1 |
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2 |
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3 | ;(function (factory) {
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4 | var objectTypes = {
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5 | 'function': true,
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6 | 'object': true
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7 | };
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8 |
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9 | function checkGlobal(value) {
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10 | return (value && value.Object === Object) ? value : null;
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11 | }
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12 |
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13 | var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) ? exports : null;
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14 | var freeModule = (objectTypes[typeof module] && module && !module.nodeType) ? module : null;
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15 | var freeGlobal = checkGlobal(freeExports && freeModule && typeof global === 'object' && global);
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16 | var freeSelf = checkGlobal(objectTypes[typeof self] && self);
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17 | var freeWindow = checkGlobal(objectTypes[typeof window] && window);
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18 | var moduleExports = (freeModule && freeModule.exports === freeExports) ? freeExports : null;
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19 | var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
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20 | var root = freeGlobal || ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) || freeSelf || thisGlobal || Function('return this')();
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21 |
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22 |
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23 | if (typeof define === 'function' && define.amd) {
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24 | define(['./rx'], function (Rx, exports) {
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25 | return factory(root, exports, Rx);
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26 | });
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27 | } else if (typeof module === 'object' && module && module.exports === freeExports) {
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28 | module.exports = factory(root, module.exports, require('./rx'));
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29 | } else {
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30 | root.Rx = factory(root, {}, root.Rx);
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31 | }
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32 | }.call(this, function (root, exp, Rx, undefined) {
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33 |
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34 |
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35 | var Observable = Rx.Observable,
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36 | observableProto = Observable.prototype,
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37 | AnonymousObservable = Rx.AnonymousObservable,
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38 | observableThrow = Observable.throwError,
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39 | observerCreate = Rx.Observer.create,
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40 | SingleAssignmentDisposable = Rx.SingleAssignmentDisposable,
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41 | CompositeDisposable = Rx.CompositeDisposable,
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42 | AbstractObserver = Rx.internals.AbstractObserver,
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43 | noop = Rx.helpers.noop,
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44 | inherits = Rx.internals.inherits,
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45 | isFunction = Rx.helpers.isFunction;
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46 |
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47 | var errorObj = {e: {}};
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48 |
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49 | function tryCatcherGen(tryCatchTarget) {
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50 | return function tryCatcher() {
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51 | try {
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52 | return tryCatchTarget.apply(this, arguments);
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53 | } catch (e) {
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54 | errorObj.e = e;
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55 | return errorObj;
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56 | }
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57 | };
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58 | }
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59 |
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60 | var tryCatch = Rx.internals.tryCatch = function tryCatch(fn) {
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61 | if (!isFunction(fn)) { throw new TypeError('fn must be a function'); }
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62 | return tryCatcherGen(fn);
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63 | };
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64 |
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65 | function thrower(e) {
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66 | throw e;
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67 | }
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68 |
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69 | var Map = root.Map || (function () {
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70 | function Map() {
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71 | this.size = 0;
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72 | this._values = [];
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73 | this._keys = [];
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74 | }
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75 |
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76 | Map.prototype['delete'] = function (key) {
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77 | var i = this._keys.indexOf(key);
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78 | if (i === -1) { return false; }
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79 | this._values.splice(i, 1);
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80 | this._keys.splice(i, 1);
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81 | this.size--;
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82 | return true;
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83 | };
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84 |
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85 | Map.prototype.get = function (key) {
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86 | var i = this._keys.indexOf(key);
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87 | return i === -1 ? undefined : this._values[i];
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88 | };
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89 |
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90 | Map.prototype.set = function (key, value) {
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91 | var i = this._keys.indexOf(key);
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92 | if (i === -1) {
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93 | this._keys.push(key);
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94 | this._values.push(value);
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95 | this.size++;
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96 | } else {
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97 | this._values[i] = value;
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98 | }
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99 | return this;
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100 | };
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101 |
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102 | Map.prototype.forEach = function (cb, thisArg) {
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103 | for (var i = 0; i < this.size; i++) {
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104 | cb.call(thisArg, this._values[i], this._keys[i]);
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105 | }
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106 | };
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107 |
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108 | return Map;
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109 | }());
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110 |
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111 | |
112 |
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113 |
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114 |
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115 | function Pattern(patterns) {
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116 | this.patterns = patterns;
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117 | }
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118 |
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119 | |
120 |
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121 |
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122 |
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123 |
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124 | Pattern.prototype.and = function (other) {
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125 | return new Pattern(this.patterns.concat(other));
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126 | };
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127 |
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128 | |
129 |
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130 |
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131 |
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132 |
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133 | Pattern.prototype.thenDo = function (selector) {
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134 | return new Plan(this, selector);
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135 | };
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136 |
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137 | function Plan(expression, selector) {
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138 | this.expression = expression;
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139 | this.selector = selector;
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140 | }
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141 |
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142 | function handleOnError(o) { return function (e) { o.onError(e); }; }
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143 | function handleOnNext(self, observer) {
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144 | return function onNext () {
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145 | var result = tryCatch(self.selector).apply(self, arguments);
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146 | if (result === errorObj) { return observer.onError(result.e); }
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147 | observer.onNext(result);
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148 | };
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149 | }
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150 |
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151 | Plan.prototype.activate = function (externalSubscriptions, observer, deactivate) {
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152 | var joinObservers = [], errHandler = handleOnError(observer);
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153 | for (var i = 0, len = this.expression.patterns.length; i < len; i++) {
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154 | joinObservers.push(planCreateObserver(externalSubscriptions, this.expression.patterns[i], errHandler));
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155 | }
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156 | var activePlan = new ActivePlan(joinObservers, handleOnNext(this, observer), function () {
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157 | for (var j = 0, jlen = joinObservers.length; j < jlen; j++) {
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158 | joinObservers[j].removeActivePlan(activePlan);
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159 | }
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160 | deactivate(activePlan);
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161 | });
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162 | for (i = 0, len = joinObservers.length; i < len; i++) {
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163 | joinObservers[i].addActivePlan(activePlan);
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164 | }
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165 | return activePlan;
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166 | };
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167 |
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168 | function planCreateObserver(externalSubscriptions, observable, onError) {
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169 | var entry = externalSubscriptions.get(observable);
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170 | if (!entry) {
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171 | var observer = new JoinObserver(observable, onError);
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172 | externalSubscriptions.set(observable, observer);
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173 | return observer;
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174 | }
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175 | return entry;
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176 | }
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177 |
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178 | function ActivePlan(joinObserverArray, onNext, onCompleted) {
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179 | this.joinObserverArray = joinObserverArray;
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180 | this.onNext = onNext;
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181 | this.onCompleted = onCompleted;
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182 | this.joinObservers = new Map();
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183 | for (var i = 0, len = this.joinObserverArray.length; i < len; i++) {
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184 | var joinObserver = this.joinObserverArray[i];
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185 | this.joinObservers.set(joinObserver, joinObserver);
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186 | }
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187 | }
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188 |
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189 | ActivePlan.prototype.dequeue = function () {
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190 | this.joinObservers.forEach(function (v) { v.queue.shift(); });
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191 | };
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192 |
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193 | ActivePlan.prototype.match = function () {
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194 | var i, len, hasValues = true;
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195 | for (i = 0, len = this.joinObserverArray.length; i < len; i++) {
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196 | if (this.joinObserverArray[i].queue.length === 0) {
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197 | hasValues = false;
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198 | break;
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199 | }
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200 | }
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201 | if (hasValues) {
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202 | var firstValues = [],
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203 | isCompleted = false;
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204 | for (i = 0, len = this.joinObserverArray.length; i < len; i++) {
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205 | firstValues.push(this.joinObserverArray[i].queue[0]);
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206 | this.joinObserverArray[i].queue[0].kind === 'C' && (isCompleted = true);
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207 | }
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208 | if (isCompleted) {
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209 | this.onCompleted();
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210 | } else {
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211 | this.dequeue();
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212 | var values = [];
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213 | for (i = 0, len = firstValues.length; i < firstValues.length; i++) {
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214 | values.push(firstValues[i].value);
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215 | }
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216 | this.onNext.apply(this, values);
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217 | }
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218 | }
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219 | };
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220 |
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221 | var JoinObserver = (function (__super__) {
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222 | inherits(JoinObserver, __super__);
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223 |
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224 | function JoinObserver(source, onError) {
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225 | __super__.call(this);
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226 | this.source = source;
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227 | this.onError = onError;
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228 | this.queue = [];
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229 | this.activePlans = [];
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230 | this.subscription = new SingleAssignmentDisposable();
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231 | this.isDisposed = false;
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232 | }
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233 |
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234 | var JoinObserverPrototype = JoinObserver.prototype;
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235 |
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236 | JoinObserverPrototype.next = function (notification) {
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237 | if (!this.isDisposed) {
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238 | if (notification.kind === 'E') {
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239 | return this.onError(notification.error);
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240 | }
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241 | this.queue.push(notification);
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242 | var activePlans = this.activePlans.slice(0);
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243 | for (var i = 0, len = activePlans.length; i < len; i++) {
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244 | activePlans[i].match();
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245 | }
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246 | }
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247 | };
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248 |
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249 | JoinObserverPrototype.error = noop;
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250 | JoinObserverPrototype.completed = noop;
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251 |
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252 | JoinObserverPrototype.addActivePlan = function (activePlan) {
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253 | this.activePlans.push(activePlan);
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254 | };
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255 |
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256 | JoinObserverPrototype.subscribe = function () {
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257 | this.subscription.setDisposable(this.source.materialize().subscribe(this));
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258 | };
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259 |
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260 | JoinObserverPrototype.removeActivePlan = function (activePlan) {
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261 | this.activePlans.splice(this.activePlans.indexOf(activePlan), 1);
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262 | this.activePlans.length === 0 && this.dispose();
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263 | };
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264 |
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265 | JoinObserverPrototype.dispose = function () {
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266 | __super__.prototype.dispose.call(this);
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267 | if (!this.isDisposed) {
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268 | this.isDisposed = true;
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269 | this.subscription.dispose();
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270 | }
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271 | };
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272 |
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273 | return JoinObserver;
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274 | } (AbstractObserver));
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275 |
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276 | |
277 |
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278 |
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279 |
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280 |
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281 |
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282 | observableProto.and = function (right) {
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283 | return new Pattern([this, right]);
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284 | };
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285 |
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286 | |
287 |
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288 |
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289 |
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290 |
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291 |
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292 | observableProto.thenDo = function (selector) {
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293 | return new Pattern([this]).thenDo(selector);
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294 | };
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295 |
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296 | |
297 |
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298 |
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299 |
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300 |
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301 |
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302 | Observable.when = function () {
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303 | var len = arguments.length, plans;
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304 | if (Array.isArray(arguments[0])) {
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305 | plans = arguments[0];
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306 | } else {
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307 | plans = new Array(len);
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308 | for(var i = 0; i < len; i++) { plans[i] = arguments[i]; }
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309 | }
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310 | return new AnonymousObservable(function (o) {
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311 | var activePlans = [],
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312 | externalSubscriptions = new Map();
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313 | var outObserver = observerCreate(
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314 | function (x) { o.onNext(x); },
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315 | function (err) {
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316 | externalSubscriptions.forEach(function (v) { v.onError(err); });
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317 | o.onError(err);
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318 | },
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319 | function (x) { o.onCompleted(); }
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320 | );
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321 | try {
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322 | for (var i = 0, len = plans.length; i < len; i++) {
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323 | activePlans.push(plans[i].activate(externalSubscriptions, outObserver, function (activePlan) {
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324 | var idx = activePlans.indexOf(activePlan);
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325 | activePlans.splice(idx, 1);
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326 | activePlans.length === 0 && o.onCompleted();
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327 | }));
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328 | }
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329 | } catch (e) {
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330 | observableThrow(e).subscribe(o);
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331 | }
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332 | var group = new CompositeDisposable();
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333 | externalSubscriptions.forEach(function (joinObserver) {
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334 | joinObserver.subscribe();
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335 | group.add(joinObserver);
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336 | });
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337 |
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338 | return group;
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339 | });
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340 | };
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341 |
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342 | return Rx;
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343 | }));
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