuffer} arrayBuffer The array buffer to clone.
* @returns {ArrayBuffer} Returns the cloned array buffer.
*/
function cloneArrayBuffer(arrayBuffer) {
var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
new Uint8Array(result).set(new Uint8Array(arrayBuffer));
return result;
}
/**
* Creates a clone of `typedArray`.
*
* @private
* @param {Object} typedArray The typed array to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the cloned typed array.
*/
function cloneTypedArray(typedArray, isDeep) {
var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
}
/**
* Copies the values of `source` to `array`.
*
* @private
* @param {Array} source The array to copy values from.
* @param {Array} [array=[]] The array to copy values to.
* @returns {Array} Returns `array`.
*/
function copyArray(source, array) {
var index = -1,
length = source.length;
array || (array = Array(length));
while (++index < length) {
array[index] = source[index];
}
return array;
}
/**
* Copies properties of `source` to `object`.
*
* @private
* @param {Object} source The object to copy properties from.
* @param {Array} props The property identifiers to copy.
* @param {Object} [object={}] The object to copy properties to.
* @param {Function} [customizer] The function to customize copied values.
* @returns {Object} Returns `object`.
*/
function copyObject(source, props, object, customizer) {
var isNew = !object;
object || (object = {});
var index = -1,
length = props.length;
while (++index < length) {
var key = props[index];
var newValue = customizer
? customizer(object[key], source[key], key, object, source)
: undefined;
if (newValue === undefined) {
newValue = source[key];
}
if (isNew) {
baseAssignValue(object, key, newValue);
} else {
assignValue(object, key, newValue);
}
}
return object;
}
/**
* Creates a function like `_.assign`.
*
* @private
* @param {Function} assigner The function to assign values.
* @returns {Function} Returns the new assigner function.
*/
function createAssigner(assigner) {
return baseRest(function(object, sources) {
var index = -1,
length = sources.length,
customizer = length > 1 ? sources[length - 1] : undefined,
guard = length > 2 ? sources[2] : undefined;
customizer = (assigner.length > 3 && typeof customizer == 'function')
? (length--, customizer)
: undefined;
if (guard && isIterateeCall(sources[0], sources[1], guard)) {
customizer = length < 3 ? undefined : customizer;
length = 1;
}
object = Object(object);
while (++index < length) {
var source = sources[index];
if (source) {
assigner(object, source, index, customizer);
}
}
return object;
});
}
/**
* Creates a base function for methods like `_.forIn` and `_.forOwn`.
*
* @private
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Function} Returns the new base function.
*/
function createBaseFor(fromRight) {
return function(object, iteratee, keysFunc) {
var index = -1,
iterable = Object(object),
props = keysFunc(object),
length = props.length;
while (length--) {
var key = props[fromRight ? length : ++index];
if (iteratee(iterable[key], key, iterable) === false) {
break;
}
}
return object;
};
}
/**
* Gets the data for `map`.
*
* @private
* @param {Object} map The map to query.
* @param {string} key The reference key.
* @returns {*} Returns the map data.
*/
function getMapData(map, key) {
var data = map.__data__;
return isKeyable(key)
? data[typeof key == 'string' ? 'string' : 'hash']
: data.map;
}
/**
* Gets the native function at `key` of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the method to get.
* @returns {*} Returns the function if it's native, else `undefined`.
*/
function getNative(object, key) {
var value = getValue(object, key);
return baseIsNative(value) ? value : undefined;
}
/**
* A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the raw `toStringTag`.
*/
function getRawTag(value) {
var isOwn = hasOwnProperty.call(value, symToStringTag),
tag = value[symToStringTag];
try {
value[symToStringTag] = undefined;
var unmasked = true;
} catch (e) {}
var result = nativeObjectToString.call(value);
if (unmasked) {
if (isOwn) {
value[symToStringTag] = tag;
} else {
delete value[symToStringTag];
}
}
return result;
}
/**
* Initializes an object clone.
*
* @private
* @param {Object} object The object to clone.
* @returns {Object} Returns the initialized clone.
*/
function initCloneObject(object) {
return (typeof object.constructor == 'function' && !isPrototype(object))
? baseCreate(getPrototype(object))
: {};
}
/**
* Checks if `value` is a valid array-like index.
*
* @private
* @param {*} value The value to check.
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
*/
function isIndex(value, length) {
var type = typeof value;
length = length == null ? MAX_SAFE_INTEGER : length;
return !!length &&
(type == 'number' ||
(type != 'symbol' && reIsUint.test(value))) &&
(value > -1 && value % 1 == 0 && value < length);
}
/**
* Checks if the given arguments are from an iteratee call.
*
* @private
* @param {*} value The potential iteratee value argument.
* @param {*} index The potential iteratee index or key argument.
* @param {*} object The potential iteratee object argument.
* @returns {boolean} Returns `true` if the arguments are from an iteratee call,
* else `false`.
*/
function isIterateeCall(value, index, object) {
if (!isObject(object)) {
return false;
}
var type = typeof index;
if (type == 'number'
? (isArrayLike(object) && isIndex(index, object.length))
: (type == 'string' && index in object)
) {
return eq(object[index], value);
}
return false;
}
/**
* Checks if `value` is suitable for use as unique object key.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is suitable, else `false`.
*/
function isKeyable(value) {
var type = typeof value;
return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
? (value !== '__proto__')
: (value === null);
}
/**
* Checks if `func` has its source masked.
*
* @private
* @param {Function} func The function to check.
* @returns {boolean} Returns `true` if `func` is masked, else `false`.
*/
function isMasked(func) {
return !!maskSrcKey && (maskSrcKey in func);
}
/**
* Checks if `value` is likely a prototype object.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
*/
function isPrototype(value) {
var Ctor = value && value.constructor,
proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
return value === proto;
}
/**
* This function is like
* [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
* except that it includes inherited enumerable properties.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function nativeKeysIn(object) {
var result = [];
if (object != null) {
for (var key in Object(object)) {
result.push(key);
}
}
return result;
}
/**
* Converts `value` to a string using `Object.prototype.toString`.
*
* @private
* @param {*} value The value to convert.
* @returns {string} Returns the converted string.
*/
function objectToString(value) {
return nativeObjectToString.call(value);
}
/**
* A specialized version of `baseRest` which transforms the rest array.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @param {Function} transform The rest array transform.
* @returns {Function} Returns the new function.
*/
function overRest(func, start, transform) {
start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
return function() {
var args = arguments,
index = -1,
length = nativeMax(args.length - start, 0),
array = Array(length);
while (++index < length) {
array[index] = args[start + index];
}
index = -1;
var otherArgs = Array(start + 1);
while (++index < start) {
otherArgs[index] = args[index];
}
otherArgs[start] = transform(array);
return apply(func, this, otherArgs);
};
}
/**
* Gets the value at `key`, unless `key` is "__proto__" or "constructor".
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function safeGet(object, key) {
if (key === 'constructor' && typeof object[key] === 'function') {
return;
}
if (key == '__proto__') {
return;
}
return object[key];
}
/**
* Sets the `toString` method of `func` to return `string`.
*
* @private
* @param {Function} func The function to modify.
* @param {Function} string The `toString` result.
* @returns {Function} Returns `func`.
*/
var setToString = shortOut(baseSetToString);
/**
* Creates a function that'll short out and invoke `identity` instead
* of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
* milliseconds.
*
* @private
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new shortable function.
*/
function shortOut(func) {
var count = 0,
lastCalled = 0;
return function() {
var stamp = nativeNow(),
remaining = HOT_SPAN - (stamp - lastCalled);
lastCalled = stamp;
if (remaining > 0) {
if (++count >= HOT_COUNT) {
return arguments[0];
}
} else {
count = 0;
}
return func.apply(undefined, arguments);
};
}
/**
* Converts `func` to its source code.
*
* @private
* @param {Function} func The function to convert.
* @returns {string} Returns the source code.
*/
function toSource(func) {
if (func != null) {
try {
return funcToString.call(func);
} catch (e) {}
try {
return (func + '');
} catch (e) {}
}
return '';
}
/**
* Performs a
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* comparison between two values to determine if they are equivalent.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.eq(object, object);
* // => true
*
* _.eq(object, other);
* // => false
*
* _.eq('a', 'a');
* // => true
*
* _.eq('a', Object('a'));
* // => false
*
* _.eq(NaN, NaN);
* // => true
*/
function eq(value, other) {
return value === other || (value !== value && other !== other);
}
/**
* Checks if `value` is likely an `arguments` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
* else `false`.
* @example
*
* _.isArguments(function() { return arguments; }());
* // => true
*
* _.isArguments([1, 2, 3]);
* // => false
*/
var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
!propertyIsEnumerable.call(value, 'callee');
};
/**
* Checks if `value` is classified as an `Array` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an array, else `false`.
* @example
*
* _.isArray([1, 2, 3]);
* // => true
*
* _.isArray(document.body.children);
* // => false
*
* _.isArray('abc');
* // => false
*
* _.isArray(_.noop);
* // => false
*/
var isArray = Array.isArray;
/**
* Checks if `value` is array-like. A value is considered array-like if it's
* not a function and has a `value.length` that's an integer greater than or
* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
* @example
*
* _.isArrayLike([1, 2, 3]);
* // => true
*
* _.isArrayLike(document.body.children);
* // => true
*
* _.isArrayLike('abc');
* // => true
*
* _.isArrayLike(_.noop);
* // => false
*/
function isArrayLike(value) {
return value != null && isLength(value.length) && !isFunction(value);
}
/**
* This method is like `_.isArrayLike` except that it also checks if `value`
* is an object.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an array-like object,
* else `false`.
* @example
*
* _.isArrayLikeObject([1, 2, 3]);
* // => true
*
* _.isArrayLikeObject(document.body.children);
* // => true
*
* _.isArrayLikeObject('abc');
* // => false
*
* _.isArrayLikeObject(_.noop);
* // => false
*/
function isArrayLikeObject(value) {
return isObjectLike(value) && isArrayLike(value);
}
/**
* Checks if `value` is a buffer.
*
* @static
* @memberOf _
* @since 4.3.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
* @example
*
* _.isBuffer(new Buffer(2));
* // => true
*
* _.isBuffer(new Uint8Array(2));
* // => false
*/
var isBuffer = nativeIsBuffer || stubFalse;
/**
* Checks if `value` is classified as a `Function` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
if (!isObject(value)) {
return false;
}
// The use of `Object#toString` avoids issues with the `typeof` operator
// in Safari 9 which returns 'object' for typed arrays and other constructors.
var tag = baseGetTag(value);
return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
}
/**
* Checks if `value` is a valid array-like length.
*
* **Note:** This method is loosely based on
* [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
* @example
*
* _.isLength(3);
* // => true
*
* _.isLength(Number.MIN_VALUE);
* // => false
*
* _.isLength(Infinity);
* // => false
*
* _.isLength('3');
* // => false
*/
function isLength(value) {
return typeof value == 'number' &&
value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}
/**
* Checks if `value` is the
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
*
* _.isObject(null);
* // => false
*/
function isObject(value) {
var type = typeof value;
return value != null && (type == 'object' || type == 'function');
}
/**
* Checks if `value` is object-like. A value is object-like if it's not `null`
* and has a `typeof` result of "object".
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
* @example
*
* _.isObjectLike({});
* // => true
*
* _.isObjectLike([1, 2, 3]);
* // => true
*
* _.isObjectLike(_.noop);
* // => false
*
* _.isObjectLike(null);
* // => false
*/
function isObjectLike(value) {
return value != null && typeof value == 'object';
}
/**
* Checks if `value` is a plain object, that is, an object created by the
* `Object` constructor or one with a `[[Prototype]]` of `null`.
*
* @static
* @memberOf _
* @since 0.8.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
* @example
*
* function Foo() {
* this.a = 1;
* }
*
* _.isPlainObject(new Foo);
* // => false
*
* _.isPlainObject([1, 2, 3]);
* // => false
*
* _.isPlainObject({ 'x': 0, 'y': 0 });
* // => true
*
* _.isPlainObject(Object.create(null));
* // => true
*/
function isPlainObject(value) {
if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
return false;
}
var proto = getPrototype(value);
if (proto === null) {
return true;
}
var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
return typeof Ctor == 'function' && Ctor instanceof Ctor &&
funcToString.call(Ctor) == objectCtorString;
}
/**
* Checks if `value` is classified as a typed array.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
* @example
*
* _.isTypedArray(new Uint8Array);
* // => true
*
* _.isTypedArray([]);
* // => false
*/
var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
/**
* Converts `value` to a plain object flattening inherited enumerable string
* keyed properties of `value` to own properties of the plain object.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Lang
* @param {*} value The value to convert.
* @returns {Object} Returns the converted plain object.
* @example
*
* function Foo() {
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.assign({ 'a': 1 }, new Foo);
* // => { 'a': 1, 'b': 2 }
*
* _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
* // => { 'a': 1, 'b': 2, 'c': 3 }
*/
function toPlainObject(value) {
return copyObject(value, keysIn(value));
}
/**
* Creates an array of the own and inherited enumerable property names of `object`.
*
* **Note:** Non-object values are coerced to objects.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Object
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
* @example
*
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keysIn(new Foo);
* // => ['a', 'b', 'c'] (iteration order is not guaranteed)
*/
function keysIn(object) {
return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
}
/**
* This method is like `_.assign` except that it recursively merges own and
* inherited enumerable string keyed properties of source objects into the
* destination object. Source properties that resolve to `undefined` are
* skipped if a destination value exists. Array and plain object properties
* are merged recursively. Other objects and value types are overridden by
* assignment. Source objects are applied from left to right. Subsequent
* sources overwrite property assignments of previous sources.
*
* **Note:** This method mutates `object`.
*
* @static
* @memberOf _
* @since 0.5.0
* @category Object
* @param {Object} object The destination object.
* @param {...Object} [sources] The source objects.
* @returns {Object} Returns `object`.
* @example
*
* var object = {
* 'a': [{ 'b': 2 }, { 'd': 4 }]
* };
*
* var other = {
* 'a': [{ 'c': 3 }, { 'e': 5 }]
* };
*
* _.merge(object, other);
* // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
*/
var merge = createAssigner(function(object, source, srcIndex) {
baseMerge(object, source, srcIndex);
});
/**
* Creates a function that returns `value`.
*
* @static
* @memberOf _
* @since 2.4.0
* @category Util
* @param {*} value The value to return from the new function.
* @returns {Function} Returns the new constant function.
* @example
*
* var objects = _.times(2, _.constant({ 'a': 1 }));
*
* console.log(objects);
* // => [{ 'a': 1 }, { 'a': 1 }]
*
* console.log(objects[0] === objects[1]);
* // => true
*/
function constant(value) {
return function() {
return value;
};
}
/**
* This method returns the first argument it receives.
*
* @static
* @since 0.1.0
* @memberOf _
* @category Util
* @param {*} value Any value.
* @returns {*} Returns `value`.
* @example
*
* var object = { 'a': 1 };
*
* console.log(_.identity(object) === object);
* // => true
*/
function identity(value) {
return value;
}
/**
* This method returns `false`.
*
* @static
* @memberOf _
* @since 4.13.0
* @category Util
* @returns {boolean} Returns `false`.
* @example
*
* _.times(2, _.stubFalse);
* // => [false, false]
*/
function stubFalse() {
return false;
}
module.exports = merge;
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(5), __webpack_require__(8)(module)))
/***/ }),
/***/ 5:
/***/ (function(module, exports) {
var g;
// This works in non-strict mode
g = (function() {
return this;
})();
try {
// This works if eval is allowed (see CSP)
g = g || Function("return this")() || (1,eval)("this");
} catch(e) {
// This works if the window reference is available
if(typeof window === "object")
g = window;
}
// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}
module.exports = g;
/***/ }),
/***/ 56:
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _jquery = __webpack_require__(0);
var _jquery2 = _interopRequireDefault(_jquery);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
__webpack_require__(38);
__webpack_require__(39);
var geonames = {
init: function init($field, options) {
var geocompleter = $field.geocompleter(options);
// On focus add select-state
geocompleter.geocompleter('autocompleter', 'on', 'autocompletefocus', function (event, ui) {
(0, _jquery2.default)('li', (0, _jquery2.default)(event.originalEvent.target)).closest('li').removeClass('selected');
(0, _jquery2.default)('a.ui-state-active, a.ui-state-hover, a.ui-state-focus', (0, _jquery2.default)(event.originalEvent.target)).closest('li').addClass('selected');
});
// On search request add loading-state
geocompleter.geocompleter('autocompleter', 'on', 'autocompletesearch', function (event, ui) {
(0, _jquery2.default)(this).attr('autocomplete', 'false');
(0, _jquery2.default)(this).addClass('input-loading');
(0, _jquery2.default)(this).removeClass('input-error');
});
// On response remove loading-state
geocompleter.geocompleter('autocompleter', 'on', 'autocompleteresponse', function (event, ui) {
(0, _jquery2.default)(this).removeClass('input-loading');
});
// On close menu remove loading-state
geocompleter.geocompleter('autocompleter', 'on', 'autocompleteclose', function (event, ui) {
(0, _jquery2.default)(this).removeClass('input-loading');
});
// On request error add error-state
geocompleter.geocompleter('autocompleter', 'on', 'geotocompleter.request.error', function (jqXhr, status, error) {
(0, _jquery2.default)(this).removeClass('input-loading');
(0, _jquery2.default)(this).addClass('input-error');
});
return geocompleter;
}
};
exports.default = geonames;
/***/ }),
/***/ 6:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var EventEmitter = function () {
function EventEmitter() {
_classCallCheck(this, EventEmitter);
this.observers = {};
}
EventEmitter.prototype.on = function on(events, listener) {
var _this = this;
events.split(' ').forEach(function (event) {
_this.observers[event] = _this.observers[event] || [];
_this.observers[event].push(listener);
});
};
EventEmitter.prototype.off = function off(event, listener) {
var _this2 = this;
if (!this.observers[event]) {
return;
}
this.observers[event].forEach(function () {
if (!listener) {
delete _this2.observers[event];
} else {
var index = _this2.observers[event].indexOf(listener);
if (index > -1) {
_this2.observers[event].splice(index, 1);
}
}
});
};
EventEmitter.prototype.emit = function emit(event) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
if (this.observers[event]) {
var cloned = [].concat(this.observers[event]);
cloned.forEach(function (observer) {
observer.apply(undefined, args);
});
}
if (this.observers['*']) {
var _cloned = [].concat(this.observers['*']);
_cloned.forEach(function (observer) {
var _ref;
observer.apply(observer, (_ref = [event]).concat.apply(_ref, args));
});
}
};
return EventEmitter;
}();
/* harmony default export */ __webpack_exports__["a"] = (EventEmitter);
/***/ }),
/***/ 7:
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(module, global, process) {var __WEBPACK_AMD_DEFINE_RESULT__;// Copyright (c) Microsoft, All rights reserved. See License.txt in the project root for license information.
;(function (undefined) {
var objectTypes = {
'function': true,
'object': true
};
function checkGlobal(value) {
return (value && value.Object === Object) ? value : null;
}
var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) ? exports : null;
var freeModule = (objectTypes[typeof module] && module && !module.nodeType) ? module : null;
var freeGlobal = checkGlobal(freeExports && freeModule && typeof global === 'object' && global);
var freeSelf = checkGlobal(objectTypes[typeof self] && self);
var freeWindow = checkGlobal(objectTypes[typeof window] && window);
var moduleExports = (freeModule && freeModule.exports === freeExports) ? freeExports : null;
var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
var root = freeGlobal || ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) || freeSelf || thisGlobal || Function('return this')();
var Rx = {
internals: {},
config: {
Promise: root.Promise
},
helpers: { }
};
// Defaults
var noop = Rx.helpers.noop = function () { },
identity = Rx.helpers.identity = function (x) { return x; },
defaultNow = Rx.helpers.defaultNow = Date.now,
defaultComparer = Rx.helpers.defaultComparer = function (x, y) { return isEqual(x, y); },
defaultSubComparer = Rx.helpers.defaultSubComparer = function (x, y) { return x > y ? 1 : (x < y ? -1 : 0); },
defaultKeySerializer = Rx.helpers.defaultKeySerializer = function (x) { return x.toString(); },
defaultError = Rx.helpers.defaultError = function (err) { throw err; },
isPromise = Rx.helpers.isPromise = function (p) { return !!p && typeof p.subscribe !== 'function' && typeof p.then === 'function'; },
isFunction = Rx.helpers.isFunction = (function () {
var isFn = function (value) {
return typeof value == 'function' || false;
};
// fallback for older versions of Chrome and Safari
if (isFn(/x/)) {
isFn = function(value) {
return typeof value == 'function' && toString.call(value) == '[object Function]';
};
}
return isFn;
}());
function cloneArray(arr) { for(var a = [], i = 0, len = arr.length; i < len; i++) { a.push(arr[i]); } return a;}
var errorObj = {e: {}};
function tryCatcherGen(tryCatchTarget) {
return function tryCatcher() {
try {
return tryCatchTarget.apply(this, arguments);
} catch (e) {
errorObj.e = e;
return errorObj;
}
};
}
var tryCatch = Rx.internals.tryCatch = function tryCatch(fn) {
if (!isFunction(fn)) { throw new TypeError('fn must be a function'); }
return tryCatcherGen(fn);
};
function thrower(e) {
throw e;
}
Rx.config.longStackSupport = false;
var hasStacks = false, stacks = tryCatch(function () { throw new Error(); })();
hasStacks = !!stacks.e && !!stacks.e.stack;
// All code after this point will be filtered from stack traces reported by RxJS
var rStartingLine = captureLine(), rFileName;
var STACK_JUMP_SEPARATOR = 'From previous event:';
function makeStackTraceLong(error, observable) {
// If possible, transform the error stack trace by removing Node and RxJS
// cruft, then concatenating with the stack trace of `observable`.
if (hasStacks &&
observable.stack &&
typeof error === 'object' &&
error !== null &&
error.stack &&
error.stack.indexOf(STACK_JUMP_SEPARATOR) === -1
) {
var stacks = [];
for (var o = observable; !!o; o = o.source) {
if (o.stack) {
stacks.unshift(o.stack);
}
}
stacks.unshift(error.stack);
var concatedStacks = stacks.join('\n' + STACK_JUMP_SEPARATOR + '\n');
error.stack = filterStackString(concatedStacks);
}
}
function filterStackString(stackString) {
var lines = stackString.split('\n'), desiredLines = [];
for (var i = 0, len = lines.length; i < len; i++) {
var line = lines[i];
if (!isInternalFrame(line) && !isNodeFrame(line) && line) {
desiredLines.push(line);
}
}
return desiredLines.join('\n');
}
function isInternalFrame(stackLine) {
var fileNameAndLineNumber = getFileNameAndLineNumber(stackLine);
if (!fileNameAndLineNumber) {
return false;
}
var fileName = fileNameAndLineNumber[0], lineNumber = fileNameAndLineNumber[1];
return fileName === rFileName &&
lineNumber >= rStartingLine &&
lineNumber <= rEndingLine;
}
function isNodeFrame(stackLine) {
return stackLine.indexOf('(module.js:') !== -1 ||
stackLine.indexOf('(node.js:') !== -1;
}
function captureLine() {
if (!hasStacks) { return; }
try {
throw new Error();
} catch (e) {
var lines = e.stack.split('\n');
var firstLine = lines[0].indexOf('@') > 0 ? lines[1] : lines[2];
var fileNameAndLineNumber = getFileNameAndLineNumber(firstLine);
if (!fileNameAndLineNumber) { return; }
rFileName = fileNameAndLineNumber[0];
return fileNameAndLineNumber[1];
}
}
function getFileNameAndLineNumber(stackLine) {
// Named functions: 'at functionName (filename:lineNumber:columnNumber)'
var attempt1 = /at .+ \((.+):(\d+):(?:\d+)\)$/.exec(stackLine);
if (attempt1) { return [attempt1[1], Number(attempt1[2])]; }
// Anonymous functions: 'at filename:lineNumber:columnNumber'
var attempt2 = /at ([^ ]+):(\d+):(?:\d+)$/.exec(stackLine);
if (attempt2) { return [attempt2[1], Number(attempt2[2])]; }
// Firefox style: 'function@filename:lineNumber or @filename:lineNumber'
var attempt3 = /.*@(.+):(\d+)$/.exec(stackLine);
if (attempt3) { return [attempt3[1], Number(attempt3[2])]; }
}
var EmptyError = Rx.EmptyError = function() {
this.message = 'Sequence contains no elements.';
Error.call(this);
};
EmptyError.prototype = Object.create(Error.prototype);
EmptyError.prototype.name = 'EmptyError';
var ObjectDisposedError = Rx.ObjectDisposedError = function() {
this.message = 'Object has been disposed';
Error.call(this);
};
ObjectDisposedError.prototype = Object.create(Error.prototype);
ObjectDisposedError.prototype.name = 'ObjectDisposedError';
var ArgumentOutOfRangeError = Rx.ArgumentOutOfRangeError = function () {
this.message = 'Argument out of range';
Error.call(this);
};
ArgumentOutOfRangeError.prototype = Object.create(Error.prototype);
ArgumentOutOfRangeError.prototype.name = 'ArgumentOutOfRangeError';
var NotSupportedError = Rx.NotSupportedError = function (message) {
this.message = message || 'This operation is not supported';
Error.call(this);
};
NotSupportedError.prototype = Object.create(Error.prototype);
NotSupportedError.prototype.name = 'NotSupportedError';
var NotImplementedError = Rx.NotImplementedError = function (message) {
this.message = message || 'This operation is not implemented';
Error.call(this);
};
NotImplementedError.prototype = Object.create(Error.prototype);
NotImplementedError.prototype.name = 'NotImplementedError';
var notImplemented = Rx.helpers.notImplemented = function () {
throw new NotImplementedError();
};
var notSupported = Rx.helpers.notSupported = function () {
throw new NotSupportedError();
};
// Shim in iterator support
var $iterator$ = (typeof Symbol === 'function' && Symbol.iterator) ||
'_es6shim_iterator_';
// Bug for mozilla version
if (root.Set && typeof new root.Set()['@@iterator'] === 'function') {
$iterator$ = '@@iterator';
}
var doneEnumerator = Rx.doneEnumerator = { done: true, value: undefined };
var isIterable = Rx.helpers.isIterable = function (o) {
return o && o[$iterator$] !== undefined;
};
var isArrayLike = Rx.helpers.isArrayLike = function (o) {
return o && o.length !== undefined;
};
Rx.helpers.iterator = $iterator$;
var bindCallback = Rx.internals.bindCallback = function (func, thisArg, argCount) {
if (typeof thisArg === 'undefined') { return func; }
switch(argCount) {
case 0:
return function() {
return func.call(thisArg)
};
case 1:
return function(arg) {
return func.call(thisArg, arg);
};
case 2:
return function(value, index) {
return func.call(thisArg, value, index);
};
case 3:
return function(value, index, collection) {
return func.call(thisArg, value, index, collection);
};
}
return function() {
return func.apply(thisArg, arguments);
};
};
/** Used to determine if values are of the language type Object */
var dontEnums = ['toString',
'toLocaleString',
'valueOf',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'constructor'],
dontEnumsLength = dontEnums.length;
var argsTag = '[object Arguments]',
arrayTag = '[object Array]',
boolTag = '[object Boolean]',
dateTag = '[object Date]',
errorTag = '[object Error]',
funcTag = '[object Function]',
mapTag = '[object Map]',
numberTag = '[object Number]',
objectTag = '[object Object]',
regexpTag = '[object RegExp]',
setTag = '[object Set]',
stringTag = '[object String]',
weakMapTag = '[object WeakMap]';
var arrayBufferTag = '[object ArrayBuffer]',
float32Tag = '[object Float32Array]',
float64Tag = '[object Float64Array]',
int8Tag = '[object Int8Array]',
int16Tag = '[object Int16Array]',
int32Tag = '[object Int32Array]',
uint8Tag = '[object Uint8Array]',
uint8ClampedTag = '[object Uint8ClampedArray]',
uint16Tag = '[object Uint16Array]',
uint32Tag = '[object Uint32Array]';
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dateTag] = typedArrayTags[errorTag] =
typedArrayTags[funcTag] = typedArrayTags[mapTag] =
typedArrayTags[numberTag] = typedArrayTags[objectTag] =
typedArrayTags[regexpTag] = typedArrayTags[setTag] =
typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;
var objectProto = Object.prototype,
hasOwnProperty = objectProto.hasOwnProperty,
objToString = objectProto.toString,
MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
var keys = Object.keys || (function() {
var hasOwnProperty = Object.prototype.hasOwnProperty,
hasDontEnumBug = !({ toString: null }).propertyIsEnumerable('toString'),
dontEnums = [
'toString',
'toLocaleString',
'valueOf',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'constructor'
],
dontEnumsLength = dontEnums.length;
return function(obj) {
if (typeof obj !== 'object' && (typeof obj !== 'function' || obj === null)) {
throw new TypeError('Object.keys called on non-object');
}
var result = [], prop, i;
for (prop in obj) {
if (hasOwnProperty.call(obj, prop)) {
result.push(prop);
}
}
if (hasDontEnumBug) {
for (i = 0; i < dontEnumsLength; i++) {
if (hasOwnProperty.call(obj, dontEnums[i])) {
result.push(dontEnums[i]);
}
}
}
return result;
};
}());
function equalObjects(object, other, equalFunc, isLoose, stackA, stackB) {
var objProps = keys(object),
objLength = objProps.length,
othProps = keys(other),
othLength = othProps.length;
if (objLength !== othLength && !isLoose) {
return false;
}
var index = objLength, key;
while (index--) {
key = objProps[index];
if (!(isLoose ? key in other : hasOwnProperty.call(other, key))) {
return false;
}
}
var skipCtor = isLoose;
while (++index < objLength) {
key = objProps[index];
var objValue = object[key],
othValue = other[key],
result;
if (!(result === undefined ? equalFunc(objValue, othValue, isLoose, stackA, stackB) : result)) {
return false;
}
skipCtor || (skipCtor = key === 'constructor');
}
if (!skipCtor) {
var objCtor = object.constructor,
othCtor = other.constructor;
if (objCtor !== othCtor &&
('constructor' in object && 'constructor' in other) &&
!(typeof objCtor === 'function' && objCtor instanceof objCtor &&
typeof othCtor === 'function' && othCtor instanceof othCtor)) {
return false;
}
}
return true;
}
function equalByTag(object, other, tag) {
switch (tag) {
case boolTag:
case dateTag:
return +object === +other;
case errorTag:
return object.name === other.name && object.message === other.message;
case numberTag:
return (object !== +object) ?
other !== +other :
object === +other;
case regexpTag:
case stringTag:
return object === (other + '');
}
return false;
}
var isObject = Rx.internals.isObject = function(value) {
var type = typeof value;
return !!value && (type === 'object' || type === 'function');
};
function isObjectLike(value) {
return !!value && typeof value === 'object';
}
function isLength(value) {
return typeof value === 'number' && value > -1 && value % 1 === 0 && value <= MAX_SAFE_INTEGER;
}
var isHostObject = (function() {
try {
Object({ 'toString': 0 } + '');
} catch(e) {
return function() { return false; };
}
return function(value) {
return typeof value.toString !== 'function' && typeof (value + '') === 'string';
};
}());
function isTypedArray(value) {
return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
}
var isArray = Array.isArray || function(value) {
return isObjectLike(value) && isLength(value.length) && objToString.call(value) === arrayTag;
};
function arraySome (array, predicate) {
var index = -1,
length = array.length;
while (++index < length) {
if (predicate(array[index], index, array)) {
return true;
}
}
return false;
}
function equalArrays(array, other, equalFunc, isLoose, stackA, stackB) {
var index = -1,
arrLength = array.length,
othLength = other.length;
if (arrLength !== othLength && !(isLoose && othLength > arrLength)) {
return false;
}
// Ignore non-index properties.
while (++index < arrLength) {
var arrValue = array[index],
othValue = other[index],
result;
if (result !== undefined) {
if (result) {
continue;
}
return false;
}
// Recursively compare arrays (susceptible to call stack limits).
if (isLoose) {
if (!arraySome(other, function(othValue) {
return arrValue === othValue || equalFunc(arrValue, othValue, isLoose, stackA, stackB);
})) {
return false;
}
} else if (!(arrValue === othValue || equalFunc(arrValue, othValue, isLoose, stackA, stackB))) {
return false;
}
}
return true;
}
function baseIsEqualDeep(object, other, equalFunc, isLoose, stackA, stackB) {
var objIsArr = isArray(object),
othIsArr = isArray(other),
objTag = arrayTag,
othTag = arrayTag;
if (!objIsArr) {
objTag = objToString.call(object);
if (objTag === argsTag) {
objTag = objectTag;
} else if (objTag !== objectTag) {
objIsArr = isTypedArray(object);
}
}
if (!othIsArr) {
othTag = objToString.call(other);
if (othTag === argsTag) {
othTag = objectTag;
}
}
var objIsObj = objTag === objectTag && !isHostObject(object),
othIsObj = othTag === objectTag && !isHostObject(other),
isSameTag = objTag === othTag;
if (isSameTag && !(objIsArr || objIsObj)) {
return equalByTag(object, other, objTag);
}
if (!isLoose) {
var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
if (objIsWrapped || othIsWrapped) {
return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, isLoose, stackA, stackB);
}
}
if (!isSameTag) {
return false;
}
// Assume cyclic values are equal.
// For more information on detecting circular references see https://es5.github.io/#JO.
stackA || (stackA = []);
stackB || (stackB = []);
var length = stackA.length;
while (length--) {
if (stackA[length] === object) {
return stackB[length] === other;
}
}
// Add `object` and `other` to the stack of traversed objects.
stackA.push(object);
stackB.push(other);
var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, isLoose, stackA, stackB);
stackA.pop();
stackB.pop();
return result;
}
function baseIsEqual(value, other, isLoose, stackA, stackB) {
if (value === other) {
return true;
}
if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
return value !== value && other !== other;
}
return baseIsEqualDeep(value, other, baseIsEqual, isLoose, stackA, stackB);
}
var isEqual = Rx.internals.isEqual = function (value, other) {
return baseIsEqual(value, other);
};
var hasProp = {}.hasOwnProperty,
slice = Array.prototype.slice;
var inherits = Rx.internals.inherits = function (child, parent) {
function __() { this.constructor = child; }
__.prototype = parent.prototype;
child.prototype = new __();
};
var addProperties = Rx.internals.addProperties = function (obj) {
for(var sources = [], i = 1, len = arguments.length; i < len; i++) { sources.push(arguments[i]); }
for (var idx = 0, ln = sources.length; idx < ln; idx++) {
var source = sources[idx];
for (var prop in source) {
obj[prop] = source[prop];
}
}
};
// Rx Utils
var addRef = Rx.internals.addRef = function (xs, r) {
return new AnonymousObservable(function (observer) {
return new BinaryDisposable(r.getDisposable(), xs.subscribe(observer));
});
};
function arrayInitialize(count, factory) {
var a = new Array(count);
for (var i = 0; i < count; i++) {
a[i] = factory();
}
return a;
}
function IndexedItem(id, value) {
this.id = id;
this.value = value;
}
IndexedItem.prototype.compareTo = function (other) {
var c = this.value.compareTo(other.value);
c === 0 && (c = this.id - other.id);
return c;
};
var PriorityQueue = Rx.internals.PriorityQueue = function (capacity) {
this.items = new Array(capacity);
this.length = 0;
};
var priorityProto = PriorityQueue.prototype;
priorityProto.isHigherPriority = function (left, right) {
return this.items[left].compareTo(this.items[right]) < 0;
};
priorityProto.percolate = function (index) {
if (index >= this.length || index < 0) { return; }
var parent = index - 1 >> 1;
if (parent < 0 || parent === index) { return; }
if (this.isHigherPriority(index, parent)) {
var temp = this.items[index];
this.items[index] = this.items[parent];
this.items[parent] = temp;
this.percolate(parent);
}
};
priorityProto.heapify = function (index) {
+index || (index = 0);
if (index >= this.length || index < 0) { return; }
var left = 2 * index + 1,
right = 2 * index + 2,
first = index;
if (left < this.length && this.isHigherPriority(left, first)) {
first = left;
}
if (right < this.length && this.isHigherPriority(right, first)) {
first = right;
}
if (first !== index) {
var temp = this.items[index];
this.items[index] = this.items[first];
this.items[first] = temp;
this.heapify(first);
}
};
priorityProto.peek = function () { return this.items[0].value; };
priorityProto.removeAt = function (index) {
this.items[index] = this.items[--this.length];
this.items[this.length] = undefined;
this.heapify();
};
priorityProto.dequeue = function () {
var result = this.peek();
this.removeAt(0);
return result;
};
priorityProto.enqueue = function (item) {
var index = this.length++;
this.items[index] = new IndexedItem(PriorityQueue.count++, item);
this.percolate(index);
};
priorityProto.remove = function (item) {
for (var i = 0; i < this.length; i++) {
if (this.items[i].value === item) {
this.removeAt(i);
return true;
}
}
return false;
};
PriorityQueue.count = 0;
/**
* Represents a group of disposable resources that are disposed together.
* @constructor
*/
var CompositeDisposable = Rx.CompositeDisposable = function () {
var args = [], i, len;
if (Array.isArray(arguments[0])) {
args = arguments[0];
} else {
len = arguments.length;
args = new Array(len);
for(i = 0; i < len; i++) { args[i] = arguments[i]; }
}
this.disposables = args;
this.isDisposed = false;
this.length = args.length;
};
var CompositeDisposablePrototype = CompositeDisposable.prototype;
/**
* Adds a disposable to the CompositeDisposable or disposes the disposable if the CompositeDisposable is disposed.
* @param {Mixed} item Disposable to add.
*/
CompositeDisposablePrototype.add = function (item) {
if (this.isDisposed) {
item.dispose();
} else {
this.disposables.push(item);
this.length++;
}
};
/**
* Removes and disposes the first occurrence of a disposable from the CompositeDisposable.
* @param {Mixed} item Disposable to remove.
* @returns {Boolean} true if found; false otherwise.
*/
CompositeDisposablePrototype.remove = function (item) {
var shouldDispose = false;
if (!this.isDisposed) {
var idx = this.disposables.indexOf(item);
if (idx !== -1) {
shouldDispose = true;
this.disposables.splice(idx, 1);
this.length--;
item.dispose();
}
}
return shouldDispose;
};
/**
* Disposes all disposables in the group and removes them from the group.
*/
CompositeDisposablePrototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
var len = this.disposables.length, currentDisposables = new Array(len);
for(var i = 0; i < len; i++) { currentDisposables[i] = this.disposables[i]; }
this.disposables = [];
this.length = 0;
for (i = 0; i < len; i++) {
currentDisposables[i].dispose();
}
}
};
/**
* Provides a set of static methods for creating Disposables.
* @param {Function} dispose Action to run during the first call to dispose. The action is guaranteed to be run at most once.
*/
var Disposable = Rx.Disposable = function (action) {
this.isDisposed = false;
this.action = action || noop;
};
/** Performs the task of cleaning up resources. */
Disposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.action();
this.isDisposed = true;
}
};
/**
* Creates a disposable object that invokes the specified action when disposed.
* @param {Function} dispose Action to run during the first call to dispose. The action is guaranteed to be run at most once.
* @return {Disposable} The disposable object that runs the given action upon disposal.
*/
var disposableCreate = Disposable.create = function (action) { return new Disposable(action); };
/**
* Gets the disposable that does nothing when disposed.
*/
var disposableEmpty = Disposable.empty = { dispose: noop };
/**
* Validates whether the given object is a disposable
* @param {Object} Object to test whether it has a dispose method
* @returns {Boolean} true if a disposable object, else false.
*/
var isDisposable = Disposable.isDisposable = function (d) {
return d && isFunction(d.dispose);
};
var checkDisposed = Disposable.checkDisposed = function (disposable) {
if (disposable.isDisposed) { throw new ObjectDisposedError(); }
};
var disposableFixup = Disposable._fixup = function (result) {
return isDisposable(result) ? result : disposableEmpty;
};
// Single assignment
var SingleAssignmentDisposable = Rx.SingleAssignmentDisposable = function () {
this.isDisposed = false;
this.current = null;
};
SingleAssignmentDisposable.prototype.getDisposable = function () {
return this.current;
};
SingleAssignmentDisposable.prototype.setDisposable = function (value) {
if (this.current) { throw new Error('Disposable has already been assigned'); }
var shouldDispose = this.isDisposed;
!shouldDispose && (this.current = value);
shouldDispose && value && value.dispose();
};
SingleAssignmentDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
var old = this.current;
this.current = null;
old && old.dispose();
}
};
// Multiple assignment disposable
var SerialDisposable = Rx.SerialDisposable = function () {
this.isDisposed = false;
this.current = null;
};
SerialDisposable.prototype.getDisposable = function () {
return this.current;
};
SerialDisposable.prototype.setDisposable = function (value) {
var shouldDispose = this.isDisposed;
if (!shouldDispose) {
var old = this.current;
this.current = value;
}
old && old.dispose();
shouldDispose && value && value.dispose();
};
SerialDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
var old = this.current;
this.current = null;
}
old && old.dispose();
};
var BinaryDisposable = Rx.BinaryDisposable = function (first, second) {
this._first = first;
this._second = second;
this.isDisposed = false;
};
BinaryDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
var old1 = this._first;
this._first = null;
old1 && old1.dispose();
var old2 = this._second;
this._second = null;
old2 && old2.dispose();
}
};
var NAryDisposable = Rx.NAryDisposable = function (disposables) {
this._disposables = disposables;
this.isDisposed = false;
};
NAryDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
for (var i = 0, len = this._disposables.length; i < len; i++) {
this._disposables[i].dispose();
}
this._disposables.length = 0;
}
};
/**
* Represents a disposable resource that only disposes its underlying disposable resource when all dependent disposable objects have been disposed.
*/
var RefCountDisposable = Rx.RefCountDisposable = (function () {
function InnerDisposable(disposable) {
this.disposable = disposable;
this.disposable.count++;
this.isInnerDisposed = false;
}
InnerDisposable.prototype.dispose = function () {
if (!this.disposable.isDisposed && !this.isInnerDisposed) {
this.isInnerDisposed = true;
this.disposable.count--;
if (this.disposable.count === 0 && this.disposable.isPrimaryDisposed) {
this.disposable.isDisposed = true;
this.disposable.underlyingDisposable.dispose();
}
}
};
/**
* Initializes a new instance of the RefCountDisposable with the specified disposable.
* @constructor
* @param {Disposable} disposable Underlying disposable.
*/
function RefCountDisposable(disposable) {
this.underlyingDisposable = disposable;
this.isDisposed = false;
this.isPrimaryDisposed = false;
this.count = 0;
}
/**
* Disposes the underlying disposable only when all dependent disposables have been disposed
*/
RefCountDisposable.prototype.dispose = function () {
if (!this.isDisposed && !this.isPrimaryDisposed) {
this.isPrimaryDisposed = true;
if (this.count === 0) {
this.isDisposed = true;
this.underlyingDisposable.dispose();
}
}
};
/**
* Returns a dependent disposable that when disposed decreases the refcount on the underlying disposable.
* @returns {Disposable} A dependent disposable contributing to the reference count that manages the underlying disposable's lifetime.
*/
RefCountDisposable.prototype.getDisposable = function () {
return this.isDisposed ? disposableEmpty : new InnerDisposable(this);
};
return RefCountDisposable;
})();
function ScheduledDisposable(scheduler, disposable) {
this.scheduler = scheduler;
this.disposable = disposable;
this.isDisposed = false;
}
function scheduleItem(s, self) {
if (!self.isDisposed) {
self.isDisposed = true;
self.disposable.dispose();
}
}
ScheduledDisposable.prototype.dispose = function () {
this.scheduler.schedule(this, scheduleItem);
};
var ScheduledItem = Rx.internals.ScheduledItem = function (scheduler, state, action, dueTime, comparer) {
this.scheduler = scheduler;
this.state = state;
this.action = action;
this.dueTime = dueTime;
this.comparer = comparer || defaultSubComparer;
this.disposable = new SingleAssignmentDisposable();
};
ScheduledItem.prototype.invoke = function () {
this.disposable.setDisposable(this.invokeCore());
};
ScheduledItem.prototype.compareTo = function (other) {
return this.comparer(this.dueTime, other.dueTime);
};
ScheduledItem.prototype.isCancelled = function () {
return this.disposable.isDisposed;
};
ScheduledItem.prototype.invokeCore = function () {
return disposableFixup(this.action(this.scheduler, this.state));
};
/** Provides a set of static properties to access commonly used schedulers. */
var Scheduler = Rx.Scheduler = (function () {
function Scheduler() { }
/** Determines whether the given object is a scheduler */
Scheduler.isScheduler = function (s) {
return s instanceof Scheduler;
};
var schedulerProto = Scheduler.prototype;
/**
* Schedules an action to be executed.
* @param state State passed to the action to be executed.
* @param {Function} action Action to be executed.
* @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
*/
schedulerProto.schedule = function (state, action) {
throw new NotImplementedError();
};
/**
* Schedules an action to be executed after dueTime.
* @param state State passed to the action to be executed.
* @param {Function} action Action to be executed.
* @param {Number} dueTime Relative time after which to execute the action.
* @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
*/
schedulerProto.scheduleFuture = function (state, dueTime, action) {
var dt = dueTime;
dt instanceof Date && (dt = dt - this.now());
dt = Scheduler.normalize(dt);
if (dt === 0) { return this.schedule(state, action); }
return this._scheduleFuture(state, dt, action);
};
schedulerProto._scheduleFuture = function (state, dueTime, action) {
throw new NotImplementedError();
};
/** Gets the current time according to the local machine's system clock. */
Scheduler.now = defaultNow;
/** Gets the current time according to the local machine's system clock. */
Scheduler.prototype.now = defaultNow;
/**
* Normalizes the specified TimeSpan value to a positive value.
* @param {Number} timeSpan The time span value to normalize.
* @returns {Number} The specified TimeSpan value if it is zero or positive; otherwise, 0
*/
Scheduler.normalize = function (timeSpan) {
timeSpan < 0 && (timeSpan = 0);
return timeSpan;
};
return Scheduler;
}());
var normalizeTime = Scheduler.normalize, isScheduler = Scheduler.isScheduler;
(function (schedulerProto) {
function invokeRecImmediate(scheduler, pair) {
var state = pair[0], action = pair[1], group = new CompositeDisposable();
action(state, innerAction);
return group;
function innerAction(state2) {
var isAdded = false, isDone = false;
var d = scheduler.schedule(state2, scheduleWork);
if (!isDone) {
group.add(d);
isAdded = true;
}
function scheduleWork(_, state3) {
if (isAdded) {
group.remove(d);
} else {
isDone = true;
}
action(state3, innerAction);
return disposableEmpty;
}
}
}
function invokeRecDate(scheduler, pair) {
var state = pair[0], action = pair[1], group = new CompositeDisposable();
action(state, innerAction);
return group;
function innerAction(state2, dueTime1) {
var isAdded = false, isDone = false;
var d = scheduler.scheduleFuture(state2, dueTime1, scheduleWork);
if (!isDone) {
group.add(d);
isAdded = true;
}
function scheduleWork(_, state3) {
if (isAdded) {
group.remove(d);
} else {
isDone = true;
}
action(state3, innerAction);
return disposableEmpty;
}
}
}
/**
* Schedules an action to be executed recursively.
* @param {Mixed} state State passed to the action to be executed.
* @param {Function} action Action to execute recursively. The last parameter passed to the action is used to trigger recursive scheduling of the action, passing in recursive invocation state.
* @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
*/
schedulerProto.scheduleRecursive = function (state, action) {
return this.schedule([state, action], invokeRecImmediate);
};
/**
* Schedules an action to be executed recursively after a specified relative or absolute due time.
* @param {Mixed} state State passed to the action to be executed.
* @param {Function} action Action to execute recursively. The last parameter passed to the action is used to trigger recursive scheduling of the action, passing in the recursive due time and invocation state.
* @param {Number | Date} dueTime Relative or absolute time after which to execute the action for the first time.
* @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
*/
schedulerProto.scheduleRecursiveFuture = function (state, dueTime, action) {
return this.scheduleFuture([state, action], dueTime, invokeRecDate);
};
}(Scheduler.prototype));
(function (schedulerProto) {
/**
* Schedules a periodic piece of work by dynamically discovering the scheduler's capabilities. The periodic task will be scheduled using window.setInterval for the base implementation.
* @param {Mixed} state Initial state passed to the action upon the first iteration.
* @param {Number} period Period for running the work periodically.
* @param {Function} action Action to be executed, potentially updating the state.
* @returns {Disposable} The disposable object used to cancel the scheduled recurring action (best effort).
*/
schedulerProto.schedulePeriodic = function(state, period, action) {
if (typeof root.setInterval === 'undefined') { throw new NotSupportedError(); }
period = normalizeTime(period);
var s = state, id = root.setInterval(function () { s = action(s); }, period);
return disposableCreate(function () { root.clearInterval(id); });
};
}(Scheduler.prototype));
(function (schedulerProto) {
/**
* Returns a scheduler that wraps the original scheduler, adding exception handling for scheduled actions.
* @param {Function} handler Handler that's run if an exception is caught. The exception will be rethrown if the handler returns false.
* @returns {Scheduler} Wrapper around the original scheduler, enforcing exception handling.
*/
schedulerProto.catchError = schedulerProto['catch'] = function (handler) {
return new CatchScheduler(this, handler);
};
}(Scheduler.prototype));
var SchedulePeriodicRecursive = Rx.internals.SchedulePeriodicRecursive = (function () {
function createTick(self) {
return function tick(command, recurse) {
recurse(0, self._period);
var state = tryCatch(self._action)(self._state);
if (state === errorObj) {
self._cancel.dispose();
thrower(state.e);
}
self._state = state;
};
}
function SchedulePeriodicRecursive(scheduler, state, period, action) {
this._scheduler = scheduler;
this._state = state;
this._period = period;
this._action = action;
}
SchedulePeriodicRecursive.prototype.start = function () {
var d = new SingleAssignmentDisposable();
this._cancel = d;
d.setDisposable(this._scheduler.scheduleRecursiveFuture(0, this._period, createTick(this)));
return d;
};
return SchedulePeriodicRecursive;
}());
/** Gets a scheduler that schedules work immediately on the current thread. */
var ImmediateScheduler = (function (__super__) {
inherits(ImmediateScheduler, __super__);
function ImmediateScheduler() {
__super__.call(this);
}
ImmediateScheduler.prototype.schedule = function (state, action) {
return disposableFixup(action(this, state));
};
return ImmediateScheduler;
}(Scheduler));
var immediateScheduler = Scheduler.immediate = new ImmediateScheduler();
/**
* Gets a scheduler that schedules work as soon as possible on the current thread.
*/
var CurrentThreadScheduler = (function (__super__) {
var queue;
function runTrampoline () {
while (queue.length > 0) {
var item = queue.dequeue();
!item.isCancelled() && item.invoke();
}
}
inherits(CurrentThreadScheduler, __super__);
function CurrentThreadScheduler() {
__super__.call(this);
}
CurrentThreadScheduler.prototype.schedule = function (state, action) {
var si = new ScheduledItem(this, state, action, this.now());
if (!queue) {
queue = new PriorityQueue(4);
queue.enqueue(si);
var result = tryCatch(runTrampoline)();
queue = null;
if (result === errorObj) { thrower(result.e); }
} else {
queue.enqueue(si);
}
return si.disposable;
};
CurrentThreadScheduler.prototype.scheduleRequired = function () { return !queue; };
return CurrentThreadScheduler;
}(Scheduler));
var currentThreadScheduler = Scheduler.currentThread = new CurrentThreadScheduler();
var scheduleMethod, clearMethod;
var localTimer = (function () {
var localSetTimeout, localClearTimeout = noop;
if (!!root.setTimeout) {
localSetTimeout = root.setTimeout;
localClearTimeout = root.clearTimeout;
} else if (!!root.WScript) {
localSetTimeout = function (fn, time) {
root.WScript.Sleep(time);
fn();
};
} else {
throw new NotSupportedError();
}
return {
setTimeout: localSetTimeout,
clearTimeout: localClearTimeout
};
}());
var localSetTimeout = localTimer.setTimeout,
localClearTimeout = localTimer.clearTimeout;
(function () {
var nextHandle = 1, tasksByHandle = {}, currentlyRunning = false;
clearMethod = function (handle) {
delete tasksByHandle[handle];
};
function runTask(handle) {
if (currentlyRunning) {
localSetTimeout(function () { runTask(handle); }, 0);
} else {
var task = tasksByHandle[handle];
if (task) {
currentlyRunning = true;
var result = tryCatch(task)();
clearMethod(handle);
currentlyRunning = false;
if (result === errorObj) { thrower(result.e); }
}
}
}
var reNative = new RegExp('^' +
String(toString)
.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
.replace(/toString| for [^\]]+/g, '.*?') + '$'
);
var setImmediate = typeof (setImmediate = freeGlobal && moduleExports && freeGlobal.setImmediate) == 'function' &&
!reNative.test(setImmediate) && setImmediate;
function postMessageSupported () {
// Ensure not in a worker
if (!root.postMessage || root.importScripts) { return false; }
var isAsync = false, oldHandler = root.onmessage;
// Test for async
root.onmessage = function () { isAsync = true; };
root.postMessage('', '*');
root.onmessage = oldHandler;
return isAsync;
}
// Use in order, setImmediate, nextTick, postMessage, MessageChannel, script readystatechanged, setTimeout
if (isFunction(setImmediate)) {
scheduleMethod = function (action) {
var id = nextHandle++;
tasksByHandle[id] = action;
setImmediate(function () { runTask(id); });
return id;
};
} else if (typeof process !== 'undefined' && {}.toString.call(process) === '[object process]') {
scheduleMethod = function (action) {
var id = nextHandle++;
tasksByHandle[id] = action;
process.nextTick(function () { runTask(id); });
return id;
};
} else if (postMessageSupported()) {
var MSG_PREFIX = 'ms.rx.schedule' + Math.random();
var onGlobalPostMessage = function (event) {
// Only if we're a match to avoid any other global events
if (typeof event.data === 'string' && event.data.substring(0, MSG_PREFIX.length) === MSG_PREFIX) {
runTask(event.data.substring(MSG_PREFIX.length));
}
};
root.addEventListener('message', onGlobalPostMessage, false);
scheduleMethod = function (action) {
var id = nextHandle++;
tasksByHandle[id] = action;
root.postMessage(MSG_PREFIX + id, '*');
return id;
};
} else if (!!root.MessageChannel) {
var channel = new root.MessageChannel();
channel.port1.onmessage = function (e) { runTask(e.data); };
scheduleMethod = function (action) {
var id = nextHandle++;
tasksByHandle[id] = action;
channel.port2.postMessage(id);
return id;
};
} else if ('document' in root && 'onreadystatechange' in root.document.createElement('script')) {
scheduleMethod = function (action) {
var scriptElement = root.document.createElement('script');
var id = nextHandle++;
tasksByHandle[id] = action;
scriptElement.onreadystatechange = function () {
runTask(id);
scriptElement.onreadystatechange = null;
scriptElement.parentNode.removeChild(scriptElement);
scriptElement = null;
};
root.document.documentElement.appendChild(scriptElement);
return id;
};
} else {
scheduleMethod = function (action) {
var id = nextHandle++;
tasksByHandle[id] = action;
localSetTimeout(function () {
runTask(id);
}, 0);
return id;
};
}
}());
/**
* Gets a scheduler that schedules work via a timed callback based upon platform.
*/
var DefaultScheduler = (function (__super__) {
inherits(DefaultScheduler, __super__);
function DefaultScheduler() {
__super__.call(this);
}
function scheduleAction(disposable, action, scheduler, state) {
return function schedule() {
disposable.setDisposable(Disposable._fixup(action(scheduler, state)));
};
}
function ClearDisposable(id) {
this._id = id;
this.isDisposed = false;
}
ClearDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
clearMethod(this._id);
}
};
function LocalClearDisposable(id) {
this._id = id;
this.isDisposed = false;
}
LocalClearDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
localClearTimeout(this._id);
}
};
DefaultScheduler.prototype.schedule = function (state, action) {
var disposable = new SingleAssignmentDisposable(),
id = scheduleMethod(scheduleAction(disposable, action, this, state));
return new BinaryDisposable(disposable, new ClearDisposable(id));
};
DefaultScheduler.prototype._scheduleFuture = function (state, dueTime, action) {
if (dueTime === 0) { return this.schedule(state, action); }
var disposable = new SingleAssignmentDisposable(),
id = localSetTimeout(scheduleAction(disposable, action, this, state), dueTime);
return new BinaryDisposable(disposable, new LocalClearDisposable(id));
};
function scheduleLongRunning(state, action, disposable) {
return function () { action(state, disposable); };
}
DefaultScheduler.prototype.scheduleLongRunning = function (state, action) {
var disposable = disposableCreate(noop);
scheduleMethod(scheduleLongRunning(state, action, disposable));
return disposable;
};
return DefaultScheduler;
}(Scheduler));
var defaultScheduler = Scheduler['default'] = Scheduler.async = new DefaultScheduler();
var CatchScheduler = (function (__super__) {
inherits(CatchScheduler, __super__);
function CatchScheduler(scheduler, handler) {
this._scheduler = scheduler;
this._handler = handler;
this._recursiveOriginal = null;
this._recursiveWrapper = null;
__super__.call(this);
}
CatchScheduler.prototype.schedule = function (state, action) {
return this._scheduler.schedule(state, this._wrap(action));
};
CatchScheduler.prototype._scheduleFuture = function (state, dueTime, action) {
return this._scheduler.schedule(state, dueTime, this._wrap(action));
};
CatchScheduler.prototype.now = function () { return this._scheduler.now(); };
CatchScheduler.prototype._clone = function (scheduler) {
return new CatchScheduler(scheduler, this._handler);
};
CatchScheduler.prototype._wrap = function (action) {
var parent = this;
return function (self, state) {
var res = tryCatch(action)(parent._getRecursiveWrapper(self), state);
if (res === errorObj) {
if (!parent._handler(res.e)) { thrower(res.e); }
return disposableEmpty;
}
return disposableFixup(res);
};
};
CatchScheduler.prototype._getRecursiveWrapper = function (scheduler) {
if (this._recursiveOriginal !== scheduler) {
this._recursiveOriginal = scheduler;
var wrapper = this._clone(scheduler);
wrapper._recursiveOriginal = scheduler;
wrapper._recursiveWrapper = wrapper;
this._recursiveWrapper = wrapper;
}
return this._recursiveWrapper;
};
CatchScheduler.prototype.schedulePeriodic = function (state, period, action) {
var self = this, failed = false, d = new SingleAssignmentDisposable();
d.setDisposable(this._scheduler.schedulePeriodic(state, period, function (state1) {
if (failed) { return null; }
var res = tryCatch(action)(state1);
if (res === errorObj) {
failed = true;
if (!self._handler(res.e)) { thrower(res.e); }
d.dispose();
return null;
}
return res;
}));
return d;
};
return CatchScheduler;
}(Scheduler));
/**
* Represents a notification to an observer.
*/
var Notification = Rx.Notification = (function () {
function Notification() {
}
Notification.prototype._accept = function (onNext, onError, onCompleted) {
throw new NotImplementedError();
};
Notification.prototype._acceptObserver = function (onNext, onError, onCompleted) {
throw new NotImplementedError();
};
/**
* Invokes the delegate corresponding to the notification or the observer's method corresponding to the notification and returns the produced result.
* @param {Function | Observer} observerOrOnNext Function to invoke for an OnNext notification or Observer to invoke the notification on..
* @param {Function} onError Function to invoke for an OnError notification.
* @param {Function} onCompleted Function to invoke for an OnCompleted notification.
* @returns {Any} Result produced by the observation.
*/
Notification.prototype.accept = function (observerOrOnNext, onError, onCompleted) {
return observerOrOnNext && typeof observerOrOnNext === 'object' ?
this._acceptObserver(observerOrOnNext) :
this._accept(observerOrOnNext, onError, onCompleted);
};
/**
* Returns an observable sequence with a single notification.
*
* @memberOf Notifications
* @param {Scheduler} [scheduler] Scheduler to send out the notification calls on.
* @returns {Observable} The observable sequence that surfaces the behavior of the notification upon subscription.
*/
Notification.prototype.toObservable = function (scheduler) {
var self = this;
isScheduler(scheduler) || (scheduler = immediateScheduler);
return new AnonymousObservable(function (o) {
return scheduler.schedule(self, function (_, notification) {
notification._acceptObserver(o);
notification.kind === 'N' && o.onCompleted();
});
});
};
return Notification;
})();
var OnNextNotification = (function (__super__) {
inherits(OnNextNotification, __super__);
function OnNextNotification(value) {
this.value = value;
this.kind = 'N';
}
OnNextNotification.prototype._accept = function (onNext) {
return onNext(this.value);
};
OnNextNotification.prototype._acceptObserver = function (o) {
return o.onNext(this.value);
};
OnNextNotification.prototype.toString = function () {
return 'OnNext(' + this.value + ')';
};
return OnNextNotification;
}(Notification));
var OnErrorNotification = (function (__super__) {
inherits(OnErrorNotification, __super__);
function OnErrorNotification(error) {
this.error = error;
this.kind = 'E';
}
OnErrorNotification.prototype._accept = function (onNext, onError) {
return onError(this.error);
};
OnErrorNotification.prototype._acceptObserver = function (o) {
return o.onError(this.error);
};
OnErrorNotification.prototype.toString = function () {
return 'OnError(' + this.error + ')';
};
return OnErrorNotification;
}(Notification));
var OnCompletedNotification = (function (__super__) {
inherits(OnCompletedNotification, __super__);
function OnCompletedNotification() {
this.kind = 'C';
}
OnCompletedNotification.prototype._accept = function (onNext, onError, onCompleted) {
return onCompleted();
};
OnCompletedNotification.prototype._acceptObserver = function (o) {
return o.onCompleted();
};
OnCompletedNotification.prototype.toString = function () {
return 'OnCompleted()';
};
return OnCompletedNotification;
}(Notification));
/**
* Creates an object that represents an OnNext notification to an observer.
* @param {Any} value The value contained in the notification.
* @returns {Notification} The OnNext notification containing the value.
*/
var notificationCreateOnNext = Notification.createOnNext = function (value) {
return new OnNextNotification(value);
};
/**
* Creates an object that represents an OnError notification to an observer.
* @param {Any} error The exception contained in the notification.
* @returns {Notification} The OnError notification containing the exception.
*/
var notificationCreateOnError = Notification.createOnError = function (error) {
return new OnErrorNotification(error);
};
/**
* Creates an object that represents an OnCompleted notification to an observer.
* @returns {Notification} The OnCompleted notification.
*/
var notificationCreateOnCompleted = Notification.createOnCompleted = function () {
return new OnCompletedNotification();
};
/**
* Supports push-style iteration over an observable sequence.
*/
var Observer = Rx.Observer = function () { };
/**
* Creates a notification callback from an observer.
* @returns The action that forwards its input notification to the underlying observer.
*/
Observer.prototype.toNotifier = function () {
var observer = this;
return function (n) { return n.accept(observer); };
};
/**
* Hides the identity of an observer.
* @returns An observer that hides the identity of the specified observer.
*/
Observer.prototype.asObserver = function () {
var self = this;
return new AnonymousObserver(
function (x) { self.onNext(x); },
function (err) { self.onError(err); },
function () { self.onCompleted(); });
};
/**
* Checks access to the observer for grammar violations. This includes checking for multiple OnError or OnCompleted calls, as well as reentrancy in any of the observer methods.
* If a violation is detected, an Error is thrown from the offending observer method call.
* @returns An observer that checks callbacks invocations against the observer grammar and, if the checks pass, forwards those to the specified observer.
*/
Observer.prototype.checked = function () { return new CheckedObserver(this); };
/**
* Creates an observer from the specified OnNext, along with optional OnError, and OnCompleted actions.
* @param {Function} [onNext] Observer's OnNext action implementation.
* @param {Function} [onError] Observer's OnError action implementation.
* @param {Function} [onCompleted] Observer's OnCompleted action implementation.
* @returns {Observer} The observer object implemented using the given actions.
*/
var observerCreate = Observer.create = function (onNext, onError, onCompleted) {
onNext || (onNext = noop);
onError || (onError = defaultError);
onCompleted || (onCompleted = noop);
return new AnonymousObserver(onNext, onError, onCompleted);
};
/**
* Creates an observer from a notification callback.
* @param {Function} handler Action that handles a notification.
* @returns The observer object that invokes the specified handler using a notification corresponding to each message it receives.
*/
Observer.fromNotifier = function (handler, thisArg) {
var cb = bindCallback(handler, thisArg, 1);
return new AnonymousObserver(function (x) {
return cb(notificationCreateOnNext(x));
}, function (e) {
return cb(notificationCreateOnError(e));
}, function () {
return cb(notificationCreateOnCompleted());
});
};
/**
* Schedules the invocation of observer methods on the given scheduler.
* @param {Scheduler} scheduler Scheduler to schedule observer messages on.
* @returns {Observer} Observer whose messages are scheduled on the given scheduler.
*/
Observer.prototype.notifyOn = function (scheduler) {
return new ObserveOnObserver(scheduler, this);
};
Observer.prototype.makeSafe = function(disposable) {
return new AnonymousSafeObserver(this._onNext, this._onError, this._onCompleted, disposable);
};
/**
* Abstract base class for implementations of the Observer class.
* This base class enforces the grammar of observers where OnError and OnCompleted are terminal messages.
*/
var AbstractObserver = Rx.internals.AbstractObserver = (function (__super__) {
inherits(AbstractObserver, __super__);
/**
* Creates a new observer in a non-stopped state.
*/
function AbstractObserver() {
this.isStopped = false;
}
// Must be implemented by other observers
AbstractObserver.prototype.next = notImplemented;
AbstractObserver.prototype.error = notImplemented;
AbstractObserver.prototype.completed = notImplemented;
/**
* Notifies the observer of a new element in the sequence.
* @param {Any} value Next element in the sequence.
*/
AbstractObserver.prototype.onNext = function (value) {
!this.isStopped && this.next(value);
};
/**
* Notifies the observer that an exception has occurred.
* @param {Any} error The error that has occurred.
*/
AbstractObserver.prototype.onError = function (error) {
if (!this.isStopped) {
this.isStopped = true;
this.error(error);
}
};
/**
* Notifies the observer of the end of the sequence.
*/
AbstractObserver.prototype.onCompleted = function () {
if (!this.isStopped) {
this.isStopped = true;
this.completed();
}
};
/**
* Disposes the observer, causing it to transition to the stopped state.
*/
AbstractObserver.prototype.dispose = function () { this.isStopped = true; };
AbstractObserver.prototype.fail = function (e) {
if (!this.isStopped) {
this.isStopped = true;
this.error(e);
return true;
}
return false;
};
return AbstractObserver;
}(Observer));
/**
* Class to create an Observer instance from delegate-based implementations of the on* methods.
*/
var AnonymousObserver = Rx.AnonymousObserver = (function (__super__) {
inherits(AnonymousObserver, __super__);
/**
* Creates an observer from the specified OnNext, OnError, and OnCompleted actions.
* @param {Any} onNext Observer's OnNext action implementation.
* @param {Any} onError Observer's OnError action implementation.
* @param {Any} onCompleted Observer's OnCompleted action implementation.
*/
function AnonymousObserver(onNext, onError, onCompleted) {
__super__.call(this);
this._onNext = onNext;
this._onError = onError;
this._onCompleted = onCompleted;
}
/**
* Calls the onNext action.
* @param {Any} value Next element in the sequence.
*/
AnonymousObserver.prototype.next = function (value) {
this._onNext(value);
};
/**
* Calls the onError action.
* @param {Any} error The error that has occurred.
*/
AnonymousObserver.prototype.error = function (error) {
this._onError(error);
};
/**
* Calls the onCompleted action.
*/
AnonymousObserver.prototype.completed = function () {
this._onCompleted();
};
return AnonymousObserver;
}(AbstractObserver));
var CheckedObserver = (function (__super__) {
inherits(CheckedObserver, __super__);
function CheckedObserver(observer) {
__super__.call(this);
this._observer = observer;
this._state = 0; // 0 - idle, 1 - busy, 2 - done
}
var CheckedObserverPrototype = CheckedObserver.prototype;
CheckedObserverPrototype.onNext = function (value) {
this.checkAccess();
var res = tryCatch(this._observer.onNext).call(this._observer, value);
this._state = 0;
res === errorObj && thrower(res.e);
};
CheckedObserverPrototype.onError = function (err) {
this.checkAccess();
var res = tryCatch(this._observer.onError).call(this._observer, err);
this._state = 2;
res === errorObj && thrower(res.e);
};
CheckedObserverPrototype.onCompleted = function () {
this.checkAccess();
var res = tryCatch(this._observer.onCompleted).call(this._observer);
this._state = 2;
res === errorObj && thrower(res.e);
};
CheckedObserverPrototype.checkAccess = function () {
if (this._state === 1) { throw new Error('Re-entrancy detected'); }
if (this._state === 2) { throw new Error('Observer completed'); }
if (this._state === 0) { this._state = 1; }
};
return CheckedObserver;
}(Observer));
var ScheduledObserver = Rx.internals.ScheduledObserver = (function (__super__) {
inherits(ScheduledObserver, __super__);
function ScheduledObserver(scheduler, observer) {
__super__.call(this);
this.scheduler = scheduler;
this.observer = observer;
this.isAcquired = false;
this.hasFaulted = false;
this.queue = [];
this.disposable = new SerialDisposable();
}
function enqueueNext(observer, x) { return function () { observer.onNext(x); }; }
function enqueueError(observer, e) { return function () { observer.onError(e); }; }
function enqueueCompleted(observer) { return function () { observer.onCompleted(); }; }
ScheduledObserver.prototype.next = function (x) {
this.queue.push(enqueueNext(this.observer, x));
};
ScheduledObserver.prototype.error = function (e) {
this.queue.push(enqueueError(this.observer, e));
};
ScheduledObserver.prototype.completed = function () {
this.queue.push(enqueueCompleted(this.observer));
};
function scheduleMethod(state, recurse) {
var work;
if (state.queue.length > 0) {
work = state.queue.shift();
} else {
state.isAcquired = false;
return;
}
var res = tryCatch(work)();
if (res === errorObj) {
state.queue = [];
state.hasFaulted = true;
return thrower(res.e);
}
recurse(state);
}
ScheduledObserver.prototype.ensureActive = function () {
var isOwner = false;
if (!this.hasFaulted && this.queue.length > 0) {
isOwner = !this.isAcquired;
this.isAcquired = true;
}
isOwner &&
this.disposable.setDisposable(this.scheduler.scheduleRecursive(this, scheduleMethod));
};
ScheduledObserver.prototype.dispose = function () {
__super__.prototype.dispose.call(this);
this.disposable.dispose();
};
return ScheduledObserver;
}(AbstractObserver));
var ObserveOnObserver = (function (__super__) {
inherits(ObserveOnObserver, __super__);
function ObserveOnObserver(scheduler, observer, cancel) {
__super__.call(this, scheduler, observer);
this._cancel = cancel;
}
ObserveOnObserver.prototype.next = function (value) {
__super__.prototype.next.call(this, value);
this.ensureActive();
};
ObserveOnObserver.prototype.error = function (e) {
__super__.prototype.error.call(this, e);
this.ensureActive();
};
ObserveOnObserver.prototype.completed = function () {
__super__.prototype.completed.call(this);
this.ensureActive();
};
ObserveOnObserver.prototype.dispose = function () {
__super__.prototype.dispose.call(this);
this._cancel && this._cancel.dispose();
this._cancel = null;
};
return ObserveOnObserver;
})(ScheduledObserver);
var observableProto;
/**
* Represents a push-style collection.
*/
var Observable = Rx.Observable = (function () {
function makeSubscribe(self, subscribe) {
return function (o) {
var oldOnError = o.onError;
o.onError = function (e) {
makeStackTraceLong(e, self);
oldOnError.call(o, e);
};
return subscribe.call(self, o);
};
}
function Observable() {
if (Rx.config.longStackSupport && hasStacks) {
var oldSubscribe = this._subscribe;
var e = tryCatch(thrower)(new Error()).e;
this.stack = e.stack.substring(e.stack.indexOf('\n') + 1);
this._subscribe = makeSubscribe(this, oldSubscribe);
}
}
observableProto = Observable.prototype;
/**
* Determines whether the given object is an Observable
* @param {Any} An object to determine whether it is an Observable
* @returns {Boolean} true if an Observable, else false.
*/
Observable.isObservable = function (o) {
return o && isFunction(o.subscribe);
};
/**
* Subscribes an o to the observable sequence.
* @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
* @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
* @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
* @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
*/
observableProto.subscribe = observableProto.forEach = function (oOrOnNext, onError, onCompleted) {
return this._subscribe(typeof oOrOnNext === 'object' ?
oOrOnNext :
observerCreate(oOrOnNext, onError, onCompleted));
};
/**
* Subscribes to the next value in the sequence with an optional "this" argument.
* @param {Function} onNext The function to invoke on each element in the observable sequence.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
*/
observableProto.subscribeOnNext = function (onNext, thisArg) {
return this._subscribe(observerCreate(typeof thisArg !== 'undefined' ? function(x) { onNext.call(thisArg, x); } : onNext));
};
/**
* Subscribes to an exceptional condition in the sequence with an optional "this" argument.
* @param {Function} onError The function to invoke upon exceptional termination of the observable sequence.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
*/
observableProto.subscribeOnError = function (onError, thisArg) {
return this._subscribe(observerCreate(null, typeof thisArg !== 'undefined' ? function(e) { onError.call(thisArg, e); } : onError));
};
/**
* Subscribes to the next value in the sequence with an optional "this" argument.
* @param {Function} onCompleted The function to invoke upon graceful termination of the observable sequence.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
*/
observableProto.subscribeOnCompleted = function (onCompleted, thisArg) {
return this._subscribe(observerCreate(null, null, typeof thisArg !== 'undefined' ? function() { onCompleted.call(thisArg); } : onCompleted));
};
return Observable;
})();
var ObservableBase = Rx.ObservableBase = (function (__super__) {
inherits(ObservableBase, __super__);
function fixSubscriber(subscriber) {
return subscriber && isFunction(subscriber.dispose) ? subscriber :
isFunction(subscriber) ? disposableCreate(subscriber) : disposableEmpty;
}
function setDisposable(s, state) {
var ado = state[0], self = state[1];
var sub = tryCatch(self.subscribeCore).call(self, ado);
if (sub === errorObj && !ado.fail(errorObj.e)) { thrower(errorObj.e); }
ado.setDisposable(fixSubscriber(sub));
}
function ObservableBase() {
__super__.call(this);
}
ObservableBase.prototype._subscribe = function (o) {
var ado = new AutoDetachObserver(o), state = [ado, this];
if (currentThreadScheduler.scheduleRequired()) {
currentThreadScheduler.schedule(state, setDisposable);
} else {
setDisposable(null, state);
}
return ado;
};
ObservableBase.prototype.subscribeCore = notImplemented;
return ObservableBase;
}(Observable));
var FlatMapObservable = Rx.FlatMapObservable = (function(__super__) {
inherits(FlatMapObservable, __super__);
function FlatMapObservable(source, selector, resultSelector, thisArg) {
this.resultSelector = isFunction(resultSelector) ? resultSelector : null;
this.selector = bindCallback(isFunction(selector) ? selector : function() { return selector; }, thisArg, 3);
this.source = source;
__super__.call(this);
}
FlatMapObservable.prototype.subscribeCore = function(o) {
return this.source.subscribe(new InnerObserver(o, this.selector, this.resultSelector, this));
};
inherits(InnerObserver, AbstractObserver);
function InnerObserver(observer, selector, resultSelector, source) {
this.i = 0;
this.selector = selector;
this.resultSelector = resultSelector;
this.source = source;
this.o = observer;
AbstractObserver.call(this);
}
InnerObserver.prototype._wrapResult = function(result, x, i) {
return this.resultSelector ?
result.map(function(y, i2) { return this.resultSelector(x, y, i, i2); }, this) :
result;
};
InnerObserver.prototype.next = function(x) {
var i = this.i++;
var result = tryCatch(this.selector)(x, i, this.source);
if (result === errorObj) { return this.o.onError(result.e); }
isPromise(result) && (result = observableFromPromise(result));
(isArrayLike(result) || isIterable(result)) && (result = Observable.from(result));
this.o.onNext(this._wrapResult(result, x, i));
};
InnerObserver.prototype.error = function(e) { this.o.onError(e); };
InnerObserver.prototype.completed = function() { this.o.onCompleted(); };
return FlatMapObservable;
}(ObservableBase));
var Enumerable = Rx.internals.Enumerable = function () { };
function IsDisposedDisposable(state) {
this._s = state;
this.isDisposed = false;
}
IsDisposedDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
this.isDisposed = true;
this._s.isDisposed = true;
}
};
var ConcatEnumerableObservable = (function(__super__) {
inherits(ConcatEnumerableObservable, __super__);
function ConcatEnumerableObservable(sources) {
this.sources = sources;
__super__.call(this);
}
function scheduleMethod(state, recurse) {
if (state.isDisposed) { return; }
var currentItem = tryCatch(state.e.next).call(state.e);
if (currentItem === errorObj) { return state.o.onError(currentItem.e); }
if (currentItem.done) { return state.o.onCompleted(); }
// Check if promise
var currentValue = currentItem.value;
isPromise(currentValue) && (currentValue = observableFromPromise(currentValue));
var d = new SingleAssignmentDisposable();
state.subscription.setDisposable(d);
d.setDisposable(currentValue.subscribe(new InnerObserver(state, recurse)));
}
ConcatEnumerableObservable.prototype.subscribeCore = function (o) {
var subscription = new SerialDisposable();
var state = {
isDisposed: false,
o: o,
subscription: subscription,
e: this.sources[$iterator$]()
};
var cancelable = currentThreadScheduler.scheduleRecursive(state, scheduleMethod);
return new NAryDisposable([subscription, cancelable, new IsDisposedDisposable(state)]);
};
function InnerObserver(state, recurse) {
this._state = state;
this._recurse = recurse;
AbstractObserver.call(this);
}
inherits(InnerObserver, AbstractObserver);
InnerObserver.prototype.next = function (x) { this._state.o.onNext(x); };
InnerObserver.prototype.error = function (e) { this._state.o.onError(e); };
InnerObserver.prototype.completed = function () { this._recurse(this._state); };
return ConcatEnumerableObservable;
}(ObservableBase));
Enumerable.prototype.concat = function () {
return new ConcatEnumerableObservable(this);
};
var CatchErrorObservable = (function(__super__) {
function CatchErrorObservable(sources) {
this.sources = sources;
__super__.call(this);
}
inherits(CatchErrorObservable, __super__);
function scheduleMethod(state, recurse) {
if (state.isDisposed) { return; }
var currentItem = tryCatch(state.e.next).call(state.e);
if (currentItem === errorObj) { return state.o.onError(currentItem.e); }
if (currentItem.done) { return state.lastError !== null ? state.o.onError(state.lastError) : state.o.onCompleted(); }
var currentValue = currentItem.value;
isPromise(currentValue) && (currentValue = observableFromPromise(currentValue));
var d = new SingleAssignmentDisposable();
state.subscription.setDisposable(d);
d.setDisposable(currentValue.subscribe(new InnerObserver(state, recurse)));
}
CatchErrorObservable.prototype.subscribeCore = function (o) {
var subscription = new SerialDisposable();
var state = {
isDisposed: false,
e: this.sources[$iterator$](),
subscription: subscription,
lastError: null,
o: o
};
var cancelable = currentThreadScheduler.scheduleRecursive(state, scheduleMethod);
return new NAryDisposable([subscription, cancelable, new IsDisposedDisposable(state)]);
};
function InnerObserver(state, recurse) {
this._state = state;
this._recurse = recurse;
AbstractObserver.call(this);
}
inherits(InnerObserver, AbstractObserver);
InnerObserver.prototype.next = function (x) { this._state.o.onNext(x); };
InnerObserver.prototype.error = function (e) { this._state.lastError = e; this._recurse(this._state); };
InnerObserver.prototype.completed = function () { this._state.o.onCompleted(); };
return CatchErrorObservable;
}(ObservableBase));
Enumerable.prototype.catchError = function () {
return new CatchErrorObservable(this);
};
var RepeatEnumerable = (function (__super__) {
inherits(RepeatEnumerable, __super__);
function RepeatEnumerable(v, c) {
this.v = v;
this.c = c == null ? -1 : c;
}
RepeatEnumerable.prototype[$iterator$] = function () {
return new RepeatEnumerator(this);
};
function RepeatEnumerator(p) {
this.v = p.v;
this.l = p.c;
}
RepeatEnumerator.prototype.next = function () {
if (this.l === 0) { return doneEnumerator; }
if (this.l > 0) { this.l--; }
return { done: false, value: this.v };
};
return RepeatEnumerable;
}(Enumerable));
var enumerableRepeat = Enumerable.repeat = function (value, repeatCount) {
return new RepeatEnumerable(value, repeatCount);
};
var OfEnumerable = (function(__super__) {
inherits(OfEnumerable, __super__);
function OfEnumerable(s, fn, thisArg) {
this.s = s;
this.fn = fn ? bindCallback(fn, thisArg, 3) : null;
}
OfEnumerable.prototype[$iterator$] = function () {
return new OfEnumerator(this);
};
function OfEnumerator(p) {
this.i = -1;
this.s = p.s;
this.l = this.s.length;
this.fn = p.fn;
}
OfEnumerator.prototype.next = function () {
return ++this.i < this.l ?
{ done: false, value: !this.fn ? this.s[this.i] : this.fn(this.s[this.i], this.i, this.s) } :
doneEnumerator;
};
return OfEnumerable;
}(Enumerable));
var enumerableOf = Enumerable.of = function (source, selector, thisArg) {
return new OfEnumerable(source, selector, thisArg);
};
var ObserveOnObservable = (function (__super__) {
inherits(ObserveOnObservable, __super__);
function ObserveOnObservable(source, s) {
this.source = source;
this._s = s;
__super__.call(this);
}
ObserveOnObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new ObserveOnObserver(this._s, o));
};
return ObserveOnObservable;
}(ObservableBase));
/**
* Wraps the source sequence in order to run its observer callbacks on the specified scheduler.
*
* This only invokes observer callbacks on a scheduler. In case the subscription and/or unsubscription actions have side-effects
* that require to be run on a scheduler, use subscribeOn.
*
* @param {Scheduler} scheduler Scheduler to notify observers on.
* @returns {Observable} The source sequence whose observations happen on the specified scheduler.
*/
observableProto.observeOn = function (scheduler) {
return new ObserveOnObservable(this, scheduler);
};
var SubscribeOnObservable = (function (__super__) {
inherits(SubscribeOnObservable, __super__);
function SubscribeOnObservable(source, s) {
this.source = source;
this._s = s;
__super__.call(this);
}
function scheduleMethod(scheduler, state) {
var source = state[0], d = state[1], o = state[2];
d.setDisposable(new ScheduledDisposable(scheduler, source.subscribe(o)));
}
SubscribeOnObservable.prototype.subscribeCore = function (o) {
var m = new SingleAssignmentDisposable(), d = new SerialDisposable();
d.setDisposable(m);
m.setDisposable(this._s.schedule([this.source, d, o], scheduleMethod));
return d;
};
return SubscribeOnObservable;
}(ObservableBase));
/**
* Wraps the source sequence in order to run its subscription and unsubscription logic on the specified scheduler. This operation is not commonly used;
* see the remarks section for more information on the distinction between subscribeOn and observeOn.
* This only performs the side-effects of subscription and unsubscription on the specified scheduler. In order to invoke observer
* callbacks on a scheduler, use observeOn.
* @param {Scheduler} scheduler Scheduler to perform subscription and unsubscription actions on.
* @returns {Observable} The source sequence whose subscriptions and unsubscriptions happen on the specified scheduler.
*/
observableProto.subscribeOn = function (scheduler) {
return new SubscribeOnObservable(this, scheduler);
};
var FromPromiseObservable = (function(__super__) {
inherits(FromPromiseObservable, __super__);
function FromPromiseObservable(p, s) {
this._p = p;
this._s = s;
__super__.call(this);
}
function scheduleNext(s, state) {
var o = state[0], data = state[1];
o.onNext(data);
o.onCompleted();
}
function scheduleError(s, state) {
var o = state[0], err = state[1];
o.onError(err);
}
FromPromiseObservable.prototype.subscribeCore = function(o) {
var sad = new SingleAssignmentDisposable(), self = this, p = this._p;
if (isFunction(p)) {
p = tryCatch(p)();
if (p === errorObj) {
o.onError(p.e);
return sad;
}
}
p
.then(function (data) {
sad.setDisposable(self._s.schedule([o, data], scheduleNext));
}, function (err) {
sad.setDisposable(self._s.schedule([o, err], scheduleError));
});
return sad;
};
return FromPromiseObservable;
}(ObservableBase));
/**
* Converts a Promise to an Observable sequence
* @param {Promise} An ES6 Compliant promise.
* @returns {Observable} An Observable sequence which wraps the existing promise success and failure.
*/
var observableFromPromise = Observable.fromPromise = function (promise, scheduler) {
scheduler || (scheduler = defaultScheduler);
return new FromPromiseObservable(promise, scheduler);
};
/*
* Converts an existing observable sequence to an ES6 Compatible Promise
* @example
* var promise = Rx.Observable.return(42).toPromise(RSVP.Promise);
*
* // With config
* Rx.config.Promise = RSVP.Promise;
* var promise = Rx.Observable.return(42).toPromise();
* @param {Function} [promiseCtor] The constructor of the promise. If not provided, it looks for it in Rx.config.Promise.
* @returns {Promise} An ES6 compatible promise with the last value from the observable sequence.
*/
observableProto.toPromise = function (promiseCtor) {
promiseCtor || (promiseCtor = Rx.config.Promise);
if (!promiseCtor) { throw new NotSupportedError('Promise type not provided nor in Rx.config.Promise'); }
var source = this;
return new promiseCtor(function (resolve, reject) {
// No cancellation can be done
var value;
source.subscribe(function (v) {
value = v;
}, reject, function () {
resolve(value);
});
});
};
var ToArrayObservable = (function(__super__) {
inherits(ToArrayObservable, __super__);
function ToArrayObservable(source) {
this.source = source;
__super__.call(this);
}
ToArrayObservable.prototype.subscribeCore = function(o) {
return this.source.subscribe(new InnerObserver(o));
};
inherits(InnerObserver, AbstractObserver);
function InnerObserver(o) {
this.o = o;
this.a = [];
AbstractObserver.call(this);
}
InnerObserver.prototype.next = function (x) { this.a.push(x); };
InnerObserver.prototype.error = function (e) { this.o.onError(e); };
InnerObserver.prototype.completed = function () { this.o.onNext(this.a); this.o.onCompleted(); };
return ToArrayObservable;
}(ObservableBase));
/**
* Creates an array from an observable sequence.
* @returns {Observable} An observable sequence containing a single element with a list containing all the elements of the source sequence.
*/
observableProto.toArray = function () {
return new ToArrayObservable(this);
};
/**
* Creates an observable sequence from a specified subscribe method implementation.
* @example
* var res = Rx.Observable.create(function (observer) { return function () { } );
* var res = Rx.Observable.create(function (observer) { return Rx.Disposable.empty; } );
* var res = Rx.Observable.create(function (observer) { } );
* @param {Function} subscribe Implementation of the resulting observable sequence's subscribe method, returning a function that will be wrapped in a Disposable.
* @returns {Observable} The observable sequence with the specified implementation for the Subscribe method.
*/
Observable.create = function (subscribe, parent) {
return new AnonymousObservable(subscribe, parent);
};
var Defer = (function(__super__) {
inherits(Defer, __super__);
function Defer(factory) {
this._f = factory;
__super__.call(this);
}
Defer.prototype.subscribeCore = function (o) {
var result = tryCatch(this._f)();
if (result === errorObj) { return observableThrow(result.e).subscribe(o);}
isPromise(result) && (result = observableFromPromise(result));
return result.subscribe(o);
};
return Defer;
}(ObservableBase));
/**
* Returns an observable sequence that invokes the specified factory function whenever a new observer subscribes.
*
* @example
* var res = Rx.Observable.defer(function () { return Rx.Observable.fromArray([1,2,3]); });
* @param {Function} observableFactory Observable factory function to invoke for each observer that subscribes to the resulting sequence or Promise.
* @returns {Observable} An observable sequence whose observers trigger an invocation of the given observable factory function.
*/
var observableDefer = Observable.defer = function (observableFactory) {
return new Defer(observableFactory);
};
var EmptyObservable = (function(__super__) {
inherits(EmptyObservable, __super__);
function EmptyObservable(scheduler) {
this.scheduler = scheduler;
__super__.call(this);
}
EmptyObservable.prototype.subscribeCore = function (observer) {
var sink = new EmptySink(observer, this.scheduler);
return sink.run();
};
function EmptySink(observer, scheduler) {
this.observer = observer;
this.scheduler = scheduler;
}
function scheduleItem(s, state) {
state.onCompleted();
return disposableEmpty;
}
EmptySink.prototype.run = function () {
var state = this.observer;
return this.scheduler === immediateScheduler ?
scheduleItem(null, state) :
this.scheduler.schedule(state, scheduleItem);
};
return EmptyObservable;
}(ObservableBase));
var EMPTY_OBSERVABLE = new EmptyObservable(immediateScheduler);
/**
* Returns an empty observable sequence, using the specified scheduler to send out the single OnCompleted message.
*
* @example
* var res = Rx.Observable.empty();
* var res = Rx.Observable.empty(Rx.Scheduler.timeout);
* @param {Scheduler} [scheduler] Scheduler to send the termination call on.
* @returns {Observable} An observable sequence with no elements.
*/
var observableEmpty = Observable.empty = function (scheduler) {
isScheduler(scheduler) || (scheduler = immediateScheduler);
return scheduler === immediateScheduler ? EMPTY_OBSERVABLE : new EmptyObservable(scheduler);
};
var FromObservable = (function(__super__) {
inherits(FromObservable, __super__);
function FromObservable(iterable, fn, scheduler) {
this._iterable = iterable;
this._fn = fn;
this._scheduler = scheduler;
__super__.call(this);
}
function createScheduleMethod(o, it, fn) {
return function loopRecursive(i, recurse) {
var next = tryCatch(it.next).call(it);
if (next === errorObj) { return o.onError(next.e); }
if (next.done) { return o.onCompleted(); }
var result = next.value;
if (isFunction(fn)) {
result = tryCatch(fn)(result, i);
if (result === errorObj) { return o.onError(result.e); }
}
o.onNext(result);
recurse(i + 1);
};
}
FromObservable.prototype.subscribeCore = function (o) {
var list = Object(this._iterable),
it = getIterable(list);
return this._scheduler.scheduleRecursive(0, createScheduleMethod(o, it, this._fn));
};
return FromObservable;
}(ObservableBase));
var maxSafeInteger = Math.pow(2, 53) - 1;
function StringIterable(s) {
this._s = s;
}
StringIterable.prototype[$iterator$] = function () {
return new StringIterator(this._s);
};
function StringIterator(s) {
this._s = s;
this._l = s.length;
this._i = 0;
}
StringIterator.prototype[$iterator$] = function () {
return this;
};
StringIterator.prototype.next = function () {
return this._i < this._l ? { done: false, value: this._s.charAt(this._i++) } : doneEnumerator;
};
function ArrayIterable(a) {
this._a = a;
}
ArrayIterable.prototype[$iterator$] = function () {
return new ArrayIterator(this._a);
};
function ArrayIterator(a) {
this._a = a;
this._l = toLength(a);
this._i = 0;
}
ArrayIterator.prototype[$iterator$] = function () {
return this;
};
ArrayIterator.prototype.next = function () {
return this._i < this._l ? { done: false, value: this._a[this._i++] } : doneEnumerator;
};
function numberIsFinite(value) {
return typeof value === 'number' && root.isFinite(value);
}
function isNan(n) {
return n !== n;
}
function getIterable(o) {
var i = o[$iterator$], it;
if (!i && typeof o === 'string') {
it = new StringIterable(o);
return it[$iterator$]();
}
if (!i && o.length !== undefined) {
it = new ArrayIterable(o);
return it[$iterator$]();
}
if (!i) { throw new TypeError('Object is not iterable'); }
return o[$iterator$]();
}
function sign(value) {
var number = +value;
if (number === 0) { return number; }
if (isNaN(number)) { return number; }
return number < 0 ? -1 : 1;
}
function toLength(o) {
var len = +o.length;
if (isNaN(len)) { return 0; }
if (len === 0 || !numberIsFinite(len)) { return len; }
len = sign(len) * Math.floor(Math.abs(len));
if (len <= 0) { return 0; }
if (len > maxSafeInteger) { return maxSafeInteger; }
return len;
}
/**
* This method creates a new Observable sequence from an array-like or iterable object.
* @param {Any} arrayLike An array-like or iterable object to convert to an Observable sequence.
* @param {Function} [mapFn] Map function to call on every element of the array.
* @param {Any} [thisArg] The context to use calling the mapFn if provided.
* @param {Scheduler} [scheduler] Optional scheduler to use for scheduling. If not provided, defaults to Scheduler.currentThread.
*/
var observableFrom = Observable.from = function (iterable, mapFn, thisArg, scheduler) {
if (iterable == null) {
throw new Error('iterable cannot be null.')
}
if (mapFn && !isFunction(mapFn)) {
throw new Error('mapFn when provided must be a function');
}
if (mapFn) {
var mapper = bindCallback(mapFn, thisArg, 2);
}
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new FromObservable(iterable, mapper, scheduler);
}
var FromArrayObservable = (function(__super__) {
inherits(FromArrayObservable, __super__);
function FromArrayObservable(args, scheduler) {
this._args = args;
this._scheduler = scheduler;
__super__.call(this);
}
function scheduleMethod(o, args) {
var len = args.length;
return function loopRecursive (i, recurse) {
if (i < len) {
o.onNext(args[i]);
recurse(i + 1);
} else {
o.onCompleted();
}
};
}
FromArrayObservable.prototype.subscribeCore = function (o) {
return this._scheduler.scheduleRecursive(0, scheduleMethod(o, this._args));
};
return FromArrayObservable;
}(ObservableBase));
/**
* Converts an array to an observable sequence, using an optional scheduler to enumerate the array.
* @deprecated use Observable.from or Observable.of
* @param {Scheduler} [scheduler] Scheduler to run the enumeration of the input sequence on.
* @returns {Observable} The observable sequence whose elements are pulled from the given enumerable sequence.
*/
var observableFromArray = Observable.fromArray = function (array, scheduler) {
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new FromArrayObservable(array, scheduler)
};
var GenerateObservable = (function (__super__) {
inherits(GenerateObservable, __super__);
function GenerateObservable(state, cndFn, itrFn, resFn, s) {
this._initialState = state;
this._cndFn = cndFn;
this._itrFn = itrFn;
this._resFn = resFn;
this._s = s;
__super__.call(this);
}
function scheduleRecursive(state, recurse) {
if (state.first) {
state.first = false;
} else {
state.newState = tryCatch(state.self._itrFn)(state.newState);
if (state.newState === errorObj) { return state.o.onError(state.newState.e); }
}
var hasResult = tryCatch(state.self._cndFn)(state.newState);
if (hasResult === errorObj) { return state.o.onError(hasResult.e); }
if (hasResult) {
var result = tryCatch(state.self._resFn)(state.newState);
if (result === errorObj) { return state.o.onError(result.e); }
state.o.onNext(result);
recurse(state);
} else {
state.o.onCompleted();
}
}
GenerateObservable.prototype.subscribeCore = function (o) {
var state = {
o: o,
self: this,
first: true,
newState: this._initialState
};
return this._s.scheduleRecursive(state, scheduleRecursive);
};
return GenerateObservable;
}(ObservableBase));
/**
* Generates an observable sequence by running a state-driven loop producing the sequence's elements, using the specified scheduler to send out observer messages.
*
* @example
* var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; });
* var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; }, Rx.Scheduler.timeout);
* @param {Mixed} initialState Initial state.
* @param {Function} condition Condition to terminate generation (upon returning false).
* @param {Function} iterate Iteration step function.
* @param {Function} resultSelector Selector function for results produced in the sequence.
* @param {Scheduler} [scheduler] Scheduler on which to run the generator loop. If not provided, defaults to Scheduler.currentThread.
* @returns {Observable} The generated sequence.
*/
Observable.generate = function (initialState, condition, iterate, resultSelector, scheduler) {
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new GenerateObservable(initialState, condition, iterate, resultSelector, scheduler);
};
function observableOf (scheduler, array) {
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new FromArrayObservable(array, scheduler);
}
/**
* This method creates a new Observable instance with a variable number of arguments, regardless of number or type of the arguments.
* @returns {Observable} The observable sequence whose elements are pulled from the given arguments.
*/
Observable.of = function () {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
return new FromArrayObservable(args, currentThreadScheduler);
};
/**
* This method creates a new Observable instance with a variable number of arguments, regardless of number or type of the arguments.
* @param {Scheduler} scheduler A scheduler to use for scheduling the arguments.
* @returns {Observable} The observable sequence whose elements are pulled from the given arguments.
*/
Observable.ofWithScheduler = function (scheduler) {
var len = arguments.length, args = new Array(len - 1);
for(var i = 1; i < len; i++) { args[i - 1] = arguments[i]; }
return new FromArrayObservable(args, scheduler);
};
/**
* Creates an Observable sequence from changes to an array using Array.observe.
* @param {Array} array An array to observe changes.
* @returns {Observable} An observable sequence containing changes to an array from Array.observe.
*/
Observable.ofArrayChanges = function(array) {
if (!Array.isArray(array)) { throw new TypeError('Array.observe only accepts arrays.'); }
if (typeof Array.observe !== 'function' && typeof Array.unobserve !== 'function') { throw new TypeError('Array.observe is not supported on your platform') }
return new AnonymousObservable(function(observer) {
function observerFn(changes) {
for(var i = 0, len = changes.length; i < len; i++) {
observer.onNext(changes[i]);
}
}
Array.observe(array, observerFn);
return function () {
Array.unobserve(array, observerFn);
};
});
};
/**
* Creates an Observable sequence from changes to an object using Object.observe.
* @param {Object} obj An object to observe changes.
* @returns {Observable} An observable sequence containing changes to an object from Object.observe.
*/
Observable.ofObjectChanges = function(obj) {
if (obj == null) { throw new TypeError('object must not be null or undefined.'); }
if (typeof Object.observe !== 'function' && typeof Object.unobserve !== 'function') { throw new TypeError('Object.observe is not supported on your platform') }
return new AnonymousObservable(function(observer) {
function observerFn(changes) {
for(var i = 0, len = changes.length; i < len; i++) {
observer.onNext(changes[i]);
}
}
Object.observe(obj, observerFn);
return function () {
Object.unobserve(obj, observerFn);
};
});
};
var NeverObservable = (function(__super__) {
inherits(NeverObservable, __super__);
function NeverObservable() {
__super__.call(this);
}
NeverObservable.prototype.subscribeCore = function (observer) {
return disposableEmpty;
};
return NeverObservable;
}(ObservableBase));
var NEVER_OBSERVABLE = new NeverObservable();
/**
* Returns a non-terminating observable sequence, which can be used to denote an infinite duration (e.g. when using reactive joins).
* @returns {Observable} An observable sequence whose observers will never get called.
*/
var observableNever = Observable.never = function () {
return NEVER_OBSERVABLE;
};
var PairsObservable = (function(__super__) {
inherits(PairsObservable, __super__);
function PairsObservable(o, scheduler) {
this._o = o;
this._keys = Object.keys(o);
this._scheduler = scheduler;
__super__.call(this);
}
function scheduleMethod(o, obj, keys) {
return function loopRecursive(i, recurse) {
if (i < keys.length) {
var key = keys[i];
o.onNext([key, obj[key]]);
recurse(i + 1);
} else {
o.onCompleted();
}
};
}
PairsObservable.prototype.subscribeCore = function (o) {
return this._scheduler.scheduleRecursive(0, scheduleMethod(o, this._o, this._keys));
};
return PairsObservable;
}(ObservableBase));
/**
* Convert an object into an observable sequence of [key, value] pairs.
* @param {Object} obj The object to inspect.
* @param {Scheduler} [scheduler] Scheduler to run the enumeration of the input sequence on.
* @returns {Observable} An observable sequence of [key, value] pairs from the object.
*/
Observable.pairs = function (obj, scheduler) {
scheduler || (scheduler = currentThreadScheduler);
return new PairsObservable(obj, scheduler);
};
var RangeObservable = (function(__super__) {
inherits(RangeObservable, __super__);
function RangeObservable(start, count, scheduler) {
this.start = start;
this.rangeCount = count;
this.scheduler = scheduler;
__super__.call(this);
}
function loopRecursive(start, count, o) {
return function loop (i, recurse) {
if (i < count) {
o.onNext(start + i);
recurse(i + 1);
} else {
o.onCompleted();
}
};
}
RangeObservable.prototype.subscribeCore = function (o) {
return this.scheduler.scheduleRecursive(
0,
loopRecursive(this.start, this.rangeCount, o)
);
};
return RangeObservable;
}(ObservableBase));
/**
* Generates an observable sequence of integral numbers within a specified range, using the specified scheduler to send out observer messages.
* @param {Number} start The value of the first integer in the sequence.
* @param {Number} count The number of sequential integers to generate.
* @param {Scheduler} [scheduler] Scheduler to run the generator loop on. If not specified, defaults to Scheduler.currentThread.
* @returns {Observable} An observable sequence that contains a range of sequential integral numbers.
*/
Observable.range = function (start, count, scheduler) {
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new RangeObservable(start, count, scheduler);
};
var RepeatObservable = (function(__super__) {
inherits(RepeatObservable, __super__);
function RepeatObservable(value, repeatCount, scheduler) {
this.value = value;
this.repeatCount = repeatCount == null ? -1 : repeatCount;
this.scheduler = scheduler;
__super__.call(this);
}
RepeatObservable.prototype.subscribeCore = function (observer) {
var sink = new RepeatSink(observer, this);
return sink.run();
};
return RepeatObservable;
}(ObservableBase));
function RepeatSink(observer, parent) {
this.observer = observer;
this.parent = parent;
}
RepeatSink.prototype.run = function () {
var observer = this.observer, value = this.parent.value;
function loopRecursive(i, recurse) {
if (i === -1 || i > 0) {
observer.onNext(value);
i > 0 && i--;
}
if (i === 0) { return observer.onCompleted(); }
recurse(i);
}
return this.parent.scheduler.scheduleRecursive(this.parent.repeatCount, loopRecursive);
};
/**
* Generates an observable sequence that repeats the given element the specified number of times, using the specified scheduler to send out observer messages.
* @param {Mixed} value Element to repeat.
* @param {Number} repeatCount [Optiona] Number of times to repeat the element. If not specified, repeats indefinitely.
* @param {Scheduler} scheduler Scheduler to run the producer loop on. If not specified, defaults to Scheduler.immediate.
* @returns {Observable} An observable sequence that repeats the given element the specified number of times.
*/
Observable.repeat = function (value, repeatCount, scheduler) {
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new RepeatObservable(value, repeatCount, scheduler);
};
var JustObservable = (function(__super__) {
inherits(JustObservable, __super__);
function JustObservable(value, scheduler) {
this._value = value;
this._scheduler = scheduler;
__super__.call(this);
}
JustObservable.prototype.subscribeCore = function (o) {
var state = [this._value, o];
return this._scheduler === immediateScheduler ?
scheduleItem(null, state) :
this._scheduler.schedule(state, scheduleItem);
};
function scheduleItem(s, state) {
var value = state[0], observer = state[1];
observer.onNext(value);
observer.onCompleted();
return disposableEmpty;
}
return JustObservable;
}(ObservableBase));
/**
* Returns an observable sequence that contains a single element, using the specified scheduler to send out observer messages.
* There is an alias called 'just' or browsers 0) {
this.parent.handleSubscribe(this.parent.q.shift());
} else {
this.parent.activeCount--;
this.parent.done && this.parent.activeCount === 0 && this.parent.o.onCompleted();
}
};
return MergeObserver;
}(AbstractObserver));
/**
* Merges an observable sequence of observable sequences into an observable sequence, limiting the number of concurrent subscriptions to inner sequences.
* Or merges two observable sequences into a single observable sequence.
* @param {Mixed} [maxConcurrentOrOther] Maximum number of inner observable sequences being subscribed to concurrently or the second observable sequence.
* @returns {Observable} The observable sequence that merges the elements of the inner sequences.
*/
observableProto.merge = function (maxConcurrentOrOther) {
return typeof maxConcurrentOrOther !== 'number' ?
observableMerge(this, maxConcurrentOrOther) :
new MergeObservable(this, maxConcurrentOrOther);
};
/**
* Merges all the observable sequences into a single observable sequence.
* The scheduler is optional and if not specified, the immediate scheduler is used.
* @returns {Observable} The observable sequence that merges the elements of the observable sequences.
*/
var observableMerge = Observable.merge = function () {
var scheduler, sources = [], i, len = arguments.length;
if (!arguments[0]) {
scheduler = immediateScheduler;
for(i = 1; i < len; i++) { sources.push(arguments[i]); }
} else if (isScheduler(arguments[0])) {
scheduler = arguments[0];
for(i = 1; i < len; i++) { sources.push(arguments[i]); }
} else {
scheduler = immediateScheduler;
for(i = 0; i < len; i++) { sources.push(arguments[i]); }
}
if (Array.isArray(sources[0])) {
sources = sources[0];
}
return observableOf(scheduler, sources).mergeAll();
};
var MergeAllObservable = (function (__super__) {
inherits(MergeAllObservable, __super__);
function MergeAllObservable(source) {
this.source = source;
__super__.call(this);
}
MergeAllObservable.prototype.subscribeCore = function (o) {
var g = new CompositeDisposable(), m = new SingleAssignmentDisposable();
g.add(m);
m.setDisposable(this.source.subscribe(new MergeAllObserver(o, g)));
return g;
};
return MergeAllObservable;
}(ObservableBase));
var MergeAllObserver = (function (__super__) {
function MergeAllObserver(o, g) {
this.o = o;
this.g = g;
this.done = false;
__super__.call(this);
}
inherits(MergeAllObserver, __super__);
MergeAllObserver.prototype.next = function(innerSource) {
var sad = new SingleAssignmentDisposable();
this.g.add(sad);
isPromise(innerSource) && (innerSource = observableFromPromise(innerSource));
sad.setDisposable(innerSource.subscribe(new InnerObserver(this, sad)));
};
MergeAllObserver.prototype.error = function (e) {
this.o.onError(e);
};
MergeAllObserver.prototype.completed = function () {
this.done = true;
this.g.length === 1 && this.o.onCompleted();
};
function InnerObserver(parent, sad) {
this.parent = parent;
this.sad = sad;
__super__.call(this);
}
inherits(InnerObserver, __super__);
InnerObserver.prototype.next = function (x) {
this.parent.o.onNext(x);
};
InnerObserver.prototype.error = function (e) {
this.parent.o.onError(e);
};
InnerObserver.prototype.completed = function () {
this.parent.g.remove(this.sad);
this.parent.done && this.parent.g.length === 1 && this.parent.o.onCompleted();
};
return MergeAllObserver;
}(AbstractObserver));
/**
* Merges an observable sequence of observable sequences into an observable sequence.
* @returns {Observable} The observable sequence that merges the elements of the inner sequences.
*/
observableProto.mergeAll = function () {
return new MergeAllObservable(this);
};
var CompositeError = Rx.CompositeError = function(errors) {
this.innerErrors = errors;
this.message = 'This contains multiple errors. Check the innerErrors';
Error.call(this);
};
CompositeError.prototype = Object.create(Error.prototype);
CompositeError.prototype.name = 'CompositeError';
var MergeDelayErrorObservable = (function(__super__) {
inherits(MergeDelayErrorObservable, __super__);
function MergeDelayErrorObservable(source) {
this.source = source;
__super__.call(this);
}
MergeDelayErrorObservable.prototype.subscribeCore = function (o) {
var group = new CompositeDisposable(),
m = new SingleAssignmentDisposable(),
state = { isStopped: false, errors: [], o: o };
group.add(m);
m.setDisposable(this.source.subscribe(new MergeDelayErrorObserver(group, state)));
return group;
};
return MergeDelayErrorObservable;
}(ObservableBase));
var MergeDelayErrorObserver = (function(__super__) {
inherits(MergeDelayErrorObserver, __super__);
function MergeDelayErrorObserver(group, state) {
this._group = group;
this._state = state;
__super__.call(this);
}
function setCompletion(o, errors) {
if (errors.length === 0) {
o.onCompleted();
} else if (errors.length === 1) {
o.onError(errors[0]);
} else {
o.onError(new CompositeError(errors));
}
}
MergeDelayErrorObserver.prototype.next = function (x) {
var inner = new SingleAssignmentDisposable();
this._group.add(inner);
// Check for promises support
isPromise(x) && (x = observableFromPromise(x));
inner.setDisposable(x.subscribe(new InnerObserver(inner, this._group, this._state)));
};
MergeDelayErrorObserver.prototype.error = function (e) {
this._state.errors.push(e);
this._state.isStopped = true;
this._group.length === 1 && setCompletion(this._state.o, this._state.errors);
};
MergeDelayErrorObserver.prototype.completed = function () {
this._state.isStopped = true;
this._group.length === 1 && setCompletion(this._state.o, this._state.errors);
};
inherits(InnerObserver, __super__);
function InnerObserver(inner, group, state) {
this._inner = inner;
this._group = group;
this._state = state;
__super__.call(this);
}
InnerObserver.prototype.next = function (x) { this._state.o.onNext(x); };
InnerObserver.prototype.error = function (e) {
this._state.errors.push(e);
this._group.remove(this._inner);
this._state.isStopped && this._group.length === 1 && setCompletion(this._state.o, this._state.errors);
};
InnerObserver.prototype.completed = function () {
this._group.remove(this._inner);
this._state.isStopped && this._group.length === 1 && setCompletion(this._state.o, this._state.errors);
};
return MergeDelayErrorObserver;
}(AbstractObserver));
/**
* Flattens an Observable that emits Observables into one Observable, in a way that allows an Observer to
* receive all successfully emitted items from all of the source Observables without being interrupted by
* an error notification from one of them.
*
* This behaves like Observable.prototype.mergeAll except that if any of the merged Observables notify of an
* error via the Observer's onError, mergeDelayError will refrain from propagating that
* error notification until all of the merged Observables have finished emitting items.
* @param {Array | Arguments} args Arguments or an array to merge.
* @returns {Observable} an Observable that emits all of the items emitted by the Observables emitted by the Observable
*/
Observable.mergeDelayError = function() {
var args;
if (Array.isArray(arguments[0])) {
args = arguments[0];
} else {
var len = arguments.length;
args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
}
var source = observableOf(null, args);
return new MergeDelayErrorObservable(source);
};
/**
* Continues an observable sequence that is terminated normally or by an exception with the next observable sequence.
* @param {Observable} second Second observable sequence used to produce results after the first sequence terminates.
* @returns {Observable} An observable sequence that concatenates the first and second sequence, even if the first sequence terminates exceptionally.
*/
observableProto.onErrorResumeNext = function (second) {
if (!second) { throw new Error('Second observable is required'); }
return onErrorResumeNext([this, second]);
};
var OnErrorResumeNextObservable = (function(__super__) {
inherits(OnErrorResumeNextObservable, __super__);
function OnErrorResumeNextObservable(sources) {
this.sources = sources;
__super__.call(this);
}
function scheduleMethod(state, recurse) {
if (state.pos < state.sources.length) {
var current = state.sources[state.pos++];
isPromise(current) && (current = observableFromPromise(current));
var d = new SingleAssignmentDisposable();
state.subscription.setDisposable(d);
d.setDisposable(current.subscribe(new OnErrorResumeNextObserver(state, recurse)));
} else {
state.o.onCompleted();
}
}
OnErrorResumeNextObservable.prototype.subscribeCore = function (o) {
var subscription = new SerialDisposable(),
state = {pos: 0, subscription: subscription, o: o, sources: this.sources },
cancellable = immediateScheduler.scheduleRecursive(state, scheduleMethod);
return new BinaryDisposable(subscription, cancellable);
};
return OnErrorResumeNextObservable;
}(ObservableBase));
var OnErrorResumeNextObserver = (function(__super__) {
inherits(OnErrorResumeNextObserver, __super__);
function OnErrorResumeNextObserver(state, recurse) {
this._state = state;
this._recurse = recurse;
__super__.call(this);
}
OnErrorResumeNextObserver.prototype.next = function (x) { this._state.o.onNext(x); };
OnErrorResumeNextObserver.prototype.error = function () { this._recurse(this._state); };
OnErrorResumeNextObserver.prototype.completed = function () { this._recurse(this._state); };
return OnErrorResumeNextObserver;
}(AbstractObserver));
/**
* Continues an observable sequence that is terminated normally or by an exception with the next observable sequence.
* @returns {Observable} An observable sequence that concatenates the source sequences, even if a sequence terminates exceptionally.
*/
var onErrorResumeNext = Observable.onErrorResumeNext = function () {
var sources = [];
if (Array.isArray(arguments[0])) {
sources = arguments[0];
} else {
var len = arguments.length;
sources = new Array(len);
for(var i = 0; i < len; i++) { sources[i] = arguments[i]; }
}
return new OnErrorResumeNextObservable(sources);
};
var SkipUntilObservable = (function(__super__) {
inherits(SkipUntilObservable, __super__);
function SkipUntilObservable(source, other) {
this._s = source;
this._o = isPromise(other) ? observableFromPromise(other) : other;
this._open = false;
__super__.call(this);
}
SkipUntilObservable.prototype.subscribeCore = function(o) {
var leftSubscription = new SingleAssignmentDisposable();
leftSubscription.setDisposable(this._s.subscribe(new SkipUntilSourceObserver(o, this)));
isPromise(this._o) && (this._o = observableFromPromise(this._o));
var rightSubscription = new SingleAssignmentDisposable();
rightSubscription.setDisposable(this._o.subscribe(new SkipUntilOtherObserver(o, this, rightSubscription)));
return new BinaryDisposable(leftSubscription, rightSubscription);
};
return SkipUntilObservable;
}(ObservableBase));
var SkipUntilSourceObserver = (function(__super__) {
inherits(SkipUntilSourceObserver, __super__);
function SkipUntilSourceObserver(o, p) {
this._o = o;
this._p = p;
__super__.call(this);
}
SkipUntilSourceObserver.prototype.next = function (x) {
this._p._open && this._o.onNext(x);
};
SkipUntilSourceObserver.prototype.error = function (err) {
this._o.onError(err);
};
SkipUntilSourceObserver.prototype.onCompleted = function () {
this._p._open && this._o.onCompleted();
};
return SkipUntilSourceObserver;
}(AbstractObserver));
var SkipUntilOtherObserver = (function(__super__) {
inherits(SkipUntilOtherObserver, __super__);
function SkipUntilOtherObserver(o, p, r) {
this._o = o;
this._p = p;
this._r = r;
__super__.call(this);
}
SkipUntilOtherObserver.prototype.next = function () {
this._p._open = true;
this._r.dispose();
};
SkipUntilOtherObserver.prototype.error = function (err) {
this._o.onError(err);
};
SkipUntilOtherObserver.prototype.onCompleted = function () {
this._r.dispose();
};
return SkipUntilOtherObserver;
}(AbstractObserver));
/**
* Returns the values from the source observable sequence only after the other observable sequence produces a value.
* @param {Observable | Promise} other The observable sequence or Promise that triggers propagation of elements of the source sequence.
* @returns {Observable} An observable sequence containing the elements of the source sequence starting from the point the other sequence triggered propagation.
*/
observableProto.skipUntil = function (other) {
return new SkipUntilObservable(this, other);
};
var SwitchObservable = (function(__super__) {
inherits(SwitchObservable, __super__);
function SwitchObservable(source) {
this.source = source;
__super__.call(this);
}
SwitchObservable.prototype.subscribeCore = function (o) {
var inner = new SerialDisposable(), s = this.source.subscribe(new SwitchObserver(o, inner));
return new BinaryDisposable(s, inner);
};
inherits(SwitchObserver, AbstractObserver);
function SwitchObserver(o, inner) {
this.o = o;
this.inner = inner;
this.stopped = false;
this.latest = 0;
this.hasLatest = false;
AbstractObserver.call(this);
}
SwitchObserver.prototype.next = function (innerSource) {
var d = new SingleAssignmentDisposable(), id = ++this.latest;
this.hasLatest = true;
this.inner.setDisposable(d);
isPromise(innerSource) && (innerSource = observableFromPromise(innerSource));
d.setDisposable(innerSource.subscribe(new InnerObserver(this, id)));
};
SwitchObserver.prototype.error = function (e) {
this.o.onError(e);
};
SwitchObserver.prototype.completed = function () {
this.stopped = true;
!this.hasLatest && this.o.onCompleted();
};
inherits(InnerObserver, AbstractObserver);
function InnerObserver(parent, id) {
this.parent = parent;
this.id = id;
AbstractObserver.call(this);
}
InnerObserver.prototype.next = function (x) {
this.parent.latest === this.id && this.parent.o.onNext(x);
};
InnerObserver.prototype.error = function (e) {
this.parent.latest === this.id && this.parent.o.onError(e);
};
InnerObserver.prototype.completed = function () {
if (this.parent.latest === this.id) {
this.parent.hasLatest = false;
this.parent.stopped && this.parent.o.onCompleted();
}
};
return SwitchObservable;
}(ObservableBase));
/**
* Transforms an observable sequence of observable sequences into an observable sequence producing values only from the most recent observable sequence.
* @returns {Observable} The observable sequence that at any point in time produces the elements of the most recent inner observable sequence that has been received.
*/
observableProto['switch'] = observableProto.switchLatest = function () {
return new SwitchObservable(this);
};
var TakeUntilObservable = (function(__super__) {
inherits(TakeUntilObservable, __super__);
function TakeUntilObservable(source, other) {
this.source = source;
this.other = isPromise(other) ? observableFromPromise(other) : other;
__super__.call(this);
}
TakeUntilObservable.prototype.subscribeCore = function(o) {
return new BinaryDisposable(
this.source.subscribe(o),
this.other.subscribe(new TakeUntilObserver(o))
);
};
return TakeUntilObservable;
}(ObservableBase));
var TakeUntilObserver = (function(__super__) {
inherits(TakeUntilObserver, __super__);
function TakeUntilObserver(o) {
this._o = o;
__super__.call(this);
}
TakeUntilObserver.prototype.next = function () {
this._o.onCompleted();
};
TakeUntilObserver.prototype.error = function (err) {
this._o.onError(err);
};
TakeUntilObserver.prototype.onCompleted = noop;
return TakeUntilObserver;
}(AbstractObserver));
/**
* Returns the values from the source observable sequence until the other observable sequence produces a value.
* @param {Observable | Promise} other Observable sequence or Promise that terminates propagation of elements of the source sequence.
* @returns {Observable} An observable sequence containing the elements of the source sequence up to the point the other sequence interrupted further propagation.
*/
observableProto.takeUntil = function (other) {
return new TakeUntilObservable(this, other);
};
function falseFactory() { return false; }
function argumentsToArray() {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
return args;
}
var WithLatestFromObservable = (function(__super__) {
inherits(WithLatestFromObservable, __super__);
function WithLatestFromObservable(source, sources, resultSelector) {
this._s = source;
this._ss = sources;
this._cb = resultSelector;
__super__.call(this);
}
WithLatestFromObservable.prototype.subscribeCore = function (o) {
var len = this._ss.length;
var state = {
hasValue: arrayInitialize(len, falseFactory),
hasValueAll: false,
values: new Array(len)
};
var n = this._ss.length, subscriptions = new Array(n + 1);
for (var i = 0; i < n; i++) {
var other = this._ss[i], sad = new SingleAssignmentDisposable();
isPromise(other) && (other = observableFromPromise(other));
sad.setDisposable(other.subscribe(new WithLatestFromOtherObserver(o, i, state)));
subscriptions[i] = sad;
}
var outerSad = new SingleAssignmentDisposable();
outerSad.setDisposable(this._s.subscribe(new WithLatestFromSourceObserver(o, this._cb, state)));
subscriptions[n] = outerSad;
return new NAryDisposable(subscriptions);
};
return WithLatestFromObservable;
}(ObservableBase));
var WithLatestFromOtherObserver = (function (__super__) {
inherits(WithLatestFromOtherObserver, __super__);
function WithLatestFromOtherObserver(o, i, state) {
this._o = o;
this._i = i;
this._state = state;
__super__.call(this);
}
WithLatestFromOtherObserver.prototype.next = function (x) {
this._state.values[this._i] = x;
this._state.hasValue[this._i] = true;
this._state.hasValueAll = this._state.hasValue.every(identity);
};
WithLatestFromOtherObserver.prototype.error = function (e) {
this._o.onError(e);
};
WithLatestFromOtherObserver.prototype.completed = noop;
return WithLatestFromOtherObserver;
}(AbstractObserver));
var WithLatestFromSourceObserver = (function (__super__) {
inherits(WithLatestFromSourceObserver, __super__);
function WithLatestFromSourceObserver(o, cb, state) {
this._o = o;
this._cb = cb;
this._state = state;
__super__.call(this);
}
WithLatestFromSourceObserver.prototype.next = function (x) {
var allValues = [x].concat(this._state.values);
if (!this._state.hasValueAll) { return; }
var res = tryCatch(this._cb).apply(null, allValues);
if (res === errorObj) { return this._o.onError(res.e); }
this._o.onNext(res);
};
WithLatestFromSourceObserver.prototype.error = function (e) {
this._o.onError(e);
};
WithLatestFromSourceObserver.prototype.completed = function () {
this._o.onCompleted();
};
return WithLatestFromSourceObserver;
}(AbstractObserver));
/**
* Merges the specified observable sequences into one observable sequence by using the selector function only when the (first) source observable sequence produces an element.
* @returns {Observable} An observable sequence containing the result of combining elements of the sources using the specified result selector function.
*/
observableProto.withLatestFrom = function () {
if (arguments.length === 0) { throw new Error('invalid arguments'); }
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
var resultSelector = isFunction(args[len - 1]) ? args.pop() : argumentsToArray;
Array.isArray(args[0]) && (args = args[0]);
return new WithLatestFromObservable(this, args, resultSelector);
};
function falseFactory() { return false; }
function emptyArrayFactory() { return []; }
var ZipObservable = (function(__super__) {
inherits(ZipObservable, __super__);
function ZipObservable(sources, resultSelector) {
this._s = sources;
this._cb = resultSelector;
__super__.call(this);
}
ZipObservable.prototype.subscribeCore = function(observer) {
var n = this._s.length,
subscriptions = new Array(n),
done = arrayInitialize(n, falseFactory),
q = arrayInitialize(n, emptyArrayFactory);
for (var i = 0; i < n; i++) {
var source = this._s[i], sad = new SingleAssignmentDisposable();
subscriptions[i] = sad;
isPromise(source) && (source = observableFromPromise(source));
sad.setDisposable(source.subscribe(new ZipObserver(observer, i, this, q, done)));
}
return new NAryDisposable(subscriptions);
};
return ZipObservable;
}(ObservableBase));
var ZipObserver = (function (__super__) {
inherits(ZipObserver, __super__);
function ZipObserver(o, i, p, q, d) {
this._o = o;
this._i = i;
this._p = p;
this._q = q;
this._d = d;
__super__.call(this);
}
function notEmpty(x) { return x.length > 0; }
function shiftEach(x) { return x.shift(); }
function notTheSame(i) {
return function (x, j) {
return j !== i;
};
}
ZipObserver.prototype.next = function (x) {
this._q[this._i].push(x);
if (this._q.every(notEmpty)) {
var queuedValues = this._q.map(shiftEach);
var res = tryCatch(this._p._cb).apply(null, queuedValues);
if (res === errorObj) { return this._o.onError(res.e); }
this._o.onNext(res);
} else if (this._d.filter(notTheSame(this._i)).every(identity)) {
this._o.onCompleted();
}
};
ZipObserver.prototype.error = function (e) {
this._o.onError(e);
};
ZipObserver.prototype.completed = function () {
this._d[this._i] = true;
this._d.every(identity) && this._o.onCompleted();
};
return ZipObserver;
}(AbstractObserver));
/**
* Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences or an array have produced an element at a corresponding index.
* The last element in the arguments must be a function to invoke for each series of elements at corresponding indexes in the args.
* @returns {Observable} An observable sequence containing the result of combining elements of the args using the specified result selector function.
*/
observableProto.zip = function () {
if (arguments.length === 0) { throw new Error('invalid arguments'); }
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
var resultSelector = isFunction(args[len - 1]) ? args.pop() : argumentsToArray;
Array.isArray(args[0]) && (args = args[0]);
var parent = this;
args.unshift(parent);
return new ZipObservable(args, resultSelector);
};
/**
* Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index.
* @param arguments Observable sources.
* @param {Function} resultSelector Function to invoke for each series of elements at corresponding indexes in the sources.
* @returns {Observable} An observable sequence containing the result of combining elements of the sources using the specified result selector function.
*/
Observable.zip = function () {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
if (Array.isArray(args[0])) {
args = isFunction(args[1]) ? args[0].concat(args[1]) : args[0];
}
var first = args.shift();
return first.zip.apply(first, args);
};
function falseFactory() { return false; }
function emptyArrayFactory() { return []; }
function argumentsToArray() {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
return args;
}
var ZipIterableObservable = (function(__super__) {
inherits(ZipIterableObservable, __super__);
function ZipIterableObservable(sources, cb) {
this.sources = sources;
this._cb = cb;
__super__.call(this);
}
ZipIterableObservable.prototype.subscribeCore = function (o) {
var sources = this.sources, len = sources.length, subscriptions = new Array(len);
var state = {
q: arrayInitialize(len, emptyArrayFactory),
done: arrayInitialize(len, falseFactory),
cb: this._cb,
o: o
};
for (var i = 0; i < len; i++) {
(function (i) {
var source = sources[i], sad = new SingleAssignmentDisposable();
(isArrayLike(source) || isIterable(source)) && (source = observableFrom(source));
subscriptions[i] = sad;
sad.setDisposable(source.subscribe(new ZipIterableObserver(state, i)));
}(i));
}
return new NAryDisposable(subscriptions);
};
return ZipIterableObservable;
}(ObservableBase));
var ZipIterableObserver = (function (__super__) {
inherits(ZipIterableObserver, __super__);
function ZipIterableObserver(s, i) {
this._s = s;
this._i = i;
__super__.call(this);
}
function notEmpty(x) { return x.length > 0; }
function shiftEach(x) { return x.shift(); }
function notTheSame(i) {
return function (x, j) {
return j !== i;
};
}
ZipIterableObserver.prototype.next = function (x) {
this._s.q[this._i].push(x);
if (this._s.q.every(notEmpty)) {
var queuedValues = this._s.q.map(shiftEach),
res = tryCatch(this._s.cb).apply(null, queuedValues);
if (res === errorObj) { return this._s.o.onError(res.e); }
this._s.o.onNext(res);
} else if (this._s.done.filter(notTheSame(this._i)).every(identity)) {
this._s.o.onCompleted();
}
};
ZipIterableObserver.prototype.error = function (e) { this._s.o.onError(e); };
ZipIterableObserver.prototype.completed = function () {
this._s.done[this._i] = true;
this._s.done.every(identity) && this._s.o.onCompleted();
};
return ZipIterableObserver;
}(AbstractObserver));
/**
* Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences or an array have produced an element at a corresponding index.
* The last element in the arguments must be a function to invoke for each series of elements at corresponding indexes in the args.
* @returns {Observable} An observable sequence containing the result of combining elements of the args using the specified result selector function.
*/
observableProto.zipIterable = function () {
if (arguments.length === 0) { throw new Error('invalid arguments'); }
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
var resultSelector = isFunction(args[len - 1]) ? args.pop() : argumentsToArray;
var parent = this;
args.unshift(parent);
return new ZipIterableObservable(args, resultSelector);
};
function asObservable(source) {
return function subscribe(o) { return source.subscribe(o); };
}
/**
* Hides the identity of an observable sequence.
* @returns {Observable} An observable sequence that hides the identity of the source sequence.
*/
observableProto.asObservable = function () {
return new AnonymousObservable(asObservable(this), this);
};
function toArray(x) { return x.toArray(); }
function notEmpty(x) { return x.length > 0; }
/**
* Projects each element of an observable sequence into zero or more buffers which are produced based on element count information.
* @param {Number} count Length of each buffer.
* @param {Number} [skip] Number of elements to skip between creation of consecutive buffers. If not provided, defaults to the count.
* @returns {Observable} An observable sequence of buffers.
*/
observableProto.bufferWithCount = observableProto.bufferCount = function (count, skip) {
typeof skip !== 'number' && (skip = count);
return this.windowWithCount(count, skip)
.flatMap(toArray)
.filter(notEmpty);
};
var DematerializeObservable = (function (__super__) {
inherits(DematerializeObservable, __super__);
function DematerializeObservable(source) {
this.source = source;
__super__.call(this);
}
DematerializeObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new DematerializeObserver(o));
};
return DematerializeObservable;
}(ObservableBase));
var DematerializeObserver = (function (__super__) {
inherits(DematerializeObserver, __super__);
function DematerializeObserver(o) {
this._o = o;
__super__.call(this);
}
DematerializeObserver.prototype.next = function (x) { x.accept(this._o); };
DematerializeObserver.prototype.error = function (e) { this._o.onError(e); };
DematerializeObserver.prototype.completed = function () { this._o.onCompleted(); };
return DematerializeObserver;
}(AbstractObserver));
/**
* Dematerializes the explicit notification values of an observable sequence as implicit notifications.
* @returns {Observable} An observable sequence exhibiting the behavior corresponding to the source sequence's notification values.
*/
observableProto.dematerialize = function () {
return new DematerializeObservable(this);
};
var DistinctUntilChangedObservable = (function(__super__) {
inherits(DistinctUntilChangedObservable, __super__);
function DistinctUntilChangedObservable(source, keyFn, comparer) {
this.source = source;
this.keyFn = keyFn;
this.comparer = comparer;
__super__.call(this);
}
DistinctUntilChangedObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new DistinctUntilChangedObserver(o, this.keyFn, this.comparer));
};
return DistinctUntilChangedObservable;
}(ObservableBase));
var DistinctUntilChangedObserver = (function(__super__) {
inherits(DistinctUntilChangedObserver, __super__);
function DistinctUntilChangedObserver(o, keyFn, comparer) {
this.o = o;
this.keyFn = keyFn;
this.comparer = comparer;
this.hasCurrentKey = false;
this.currentKey = null;
__super__.call(this);
}
DistinctUntilChangedObserver.prototype.next = function (x) {
var key = x, comparerEquals;
if (isFunction(this.keyFn)) {
key = tryCatch(this.keyFn)(x);
if (key === errorObj) { return this.o.onError(key.e); }
}
if (this.hasCurrentKey) {
comparerEquals = tryCatch(this.comparer)(this.currentKey, key);
if (comparerEquals === errorObj) { return this.o.onError(comparerEquals.e); }
}
if (!this.hasCurrentKey || !comparerEquals) {
this.hasCurrentKey = true;
this.currentKey = key;
this.o.onNext(x);
}
};
DistinctUntilChangedObserver.prototype.error = function(e) {
this.o.onError(e);
};
DistinctUntilChangedObserver.prototype.completed = function () {
this.o.onCompleted();
};
return DistinctUntilChangedObserver;
}(AbstractObserver));
/**
* Returns an observable sequence that contains only distinct contiguous elements according to the keyFn and the comparer.
* @param {Function} [keyFn] A function to compute the comparison key for each element. If not provided, it projects the value.
* @param {Function} [comparer] Equality comparer for computed key values. If not provided, defaults to an equality comparer function.
* @returns {Observable} An observable sequence only containing the distinct contiguous elements, based on a computed key value, from the source sequence.
*/
observableProto.distinctUntilChanged = function (keyFn, comparer) {
comparer || (comparer = defaultComparer);
return new DistinctUntilChangedObservable(this, keyFn, comparer);
};
var TapObservable = (function(__super__) {
inherits(TapObservable,__super__);
function TapObservable(source, observerOrOnNext, onError, onCompleted) {
this.source = source;
this._oN = observerOrOnNext;
this._oE = onError;
this._oC = onCompleted;
__super__.call(this);
}
TapObservable.prototype.subscribeCore = function(o) {
return this.source.subscribe(new InnerObserver(o, this));
};
inherits(InnerObserver, AbstractObserver);
function InnerObserver(o, p) {
this.o = o;
this.t = !p._oN || isFunction(p._oN) ?
observerCreate(p._oN || noop, p._oE || noop, p._oC || noop) :
p._oN;
this.isStopped = false;
AbstractObserver.call(this);
}
InnerObserver.prototype.next = function(x) {
var res = tryCatch(this.t.onNext).call(this.t, x);
if (res === errorObj) { this.o.onError(res.e); }
this.o.onNext(x);
};
InnerObserver.prototype.error = function(err) {
var res = tryCatch(this.t.onError).call(this.t, err);
if (res === errorObj) { return this.o.onError(res.e); }
this.o.onError(err);
};
InnerObserver.prototype.completed = function() {
var res = tryCatch(this.t.onCompleted).call(this.t);
if (res === errorObj) { return this.o.onError(res.e); }
this.o.onCompleted();
};
return TapObservable;
}(ObservableBase));
/**
* Invokes an action for each element in the observable sequence and invokes an action upon graceful or exceptional termination of the observable sequence.
* This method can be used for debugging, logging, etc. of query behavior by intercepting the message stream to run arbitrary actions for messages on the pipeline.
* @param {Function | Observer} observerOrOnNext Action to invoke for each element in the observable sequence or an o.
* @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence. Used if only the observerOrOnNext parameter is also a function.
* @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence. Used if only the observerOrOnNext parameter is also a function.
* @returns {Observable} The source sequence with the side-effecting behavior applied.
*/
observableProto['do'] = observableProto.tap = observableProto.doAction = function (observerOrOnNext, onError, onCompleted) {
return new TapObservable(this, observerOrOnNext, onError, onCompleted);
};
/**
* Invokes an action for each element in the observable sequence.
* This method can be used for debugging, logging, etc. of query behavior by intercepting the message stream to run arbitrary actions for messages on the pipeline.
* @param {Function} onNext Action to invoke for each element in the observable sequence.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Observable} The source sequence with the side-effecting behavior applied.
*/
observableProto.doOnNext = observableProto.tapOnNext = function (onNext, thisArg) {
return this.tap(typeof thisArg !== 'undefined' ? function (x) { onNext.call(thisArg, x); } : onNext);
};
/**
* Invokes an action upon exceptional termination of the observable sequence.
* This method can be used for debugging, logging, etc. of query behavior by intercepting the message stream to run arbitrary actions for messages on the pipeline.
* @param {Function} onError Action to invoke upon exceptional termination of the observable sequence.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Observable} The source sequence with the side-effecting behavior applied.
*/
observableProto.doOnError = observableProto.tapOnError = function (onError, thisArg) {
return this.tap(noop, typeof thisArg !== 'undefined' ? function (e) { onError.call(thisArg, e); } : onError);
};
/**
* Invokes an action upon graceful termination of the observable sequence.
* This method can be used for debugging, logging, etc. of query behavior by intercepting the message stream to run arbitrary actions for messages on the pipeline.
* @param {Function} onCompleted Action to invoke upon graceful termination of the observable sequence.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Observable} The source sequence with the side-effecting behavior applied.
*/
observableProto.doOnCompleted = observableProto.tapOnCompleted = function (onCompleted, thisArg) {
return this.tap(noop, null, typeof thisArg !== 'undefined' ? function () { onCompleted.call(thisArg); } : onCompleted);
};
var FinallyObservable = (function (__super__) {
inherits(FinallyObservable, __super__);
function FinallyObservable(source, fn, thisArg) {
this.source = source;
this._fn = bindCallback(fn, thisArg, 0);
__super__.call(this);
}
FinallyObservable.prototype.subscribeCore = function (o) {
var d = tryCatch(this.source.subscribe).call(this.source, o);
if (d === errorObj) {
this._fn();
thrower(d.e);
}
return new FinallyDisposable(d, this._fn);
};
function FinallyDisposable(s, fn) {
this.isDisposed = false;
this._s = s;
this._fn = fn;
}
FinallyDisposable.prototype.dispose = function () {
if (!this.isDisposed) {
var res = tryCatch(this._s.dispose).call(this._s);
this._fn();
res === errorObj && thrower(res.e);
}
};
return FinallyObservable;
}(ObservableBase));
/**
* Invokes a specified action after the source observable sequence terminates gracefully or exceptionally.
* @param {Function} finallyAction Action to invoke after the source observable sequence terminates.
* @returns {Observable} Source sequence with the action-invoking termination behavior applied.
*/
observableProto['finally'] = function (action, thisArg) {
return new FinallyObservable(this, action, thisArg);
};
var IgnoreElementsObservable = (function(__super__) {
inherits(IgnoreElementsObservable, __super__);
function IgnoreElementsObservable(source) {
this.source = source;
__super__.call(this);
}
IgnoreElementsObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new InnerObserver(o));
};
function InnerObserver(o) {
this.o = o;
this.isStopped = false;
}
InnerObserver.prototype.onNext = noop;
InnerObserver.prototype.onError = function (err) {
if(!this.isStopped) {
this.isStopped = true;
this.o.onError(err);
}
};
InnerObserver.prototype.onCompleted = function () {
if(!this.isStopped) {
this.isStopped = true;
this.o.onCompleted();
}
};
InnerObserver.prototype.dispose = function() { this.isStopped = true; };
InnerObserver.prototype.fail = function (e) {
if (!this.isStopped) {
this.isStopped = true;
this.observer.onError(e);
return true;
}
return false;
};
return IgnoreElementsObservable;
}(ObservableBase));
/**
* Ignores all elements in an observable sequence leaving only the termination messages.
* @returns {Observable} An empty observable sequence that signals termination, successful or exceptional, of the source sequence.
*/
observableProto.ignoreElements = function () {
return new IgnoreElementsObservable(this);
};
var MaterializeObservable = (function (__super__) {
inherits(MaterializeObservable, __super__);
function MaterializeObservable(source, fn) {
this.source = source;
__super__.call(this);
}
MaterializeObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new MaterializeObserver(o));
};
return MaterializeObservable;
}(ObservableBase));
var MaterializeObserver = (function (__super__) {
inherits(MaterializeObserver, __super__);
function MaterializeObserver(o) {
this._o = o;
__super__.call(this);
}
MaterializeObserver.prototype.next = function (x) { this._o.onNext(notificationCreateOnNext(x)) };
MaterializeObserver.prototype.error = function (e) { this._o.onNext(notificationCreateOnError(e)); this._o.onCompleted(); };
MaterializeObserver.prototype.completed = function () { this._o.onNext(notificationCreateOnCompleted()); this._o.onCompleted(); };
return MaterializeObserver;
}(AbstractObserver));
/**
* Materializes the implicit notifications of an observable sequence as explicit notification values.
* @returns {Observable} An observable sequence containing the materialized notification values from the source sequence.
*/
observableProto.materialize = function () {
return new MaterializeObservable(this);
};
/**
* Repeats the observable sequence a specified number of times. If the repeat count is not specified, the sequence repeats indefinitely.
* @param {Number} [repeatCount] Number of times to repeat the sequence. If not provided, repeats the sequence indefinitely.
* @returns {Observable} The observable sequence producing the elements of the given sequence repeatedly.
*/
observableProto.repeat = function (repeatCount) {
return enumerableRepeat(this, repeatCount).concat();
};
/**
* Repeats the source observable sequence the specified number of times or until it successfully terminates. If the retry count is not specified, it retries indefinitely.
* Note if you encounter an error and want it to retry once, then you must use .retry(2);
*
* @example
* var res = retried = retry.repeat();
* var res = retried = retry.repeat(2);
* @param {Number} [retryCount] Number of times to retry the sequence. If not provided, retry the sequence indefinitely.
* @returns {Observable} An observable sequence producing the elements of the given sequence repeatedly until it terminates successfully.
*/
observableProto.retry = function (retryCount) {
return enumerableRepeat(this, retryCount).catchError();
};
function repeat(value) {
return {
'@@iterator': function () {
return {
next: function () {
return { done: false, value: value };
}
};
}
};
}
var RetryWhenObservable = (function(__super__) {
function createDisposable(state) {
return {
isDisposed: false,
dispose: function () {
if (!this.isDisposed) {
this.isDisposed = true;
state.isDisposed = true;
}
}
};
}
function RetryWhenObservable(source, notifier) {
this.source = source;
this._notifier = notifier;
__super__.call(this);
}
inherits(RetryWhenObservable, __super__);
RetryWhenObservable.prototype.subscribeCore = function (o) {
var exceptions = new Subject(),
notifier = new Subject(),
handled = this._notifier(exceptions),
notificationDisposable = handled.subscribe(notifier);
var e = this.source['@@iterator']();
var state = { isDisposed: false },
lastError,
subscription = new SerialDisposable();
var cancelable = currentThreadScheduler.scheduleRecursive(null, function (_, recurse) {
if (state.isDisposed) { return; }
var currentItem = e.next();
if (currentItem.done) {
if (lastError) {
o.onError(lastError);
} else {
o.onCompleted();
}
return;
}
// Check if promise
var currentValue = currentItem.value;
isPromise(currentValue) && (currentValue = observableFromPromise(currentValue));
var outer = new SingleAssignmentDisposable();
var inner = new SingleAssignmentDisposable();
subscription.setDisposable(new BinaryDisposable(inner, outer));
outer.setDisposable(currentValue.subscribe(
function(x) { o.onNext(x); },
function (exn) {
inner.setDisposable(notifier.subscribe(recurse, function(ex) {
o.onError(ex);
}, function() {
o.onCompleted();
}));
exceptions.onNext(exn);
outer.dispose();
},
function() { o.onCompleted(); }));
});
return new NAryDisposable([notificationDisposable, subscription, cancelable, createDisposable(state)]);
};
return RetryWhenObservable;
}(ObservableBase));
observableProto.retryWhen = function (notifier) {
return new RetryWhenObservable(repeat(this), notifier);
};
function repeat(value) {
return {
'@@iterator': function () {
return {
next: function () {
return { done: false, value: value };
}
};
}
};
}
var RepeatWhenObservable = (function(__super__) {
function createDisposable(state) {
return {
isDisposed: false,
dispose: function () {
if (!this.isDisposed) {
this.isDisposed = true;
state.isDisposed = true;
}
}
};
}
function RepeatWhenObservable(source, notifier) {
this.source = source;
this._notifier = notifier;
__super__.call(this);
}
inherits(RepeatWhenObservable, __super__);
RepeatWhenObservable.prototype.subscribeCore = function (o) {
var completions = new Subject(),
notifier = new Subject(),
handled = this._notifier(completions),
notificationDisposable = handled.subscribe(notifier);
var e = this.source['@@iterator']();
var state = { isDisposed: false },
lastError,
subscription = new SerialDisposable();
var cancelable = currentThreadScheduler.scheduleRecursive(null, function (_, recurse) {
if (state.isDisposed) { return; }
var currentItem = e.next();
if (currentItem.done) {
if (lastError) {
o.onError(lastError);
} else {
o.onCompleted();
}
return;
}
// Check if promise
var currentValue = currentItem.value;
isPromise(currentValue) && (currentValue = observableFromPromise(currentValue));
var outer = new SingleAssignmentDisposable();
var inner = new SingleAssignmentDisposable();
subscription.setDisposable(new BinaryDisposable(inner, outer));
outer.setDisposable(currentValue.subscribe(
function(x) { o.onNext(x); },
function (exn) { o.onError(exn); },
function() {
inner.setDisposable(notifier.subscribe(recurse, function(ex) {
o.onError(ex);
}, function() {
o.onCompleted();
}));
completions.onNext(null);
outer.dispose();
}));
});
return new NAryDisposable([notificationDisposable, subscription, cancelable, createDisposable(state)]);
};
return RepeatWhenObservable;
}(ObservableBase));
observableProto.repeatWhen = function (notifier) {
return new RepeatWhenObservable(repeat(this), notifier);
};
var ScanObservable = (function(__super__) {
inherits(ScanObservable, __super__);
function ScanObservable(source, accumulator, hasSeed, seed) {
this.source = source;
this.accumulator = accumulator;
this.hasSeed = hasSeed;
this.seed = seed;
__super__.call(this);
}
ScanObservable.prototype.subscribeCore = function(o) {
return this.source.subscribe(new ScanObserver(o,this));
};
return ScanObservable;
}(ObservableBase));
var ScanObserver = (function (__super__) {
inherits(ScanObserver, __super__);
function ScanObserver(o, parent) {
this._o = o;
this._p = parent;
this._fn = parent.accumulator;
this._hs = parent.hasSeed;
this._s = parent.seed;
this._ha = false;
this._a = null;
this._hv = false;
this._i = 0;
__super__.call(this);
}
ScanObserver.prototype.next = function (x) {
!this._hv && (this._hv = true);
if (this._ha) {
this._a = tryCatch(this._fn)(this._a, x, this._i, this._p);
} else {
this._a = this._hs ? tryCatch(this._fn)(this._s, x, this._i, this._p) : x;
this._ha = true;
}
if (this._a === errorObj) { return this._o.onError(this._a.e); }
this._o.onNext(this._a);
this._i++;
};
ScanObserver.prototype.error = function (e) {
this._o.onError(e);
};
ScanObserver.prototype.completed = function () {
!this._hv && this._hs && this._o.onNext(this._s);
this._o.onCompleted();
};
return ScanObserver;
}(AbstractObserver));
/**
* Applies an accumulator function over an observable sequence and returns each intermediate result. The optional seed value is used as the initial accumulator value.
* For aggregation behavior with no intermediate results, see Observable.aggregate.
* @param {Mixed} [seed] The initial accumulator value.
* @param {Function} accumulator An accumulator function to be invoked on each element.
* @returns {Observable} An observable sequence containing the accumulated values.
*/
observableProto.scan = function () {
var hasSeed = false, seed, accumulator = arguments[0];
if (arguments.length === 2) {
hasSeed = true;
seed = arguments[1];
}
return new ScanObservable(this, accumulator, hasSeed, seed);
};
var SkipLastObservable = (function (__super__) {
inherits(SkipLastObservable, __super__);
function SkipLastObservable(source, c) {
this.source = source;
this._c = c;
__super__.call(this);
}
SkipLastObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new SkipLastObserver(o, this._c));
};
return SkipLastObservable;
}(ObservableBase));
var SkipLastObserver = (function (__super__) {
inherits(SkipLastObserver, __super__);
function SkipLastObserver(o, c) {
this._o = o;
this._c = c;
this._q = [];
__super__.call(this);
}
SkipLastObserver.prototype.next = function (x) {
this._q.push(x);
this._q.length > this._c && this._o.onNext(this._q.shift());
};
SkipLastObserver.prototype.error = function (e) {
this._o.onError(e);
};
SkipLastObserver.prototype.completed = function () {
this._o.onCompleted();
};
return SkipLastObserver;
}(AbstractObserver));
/**
* Bypasses a specified number of elements at the end of an observable sequence.
* @description
* This operator accumulates a queue with a length enough to store the first `count` elements. As more elements are
* received, elements are taken from the front of the queue and produced on the result sequence. This causes elements to be delayed.
* @param count Number of elements to bypass at the end of the source sequence.
* @returns {Observable} An observable sequence containing the source sequence elements except for the bypassed ones at the end.
*/
observableProto.skipLast = function (count) {
if (count < 0) { throw new ArgumentOutOfRangeError(); }
return new SkipLastObservable(this, count);
};
/**
* Prepends a sequence of values to an observable sequence with an optional scheduler and an argument list of values to prepend.
* @example
* var res = source.startWith(1, 2, 3);
* var res = source.startWith(Rx.Scheduler.timeout, 1, 2, 3);
* @param {Arguments} args The specified values to prepend to the observable sequence
* @returns {Observable} The source sequence prepended with the specified values.
*/
observableProto.startWith = function () {
var values, scheduler, start = 0;
if (!!arguments.length && isScheduler(arguments[0])) {
scheduler = arguments[0];
start = 1;
} else {
scheduler = immediateScheduler;
}
for(var args = [], i = start, len = arguments.length; i < len; i++) { args.push(arguments[i]); }
return observableConcat.apply(null, [observableFromArray(args, scheduler), this]);
};
var TakeLastObserver = (function (__super__) {
inherits(TakeLastObserver, __super__);
function TakeLastObserver(o, c) {
this._o = o;
this._c = c;
this._q = [];
__super__.call(this);
}
TakeLastObserver.prototype.next = function (x) {
this._q.push(x);
this._q.length > this._c && this._q.shift();
};
TakeLastObserver.prototype.error = function (e) {
this._o.onError(e);
};
TakeLastObserver.prototype.completed = function () {
while (this._q.length > 0) { this._o.onNext(this._q.shift()); }
this._o.onCompleted();
};
return TakeLastObserver;
}(AbstractObserver));
/**
* Returns a specified number of contiguous elements from the end of an observable sequence.
* @description
* This operator accumulates a buffer with a length enough to store elements count elements. Upon completion of
* the source sequence, this buffer is drained on the result sequence. This causes the elements to be delayed.
* @param {Number} count Number of elements to take from the end of the source sequence.
* @returns {Observable} An observable sequence containing the specified number of elements from the end of the source sequence.
*/
observableProto.takeLast = function (count) {
if (count < 0) { throw new ArgumentOutOfRangeError(); }
var source = this;
return new AnonymousObservable(function (o) {
return source.subscribe(new TakeLastObserver(o, count));
}, source);
};
var TakeLastBufferObserver = (function (__super__) {
inherits(TakeLastBufferObserver, __super__);
function TakeLastBufferObserver(o, c) {
this._o = o;
this._c = c;
this._q = [];
__super__.call(this);
}
TakeLastBufferObserver.prototype.next = function (x) {
this._q.push(x);
this._q.length > this._c && this._q.shift();
};
TakeLastBufferObserver.prototype.error = function (e) {
this._o.onError(e);
};
TakeLastBufferObserver.prototype.completed = function () {
this._o.onNext(this._q);
this._o.onCompleted();
};
return TakeLastBufferObserver;
}(AbstractObserver));
/**
* Returns an array with the specified number of contiguous elements from the end of an observable sequence.
*
* @description
* This operator accumulates a buffer with a length enough to store count elements. Upon completion of the
* source sequence, this buffer is produced on the result sequence.
* @param {Number} count Number of elements to take from the end of the source sequence.
* @returns {Observable} An observable sequence containing a single array with the specified number of elements from the end of the source sequence.
*/
observableProto.takeLastBuffer = function (count) {
if (count < 0) { throw new ArgumentOutOfRangeError(); }
var source = this;
return new AnonymousObservable(function (o) {
return source.subscribe(new TakeLastBufferObserver(o, count));
}, source);
};
/**
* Projects each element of an observable sequence into zero or more windows which are produced based on element count information.
* @param {Number} count Length of each window.
* @param {Number} [skip] Number of elements to skip between creation of consecutive windows. If not specified, defaults to the count.
* @returns {Observable} An observable sequence of windows.
*/
observableProto.windowWithCount = observableProto.windowCount = function (count, skip) {
var source = this;
+count || (count = 0);
Math.abs(count) === Infinity && (count = 0);
if (count <= 0) { throw new ArgumentOutOfRangeError(); }
skip == null && (skip = count);
+skip || (skip = 0);
Math.abs(skip) === Infinity && (skip = 0);
if (skip <= 0) { throw new ArgumentOutOfRangeError(); }
return new AnonymousObservable(function (observer) {
var m = new SingleAssignmentDisposable(),
refCountDisposable = new RefCountDisposable(m),
n = 0,
q = [];
function createWindow () {
var s = new Subject();
q.push(s);
observer.onNext(addRef(s, refCountDisposable));
}
createWindow();
m.setDisposable(source.subscribe(
function (x) {
for (var i = 0, len = q.length; i < len; i++) { q[i].onNext(x); }
var c = n - count + 1;
c >= 0 && c % skip === 0 && q.shift().onCompleted();
++n % skip === 0 && createWindow();
},
function (e) {
while (q.length > 0) { q.shift().onError(e); }
observer.onError(e);
},
function () {
while (q.length > 0) { q.shift().onCompleted(); }
observer.onCompleted();
}
));
return refCountDisposable;
}, source);
};
function concatMap(source, selector, thisArg) {
var selectorFunc = bindCallback(selector, thisArg, 3);
return source.map(function (x, i) {
var result = selectorFunc(x, i, source);
isPromise(result) && (result = observableFromPromise(result));
(isArrayLike(result) || isIterable(result)) && (result = observableFrom(result));
return result;
}).concatAll();
}
/**
* One of the Following:
* Projects each element of an observable sequence to an observable sequence and merges the resulting observable sequences into one observable sequence.
*
* @example
* var res = source.concatMap(function (x) { return Rx.Observable.range(0, x); });
* Or:
* Projects each element of an observable sequence to an observable sequence, invokes the result selector for the source element and each of the corresponding inner sequence's elements, and merges the results into one observable sequence.
*
* var res = source.concatMap(function (x) { return Rx.Observable.range(0, x); }, function (x, y) { return x + y; });
* Or:
* Projects each element of the source observable sequence to the other observable sequence and merges the resulting observable sequences into one observable sequence.
*
* var res = source.concatMap(Rx.Observable.fromArray([1,2,3]));
* @param {Function} selector A transform function to apply to each element or an observable sequence to project each element from the
* source sequence onto which could be either an observable or Promise.
* @param {Function} [resultSelector] A transform function to apply to each element of the intermediate sequence.
* @returns {Observable} An observable sequence whose elements are the result of invoking the one-to-many transform function collectionSelector on each element of the input sequence and then mapping each of those sequence elements and their corresponding source element to a result element.
*/
observableProto.selectConcat = observableProto.concatMap = function (selector, resultSelector, thisArg) {
if (isFunction(selector) && isFunction(resultSelector)) {
return this.concatMap(function (x, i) {
var selectorResult = selector(x, i);
isPromise(selectorResult) && (selectorResult = observableFromPromise(selectorResult));
(isArrayLike(selectorResult) || isIterable(selectorResult)) && (selectorResult = observableFrom(selectorResult));
return selectorResult.map(function (y, i2) {
return resultSelector(x, y, i, i2);
});
});
}
return isFunction(selector) ?
concatMap(this, selector, thisArg) :
concatMap(this, function () { return selector; });
};
/**
* Projects each notification of an observable sequence to an observable sequence and concats the resulting observable sequences into one observable sequence.
* @param {Function} onNext A transform function to apply to each element; the second parameter of the function represents the index of the source element.
* @param {Function} onError A transform function to apply when an error occurs in the source sequence.
* @param {Function} onCompleted A transform function to apply when the end of the source sequence is reached.
* @param {Any} [thisArg] An optional "this" to use to invoke each transform.
* @returns {Observable} An observable sequence whose elements are the result of invoking the one-to-many transform function corresponding to each notification in the input sequence.
*/
observableProto.concatMapObserver = observableProto.selectConcatObserver = function(onNext, onError, onCompleted, thisArg) {
var source = this,
onNextFunc = bindCallback(onNext, thisArg, 2),
onErrorFunc = bindCallback(onError, thisArg, 1),
onCompletedFunc = bindCallback(onCompleted, thisArg, 0);
return new AnonymousObservable(function (observer) {
var index = 0;
return source.subscribe(
function (x) {
var result;
try {
result = onNextFunc(x, index++);
} catch (e) {
observer.onError(e);
return;
}
isPromise(result) && (result = observableFromPromise(result));
observer.onNext(result);
},
function (err) {
var result;
try {
result = onErrorFunc(err);
} catch (e) {
observer.onError(e);
return;
}
isPromise(result) && (result = observableFromPromise(result));
observer.onNext(result);
observer.onCompleted();
},
function () {
var result;
try {
result = onCompletedFunc();
} catch (e) {
observer.onError(e);
return;
}
isPromise(result) && (result = observableFromPromise(result));
observer.onNext(result);
observer.onCompleted();
});
}, this).concatAll();
};
var DefaultIfEmptyObserver = (function (__super__) {
inherits(DefaultIfEmptyObserver, __super__);
function DefaultIfEmptyObserver(o, d) {
this._o = o;
this._d = d;
this._f = false;
__super__.call(this);
}
DefaultIfEmptyObserver.prototype.next = function (x) {
this._f = true;
this._o.onNext(x);
};
DefaultIfEmptyObserver.prototype.error = function (e) {
this._o.onError(e);
};
DefaultIfEmptyObserver.prototype.completed = function () {
!this._f && this._o.onNext(this._d);
this._o.onCompleted();
};
return DefaultIfEmptyObserver;
}(AbstractObserver));
/**
* Returns the elements of the specified sequence or the specified value in a singleton sequence if the sequence is empty.
*
* var res = obs = xs.defaultIfEmpty();
* 2 - obs = xs.defaultIfEmpty(false);
*
* @memberOf Observable#
* @param defaultValue The value to return if the sequence is empty. If not provided, this defaults to null.
* @returns {Observable} An observable sequence that contains the specified default value if the source is empty; otherwise, the elements of the source itself.
*/
observableProto.defaultIfEmpty = function (defaultValue) {
var source = this;
defaultValue === undefined && (defaultValue = null);
return new AnonymousObservable(function (o) {
return source.subscribe(new DefaultIfEmptyObserver(o, defaultValue));
}, source);
};
// Swap out for Array.findIndex
function arrayIndexOfComparer(array, item, comparer) {
for (var i = 0, len = array.length; i < len; i++) {
if (comparer(array[i], item)) { return i; }
}
return -1;
}
function HashSet(comparer) {
this.comparer = comparer;
this.set = [];
}
HashSet.prototype.push = function(value) {
var retValue = arrayIndexOfComparer(this.set, value, this.comparer) === -1;
retValue && this.set.push(value);
return retValue;
};
var DistinctObservable = (function (__super__) {
inherits(DistinctObservable, __super__);
function DistinctObservable(source, keyFn, cmpFn) {
this.source = source;
this._keyFn = keyFn;
this._cmpFn = cmpFn;
__super__.call(this);
}
DistinctObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new DistinctObserver(o, this._keyFn, this._cmpFn));
};
return DistinctObservable;
}(ObservableBase));
var DistinctObserver = (function (__super__) {
inherits(DistinctObserver, __super__);
function DistinctObserver(o, keyFn, cmpFn) {
this._o = o;
this._keyFn = keyFn;
this._h = new HashSet(cmpFn);
__super__.call(this);
}
DistinctObserver.prototype.next = function (x) {
var key = x;
if (isFunction(this._keyFn)) {
key = tryCatch(this._keyFn)(x);
if (key === errorObj) { return this._o.onError(key.e); }
}
this._h.push(key) && this._o.onNext(x);
};
DistinctObserver.prototype.error = function (e) { this._o.onError(e); };
DistinctObserver.prototype.completed = function () { this._o.onCompleted(); };
return DistinctObserver;
}(AbstractObserver));
/**
* Returns an observable sequence that contains only distinct elements according to the keySelector and the comparer.
* Usage of this operator should be considered carefully due to the maintenance of an internal lookup structure which can grow large.
*
* @example
* var res = obs = xs.distinct();
* 2 - obs = xs.distinct(function (x) { return x.id; });
* 2 - obs = xs.distinct(function (x) { return x.id; }, function (a,b) { return a === b; });
* @param {Function} [keySelector] A function to compute the comparison key for each element.
* @param {Function} [comparer] Used to compare items in the collection.
* @returns {Observable} An observable sequence only containing the distinct elements, based on a computed key value, from the source sequence.
*/
observableProto.distinct = function (keySelector, comparer) {
comparer || (comparer = defaultComparer);
return new DistinctObservable(this, keySelector, comparer);
};
/**
* Groups the elements of an observable sequence according to a specified key selector function and comparer and selects the resulting elements by using a specified function.
*
* @example
* var res = observable.groupBy(function (x) { return x.id; });
* 2 - observable.groupBy(function (x) { return x.id; }), function (x) { return x.name; });
* 3 - observable.groupBy(function (x) { return x.id; }), function (x) { return x.name; }, function (x) { return x.toString(); });
* @param {Function} keySelector A function to extract the key for each element.
* @param {Function} [elementSelector] A function to map each source element to an element in an observable group.
* @returns {Observable} A sequence of observable groups, each of which corresponds to a unique key value, containing all elements that share that same key value.
*/
observableProto.groupBy = function (keySelector, elementSelector) {
return this.groupByUntil(keySelector, elementSelector, observableNever);
};
/**
* Groups the elements of an observable sequence according to a specified key selector function.
* A duration selector function is used to control the lifetime of groups. When a group expires, it receives an OnCompleted notification. When a new element with the same
* key value as a reclaimed group occurs, the group will be reborn with a new lifetime request.
*
* @example
* var res = observable.groupByUntil(function (x) { return x.id; }, null, function () { return Rx.Observable.never(); });
* 2 - observable.groupBy(function (x) { return x.id; }), function (x) { return x.name; }, function () { return Rx.Observable.never(); });
* 3 - observable.groupBy(function (x) { return x.id; }), function (x) { return x.name; }, function () { return Rx.Observable.never(); }, function (x) { return x.toString(); });
* @param {Function} keySelector A function to extract the key for each element.
* @param {Function} durationSelector A function to signal the expiration of a group.
* @returns {Observable}
* A sequence of observable groups, each of which corresponds to a unique key value, containing all elements that share that same key value.
* If a group's lifetime expires, a new group with the same key value can be created once an element with such a key value is encoutered.
*
*/
observableProto.groupByUntil = function (keySelector, elementSelector, durationSelector) {
var source = this;
return new AnonymousObservable(function (o) {
var map = new Map(),
groupDisposable = new CompositeDisposable(),
refCountDisposable = new RefCountDisposable(groupDisposable),
handleError = function (e) { return function (item) { item.onError(e); }; };
groupDisposable.add(
source.subscribe(function (x) {
var key = tryCatch(keySelector)(x);
if (key === errorObj) {
map.forEach(handleError(key.e));
return o.onError(key.e);
}
var fireNewMapEntry = false, writer = map.get(key);
if (writer === undefined) {
writer = new Subject();
map.set(key, writer);
fireNewMapEntry = true;
}
if (fireNewMapEntry) {
var group = new GroupedObservable(key, writer, refCountDisposable),
durationGroup = new GroupedObservable(key, writer);
var duration = tryCatch(durationSelector)(durationGroup);
if (duration === errorObj) {
map.forEach(handleError(duration.e));
return o.onError(duration.e);
}
o.onNext(group);
var md = new SingleAssignmentDisposable();
groupDisposable.add(md);
md.setDisposable(duration.take(1).subscribe(
noop,
function (e) {
map.forEach(handleError(e));
o.onError(e);
},
function () {
if (map['delete'](key)) { writer.onCompleted(); }
groupDisposable.remove(md);
}));
}
var element = x;
if (isFunction(elementSelector)) {
element = tryCatch(elementSelector)(x);
if (element === errorObj) {
map.forEach(handleError(element.e));
return o.onError(element.e);
}
}
writer.onNext(element);
}, function (e) {
map.forEach(handleError(e));
o.onError(e);
}, function () {
map.forEach(function (item) { item.onCompleted(); });
o.onCompleted();
}));
return refCountDisposable;
}, source);
};
var MapObservable = (function (__super__) {
inherits(MapObservable, __super__);
function MapObservable(source, selector, thisArg) {
this.source = source;
this.selector = bindCallback(selector, thisArg, 3);
__super__.call(this);
}
function innerMap(selector, self) {
return function (x, i, o) { return selector.call(this, self.selector(x, i, o), i, o); };
}
MapObservable.prototype.internalMap = function (selector, thisArg) {
return new MapObservable(this.source, innerMap(selector, this), thisArg);
};
MapObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new InnerObserver(o, this.selector, this));
};
inherits(InnerObserver, AbstractObserver);
function InnerObserver(o, selector, source) {
this.o = o;
this.selector = selector;
this.source = source;
this.i = 0;
AbstractObserver.call(this);
}
InnerObserver.prototype.next = function(x) {
var result = tryCatch(this.selector)(x, this.i++, this.source);
if (result === errorObj) { return this.o.onError(result.e); }
this.o.onNext(result);
};
InnerObserver.prototype.error = function (e) {
this.o.onError(e);
};
InnerObserver.prototype.completed = function () {
this.o.onCompleted();
};
return MapObservable;
}(ObservableBase));
/**
* Projects each element of an observable sequence into a new form by incorporating the element's index.
* @param {Function} selector A transform function to apply to each source element; the second parameter of the function represents the index of the source element.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Observable} An observable sequence whose elements are the result of invoking the transform function on each element of source.
*/
observableProto.map = observableProto.select = function (selector, thisArg) {
var selectorFn = typeof selector === 'function' ? selector : function () { return selector; };
return this instanceof MapObservable ?
this.internalMap(selectorFn, thisArg) :
new MapObservable(this, selectorFn, thisArg);
};
function plucker(args, len) {
return function mapper(x) {
var currentProp = x;
for (var i = 0; i < len; i++) {
var p = currentProp[args[i]];
if (typeof p !== 'undefined') {
currentProp = p;
} else {
return undefined;
}
}
return currentProp;
};
}
/**
* Retrieves the value of a specified nested property from all elements in
* the Observable sequence.
* @param {Arguments} arguments The nested properties to pluck.
* @returns {Observable} Returns a new Observable sequence of property values.
*/
observableProto.pluck = function () {
var len = arguments.length, args = new Array(len);
if (len === 0) { throw new Error('List of properties cannot be empty.'); }
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
return this.map(plucker(args, len));
};
observableProto.flatMap = observableProto.selectMany = observableProto.mergeMap = function(selector, resultSelector, thisArg) {
return new FlatMapObservable(this, selector, resultSelector, thisArg).mergeAll();
};
/**
* Projects each notification of an observable sequence to an observable sequence and merges the resulting observable sequences into one observable sequence.
* @param {Function} onNext A transform function to apply to each element; the second parameter of the function represents the index of the source element.
* @param {Function} onError A transform function to apply when an error occurs in the source sequence.
* @param {Function} onCompleted A transform function to apply when the end of the source sequence is reached.
* @param {Any} [thisArg] An optional "this" to use to invoke each transform.
* @returns {Observable} An observable sequence whose elements are the result of invoking the one-to-many transform function corresponding to each notification in the input sequence.
*/
observableProto.flatMapObserver = observableProto.selectManyObserver = function (onNext, onError, onCompleted, thisArg) {
var source = this;
return new AnonymousObservable(function (observer) {
var index = 0;
return source.subscribe(
function (x) {
var result;
try {
result = onNext.call(thisArg, x, index++);
} catch (e) {
observer.onError(e);
return;
}
isPromise(result) && (result = observableFromPromise(result));
observer.onNext(result);
},
function (err) {
var result;
try {
result = onError.call(thisArg, err);
} catch (e) {
observer.onError(e);
return;
}
isPromise(result) && (result = observableFromPromise(result));
observer.onNext(result);
observer.onCompleted();
},
function () {
var result;
try {
result = onCompleted.call(thisArg);
} catch (e) {
observer.onError(e);
return;
}
isPromise(result) && (result = observableFromPromise(result));
observer.onNext(result);
observer.onCompleted();
});
}, source).mergeAll();
};
observableProto.flatMapLatest = observableProto.switchMap = function(selector, resultSelector, thisArg) {
return new FlatMapObservable(this, selector, resultSelector, thisArg).switchLatest();
};
var SkipObservable = (function(__super__) {
inherits(SkipObservable, __super__);
function SkipObservable(source, count) {
this.source = source;
this._count = count;
__super__.call(this);
}
SkipObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new SkipObserver(o, this._count));
};
function SkipObserver(o, c) {
this._o = o;
this._r = c;
AbstractObserver.call(this);
}
inherits(SkipObserver, AbstractObserver);
SkipObserver.prototype.next = function (x) {
if (this._r <= 0) {
this._o.onNext(x);
} else {
this._r--;
}
};
SkipObserver.prototype.error = function(e) { this._o.onError(e); };
SkipObserver.prototype.completed = function() { this._o.onCompleted(); };
return SkipObservable;
}(ObservableBase));
/**
* Bypasses a specified number of elements in an observable sequence and then returns the remaining elements.
* @param {Number} count The number of elements to skip before returning the remaining elements.
* @returns {Observable} An observable sequence that contains the elements that occur after the specified index in the input sequence.
*/
observableProto.skip = function (count) {
if (count < 0) { throw new ArgumentOutOfRangeError(); }
return new SkipObservable(this, count);
};
var SkipWhileObservable = (function (__super__) {
inherits(SkipWhileObservable, __super__);
function SkipWhileObservable(source, fn) {
this.source = source;
this._fn = fn;
__super__.call(this);
}
SkipWhileObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new SkipWhileObserver(o, this));
};
return SkipWhileObservable;
}(ObservableBase));
var SkipWhileObserver = (function (__super__) {
inherits(SkipWhileObserver, __super__);
function SkipWhileObserver(o, p) {
this._o = o;
this._p = p;
this._i = 0;
this._r = false;
__super__.call(this);
}
SkipWhileObserver.prototype.next = function (x) {
if (!this._r) {
var res = tryCatch(this._p._fn)(x, this._i++, this._p);
if (res === errorObj) { return this._o.onError(res.e); }
this._r = !res;
}
this._r && this._o.onNext(x);
};
SkipWhileObserver.prototype.error = function (e) { this._o.onError(e); };
SkipWhileObserver.prototype.completed = function () { this._o.onCompleted(); };
return SkipWhileObserver;
}(AbstractObserver));
/**
* Bypasses elements in an observable sequence as long as a specified condition is true and then returns the remaining elements.
* The element's index is used in the logic of the predicate function.
*
* var res = source.skipWhile(function (value) { return value < 10; });
* var res = source.skipWhile(function (value, index) { return value < 10 || index < 10; });
* @param {Function} predicate A function to test each element for a condition; the second parameter of the function represents the index of the source element.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Observable} An observable sequence that contains the elements from the input sequence starting at the first element in the linear series that does not pass the test specified by predicate.
*/
observableProto.skipWhile = function (predicate, thisArg) {
var fn = bindCallback(predicate, thisArg, 3);
return new SkipWhileObservable(this, fn);
};
var TakeObservable = (function(__super__) {
inherits(TakeObservable, __super__);
function TakeObservable(source, count) {
this.source = source;
this._count = count;
__super__.call(this);
}
TakeObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new TakeObserver(o, this._count));
};
function TakeObserver(o, c) {
this._o = o;
this._c = c;
this._r = c;
AbstractObserver.call(this);
}
inherits(TakeObserver, AbstractObserver);
TakeObserver.prototype.next = function (x) {
if (this._r-- > 0) {
this._o.onNext(x);
this._r <= 0 && this._o.onCompleted();
}
};
TakeObserver.prototype.error = function (e) { this._o.onError(e); };
TakeObserver.prototype.completed = function () { this._o.onCompleted(); };
return TakeObservable;
}(ObservableBase));
/**
* Returns a specified number of contiguous elements from the start of an observable sequence, using the specified scheduler for the edge case of take(0).
* @param {Number} count The number of elements to return.
* @param {Scheduler} [scheduler] Scheduler used to produce an OnCompleted message in case 0) {
work = state.q.shift();
} else {
state.isAcquired = false;
return;
}
var m1 = new SingleAssignmentDisposable();
state.d.add(m1);
m1.setDisposable(work.subscribe(new ExpandObserver(state, self, m1)));
recurse([state, self]);
}
ExpandObservable.prototype._ensureActive = function (state) {
var isOwner = false;
if (state.q.length > 0) {
isOwner = !state.isAcquired;
state.isAcquired = true;
}
isOwner && state.m.setDisposable(this._scheduler.scheduleRecursive([state, this], scheduleRecursive));
};
ExpandObservable.prototype.subscribeCore = function (o) {
var m = new SerialDisposable(),
d = new CompositeDisposable(m),
state = {
q: [],
m: m,
d: d,
activeCount: 0,
isAcquired: false,
o: o
};
state.q.push(this.source);
state.activeCount++;
this._ensureActive(state);
return d;
};
return ExpandObservable;
}(ObservableBase));
var ExpandObserver = (function(__super__) {
inherits(ExpandObserver, __super__);
function ExpandObserver(state, parent, m1) {
this._s = state;
this._p = parent;
this._m1 = m1;
__super__.call(this);
}
ExpandObserver.prototype.next = function (x) {
this._s.o.onNext(x);
var result = tryCatch(this._p._fn)(x);
if (result === errorObj) { return this._s.o.onError(result.e); }
this._s.q.push(result);
this._s.activeCount++;
this._p._ensureActive(this._s);
};
ExpandObserver.prototype.error = function (e) {
this._s.o.onError(e);
};
ExpandObserver.prototype.completed = function () {
this._s.d.remove(this._m1);
this._s.activeCount--;
this._s.activeCount === 0 && this._s.o.onCompleted();
};
return ExpandObserver;
}(AbstractObserver));
/**
* Expands an observable sequence by recursively invoking selector.
*
* @param {Function} selector Selector function to invoke for each produced element, resulting in another sequence to which the selector will be invoked recursively again.
* @param {Scheduler} [scheduler] Scheduler on which to perform the expansion. If not provided, this defaults to the current thread scheduler.
* @returns {Observable} An observable sequence containing all the elements produced by the recursive expansion.
*/
observableProto.expand = function (selector, scheduler) {
isScheduler(scheduler) || (scheduler = currentThreadScheduler);
return new ExpandObservable(this, selector, scheduler);
};
function argumentsToArray() {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
return args;
}
var ForkJoinObservable = (function (__super__) {
inherits(ForkJoinObservable, __super__);
function ForkJoinObservable(sources, cb) {
this._sources = sources;
this._cb = cb;
__super__.call(this);
}
ForkJoinObservable.prototype.subscribeCore = function (o) {
if (this._sources.length === 0) {
o.onCompleted();
return disposableEmpty;
}
var count = this._sources.length;
var state = {
finished: false,
hasResults: new Array(count),
hasCompleted: new Array(count),
results: new Array(count)
};
var subscriptions = new CompositeDisposable();
for (var i = 0, len = this._sources.length; i < len; i++) {
var source = this._sources[i];
isPromise(source) && (source = observableFromPromise(source));
subscriptions.add(source.subscribe(new ForkJoinObserver(o, state, i, this._cb, subscriptions)));
}
return subscriptions;
};
return ForkJoinObservable;
}(ObservableBase));
var ForkJoinObserver = (function(__super__) {
inherits(ForkJoinObserver, __super__);
function ForkJoinObserver(o, s, i, cb, subs) {
this._o = o;
this._s = s;
this._i = i;
this._cb = cb;
this._subs = subs;
__super__.call(this);
}
ForkJoinObserver.prototype.next = function (x) {
if (!this._s.finished) {
this._s.hasResults[this._i] = true;
this._s.results[this._i] = x;
}
};
ForkJoinObserver.prototype.error = function (e) {
this._s.finished = true;
this._o.onError(e);
this._subs.dispose();
};
ForkJoinObserver.prototype.completed = function () {
if (!this._s.finished) {
if (!this._s.hasResults[this._i]) {
return this._o.onCompleted();
}
this._s.hasCompleted[this._i] = true;
for (var i = 0; i < this._s.results.length; i++) {
if (!this._s.hasCompleted[i]) { return; }
}
this._s.finished = true;
var res = tryCatch(this._cb).apply(null, this._s.results);
if (res === errorObj) { return this._o.onError(res.e); }
this._o.onNext(res);
this._o.onCompleted();
}
};
return ForkJoinObserver;
}(AbstractObserver));
/**
* Runs all observable sequences in parallel and collect their last elements.
*
* @example
* 1 - res = Rx.Observable.forkJoin([obs1, obs2]);
* 1 - res = Rx.Observable.forkJoin(obs1, obs2, ...);
* @returns {Observable} An observable sequence with an array collecting the last elements of all the input sequences.
*/
Observable.forkJoin = function () {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
var resultSelector = isFunction(args[len - 1]) ? args.pop() : argumentsToArray;
Array.isArray(args[0]) && (args = args[0]);
return new ForkJoinObservable(args, resultSelector);
};
/**
* Runs two observable sequences in parallel and combines their last elemenets.
* @param {Observable} second Second observable sequence.
* @param {Function} resultSelector Result selector function to invoke with the last elements of both sequences.
* @returns {Observable} An observable sequence with the result of calling the selector function with the last elements of both input sequences.
*/
observableProto.forkJoin = function () {
var len = arguments.length, args = new Array(len);
for(var i = 0; i < len; i++) { args[i] = arguments[i]; }
if (Array.isArray(args[0])) {
args[0].unshift(this);
} else {
args.unshift(this);
}
return Observable.forkJoin.apply(null, args);
};
/**
* Comonadic bind operator.
* @param {Function} selector A transform function to apply to each element.
* @param {Object} scheduler Scheduler used to execute the operation. If not specified, defaults to the ImmediateScheduler.
* @returns {Observable} An observable sequence which results from the comonadic bind operation.
*/
observableProto.manySelect = observableProto.extend = function (selector, scheduler) {
isScheduler(scheduler) || (scheduler = Rx.Scheduler.immediate);
var source = this;
return observableDefer(function () {
var chain;
return source
.map(function (x) {
var curr = new ChainObservable(x);
chain && chain.onNext(x);
chain = curr;
return curr;
})
.tap(
noop,
function (e) { chain && chain.onError(e); },
function () { chain && chain.onCompleted(); }
)
.observeOn(scheduler)
.map(selector);
}, source);
};
var ChainObservable = (function (__super__) {
inherits(ChainObservable, __super__);
function ChainObservable(head) {
__super__.call(this);
this.head = head;
this.tail = new AsyncSubject();
}
addProperties(ChainObservable.prototype, Observer, {
_subscribe: function (o) {
var g = new CompositeDisposable();
g.add(currentThreadScheduler.schedule(this, function (_, self) {
o.onNext(self.head);
g.add(self.tail.mergeAll().subscribe(o));
}));
return g;
},
onCompleted: function () {
this.onNext(Observable.empty());
},
onError: function (e) {
this.onNext(Observable['throw'](e));
},
onNext: function (v) {
this.tail.onNext(v);
this.tail.onCompleted();
}
});
return ChainObservable;
}(Observable));
var Map = root.Map || (function () {
function Map() {
this.size = 0;
this._values = [];
this._keys = [];
}
Map.prototype['delete'] = function (key) {
var i = this._keys.indexOf(key);
if (i === -1) { return false; }
this._values.splice(i, 1);
this._keys.splice(i, 1);
this.size--;
return true;
};
Map.prototype.get = function (key) {
var i = this._keys.indexOf(key);
return i === -1 ? undefined : this._values[i];
};
Map.prototype.set = function (key, value) {
var i = this._keys.indexOf(key);
if (i === -1) {
this._keys.push(key);
this._values.push(value);
this.size++;
} else {
this._values[i] = value;
}
return this;
};
Map.prototype.forEach = function (cb, thisArg) {
for (var i = 0; i < this.size; i++) {
cb.call(thisArg, this._values[i], this._keys[i]);
}
};
return Map;
}());
/**
* @constructor
* Represents a join pattern over observable sequences.
*/
function Pattern(patterns) {
this.patterns = patterns;
}
/**
* Creates a pattern that matches the current plan matches and when the specified observable sequences has an available value.
* @param other Observable sequence to match in addition to the current pattern.
* @return {Pattern} Pattern object that matches when all observable sequences in the pattern have an available value.
*/
Pattern.prototype.and = function (other) {
return new Pattern(this.patterns.concat(other));
};
/**
* Matches when all observable sequences in the pattern (specified using a chain of and operators) have an available value and projects the values.
* @param {Function} selector Selector that will be invoked with available values from the source sequences, in the same order of the sequences in the pattern.
* @return {Plan} Plan that produces the projected values, to be fed (with other plans) to the when operator.
*/
Pattern.prototype.thenDo = function (selector) {
return new Plan(this, selector);
};
function Plan(expression, selector) {
this.expression = expression;
this.selector = selector;
}
function handleOnError(o) { return function (e) { o.onError(e); }; }
function handleOnNext(self, observer) {
return function onNext () {
var result = tryCatch(self.selector).apply(self, arguments);
if (result === errorObj) { return observer.onError(result.e); }
observer.onNext(result);
};
}
Plan.prototype.activate = function (externalSubscriptions, observer, deactivate) {
var joinObservers = [], errHandler = handleOnError(observer);
for (var i = 0, len = this.expression.patterns.length; i < len; i++) {
joinObservers.push(planCreateObserver(externalSubscriptions, this.expression.patterns[i], errHandler));
}
var activePlan = new ActivePlan(joinObservers, handleOnNext(this, observer), function () {
for (var j = 0, jlen = joinObservers.length; j < jlen; j++) {
joinObservers[j].removeActivePlan(activePlan);
}
deactivate(activePlan);
});
for (i = 0, len = joinObservers.length; i < len; i++) {
joinObservers[i].addActivePlan(activePlan);
}
return activePlan;
};
function planCreateObserver(externalSubscriptions, observable, onError) {
var entry = externalSubscriptions.get(observable);
if (!entry) {
var observer = new JoinObserver(observable, onError);
externalSubscriptions.set(observable, observer);
return observer;
}
return entry;
}
function ActivePlan(joinObserverArray, onNext, onCompleted) {
this.joinObserverArray = joinObserverArray;
this.onNext = onNext;
this.onCompleted = onCompleted;
this.joinObservers = new Map();
for (var i = 0, len = this.joinObserverArray.length; i < len; i++) {
var joinObserver = this.joinObserverArray[i];
this.joinObservers.set(joinObserver, joinObserver);
}
}
ActivePlan.prototype.dequeue = function () {
this.joinObservers.forEach(function (v) { v.queue.shift(); });
};
ActivePlan.prototype.match = function () {
var i, len, hasValues = true;
for (i = 0, len = this.joinObserverArray.length; i < len; i++) {
if (this.joinObserverArray[i].queue.length === 0) {
hasValues = false;
break;
}
}
if (hasValues) {
var firstValues = [],
isCompleted = false;
for (i = 0, len = this.joinObserverArray.length; i < len; i++) {
firstValues.push(this.joinObserverArray[i].queue[0]);
this.joinObserverArray[i].queue[0].kind === 'C' && (isCompleted = true);
}
if (isCompleted) {
this.onCompleted();
} else {
this.dequeue();
var values = [];
for (i = 0, len = firstValues.length; i < firstValues.length; i++) {
values.push(firstValues[i].value);
}
this.onNext.apply(this, values);
}
}
};
var JoinObserver = (function (__super__) {
inherits(JoinObserver, __super__);
function JoinObserver(source, onError) {
__super__.call(this);
this.source = source;
this.onError = onError;
this.queue = [];
this.activePlans = [];
this.subscription = new SingleAssignmentDisposable();
this.isDisposed = false;
}
var JoinObserverPrototype = JoinObserver.prototype;
JoinObserverPrototype.next = function (notification) {
if (!this.isDisposed) {
if (notification.kind === 'E') {
return this.onError(notification.error);
}
this.queue.push(notification);
var activePlans = this.activePlans.slice(0);
for (var i = 0, len = activePlans.length; i < len; i++) {
activePlans[i].match();
}
}
};
JoinObserverPrototype.error = noop;
JoinObserverPrototype.completed = noop;
JoinObserverPrototype.addActivePlan = function (activePlan) {
this.activePlans.push(activePlan);
};
JoinObserverPrototype.subscribe = function () {
this.subscription.setDisposable(this.source.materialize().subscribe(this));
};
JoinObserverPrototype.removeActivePlan = function (activePlan) {
this.activePlans.splice(this.activePlans.indexOf(activePlan), 1);
this.activePlans.length === 0 && this.dispose();
};
JoinObserverPrototype.dispose = function () {
__super__.prototype.dispose.call(this);
if (!this.isDisposed) {
this.isDisposed = true;
this.subscription.dispose();
}
};
return JoinObserver;
} (AbstractObserver));
/**
* Creates a pattern that matches when both observable sequences have an available value.
*
* @param right Observable sequence to match with the current sequence.
* @return {Pattern} Pattern object that matches when both observable sequences have an available value.
*/
observableProto.and = function (right) {
return new Pattern([this, right]);
};
/**
* Matches when the observable sequence has an available value and projects the value.
*
* @param {Function} selector Selector that will be invoked for values in the source sequence.
* @returns {Plan} Plan that produces the projected values, to be fed (with other plans) to the when operator.
*/
observableProto.thenDo = function (selector) {
return new Pattern([this]).thenDo(selector);
};
/**
* Joins together the results from several patterns.
*
* @param plans A series of plans (specified as an Array of as a series of arguments) created by use of the Then operator on patterns.
* @returns {Observable} Observable sequence with the results form matching several patterns.
*/
Observable.when = function () {
var len = arguments.length, plans;
if (Array.isArray(arguments[0])) {
plans = arguments[0];
} else {
plans = new Array(len);
for(var i = 0; i < len; i++) { plans[i] = arguments[i]; }
}
return new AnonymousObservable(function (o) {
var activePlans = [],
externalSubscriptions = new Map();
var outObserver = observerCreate(
function (x) { o.onNext(x); },
function (err) {
externalSubscriptions.forEach(function (v) { v.onError(err); });
o.onError(err);
},
function (x) { o.onCompleted(); }
);
try {
for (var i = 0, len = plans.length; i < len; i++) {
activePlans.push(plans[i].activate(externalSubscriptions, outObserver, function (activePlan) {
var idx = activePlans.indexOf(activePlan);
activePlans.splice(idx, 1);
activePlans.length === 0 && o.onCompleted();
}));
}
} catch (e) {
return observableThrow(e).subscribe(o);
}
var group = new CompositeDisposable();
externalSubscriptions.forEach(function (joinObserver) {
joinObserver.subscribe();
group.add(joinObserver);
});
return group;
});
};
var TimerObservable = (function(__super__) {
inherits(TimerObservable, __super__);
function TimerObservable(dt, s) {
this._dt = dt;
this._s = s;
__super__.call(this);
}
TimerObservable.prototype.subscribeCore = function (o) {
return this._s.scheduleFuture(o, this._dt, scheduleMethod);
};
function scheduleMethod(s, o) {
o.onNext(0);
o.onCompleted();
}
return TimerObservable;
}(ObservableBase));
function _observableTimer(dueTime, scheduler) {
return new TimerObservable(dueTime, scheduler);
}
function observableTimerDateAndPeriod(dueTime, period, scheduler) {
return new AnonymousObservable(function (observer) {
var d = dueTime, p = normalizeTime(period);
return scheduler.scheduleRecursiveFuture(0, d, function (count, self) {
if (p > 0) {
var now = scheduler.now();
d = new Date(d.getTime() + p);
d.getTime() <= now && (d = new Date(now + p));
}
observer.onNext(count);
self(count + 1, new Date(d));
});
});
}
function observableTimerTimeSpanAndPeriod(dueTime, period, scheduler) {
return dueTime === period ?
new AnonymousObservable(function (observer) {
return scheduler.schedulePeriodic(0, period, function (count) {
observer.onNext(count);
return count + 1;
});
}) :
observableDefer(function () {
return observableTimerDateAndPeriod(new Date(scheduler.now() + dueTime), period, scheduler);
});
}
/**
* Returns an observable sequence that produces a value after each period.
*
* @example
* 1 - res = Rx.Observable.interval(1000);
* 2 - res = Rx.Observable.interval(1000, Rx.Scheduler.timeout);
*
* @param {Number} period Period for producing the values in the resulting sequence (specified as an integer denoting milliseconds).
* @param {Scheduler} [scheduler] Scheduler to run the timer on. If not specified, Rx.Scheduler.timeout is used.
* @returns {Observable} An observable sequence that produces a value after each period.
*/
var observableinterval = Observable.interval = function (period, scheduler) {
return observableTimerTimeSpanAndPeriod(period, period, isScheduler(scheduler) ? scheduler : defaultScheduler);
};
/**
* Returns an observable sequence that produces a value after dueTime has elapsed and then after each period.
* @param {Number} dueTime Absolute (specified as a Date object) or relative time (specified as an integer denoting milliseconds) at which to produce the first value.
* @param {Mixed} [periodOrScheduler] Period to produce subsequent values (specified as an integer denoting milliseconds), or the scheduler to run the timer on. If not specified, the resulting timer is not recurring.
* @param {Scheduler} [scheduler] Scheduler to run the timer on. If not specified, the timeout scheduler is used.
* @returns {Observable} An observable sequence that produces a value after due time has elapsed and then each period.
*/
var observableTimer = Observable.timer = function (dueTime, periodOrScheduler, scheduler) {
var period;
isScheduler(scheduler) || (scheduler = defaultScheduler);
if (periodOrScheduler != null && typeof periodOrScheduler === 'number') {
period = periodOrScheduler;
} else if (isScheduler(periodOrScheduler)) {
scheduler = periodOrScheduler;
}
if ((dueTime instanceof Date || typeof dueTime === 'number') && period === undefined) {
return _observableTimer(dueTime, scheduler);
}
if (dueTime instanceof Date && period !== undefined) {
return observableTimerDateAndPeriod(dueTime, periodOrScheduler, scheduler);
}
return observableTimerTimeSpanAndPeriod(dueTime, period, scheduler);
};
function observableDelayRelative(source, dueTime, scheduler) {
return new AnonymousObservable(function (o) {
var active = false,
cancelable = new SerialDisposable(),
exception = null,
q = [],
running = false,
subscription;
subscription = source.materialize().timestamp(scheduler).subscribe(function (notification) {
var d, shouldRun;
if (notification.value.kind === 'E') {
q = [];
q.push(notification);
exception = notification.value.error;
shouldRun = !running;
} else {
q.push({ value: notification.value, timestamp: notification.timestamp + dueTime });
shouldRun = !active;
active = true;
}
if (shouldRun) {
if (exception !== null) {
o.onError(exception);
} else {
d = new SingleAssignmentDisposable();
cancelable.setDisposable(d);
d.setDisposable(scheduler.scheduleRecursiveFuture(null, dueTime, function (_, self) {
var e, recurseDueTime, result, shouldRecurse;
if (exception !== null) {
return;
}
running = true;
do {
result = null;
if (q.length > 0 && q[0].timestamp - scheduler.now() <= 0) {
result = q.shift().value;
}
if (result !== null) {
result.accept(o);
}
} while (result !== null);
shouldRecurse = false;
recurseDueTime = 0;
if (q.length > 0) {
shouldRecurse = true;
recurseDueTime = Math.max(0, q[0].timestamp - scheduler.now());
} else {
active = false;
}
e = exception;
running = false;
if (e !== null) {
o.onError(e);
} else if (shouldRecurse) {
self(null, recurseDueTime);
}
}));
}
}
});
return new BinaryDisposable(subscription, cancelable);
}, source);
}
function observableDelayAbsolute(source, dueTime, scheduler) {
return observableDefer(function () {
return observableDelayRelative(source, dueTime - scheduler.now(), scheduler);
});
}
function delayWithSelector(source, subscriptionDelay, delayDurationSelector) {
var subDelay, selector;
if (isFunction(subscriptionDelay)) {
selector = subscriptionDelay;
} else {
subDelay = subscriptionDelay;
selector = delayDurationSelector;
}
return new AnonymousObservable(function (o) {
var delays = new CompositeDisposable(), atEnd = false, subscription = new SerialDisposable();
function start() {
subscription.setDisposable(source.subscribe(
function (x) {
var delay = tryCatch(selector)(x);
if (delay === errorObj) { return o.onError(delay.e); }
var d = new SingleAssignmentDisposable();
delays.add(d);
d.setDisposable(delay.subscribe(
function () {
o.onNext(x);
delays.remove(d);
done();
},
function (e) { o.onError(e); },
function () {
o.onNext(x);
delays.remove(d);
done();
}
));
},
function (e) { o.onError(e); },
function () {
atEnd = true;
subscription.dispose();
done();
}
));
}
function done () {
atEnd && delays.length === 0 && o.onCompleted();
}
if (!subDelay) {
start();
} else {
subscription.setDisposable(subDelay.subscribe(start, function (e) { o.onError(e); }, start));
}
return new BinaryDisposable(subscription, delays);
}, source);
}
/**
* Time shifts the observable sequence by dueTime.
* The relative time intervals between the values are preserved.
*
* @param {Number} dueTime Absolute (specified as a Date object) or relative time (specified as an integer denoting milliseconds) by which to shift the observable sequence.
* @param {Scheduler} [scheduler] Scheduler to run the delay timers on. If not specified, the timeout scheduler is used.
* @returns {Observable} Time-shifted sequence.
*/
observableProto.delay = function () {
var firstArg = arguments[0];
if (typeof firstArg === 'number' || firstArg instanceof Date) {
var dueTime = firstArg, scheduler = arguments[1];
isScheduler(scheduler) || (scheduler = defaultScheduler);
return dueTime instanceof Date ?
observableDelayAbsolute(this, dueTime, scheduler) :
observableDelayRelative(this, dueTime, scheduler);
} else if (Observable.isObservable(firstArg) || isFunction(firstArg)) {
return delayWithSelector(this, firstArg, arguments[1]);
} else {
throw new Error('Invalid arguments');
}
};
var DebounceObservable = (function (__super__) {
inherits(DebounceObservable, __super__);
function DebounceObservable(source, dt, s) {
isScheduler(s) || (s = defaultScheduler);
this.source = source;
this._dt = dt;
this._s = s;
__super__.call(this);
}
DebounceObservable.prototype.subscribeCore = function (o) {
var cancelable = new SerialDisposable();
return new BinaryDisposable(
this.source.subscribe(new DebounceObserver(o, this._dt, this._s, cancelable)),
cancelable);
};
return DebounceObservable;
}(ObservableBase));
var DebounceObserver = (function (__super__) {
inherits(DebounceObserver, __super__);
function DebounceObserver(observer, dueTime, scheduler, cancelable) {
this._o = observer;
this._d = dueTime;
this._scheduler = scheduler;
this._c = cancelable;
this._v = null;
this._hv = false;
this._id = 0;
__super__.call(this);
}
function scheduleFuture(s, state) {
state.self._hv && state.self._id === state.currentId && state.self._o.onNext(state.x);
state.self._hv = false;
}
DebounceObserver.prototype.next = function (x) {
this._hv = true;
this._v = x;
var currentId = ++this._id, d = new SingleAssignmentDisposable();
this._c.setDisposable(d);
d.setDisposable(this._scheduler.scheduleFuture(this, this._d, function (_, self) {
self._hv && self._id === currentId && self._o.onNext(x);
self._hv = false;
}));
};
DebounceObserver.prototype.error = function (e) {
this._c.dispose();
this._o.onError(e);
this._hv = false;
this._id++;
};
DebounceObserver.prototype.completed = function () {
this._c.dispose();
this._hv && this._o.onNext(this._v);
this._o.onCompleted();
this._hv = false;
this._id++;
};
return DebounceObserver;
}(AbstractObserver));
function debounceWithSelector(source, durationSelector) {
return new AnonymousObservable(function (o) {
var value, hasValue = false, cancelable = new SerialDisposable(), id = 0;
var subscription = source.subscribe(
function (x) {
var throttle = tryCatch(durationSelector)(x);
if (throttle === errorObj) { return o.onError(throttle.e); }
isPromise(throttle) && (throttle = observableFromPromise(throttle));
hasValue = true;
value = x;
id++;
var currentid = id, d = new SingleAssignmentDisposable();
cancelable.setDisposable(d);
d.setDisposable(throttle.subscribe(
function () {
hasValue && id === currentid && o.onNext(value);
hasValue = false;
d.dispose();
},
function (e) { o.onError(e); },
function () {
hasValue && id === currentid && o.onNext(value);
hasValue = false;
d.dispose();
}
));
},
function (e) {
cancelable.dispose();
o.onError(e);
hasValue = false;
id++;
},
function () {
cancelable.dispose();
hasValue && o.onNext(value);
o.onCompleted();
hasValue = false;
id++;
}
);
return new BinaryDisposable(subscription, cancelable);
}, source);
}
observableProto.debounce = function () {
if (isFunction (arguments[0])) {
return debounceWithSelector(this, arguments[0]);
} else if (typeof arguments[0] === 'number') {
return new DebounceObservable(this, arguments[0], arguments[1]);
} else {
throw new Error('Invalid arguments');
}
};
/**
* Projects each element of an observable sequence into zero or more windows which are produced based on timing information.
* @param {Number} timeSpan Length of each window (specified as an integer denoting milliseconds).
* @param {Mixed} [timeShiftOrScheduler] Interval between creation of consecutive windows (specified as an integer denoting milliseconds), or an optional scheduler parameter. If not specified, the time shift corresponds to the timeSpan parameter, resulting in non-overlapping adjacent windows.
* @param {Scheduler} [scheduler] Scheduler to run windowing timers on. If not specified, the timeout scheduler is used.
* @returns {Observable} An observable sequence of windows.
*/
observableProto.windowWithTime = observableProto.windowTime = function (timeSpan, timeShiftOrScheduler, scheduler) {
var source = this, timeShift;
timeShiftOrScheduler == null && (timeShift = timeSpan);
isScheduler(scheduler) || (scheduler = defaultScheduler);
if (typeof timeShiftOrScheduler === 'number') {
timeShift = timeShiftOrScheduler;
} else if (isScheduler(timeShiftOrScheduler)) {
timeShift = timeSpan;
scheduler = timeShiftOrScheduler;
}
return new AnonymousObservable(function (observer) {
var groupDisposable,
nextShift = timeShift,
nextSpan = timeSpan,
q = [],
refCountDisposable,
timerD = new SerialDisposable(),
totalTime = 0;
groupDisposable = new CompositeDisposable(timerD),
refCountDisposable = new RefCountDisposable(groupDisposable);
function createTimer () {
var m = new SingleAssignmentDisposable(),
isSpan = false,
isShift = false;
timerD.setDisposable(m);
if (nextSpan === nextShift) {
isSpan = true;
isShift = true;
} else if (nextSpan < nextShift) {
isSpan = true;
} else {
isShift = true;
}
var newTotalTime = isSpan ? nextSpan : nextShift,
ts = newTotalTime - totalTime;
totalTime = newTotalTime;
if (isSpan) {
nextSpan += timeShift;
}
if (isShift) {
nextShift += timeShift;
}
m.setDisposable(scheduler.scheduleFuture(null, ts, function () {
if (isShift) {
var s = new Subject();
q.push(s);
observer.onNext(addRef(s, refCountDisposable));
}
isSpan && q.shift().onCompleted();
createTimer();
}));
};
q.push(new Subject());
observer.onNext(addRef(q[0], refCountDisposable));
createTimer();
groupDisposable.add(source.subscribe(
function (x) {
for (var i = 0, len = q.length; i < len; i++) { q[i].onNext(x); }
},
function (e) {
for (var i = 0, len = q.length; i < len; i++) { q[i].onError(e); }
observer.onError(e);
},
function () {
for (var i = 0, len = q.length; i < len; i++) { q[i].onCompleted(); }
observer.onCompleted();
}
));
return refCountDisposable;
}, source);
};
/**
* Projects each element of an observable sequence into a window that is completed when either it's full or a given amount of time has elapsed.
* @param {Number} timeSpan Maximum time length of a window.
* @param {Number} count Maximum element count of a window.
* @param {Scheduler} [scheduler] Scheduler to run windowing timers on. If not specified, the timeout scheduler is used.
* @returns {Observable} An observable sequence of windows.
*/
observableProto.windowWithTimeOrCount = observableProto.windowTimeOrCount = function (timeSpan, count, scheduler) {
var source = this;
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new AnonymousObservable(function (observer) {
var timerD = new SerialDisposable(),
groupDisposable = new CompositeDisposable(timerD),
refCountDisposable = new RefCountDisposable(groupDisposable),
n = 0,
windowId = 0,
s = new Subject();
function createTimer(id) {
var m = new SingleAssignmentDisposable();
timerD.setDisposable(m);
m.setDisposable(scheduler.scheduleFuture(null, timeSpan, function () {
if (id !== windowId) { return; }
n = 0;
var newId = ++windowId;
s.onCompleted();
s = new Subject();
observer.onNext(addRef(s, refCountDisposable));
createTimer(newId);
}));
}
observer.onNext(addRef(s, refCountDisposable));
createTimer(0);
groupDisposable.add(source.subscribe(
function (x) {
var newId = 0, newWindow = false;
s.onNext(x);
if (++n === count) {
newWindow = true;
n = 0;
newId = ++windowId;
s.onCompleted();
s = new Subject();
observer.onNext(addRef(s, refCountDisposable));
}
newWindow && createTimer(newId);
},
function (e) {
s.onError(e);
observer.onError(e);
}, function () {
s.onCompleted();
observer.onCompleted();
}
));
return refCountDisposable;
}, source);
};
function toArray(x) { return x.toArray(); }
/**
* Projects each element of an observable sequence into zero or more buffers which are produced based on timing information.
* @param {Number} timeSpan Length of each buffer (specified as an integer denoting milliseconds).
* @param {Mixed} [timeShiftOrScheduler] Interval between creation of consecutive buffers (specified as an integer denoting milliseconds), or an optional scheduler parameter. If not specified, the time shift corresponds to the timeSpan parameter, resulting in non-overlapping adjacent buffers.
* @param {Scheduler} [scheduler] Scheduler to run buffer timers on. If not specified, the timeout scheduler is used.
* @returns {Observable} An observable sequence of buffers.
*/
observableProto.bufferWithTime = observableProto.bufferTime = function (timeSpan, timeShiftOrScheduler, scheduler) {
return this.windowWithTime(timeSpan, timeShiftOrScheduler, scheduler).flatMap(toArray);
};
function toArray(x) { return x.toArray(); }
/**
* Projects each element of an observable sequence into a buffer that is completed when either it's full or a given amount of time has elapsed.
* @param {Number} timeSpan Maximum time length of a buffer.
* @param {Number} count Maximum element count of a buffer.
* @param {Scheduler} [scheduler] Scheduler to run bufferin timers on. If not specified, the timeout scheduler is used.
* @returns {Observable} An observable sequence of buffers.
*/
observableProto.bufferWithTimeOrCount = observableProto.bufferTimeOrCount = function (timeSpan, count, scheduler) {
return this.windowWithTimeOrCount(timeSpan, count, scheduler).flatMap(toArray);
};
var TimeIntervalObservable = (function (__super__) {
inherits(TimeIntervalObservable, __super__);
function TimeIntervalObservable(source, s) {
this.source = source;
this._s = s;
__super__.call(this);
}
TimeIntervalObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new TimeIntervalObserver(o, this._s));
};
return TimeIntervalObservable;
}(ObservableBase));
var TimeIntervalObserver = (function (__super__) {
inherits(TimeIntervalObserver, __super__);
function TimeIntervalObserver(o, s) {
this._o = o;
this._s = s;
this._l = s.now();
__super__.call(this);
}
TimeIntervalObserver.prototype.next = function (x) {
var now = this._s.now(), span = now - this._l;
this._l = now;
this._o.onNext({ value: x, interval: span });
};
TimeIntervalObserver.prototype.error = function (e) { this._o.onError(e); };
TimeIntervalObserver.prototype.completed = function () { this._o.onCompleted(); };
return TimeIntervalObserver;
}(AbstractObserver));
/**
* Records the time interval between consecutive values in an observable sequence.
*
* @example
* 1 - res = source.timeInterval();
* 2 - res = source.timeInterval(Rx.Scheduler.timeout);
*
* @param [scheduler] Scheduler used to compute time intervals. If not specified, the timeout scheduler is used.
* @returns {Observable} An observable sequence with time interval information on values.
*/
observableProto.timeInterval = function (scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new TimeIntervalObservable(this, scheduler);
};
var TimestampObservable = (function (__super__) {
inherits(TimestampObservable, __super__);
function TimestampObservable(source, s) {
this.source = source;
this._s = s;
__super__.call(this);
}
TimestampObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new TimestampObserver(o, this._s));
};
return TimestampObservable;
}(ObservableBase));
var TimestampObserver = (function (__super__) {
inherits(TimestampObserver, __super__);
function TimestampObserver(o, s) {
this._o = o;
this._s = s;
__super__.call(this);
}
TimestampObserver.prototype.next = function (x) {
this._o.onNext({ value: x, timestamp: this._s.now() });
};
TimestampObserver.prototype.error = function (e) {
this._o.onError(e);
};
TimestampObserver.prototype.completed = function () {
this._o.onCompleted();
};
return TimestampObserver;
}(AbstractObserver));
/**
* Records the timestamp for each value in an observable sequence.
*
* @example
* 1 - res = source.timestamp(); // produces { value: x, timestamp: ts }
* 2 - res = source.timestamp(Rx.Scheduler.default);
*
* @param {Scheduler} [scheduler] Scheduler used to compute timestamps. If not specified, the default scheduler is used.
* @returns {Observable} An observable sequence with timestamp information on values.
*/
observableProto.timestamp = function (scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new TimestampObservable(this, scheduler);
};
var SampleObservable = (function(__super__) {
inherits(SampleObservable, __super__);
function SampleObservable(source, sampler) {
this.source = source;
this._sampler = sampler;
__super__.call(this);
}
SampleObservable.prototype.subscribeCore = function (o) {
var state = {
o: o,
atEnd: false,
value: null,
hasValue: false,
sourceSubscription: new SingleAssignmentDisposable()
};
state.sourceSubscription.setDisposable(this.source.subscribe(new SampleSourceObserver(state)));
return new BinaryDisposable(
state.sourceSubscription,
this._sampler.subscribe(new SamplerObserver(state))
);
};
return SampleObservable;
}(ObservableBase));
var SamplerObserver = (function(__super__) {
inherits(SamplerObserver, __super__);
function SamplerObserver(s) {
this._s = s;
__super__.call(this);
}
SamplerObserver.prototype._handleMessage = function () {
if (this._s.hasValue) {
this._s.hasValue = false;
this._s.o.onNext(this._s.value);
}
this._s.atEnd && this._s.o.onCompleted();
};
SamplerObserver.prototype.next = function () { this._handleMessage(); };
SamplerObserver.prototype.error = function (e) { this._s.onError(e); };
SamplerObserver.prototype.completed = function () { this._handleMessage(); };
return SamplerObserver;
}(AbstractObserver));
var SampleSourceObserver = (function(__super__) {
inherits(SampleSourceObserver, __super__);
function SampleSourceObserver(s) {
this._s = s;
__super__.call(this);
}
SampleSourceObserver.prototype.next = function (x) {
this._s.hasValue = true;
this._s.value = x;
};
SampleSourceObserver.prototype.error = function (e) { this._s.o.onError(e); };
SampleSourceObserver.prototype.completed = function () {
this._s.atEnd = true;
this._s.sourceSubscription.dispose();
};
return SampleSourceObserver;
}(AbstractObserver));
/**
* Samples the observable sequence at each interval.
*
* @example
* 1 - res = source.sample(sampleObservable); // Sampler tick sequence
* 2 - res = source.sample(5000); // 5 seconds
* 2 - res = source.sample(5000, Rx.Scheduler.timeout); // 5 seconds
*
* @param {Mixed} intervalOrSampler Interval at which to sample (specified as an integer denoting milliseconds) or Sampler Observable.
* @param {Scheduler} [scheduler] Scheduler to run the sampling timer on. If not specified, the timeout scheduler is used.
* @returns {Observable} Sampled observable sequence.
*/
observableProto.sample = function (intervalOrSampler, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return typeof intervalOrSampler === 'number' ?
new SampleObservable(this, observableinterval(intervalOrSampler, scheduler)) :
new SampleObservable(this, intervalOrSampler);
};
var TimeoutError = Rx.TimeoutError = function(message) {
this.message = message || 'Timeout has occurred';
this.name = 'TimeoutError';
Error.call(this);
};
TimeoutError.prototype = Object.create(Error.prototype);
function timeoutWithSelector(source, firstTimeout, timeoutDurationSelector, other) {
if (isFunction(firstTimeout)) {
other = timeoutDurationSelector;
timeoutDurationSelector = firstTimeout;
firstTimeout = observableNever();
}
Observable.isObservable(other) || (other = observableThrow(new TimeoutError()));
return new AnonymousObservable(function (o) {
var subscription = new SerialDisposable(),
timer = new SerialDisposable(),
original = new SingleAssignmentDisposable();
subscription.setDisposable(original);
var id = 0, switched = false;
function setTimer(timeout) {
var myId = id, d = new SingleAssignmentDisposable();
function timerWins() {
switched = (myId === id);
return switched;
}
timer.setDisposable(d);
d.setDisposable(timeout.subscribe(function () {
timerWins() && subscription.setDisposable(other.subscribe(o));
d.dispose();
}, function (e) {
timerWins() && o.onError(e);
}, function () {
timerWins() && subscription.setDisposable(other.subscribe(o));
}));
};
setTimer(firstTimeout);
function oWins() {
var res = !switched;
if (res) { id++; }
return res;
}
original.setDisposable(source.subscribe(function (x) {
if (oWins()) {
o.onNext(x);
var timeout = tryCatch(timeoutDurationSelector)(x);
if (timeout === errorObj) { return o.onError(timeout.e); }
setTimer(isPromise(timeout) ? observableFromPromise(timeout) : timeout);
}
}, function (e) {
oWins() && o.onError(e);
}, function () {
oWins() && o.onCompleted();
}));
return new BinaryDisposable(subscription, timer);
}, source);
}
function timeout(source, dueTime, other, scheduler) {
if (isScheduler(other)) {
scheduler = other;
other = observableThrow(new TimeoutError());
}
if (other instanceof Error) { other = observableThrow(other); }
isScheduler(scheduler) || (scheduler = defaultScheduler);
Observable.isObservable(other) || (other = observableThrow(new TimeoutError()));
return new AnonymousObservable(function (o) {
var id = 0,
original = new SingleAssignmentDisposable(),
subscription = new SerialDisposable(),
switched = false,
timer = new SerialDisposable();
subscription.setDisposable(original);
function createTimer() {
var myId = id;
timer.setDisposable(scheduler.scheduleFuture(null, dueTime, function () {
switched = id === myId;
if (switched) {
isPromise(other) && (other = observableFromPromise(other));
subscription.setDisposable(other.subscribe(o));
}
}));
}
createTimer();
original.setDisposable(source.subscribe(function (x) {
if (!switched) {
id++;
o.onNext(x);
createTimer();
}
}, function (e) {
if (!switched) {
id++;
o.onError(e);
}
}, function () {
if (!switched) {
id++;
o.onCompleted();
}
}));
return new BinaryDisposable(subscription, timer);
}, source);
}
observableProto.timeout = function () {
var firstArg = arguments[0];
if (firstArg instanceof Date || typeof firstArg === 'number') {
return timeout(this, firstArg, arguments[1], arguments[2]);
} else if (Observable.isObservable(firstArg) || isFunction(firstArg)) {
return timeoutWithSelector(this, firstArg, arguments[1], arguments[2]);
} else {
throw new Error('Invalid arguments');
}
};
var GenerateAbsoluteObservable = (function (__super__) {
inherits(GenerateAbsoluteObservable, __super__);
function GenerateAbsoluteObservable(state, cndFn, itrFn, resFn, timeFn, s) {
this._state = state;
this._cndFn = cndFn;
this._itrFn = itrFn;
this._resFn = resFn;
this._timeFn = timeFn;
this._s = s;
__super__.call(this);
}
function scheduleRecursive(state, recurse) {
state.hasResult && state.o.onNext(state.result);
if (state.first) {
state.first = false;
} else {
state.newState = tryCatch(state.self._itrFn)(state.newState);
if (state.newState === errorObj) { return state.o.onError(state.newState.e); }
}
state.hasResult = tryCatch(state.self._cndFn)(state.newState);
if (state.hasResult === errorObj) { return state.o.onError(state.hasResult.e); }
if (state.hasResult) {
state.result = tryCatch(state.self._resFn)(state.newState);
if (state.result === errorObj) { return state.o.onError(state.result.e); }
var time = tryCatch(state.self._timeFn)(state.newState);
if (time === errorObj) { return state.o.onError(time.e); }
recurse(state, time);
} else {
state.o.onCompleted();
}
}
GenerateAbsoluteObservable.prototype.subscribeCore = function (o) {
var state = {
o: o,
self: this,
newState: this._state,
first: true,
hasResult: false
};
return this._s.scheduleRecursiveFuture(state, new Date(this._s.now()), scheduleRecursive);
};
return GenerateAbsoluteObservable;
}(ObservableBase));
/**
* GenerateAbsolutes an observable sequence by iterating a state from an initial state until the condition fails.
*
* @example
* res = source.generateWithAbsoluteTime(0,
* function (x) { return return true; },
* function (x) { return x + 1; },
* function (x) { return x; },
* function (x) { return new Date(); }
* });
*
* @param {Mixed} initialState Initial state.
* @param {Function} condition Condition to terminate generation (upon returning false).
* @param {Function} iterate Iteration step function.
* @param {Function} resultSelector Selector function for results produced in the sequence.
* @param {Function} timeSelector Time selector function to control the speed of values being produced each iteration, returning Date values.
* @param {Scheduler} [scheduler] Scheduler on which to run the generator loop. If not specified, the timeout scheduler is used.
* @returns {Observable} The generated sequence.
*/
Observable.generateWithAbsoluteTime = function (initialState, condition, iterate, resultSelector, timeSelector, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new GenerateAbsoluteObservable(initialState, condition, iterate, resultSelector, timeSelector, scheduler);
};
var GenerateRelativeObservable = (function (__super__) {
inherits(GenerateRelativeObservable, __super__);
function GenerateRelativeObservable(state, cndFn, itrFn, resFn, timeFn, s) {
this._state = state;
this._cndFn = cndFn;
this._itrFn = itrFn;
this._resFn = resFn;
this._timeFn = timeFn;
this._s = s;
__super__.call(this);
}
function scheduleRecursive(state, recurse) {
state.hasResult && state.o.onNext(state.result);
if (state.first) {
state.first = false;
} else {
state.newState = tryCatch(state.self._itrFn)(state.newState);
if (state.newState === errorObj) { return state.o.onError(state.newState.e); }
}
state.hasResult = tryCatch(state.self._cndFn)(state.newState);
if (state.hasResult === errorObj) { return state.o.onError(state.hasResult.e); }
if (state.hasResult) {
state.result = tryCatch(state.self._resFn)(state.newState);
if (state.result === errorObj) { return state.o.onError(state.result.e); }
var time = tryCatch(state.self._timeFn)(state.newState);
if (time === errorObj) { return state.o.onError(time.e); }
recurse(state, time);
} else {
state.o.onCompleted();
}
}
GenerateRelativeObservable.prototype.subscribeCore = function (o) {
var state = {
o: o,
self: this,
newState: this._state,
first: true,
hasResult: false
};
return this._s.scheduleRecursiveFuture(state, 0, scheduleRecursive);
};
return GenerateRelativeObservable;
}(ObservableBase));
/**
* Generates an observable sequence by iterating a state from an initial state until the condition fails.
*
* @example
* res = source.generateWithRelativeTime(0,
* function (x) { return return true; },
* function (x) { return x + 1; },
* function (x) { return x; },
* function (x) { return 500; }
* );
*
* @param {Mixed} initialState Initial state.
* @param {Function} condition Condition to terminate generation (upon returning false).
* @param {Function} iterate Iteration step function.
* @param {Function} resultSelector Selector function for results produced in the sequence.
* @param {Function} timeSelector Time selector function to control the speed of values being produced each iteration, returning integer values denoting milliseconds.
* @param {Scheduler} [scheduler] Scheduler on which to run the generator loop. If not specified, the timeout scheduler is used.
* @returns {Observable} The generated sequence.
*/
Observable.generateWithRelativeTime = function (initialState, condition, iterate, resultSelector, timeSelector, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new GenerateRelativeObservable(initialState, condition, iterate, resultSelector, timeSelector, scheduler);
};
var DelaySubscription = (function(__super__) {
inherits(DelaySubscription, __super__);
function DelaySubscription(source, dt, s) {
this.source = source;
this._dt = dt;
this._s = s;
__super__.call(this);
}
DelaySubscription.prototype.subscribeCore = function (o) {
var d = new SerialDisposable();
d.setDisposable(this._s.scheduleFuture([this.source, o, d], this._dt, scheduleMethod));
return d;
};
function scheduleMethod(s, state) {
var source = state[0], o = state[1], d = state[2];
d.setDisposable(source.subscribe(o));
}
return DelaySubscription;
}(ObservableBase));
/**
* Time shifts the observable sequence by delaying the subscription with the specified relative time duration, using the specified scheduler to run timers.
*
* @example
* 1 - res = source.delaySubscription(5000); // 5s
* 2 - res = source.delaySubscription(5000, Rx.Scheduler.default); // 5 seconds
*
* @param {Number} dueTime Relative or absolute time shift of the subscription.
* @param {Scheduler} [scheduler] Scheduler to run the subscription delay timer on. If not specified, the timeout scheduler is used.
* @returns {Observable} Time-shifted sequence.
*/
observableProto.delaySubscription = function (dueTime, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new DelaySubscription(this, dueTime, scheduler);
};
var SkipLastWithTimeObservable = (function (__super__) {
inherits(SkipLastWithTimeObservable, __super__);
function SkipLastWithTimeObservable(source, d, s) {
this.source = source;
this._d = d;
this._s = s;
__super__.call(this);
}
SkipLastWithTimeObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new SkipLastWithTimeObserver(o, this));
};
return SkipLastWithTimeObservable;
}(ObservableBase));
var SkipLastWithTimeObserver = (function (__super__) {
inherits(SkipLastWithTimeObserver, __super__);
function SkipLastWithTimeObserver(o, p) {
this._o = o;
this._s = p._s;
this._d = p._d;
this._q = [];
__super__.call(this);
}
SkipLastWithTimeObserver.prototype.next = function (x) {
var now = this._s.now();
this._q.push({ interval: now, value: x });
while (this._q.length > 0 && now - this._q[0].interval >= this._d) {
this._o.onNext(this._q.shift().value);
}
};
SkipLastWithTimeObserver.prototype.error = function (e) { this._o.onError(e); };
SkipLastWithTimeObserver.prototype.completed = function () {
var now = this._s.now();
while (this._q.length > 0 && now - this._q[0].interval >= this._d) {
this._o.onNext(this._q.shift().value);
}
this._o.onCompleted();
};
return SkipLastWithTimeObserver;
}(AbstractObserver));
/**
* Skips elements for the specified duration from the end of the observable source sequence, using the specified scheduler to run timers.
* @description
* This operator accumulates a queue with a length enough to store elements received during the initial duration window.
* As more elements are received, elements older than the specified duration are taken from the queue and produced on the
* result sequence. This causes elements to be delayed with duration.
* @param {Number} duration Duration for skipping elements from the end of the sequence.
* @param {Scheduler} [scheduler] Scheduler to run the timer on. If not specified, defaults to Rx.Scheduler.timeout
* @returns {Observable} An observable sequence with the elements skipped during the specified duration from the end of the source sequence.
*/
observableProto.skipLastWithTime = function (duration, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new SkipLastWithTimeObservable(this, duration, scheduler);
};
var TakeLastWithTimeObservable = (function (__super__) {
inherits(TakeLastWithTimeObservable, __super__);
function TakeLastWithTimeObservable(source, d, s) {
this.source = source;
this._d = d;
this._s = s;
__super__.call(this);
}
TakeLastWithTimeObservable.prototype.subscribeCore = function (o) {
return this.source.subscribe(new TakeLastWithTimeObserver(o, this._d, this._s));
};
return TakeLastWithTimeObservable;
}(ObservableBase));
var TakeLastWithTimeObserver = (function (__super__) {
inherits(TakeLastWithTimeObserver, __super__);
function TakeLastWithTimeObserver(o, d, s) {
this._o = o;
this._d = d;
this._s = s;
this._q = [];
__super__.call(this);
}
TakeLastWithTimeObserver.prototype.next = function (x) {
var now = this._s.now();
this._q.push({ interval: now, value: x });
while (this._q.length > 0 && now - this._q[0].interval >= this._d) {
this._q.shift();
}
};
TakeLastWithTimeObserver.prototype.error = function (e) { this._o.onError(e); };
TakeLastWithTimeObserver.prototype.completed = function () {
var now = this._s.now();
while (this._q.length > 0) {
var next = this._q.shift();
if (now - next.interval <= this._d) { this._o.onNext(next.value); }
}
this._o.onCompleted();
};
return TakeLastWithTimeObserver;
}(AbstractObserver));
/**
* Returns elements within the specified duration from the end of the observable source sequence, using the specified schedulers to run timers and to drain the collected elements.
* @description
* This operator accumulates a queue with a length enough to store elements received during the initial duration window.
* As more elements are received, elements older than the specified duration are taken from the queue and produced on the
* result sequence. This causes elements to be delayed with duration.
* @param {Number} duration Duration for taking elements from the end of the sequence.
* @param {Scheduler} [scheduler] Scheduler to run the timer on. If not specified, defaults to Rx.Scheduler.timeout.
* @returns {Observable} An observable sequence with the elements taken during the specified duration from the end of the source sequence.
*/
observableProto.takeLastWithTime = function (duration, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new TakeLastWithTimeObservable(this, duration, scheduler);
};
/**
* Returns an array with the elements within the specified duration from the end of the observable source sequence, using the specified scheduler to run timers.
* @description
* This operator accumulates a queue with a length enough to store elements received during the initial duration window.
* As more elements are received, elements older than the specified duration are taken from the queue and produced on the
* result sequence. This causes elements to be delayed with duration.
* @param {Number} duration Duration for taking elements from the end of the sequence.
* @param {Scheduler} scheduler Scheduler to run the timer on. If not specified, defaults to Rx.Scheduler.timeout.
* @returns {Observable} An observable sequence containing a single array with the elements taken during the specified duration from the end of the source sequence.
*/
observableProto.takeLastBufferWithTime = function (duration, scheduler) {
var source = this;
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new AnonymousObservable(function (o) {
var q = [];
return source.subscribe(function (x) {
var now = scheduler.now();
q.push({ interval: now, value: x });
while (q.length > 0 && now - q[0].interval >= duration) {
q.shift();
}
}, function (e) { o.onError(e); }, function () {
var now = scheduler.now(), res = [];
while (q.length > 0) {
var next = q.shift();
now - next.interval <= duration && res.push(next.value);
}
o.onNext(res);
o.onCompleted();
});
}, source);
};
var TakeWithTimeObservable = (function (__super__) {
inherits(TakeWithTimeObservable, __super__);
function TakeWithTimeObservable(source, d, s) {
this.source = source;
this._d = d;
this._s = s;
__super__.call(this);
}
function scheduleMethod(s, o) {
o.onCompleted();
}
TakeWithTimeObservable.prototype.subscribeCore = function (o) {
return new BinaryDisposable(
this._s.scheduleFuture(o, this._d, scheduleMethod),
this.source.subscribe(o)
);
};
return TakeWithTimeObservable;
}(ObservableBase));
/**
* Takes elements for the specified duration from the start of the observable source sequence, using the specified scheduler to run timers.
*
* @example
* 1 - res = source.takeWithTime(5000, [optional scheduler]);
* @description
* This operator accumulates a queue with a length enough to store elements received during the initial duration window.
* As more elements are received, elements older than the specified duration are taken from the queue and produced on the
* result sequence. This causes elements to be delayed with duration.
* @param {Number} duration Duration for taking elements from the start of the sequence.
* @param {Scheduler} scheduler Scheduler to run the timer on. If not specified, defaults to Rx.Scheduler.timeout.
* @returns {Observable} An observable sequence with the elements taken during the specified duration from the start of the source sequence.
*/
observableProto.takeWithTime = function (duration, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new TakeWithTimeObservable(this, duration, scheduler);
};
var SkipWithTimeObservable = (function (__super__) {
inherits(SkipWithTimeObservable, __super__);
function SkipWithTimeObservable(source, d, s) {
this.source = source;
this._d = d;
this._s = s;
this._open = false;
__super__.call(this);
}
function scheduleMethod(s, self) {
self._open = true;
}
SkipWithTimeObservable.prototype.subscribeCore = function (o) {
return new BinaryDisposable(
this._s.scheduleFuture(this, this._d, scheduleMethod),
this.source.subscribe(new SkipWithTimeObserver(o, this))
);
};
return SkipWithTimeObservable;
}(ObservableBase));
var SkipWithTimeObserver = (function (__super__) {
inherits(SkipWithTimeObserver, __super__);
function SkipWithTimeObserver(o, p) {
this._o = o;
this._p = p;
__super__.call(this);
}
SkipWithTimeObserver.prototype.next = function (x) { this._p._open && this._o.onNext(x); };
SkipWithTimeObserver.prototype.error = function (e) { this._o.onError(e); };
SkipWithTimeObserver.prototype.completed = function () { this._o.onCompleted(); };
return SkipWithTimeObserver;
}(AbstractObserver));
/**
* Skips elements for the specified duration from the start of the observable source sequence, using the specified scheduler to run timers.
* @description
* Specifying a zero value for duration doesn't guarantee no elements will be dropped from the start of the source sequence.
* This is a side-effect of the asynchrony introduced by the scheduler, where the action that causes callbacks from the source sequence to be forwarded
* may not execute immediately, despite the zero due time.
*
* Errors produced by the source sequence are always forwarded to the result sequence, even if the error occurs before the duration.
* @param {Number} duration Duration for skipping elements from the start of the sequence.
* @param {Scheduler} scheduler Scheduler to run the timer on. If not specified, defaults to Rx.Scheduler.timeout.
* @returns {Observable} An observable sequence with the elements skipped during the specified duration from the start of the source sequence.
*/
observableProto.skipWithTime = function (duration, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new SkipWithTimeObservable(this, duration, scheduler);
};
var SkipUntilWithTimeObservable = (function (__super__) {
inherits(SkipUntilWithTimeObservable, __super__);
function SkipUntilWithTimeObservable(source, startTime, scheduler) {
this.source = source;
this._st = startTime;
this._s = scheduler;
__super__.call(this);
}
function scheduleMethod(s, state) {
state._open = true;
}
SkipUntilWithTimeObservable.prototype.subscribeCore = function (o) {
this._open = false;
return new BinaryDisposable(
this._s.scheduleFuture(this, this._st, scheduleMethod),
this.source.subscribe(new SkipUntilWithTimeObserver(o, this))
);
};
return SkipUntilWithTimeObservable;
}(ObservableBase));
var SkipUntilWithTimeObserver = (function (__super__) {
inherits(SkipUntilWithTimeObserver, __super__);
function SkipUntilWithTimeObserver(o, p) {
this._o = o;
this._p = p;
__super__.call(this);
}
SkipUntilWithTimeObserver.prototype.next = function (x) { this._p._open && this._o.onNext(x); };
SkipUntilWithTimeObserver.prototype.error = function (e) { this._o.onError(e); };
SkipUntilWithTimeObserver.prototype.completed = function () { this._o.onCompleted(); };
return SkipUntilWithTimeObserver;
}(AbstractObserver));
/**
* Skips elements from the observable source sequence until the specified start time, using the specified scheduler to run timers.
* Errors produced by the source sequence are always forwarded to the result sequence, even if the error occurs before the start time.
*
* @examples
* 1 - res = source.skipUntilWithTime(new Date(), [scheduler]);
* 2 - res = source.skipUntilWithTime(5000, [scheduler]);
* @param {Date|Number} startTime Time to start taking elements from the source sequence. If this value is less than or equal to Date(), no elements will be skipped.
* @param {Scheduler} [scheduler] Scheduler to run the timer on. If not specified, defaults to Rx.Scheduler.timeout.
* @returns {Observable} An observable sequence with the elements skipped until the specified start time.
*/
observableProto.skipUntilWithTime = function (startTime, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
return new SkipUntilWithTimeObservable(this, startTime, scheduler);
};
/**
* Takes elements for the specified duration until the specified end time, using the specified scheduler to run timers.
* @param {Number | Date} endTime Time to stop taking elements from the source sequence. If this value is less than or equal to new Date(), the result stream will complete immediately.
* @param {Scheduler} [scheduler] Scheduler to run the timer on.
* @returns {Observable} An observable sequence with the elements taken until the specified end time.
*/
observableProto.takeUntilWithTime = function (endTime, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
var source = this;
return new AnonymousObservable(function (o) {
return new BinaryDisposable(
scheduler.scheduleFuture(o, endTime, function (_, o) { o.onCompleted(); }),
source.subscribe(o));
}, source);
};
/**
* Returns an Observable that emits only the first item emitted by the source Observable during sequential time windows of a specified duration.
* @param {Number} windowDuration time to wait before emitting another item after emitting the last item
* @param {Scheduler} [scheduler] the Scheduler to use internally to manage the timers that handle timeout for each item. If not provided, defaults to Scheduler.timeout.
* @returns {Observable} An Observable that performs the throttle operation.
*/
observableProto.throttle = function (windowDuration, scheduler) {
isScheduler(scheduler) || (scheduler = defaultScheduler);
var duration = +windowDuration || 0;
if (duration <= 0) { throw new RangeError('windowDuration cannot be less or equal zero.'); }
var source = this;
return new AnonymousObservable(function (o) {
var lastOnNext = 0;
return source.subscribe(
function (x) {
var now = scheduler.now();
if (lastOnNext === 0 || now - lastOnNext >= duration) {
lastOnNext = now;
o.onNext(x);
}
},function (e) { o.onError(e); }, function () { o.onCompleted(); }
);
}, source);
};
var TransduceObserver = (function (__super__) {
inherits(TransduceObserver, __super__);
function TransduceObserver(o, xform) {
this._o = o;
this._xform = xform;
__super__.call(this);
}
TransduceObserver.prototype.next = function (x) {
var res = tryCatch(this._xform['@@transducer/step']).call(this._xform, this._o, x);
if (res === errorObj) { this._o.onError(res.e); }
};
TransduceObserver.prototype.error = function (e) { this._o.onError(e); };
TransduceObserver.prototype.completed = function () {
this._xform['@@transducer/result'](this._o);
};
return TransduceObserver;
}(AbstractObserver));
function transformForObserver(o) {
return {
'@@transducer/init': function() {
return o;
},
'@@transducer/step': function(obs, input) {
return obs.onNext(input);
},
'@@transducer/result': function(obs) {
return obs.onCompleted();
}
};
}
/**
* Executes a transducer to transform the observable sequence
* @param {Transducer} transducer A transducer to execute
* @returns {Observable} An Observable sequence containing the results from the transducer.
*/
observableProto.transduce = function(transducer) {
var source = this;
return new AnonymousObservable(function(o) {
var xform = transducer(transformForObserver(o));
return source.subscribe(new TransduceObserver(o, xform));
}, source);
};
var SwitchFirstObservable = (function (__super__) {
inherits(SwitchFirstObservable, __super__);
function SwitchFirstObservable(source) {
this.source = source;
__super__.call(this);
}
SwitchFirstObservable.prototype.subscribeCore = function (o) {
var m = new SingleAssignmentDisposable(),
g = new CompositeDisposable(),
state = {
hasCurrent: false,
isStopped: false,
o: o,
g: g
};
g.add(m);
m.setDisposable(this.source.subscribe(new SwitchFirstObserver(state)));
return g;
};
return SwitchFirstObservable;
}(ObservableBase));
var SwitchFirstObserver = (function(__super__) {
inherits(SwitchFirstObserver, __super__);
function SwitchFirstObserver(state) {
this._s = state;
__super__.call(this);
}
SwitchFirstObserver.prototype.next = function (x) {
if (!this._s.hasCurrent) {
this._s.hasCurrent = true;
isPromise(x) && (x = observableFromPromise(x));
var inner = new SingleAssignmentDisposable();
this._s.g.add(inner);
inner.setDisposable(x.subscribe(new InnerObserver(this._s, inner)));
}
};
SwitchFirstObserver.prototype.error = function (e) {
this._s.o.onError(e);
};
SwitchFirstObserver.prototype.completed = function () {
this._s.isStopped = true;
!this._s.hasCurrent && this._s.g.length === 1 && this._s.o.onCompleted();
};
inherits(InnerObserver, __super__);
function InnerObserver(state, inner) {
this._s = state;
this._i = inner;
__super__.call(this);
}
InnerObserver.prototype.next = function (x) { this._s.o.onNext(x); };
InnerObserver.prototype.error = function (e) { this._s.o.onError(e); };
InnerObserver.prototype.completed = function () {
this._s.g.remove(this._i);
this._s.hasCurrent = false;
this._s.isStopped && this._s.g.length === 1 && this._s.o.onCompleted();
};
return SwitchFirstObserver;
}(AbstractObserver));
/**
* Performs a exclusive waiting for the first to finish before subscribing to another observable.
* Observables that come in between subscriptions will be dropped on the floor.
* @returns {Observable} A exclusive observable with only the results that happen when subscribed.
*/
observableProto.switchFirst = function () {
return new SwitchFirstObservable(this);
};
observableProto.flatMapFirst = observableProto.exhaustMap = function(selector, resultSelector, thisArg) {
return new FlatMapObservable(this, selector, resultSelector, thisArg).switchFirst();
};
observableProto.flatMapWithMaxConcurrent = observableProto.flatMapMaxConcurrent = function(limit, selector, resultSelector, thisArg) {
return new FlatMapObservable(this, selector, resultSelector, thisArg).merge(limit);
};
/** Provides a set of extension methods for virtual time scheduling. */
var VirtualTimeScheduler = Rx.VirtualTimeScheduler = (function (__super__) {
inherits(VirtualTimeScheduler, __super__);
/**
* Creates a new virtual time scheduler with the specified initial clock value and absolute time comparer.
*
* @constructor
* @param {Number} initialClock Initial value for the clock.
* @param {Function} comparer Comparer to determine causality of events based on absolute time.
*/
function VirtualTimeScheduler(initialClock, comparer) {
this.clock = initialClock;
this.comparer = comparer;
this.isEnabled = false;
this.queue = new PriorityQueue(1024);
__super__.call(this);
}
var VirtualTimeSchedulerPrototype = VirtualTimeScheduler.prototype;
VirtualTimeSchedulerPrototype.now = function () {
return this.toAbsoluteTime(this.clock);
};
VirtualTimeSchedulerPrototype.schedule = function (state, action) {
return this.scheduleAbsolute(state, this.clock, action);
};
VirtualTimeSchedulerPrototype.scheduleFuture = function (state, dueTime, action) {
var dt = dueTime instanceof Date ?
this.toRelativeTime(dueTime - this.now()) :
this.toRelativeTime(dueTime);
return this.scheduleRelative(state, dt, action);
};
/**
* Adds a relative time value to an absolute time value.
* @param {Number} absolute Absolute virtual time value.
* @param {Number} relative Relative virtual time value to add.
* @return {Number} Resulting absolute virtual time sum value.
*/
VirtualTimeSchedulerPrototype.add = notImplemented;
/**
* Converts an absolute time to a number
* @param {Any} The absolute time.
* @returns {Number} The absolute time in ms
*/
VirtualTimeSchedulerPrototype.toAbsoluteTime = notImplemented;
/**
* Converts the TimeSpan value to a relative virtual time value.
* @param {Number} timeSpan TimeSpan value to convert.
* @return {Number} Corresponding relative virtual time value.
*/
VirtualTimeSchedulerPrototype.toRelativeTime = notImplemented;
/**
* Schedules a periodic piece of work by dynamically discovering the scheduler's capabilities. The periodic task will be emulated using recursive scheduling.
* @param {Mixed} state Initial state passed to the action upon the first iteration.
* @param {Number} period Period for running the work periodically.
* @param {Function} action Action to be executed, potentially updating the state.
* @returns {Disposable} The disposable object used to cancel the scheduled recurring action (best effort).
*/
VirtualTimeSchedulerPrototype.schedulePeriodic = function (state, period, action) {
var s = new SchedulePeriodicRecursive(this, state, period, action);
return s.start();
};
/**
* Schedules an action to be executed after dueTime.
* @param {Mixed} state State passed to the action to be executed.
* @param {Number} dueTime Relative time after which to execute the action.
* @param {Function} action Action to be executed.
* @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
*/
VirtualTimeSchedulerPrototype.scheduleRelative = function (state, dueTime, action) {
var runAt = this.add(this.clock, dueTime);
return this.scheduleAbsolute(state, runAt, action);
};
/**
* Starts the virtual time scheduler.
*/
VirtualTimeSchedulerPrototype.start = function () {
if (!this.isEnabled) {
this.isEnabled = true;
do {
var next = this.getNext();
if (next !== null) {
this.comparer(next.dueTime, this.clock) > 0 && (this.clock = next.dueTime);
next.invoke();
} else {
this.isEnabled = false;
}
} while (this.isEnabled);
}
};
/**
* Stops the virtual time scheduler.
*/
VirtualTimeSchedulerPrototype.stop = function () {
this.isEnabled = false;
};
/**
* Advances the scheduler's clock to the specified time, running all work till that point.
* @param {Number} time Absolute time to advance the scheduler's clock to.
*/
VirtualTimeSchedulerPrototype.advanceTo = function (time) {
var dueToClock = this.comparer(this.clock, time);
if (this.comparer(this.clock, time) > 0) { throw new ArgumentOutOfRangeError(); }
if (dueToClock === 0) { return; }
if (!this.isEnabled) {
this.isEnabled = true;
do {
var next = this.getNext();
if (next !== null && this.comparer(next.dueTime, time) <= 0) {
this.comparer(next.dueTime, this.clock) > 0 && (this.clock = next.dueTime);
next.invoke();
} else {
this.isEnabled = false;
}
} while (this.isEnabled);
this.clock = time;
}
};
/**
* Advances the scheduler's clock by the specified relative time, running all work scheduled for that timespan.
* @param {Number} time Relative time to advance the scheduler's clock by.
*/
VirtualTimeSchedulerPrototype.advanceBy = function (time) {
var dt = this.add(this.clock, time),
dueToClock = this.comparer(this.clock, dt);
if (dueToClock > 0) { throw new ArgumentOutOfRangeError(); }
if (dueToClock === 0) { return; }
this.advanceTo(dt);
};
/**
* Advances the scheduler's clock by the specified relative time.
* @param {Number} time Relative time to advance the scheduler's clock by.
*/
VirtualTimeSchedulerPrototype.sleep = function (time) {
var dt = this.add(this.clock, time);
if (this.comparer(this.clock, dt) >= 0) { throw new ArgumentOutOfRangeError(); }
this.clock = dt;
};
/**
* Gets the next scheduled item to be executed.
* @returns {ScheduledItem} The next scheduled item.
*/
VirtualTimeSchedulerPrototype.getNext = function () {
while (this.queue.length > 0) {
var next = this.queue.peek();
if (next.isCancelled()) {
this.queue.dequeue();
} else {
return next;
}
}
return null;
};
/**
* Schedules an action to be executed at dueTime.
* @param {Mixed} state State passed to the action to be executed.
* @param {Number} dueTime Absolute time at which to execute the action.
* @param {Function} action Action to be executed.
* @returns {Disposable} The disposable object used to cancel the scheduled action (best effort).
*/
VirtualTimeSchedulerPrototype.scheduleAbsolute = function (state, dueTime, action) {
var self = this;
function run(scheduler, state1) {
self.queue.remove(si);
return action(scheduler, state1);
}
var si = new ScheduledItem(this, state, run, dueTime, this.comparer);
this.queue.enqueue(si);
return si.disposable;
};
return VirtualTimeScheduler;
}(Scheduler));
/** Provides a virtual time scheduler that uses Date for absolute time and number for relative time. */
Rx.HistoricalScheduler = (function (__super__) {
inherits(HistoricalScheduler, __super__);
/**
* Creates a new historical scheduler with the specified initial clock value.
* @constructor
* @param {Number} initialClock Initial value for the clock.
* @param {Function} comparer Comparer to determine causality of events based on absolute time.
*/
function HistoricalScheduler(initialClock, comparer) {
var clock = initialClock == null ? 0 : initialClock;
var cmp = comparer || defaultSubComparer;
__super__.call(this, clock, cmp);
}
var HistoricalSchedulerProto = HistoricalScheduler.prototype;
/**
* Adds a relative time value to an absolute time value.
* @param {Number} absolute Absolute virtual time value.
* @param {Number} relative Relative virtual time value to add.
* @return {Number} Resulting absolute virtual time sum value.
*/
HistoricalSchedulerProto.add = function (absolute, relative) {
return absolute + relative;
};
HistoricalSchedulerProto.toAbsoluteTime = function (absolute) {
return new Date(absolute).getTime();
};
/**
* Converts the TimeSpan value to a relative virtual time value.
* @memberOf HistoricalScheduler
* @param {Number} timeSpan TimeSpan value to convert.
* @return {Number} Corresponding relative virtual time value.
*/
HistoricalSchedulerProto.toRelativeTime = function (timeSpan) {
return timeSpan;
};
return HistoricalScheduler;
}(Rx.VirtualTimeScheduler));
function OnNextPredicate(predicate) {
this.predicate = predicate;
}
OnNextPredicate.prototype.equals = function (other) {
if (other === this) { return true; }
if (other == null) { return false; }
if (other.kind !== 'N') { return false; }
return this.predicate(other.value);
};
function OnErrorPredicate(predicate) {
this.predicate = predicate;
}
OnErrorPredicate.prototype.equals = function (other) {
if (other === this) { return true; }
if (other == null) { return false; }
if (other.kind !== 'E') { return false; }
return this.predicate(other.error);
};
var ReactiveTest = Rx.ReactiveTest = {
/** Default virtual time used for creation of observable sequences in unit tests. */
created: 100,
/** Default virtual time used to subscribe to observable sequences in unit tests. */
subscribed: 200,
/** Default virtual time used to dispose subscriptions in unit tests. */
disposed: 1000,
/**
* Factory method for an OnNext notification record at a given time with a given value or a predicate function.
*
* 1 - ReactiveTest.onNext(200, 42);
* 2 - ReactiveTest.onNext(200, function (x) { return x.length == 2; });
*
* @param ticks Recorded virtual time the OnNext notification occurs.
* @param value Recorded value stored in the OnNext notification or a predicate.
* @return Recorded OnNext notification.
*/
onNext: function (ticks, value) {
return typeof value === 'function' ?
new Recorded(ticks, new OnNextPredicate(value)) :
new Recorded(ticks, Notification.createOnNext(value));
},
/**
* Factory method for an OnError notification record at a given time with a given error.
*
* 1 - ReactiveTest.onNext(200, new Error('error'));
* 2 - ReactiveTest.onNext(200, function (e) { return e.message === 'error'; });
*
* @param ticks Recorded virtual time the OnError notification occurs.
* @param exception Recorded exception stored in the OnError notification.
* @return Recorded OnError notification.
*/
onError: function (ticks, error) {
return typeof error === 'function' ?
new Recorded(ticks, new OnErrorPredicate(error)) :
new Recorded(ticks, Notification.createOnError(error));
},
/**
* Factory method for an OnCompleted notification record at a given time.
*
* @param ticks Recorded virtual time the OnCompleted notification occurs.
* @return Recorded OnCompleted notification.
*/
onCompleted: function (ticks) {
return new Recorded(ticks, Notification.createOnCompleted());
},
/**
* Factory method for a subscription record based on a given subscription and disposal time.
*
* @param start Virtual time indicating when the subscription was created.
* @param end Virtual time indicating when the subscription was disposed.
* @return Subscription object.
*/
subscribe: function (start, end) {
return new Subscription(start, end);
}
};
/**
* Creates a new object recording the production of the specified value at the given virtual time.
*
* @constructor
* @param {Number} time Virtual time the value was produced on.
* @param {Mixed} value Value that was produced.
* @param {Function} comparer An optional comparer.
*/
var Recorded = Rx.Recorded = function (time, value, comparer) {
this.time = time;
this.value = value;
this.comparer = comparer || defaultComparer;
};
/**
* Checks whether the given recorded object is equal to the current instance.
*
* @param {Recorded} other Recorded object to check for equality.
* @returns {Boolean} true if both objects are equal; false otherwise.
*/
Recorded.prototype.equals = function (other) {
return this.time === other.time && this.comparer(this.value, other.value);
};
/**
* Returns a string representation of the current Recorded value.
*
* @returns {String} String representation of the current Recorded value.
*/
Recorded.prototype.toString = function () {
return this.value.toString() + '@' + this.time;
};
/**
* Creates a new subscription object with the given virtual subscription and unsubscription time.
*
* @constructor
* @param {Number} subscribe Virtual time at which the subscription occurred.
* @param {Number} unsubscribe Virtual time at which the unsubscription occurred.
*/
var Subscription = Rx.Subscription = function (start, end) {
this.subscribe = start;
this.unsubscribe = end || Number.MAX_VALUE;
};
/**
* Checks whether the given subscription is equal to the current instance.
* @param other Subscription object to check for equality.
* @returns {Boolean} true if both objects are equal; false otherwise.
*/
Subscription.prototype.equals = function (other) {
return this.subscribe === other.subscribe && this.unsubscribe === other.unsubscribe;
};
/**
* Returns a string representation of the current Subscription value.
* @returns {String} String representation of the current Subscription value.
*/
Subscription.prototype.toString = function () {
return '(' + this.subscribe + ', ' + (this.unsubscribe === Number.MAX_VALUE ? 'Infinite' : this.unsubscribe) + ')';
};
var MockDisposable = Rx.MockDisposable = function (scheduler) {
this.scheduler = scheduler;
this.disposes = [];
this.disposes.push(this.scheduler.clock);
};
MockDisposable.prototype.dispose = function () {
this.disposes.push(this.scheduler.clock);
};
var MockObserver = (function (__super__) {
inherits(MockObserver, __super__);
function MockObserver(scheduler) {
__super__.call(this);
this.scheduler = scheduler;
this.messages = [];
}
var MockObserverPrototype = MockObserver.prototype;
MockObserverPrototype.onNext = function (value) {
this.messages.push(new Recorded(this.scheduler.clock, Notification.createOnNext(value)));
};
MockObserverPrototype.onError = function (e) {
this.messages.push(new Recorded(this.scheduler.clock, Notification.createOnError(e)));
};
MockObserverPrototype.onCompleted = function () {
this.messages.push(new Recorded(this.scheduler.clock, Notification.createOnCompleted()));
};
return MockObserver;
})(Observer);
function MockPromise(scheduler, messages) {
var self = this;
this.scheduler = scheduler;
this.messages = messages;
this.subscriptions = [];
this.observers = [];
for (var i = 0, len = this.messages.length; i < len; i++) {
var message = this.messages[i],
notification = message.value;
(function (innerNotification) {
scheduler.scheduleAbsolute(null, message.time, function () {
var obs = self.observers.slice(0);
for (var j = 0, jLen = obs.length; j < jLen; j++) {
innerNotification.accept(obs[j]);
}
return disposableEmpty;
});
})(notification);
}
}
MockPromise.prototype.then = function (onResolved, onRejected) {
var self = this;
this.subscriptions.push(new Subscription(this.scheduler.clock));
var index = this.subscriptions.length - 1;
var newPromise;
var observer = Rx.Observer.create(
function (x) {
var retValue = onResolved(x);
if (retValue && typeof retValue.then === 'function') {
newPromise = retValue;
} else {
var ticks = self.scheduler.clock;
newPromise = new MockPromise(self.scheduler, [Rx.ReactiveTest.onNext(ticks, undefined), Rx.ReactiveTest.onCompleted(ticks)]);
}
var idx = self.observers.indexOf(observer);
self.observers.splice(idx, 1);
self.subscriptions[index] = new Subscription(self.subscriptions[index].subscribe, self.scheduler.clock);
},
function (err) {
onRejected(err);
var idx = self.observers.indexOf(observer);
self.observers.splice(idx, 1);
self.subscriptions[index] = new Subscription(self.subscriptions[index].subscribe, self.scheduler.clock);
}
);
this.observers.push(observer);
return newPromise || new MockPromise(this.scheduler, this.messages);
};
var HotObservable = (function (__super__) {
inherits(HotObservable, __super__);
function HotObservable(scheduler, messages) {
__super__.call(this);
var message, notification, observable = this;
this.scheduler = scheduler;
this.messages = messages;
this.subscriptions = [];
this.observers = [];
for (var i = 0, len = this.messages.length; i < len; i++) {
message = this.messages[i];
notification = message.value;
(function (innerNotification) {
scheduler.scheduleAbsolute(null, message.time, function () {
var obs = observable.observers.slice(0);
for (var j = 0, jLen = obs.length; j < jLen; j++) {
innerNotification.accept(obs[j]);
}
return disposableEmpty;
});
})(notification);
}
}
HotObservable.prototype._subscribe = function (o) {
var observable = this;
this.observers.push(o);
this.subscriptions.push(new Subscription(this.scheduler.clock));
var index = this.subscriptions.length - 1;
return disposableCreate(function () {
var idx = observable.observers.indexOf(o);
observable.observers.splice(idx, 1);
observable.subscriptions[index] = new Subscription(observable.subscriptions[index].subscribe, observable.scheduler.clock);
});
};
return HotObservable;
})(Observable);
var ColdObservable = (function (__super__) {
inherits(ColdObservable, __super__);
function ColdObservable(scheduler, messages) {
__super__.call(this);
this.scheduler = scheduler;
this.messages = messages;
this.subscriptions = [];
}
ColdObservable.prototype._subscribe = function (o) {
var message, notification, observable = this;
this.subscriptions.push(new Subscription(this.scheduler.clock));
var index = this.subscriptions.length - 1;
var d = new CompositeDisposable();
for (var i = 0, len = this.messages.length; i < len; i++) {
message = this.messages[i];
notification = message.value;
(function (innerNotification) {
d.add(observable.scheduler.scheduleRelative(null, message.time, function () {
innerNotification.accept(o);
return disposableEmpty;
}));
})(notification);
}
return disposableCreate(function () {
observable.subscriptions[index] = new Subscription(observable.subscriptions[index].subscribe, observable.scheduler.clock);
d.dispose();
});
};
return ColdObservable;
})(Observable);
/** Virtual time scheduler used for testing applications and libraries built using Reactive Extensions. */
Rx.TestScheduler = (function (__super__) {
inherits(TestScheduler, __super__);
function baseComparer(x, y) {
return x > y ? 1 : (x < y ? -1 : 0);
}
function TestScheduler() {
__super__.call(this, 0, baseComparer);
}
/**
* Schedules an action to be executed at the specified virtual time.
*
* @param state State passed to the action to be executed.
* @param dueTime Absolute virtual time at which to execute the action.
* @param action Action to be executed.
* @return Disposable object used to cancel the scheduled action (best effort).
*/
TestScheduler.prototype.scheduleAbsolute = function (state, dueTime, action) {
dueTime <= this.clock && (dueTime = this.clock + 1);
return __super__.prototype.scheduleAbsolute.call(this, state, dueTime, action);
};
/**
* Adds a relative virtual time to an absolute virtual time value.
*
* @param absolute Absolute virtual time value.
* @param relative Relative virtual time value to add.
* @return Resulting absolute virtual time sum value.
*/
TestScheduler.prototype.add = function (absolute, relative) {
return absolute + relative;
};
/**
* Converts the absolute virtual time value to a DateTimeOffset value.
*
* @param absolute Absolute virtual time value to convert.
* @return Corresponding DateTimeOffset value.
*/
TestScheduler.prototype.toAbsoluteTime = function (absolute) {
return new Date(absolute).getTime();
};
/**
* Converts the TimeSpan value to a relative virtual time value.
*
* @param timeSpan TimeSpan value to convert.
* @return Corresponding relative virtual time value.
*/
TestScheduler.prototype.toRelativeTime = function (timeSpan) {
return timeSpan;
};
/**
* Starts the test scheduler and uses the specified virtual times to invoke the factory function, subscribe to the resulting sequence, and dispose the subscription.
*
* @param create Factory method to create an observable sequence.
* @param created Virtual time at which to invoke the factory to create an observable sequence.
* @param subscribed Virtual time at which to subscribe to the created observable sequence.
* @param disposed Virtual time at which to dispose the subscription.
* @return Observer with timestamped recordings of notification messages that were received during the virtual time window when the subscription to the source sequence was active.
*/
TestScheduler.prototype.startScheduler = function (createFn, settings) {
settings || (settings = {});
settings.created == null && (settings.created = ReactiveTest.created);
settings.subscribed == null && (settings.subscribed = ReactiveTest.subscribed);
settings.disposed == null && (settings.disposed = ReactiveTest.disposed);
var observer = this.createObserver(), source, subscription;
this.scheduleAbsolute(null, settings.created, function () {
source = createFn();
return disposableEmpty;
});
this.scheduleAbsolute(null, settings.subscribed, function () {
subscription = source.subscribe(observer);
return disposableEmpty;
});
this.scheduleAbsolute(null, settings.disposed, function () {
subscription.dispose();
return disposableEmpty;
});
this.start();
return observer;
};
/**
* Creates a hot observable using the specified timestamped notification messages either as an array or arguments.
* @param messages Notifications to surface through the created sequence at their specified absolute virtual times.
* @return Hot observable sequence that can be used to assert the timing of subscriptions and notifications.
*/
TestScheduler.prototype.createHotObservable = function () {
var len = arguments.length, args;
if (Array.isArray(arguments[0])) {
args = arguments[0];
} else {
args = new Array(len);
for (var i = 0; i < len; i++) { args[i] = arguments[i]; }
}
return new HotObservable(this, args);
};
/**
* Creates a cold observable using the specified timestamped notification messages either as an array or arguments.
* @param messages Notifications to surface through the created sequence at their specified virtual time offsets from the sequence subscription time.
* @return Cold observable sequence that can be used to assert the timing of subscriptions and notifications.
*/
TestScheduler.prototype.createColdObservable = function () {
var len = arguments.length, args;
if (Array.isArray(arguments[0])) {
args = arguments[0];
} else {
args = new Array(len);
for (var i = 0; i < len; i++) { args[i] = arguments[i]; }
}
return new ColdObservable(this, args);
};
/**
* Creates a resolved promise with the given value and ticks
* @param {Number} ticks The absolute time of the resolution.
* @param {Any} value The value to yield at the given tick.
* @returns {MockPromise} A mock Promise which fulfills with the given value.
*/
TestScheduler.prototype.createResolvedPromise = function (ticks, value) {
return new MockPromise(this, [Rx.ReactiveTest.onNext(ticks, value), Rx.ReactiveTest.onCompleted(ticks)]);
};
/**
* Creates a rejected promise with the given reason and ticks
* @param {Number} ticks The absolute time of the resolution.
* @param {Any} reason The reason for rejection to yield at the given tick.
* @returns {MockPromise} A mock Promise which rejects with the given reason.
*/
TestScheduler.prototype.createRejectedPromise = function (ticks, reason) {
return new MockPromise(this, [Rx.ReactiveTest.onError(ticks, reason)]);
};
/**
* Creates an observer that records received notification messages and timestamps those.
* @return Observer that can be used to assert the timing of received notifications.
*/
TestScheduler.prototype.createObserver = function () {
return new MockObserver(this);
};
return TestScheduler;
})(VirtualTimeScheduler);
var AnonymousObservable = Rx.AnonymousObservable = (function (__super__) {
inherits(AnonymousObservable, __super__);
// Fix subscriber to check for undefined or function returned to decorate as Disposable
function fixSubscriber(subscriber) {
return subscriber && isFunction(subscriber.dispose) ? subscriber :
isFunction(subscriber) ? disposableCreate(subscriber) : disposableEmpty;
}
function setDisposable(s, state) {
var ado = state[0], self = state[1];
var sub = tryCatch(self.__subscribe).call(self, ado);
if (sub === errorObj && !ado.fail(errorObj.e)) { thrower(errorObj.e); }
ado.setDisposable(fixSubscriber(sub));
}
function AnonymousObservable(subscribe, parent) {
this.source = parent;
this.__subscribe = subscribe;
__super__.call(this);
}
AnonymousObservable.prototype._subscribe = function (o) {
var ado = new AutoDetachObserver(o), state = [ado, this];
if (currentThreadScheduler.scheduleRequired()) {
currentThreadScheduler.schedule(state, setDisposable);
} else {
setDisposable(null, state);
}
return ado;
};
return AnonymousObservable;
}(Observable));
var AutoDetachObserver = (function (__super__) {
inherits(AutoDetachObserver, __super__);
function AutoDetachObserver(observer) {
__super__.call(this);
this.observer = observer;
this.m = new SingleAssignmentDisposable();
}
var AutoDetachObserverPrototype = AutoDetachObserver.prototype;
AutoDetachObserverPrototype.next = function (value) {
var result = tryCatch(this.observer.onNext).call(this.observer, value);
if (result === errorObj) {
this.dispose();
thrower(result.e);
}
};
AutoDetachObserverPrototype.error = function (err) {
var result = tryCatch(this.observer.onError).call(this.observer, err);
this.dispose();
result === errorObj && thrower(result.e);
};
AutoDetachObserverPrototype.completed = function () {
var result = tryCatch(this.observer.onCompleted).call(this.observer);
this.dispose();
result === errorObj && thrower(result.e);
};
AutoDetachObserverPrototype.setDisposable = function (value) { this.m.setDisposable(value); };
AutoDetachObserverPrototype.getDisposable = function () { return this.m.getDisposable(); };
AutoDetachObserverPrototype.dispose = function () {
__super__.prototype.dispose.call(this);
this.m.dispose();
};
return AutoDetachObserver;
}(AbstractObserver));
var UnderlyingObservable = (function (__super__) {
inherits(UnderlyingObservable, __super__);
function UnderlyingObservable(m, u) {
this._m = m;
this._u = u;
__super__.call(this);
}
UnderlyingObservable.prototype.subscribeCore = function (o) {
return new BinaryDisposable(this._m.getDisposable(), this._u.subscribe(o));
};
return UnderlyingObservable;
}(ObservableBase));
var GroupedObservable = (function (__super__) {
inherits(GroupedObservable, __super__);
function GroupedObservable(key, underlyingObservable, mergedDisposable) {
__super__.call(this);
this.key = key;
this.underlyingObservable = !mergedDisposable ?
underlyingObservable :
new UnderlyingObservable(mergedDisposable, underlyingObservable);
}
GroupedObservable.prototype._subscribe = function (o) {
return this.underlyingObservable.subscribe(o);
};
return GroupedObservable;
}(Observable));
/**
* Represents an object that is both an observable sequence as well as an observer.
* Each notification is broadcasted to all subscribed observers.
*/
var Subject = Rx.Subject = (function (__super__) {
inherits(Subject, __super__);
function Subject() {
__super__.call(this);
this.isDisposed = false;
this.isStopped = false;
this.observers = [];
this.hasError = false;
}
addProperties(Subject.prototype, Observer.prototype, {
_subscribe: function (o) {
checkDisposed(this);
if (!this.isStopped) {
this.observers.push(o);
return new InnerSubscription(this, o);
}
if (this.hasError) {
o.onError(this.error);
return disposableEmpty;
}
o.onCompleted();
return disposableEmpty;
},
/**
* Indicates whether the subject has observers subscribed to it.
* @returns {Boolean} Indicates whether the subject has observers subscribed to it.
*/
hasObservers: function () { checkDisposed(this); return this.observers.length > 0; },
/**
* Notifies all subscribed observers about the end of the sequence.
*/
onCompleted: function () {
checkDisposed(this);
if (!this.isStopped) {
this.isStopped = true;
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onCompleted();
}
this.observers.length = 0;
}
},
/**
* Notifies all subscribed observers about the exception.
* @param {Mixed} error The exception to send to all observers.
*/
onError: function (error) {
checkDisposed(this);
if (!this.isStopped) {
this.isStopped = true;
this.error = error;
this.hasError = true;
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onError(error);
}
this.observers.length = 0;
}
},
/**
* Notifies all subscribed observers about the arrival of the specified element in the sequence.
* @param {Mixed} value The value to send to all observers.
*/
onNext: function (value) {
checkDisposed(this);
if (!this.isStopped) {
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onNext(value);
}
}
},
/**
* Unsubscribe all observers and release resources.
*/
dispose: function () {
this.isDisposed = true;
this.observers = null;
}
});
/**
* Creates a subject from the specified observer and observable.
* @param {Observer} observer The observer used to send messages to the subject.
* @param {Observable} observable The observable used to subscribe to messages sent from the subject.
* @returns {Subject} Subject implemented using the given observer and observable.
*/
Subject.create = function (observer, observable) {
return new AnonymousSubject(observer, observable);
};
return Subject;
}(Observable));
/**
* Represents the result of an asynchronous operation.
* The last value before the OnCompleted notification, or the error received through OnError, is sent to all subscribed observers.
*/
var AsyncSubject = Rx.AsyncSubject = (function (__super__) {
inherits(AsyncSubject, __super__);
/**
* Creates a subject that can only receive one value and that value is cached for all future observations.
* @constructor
*/
function AsyncSubject() {
__super__.call(this);
this.isDisposed = false;
this.isStopped = false;
this.hasValue = false;
this.observers = [];
this.hasError = false;
}
addProperties(AsyncSubject.prototype, Observer.prototype, {
_subscribe: function (o) {
checkDisposed(this);
if (!this.isStopped) {
this.observers.push(o);
return new InnerSubscription(this, o);
}
if (this.hasError) {
o.onError(this.error);
} else if (this.hasValue) {
o.onNext(this.value);
o.onCompleted();
} else {
o.onCompleted();
}
return disposableEmpty;
},
/**
* Indicates whether the subject has observers subscribed to it.
* @returns {Boolean} Indicates whether the subject has observers subscribed to it.
*/
hasObservers: function () { checkDisposed(this); return this.observers.length > 0; },
/**
* Notifies all subscribed observers about the end of the sequence, also causing the last received value to be sent out (if any).
*/
onCompleted: function () {
var i, len;
checkDisposed(this);
if (!this.isStopped) {
this.isStopped = true;
var os = cloneArray(this.observers), len = os.length;
if (this.hasValue) {
for (i = 0; i < len; i++) {
var o = os[i];
o.onNext(this.value);
o.onCompleted();
}
} else {
for (i = 0; i < len; i++) {
os[i].onCompleted();
}
}
this.observers.length = 0;
}
},
/**
* Notifies all subscribed observers about the error.
* @param {Mixed} error The Error to send to all observers.
*/
onError: function (error) {
checkDisposed(this);
if (!this.isStopped) {
this.isStopped = true;
this.hasError = true;
this.error = error;
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onError(error);
}
this.observers.length = 0;
}
},
/**
* Sends a value to the subject. The last value received before successful termination will be sent to all subscribed and future observers.
* @param {Mixed} value The value to store in the subject.
*/
onNext: function (value) {
checkDisposed(this);
if (this.isStopped) { return; }
this.value = value;
this.hasValue = true;
},
/**
* Unsubscribe all observers and release resources.
*/
dispose: function () {
this.isDisposed = true;
this.observers = null;
this.error = null;
this.value = null;
}
});
return AsyncSubject;
}(Observable));
/**
* Represents a value that changes over time.
* Observers can subscribe to the subject to receive the last (or initial) value and all subsequent notifications.
*/
var BehaviorSubject = Rx.BehaviorSubject = (function (__super__) {
inherits(BehaviorSubject, __super__);
function BehaviorSubject(value) {
__super__.call(this);
this.value = value;
this.observers = [];
this.isDisposed = false;
this.isStopped = false;
this.hasError = false;
}
addProperties(BehaviorSubject.prototype, Observer.prototype, {
_subscribe: function (o) {
checkDisposed(this);
if (!this.isStopped) {
this.observers.push(o);
o.onNext(this.value);
return new InnerSubscription(this, o);
}
if (this.hasError) {
o.onError(this.error);
} else {
o.onCompleted();
}
return disposableEmpty;
},
/**
* Gets the current value or throws an exception.
* Value is frozen after onCompleted is called.
* After onError is called always throws the specified exception.
* An exception is always thrown after dispose is called.
* @returns {Mixed} The initial value passed to the constructor until onNext is called; after which, the last value passed to onNext.
*/
getValue: function () {
checkDisposed(this);
if (this.hasError) { thrower(this.error); }
return this.value;
},
/**
* Indicates whether the subject has observers subscribed to it.
* @returns {Boolean} Indicates whether the subject has observers subscribed to it.
*/
hasObservers: function () { checkDisposed(this); return this.observers.length > 0; },
/**
* Notifies all subscribed observers about the end of the sequence.
*/
onCompleted: function () {
checkDisposed(this);
if (this.isStopped) { return; }
this.isStopped = true;
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onCompleted();
}
this.observers.length = 0;
},
/**
* Notifies all subscribed observers about the exception.
* @param {Mixed} error The exception to send to all observers.
*/
onError: function (error) {
checkDisposed(this);
if (this.isStopped) { return; }
this.isStopped = true;
this.hasError = true;
this.error = error;
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onError(error);
}
this.observers.length = 0;
},
/**
* Notifies all subscribed observers about the arrival of the specified element in the sequence.
* @param {Mixed} value The value to send to all observers.
*/
onNext: function (value) {
checkDisposed(this);
if (this.isStopped) { return; }
this.value = value;
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
os[i].onNext(value);
}
},
/**
* Unsubscribe all observers and release resources.
*/
dispose: function () {
this.isDisposed = true;
this.observers = null;
this.value = null;
this.error = null;
}
});
return BehaviorSubject;
}(Observable));
/**
* Represents an object that is both an observable sequence as well as an observer.
* Each notification is broadcasted to all subscribed and future observers, subject to buffer trimming policies.
*/
var ReplaySubject = Rx.ReplaySubject = (function (__super__) {
var maxSafeInteger = Math.pow(2, 53) - 1;
function createRemovableDisposable(subject, observer) {
return disposableCreate(function () {
observer.dispose();
!subject.isDisposed && subject.observers.splice(subject.observers.indexOf(observer), 1);
});
}
inherits(ReplaySubject, __super__);
/**
* Initializes a new instance of the ReplaySubject class with the specified buffer size, window size and scheduler.
* @param {Number} [bufferSize] Maximum element count of the replay buffer.
* @param {Number} [windowSize] Maximum time length of the replay buffer.
* @param {Scheduler} [scheduler] Scheduler the observers are invoked on.
*/
function ReplaySubject(bufferSize, windowSize, scheduler) {
this.bufferSize = bufferSize == null ? maxSafeInteger : bufferSize;
this.windowSize = windowSize == null ? maxSafeInteger : windowSize;
this.scheduler = scheduler || currentThreadScheduler;
this.q = [];
this.observers = [];
this.isStopped = false;
this.isDisposed = false;
this.hasError = false;
this.error = null;
__super__.call(this);
}
addProperties(ReplaySubject.prototype, Observer.prototype, {
_subscribe: function (o) {
checkDisposed(this);
var so = new ScheduledObserver(this.scheduler, o), subscription = createRemovableDisposable(this, so);
this._trim(this.scheduler.now());
this.observers.push(so);
for (var i = 0, len = this.q.length; i < len; i++) {
so.onNext(this.q[i].value);
}
if (this.hasError) {
so.onError(this.error);
} else if (this.isStopped) {
so.onCompleted();
}
so.ensureActive();
return subscription;
},
/**
* Indicates whether the subject has observers subscribed to it.
* @returns {Boolean} Indicates whether the subject has observers subscribed to it.
*/
hasObservers: function () { checkDisposed(this); return this.observers.length > 0; },
_trim: function (now) {
while (this.q.length > this.bufferSize) {
this.q.shift();
}
while (this.q.length > 0 && (now - this.q[0].interval) > this.windowSize) {
this.q.shift();
}
},
/**
* Notifies all subscribed observers about the arrival of the specified element in the sequence.
* @param {Mixed} value The value to send to all observers.
*/
onNext: function (value) {
checkDisposed(this);
if (this.isStopped) { return; }
var now = this.scheduler.now();
this.q.push({ interval: now, value: value });
this._trim(now);
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
var observer = os[i];
observer.onNext(value);
observer.ensureActive();
}
},
/**
* Notifies all subscribed observers about the exception.
* @param {Mixed} error The exception to send to all observers.
*/
onError: function (error) {
checkDisposed(this);
if (this.isStopped) { return; }
this.isStopped = true;
this.error = error;
this.hasError = true;
var now = this.scheduler.now();
this._trim(now);
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
var observer = os[i];
observer.onError(error);
observer.ensureActive();
}
this.observers.length = 0;
},
/**
* Notifies all subscribed observers about the end of the sequence.
*/
onCompleted: function () {
checkDisposed(this);
if (this.isStopped) { return; }
this.isStopped = true;
var now = this.scheduler.now();
this._trim(now);
for (var i = 0, os = cloneArray(this.observers), len = os.length; i < len; i++) {
var observer = os[i];
observer.onCompleted();
observer.ensureActive();
}
this.observers.length = 0;
},
/**
* Unsubscribe all observers and release resources.
*/
dispose: function () {
this.isDisposed = true;
this.observers = null;
}
});
return ReplaySubject;
}(Observable));
var AnonymousSubject = Rx.AnonymousSubject = (function (__super__) {
inherits(AnonymousSubject, __super__);
function AnonymousSubject(observer, observable) {
this.observer = observer;
this.observable = observable;
__super__.call(this);
}
addProperties(AnonymousSubject.prototype, Observer.prototype, {
_subscribe: function (o) {
return this.observable.subscribe(o);
},
onCompleted: function () {
this.observer.onCompleted();
},
onError: function (error) {
this.observer.onError(error);
},
onNext: function (value) {
this.observer.onNext(value);
}
});
return AnonymousSubject;
}(Observable));
/**
* Used to pause and resume streams.
*/
Rx.Pauser = (function (__super__) {
inherits(Pauser, __super__);
function Pauser() {
__super__.call(this);
}
/**
* Pauses the underlying sequence.
*/
Pauser.prototype.pause = function () { this.onNext(false); };
/**
* Resumes the underlying sequence.
*/
Pauser.prototype.resume = function () { this.onNext(true); };
return Pauser;
}(Subject));
if (true) {
root.Rx = Rx;
!(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
return Rx;
}).call(exports, __webpack_require__, exports, module),
__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
} else if (freeExports && freeModule) {
// in Node.js or RingoJS
if (moduleExports) {
(freeModule.exports = Rx).Rx = Rx;
} else {
freeExports.Rx = Rx;
}
} else {
// in a browser or Rhino
root.Rx = Rx;
}
// All code before this point will be filtered from stack traces.
var rEndingLine = captureLine();
}.call(this));
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(8)(module), __webpack_require__(5), __webpack_require__(22)))
/***/ }),
/***/ 8:
/***/ (function(module, exports) {
module.exports = function(module) {
if(!module.webpackPolyfill) {
module.deprecate = function() {};
module.paths = [];
// module.parent = undefined by default
if(!module.children) module.children = [];
Object.defineProperty(module, "loaded", {
enumerable: true,
get: function() {
return module.l;
}
});
Object.defineProperty(module, "id", {
enumerable: true,
get: function() {
return module.i;
}
});
module.webpackPolyfill = 1;
}
return module;
};
/***/ })
/******/ });
});