1 | (function (global, factory) {
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2 | /*jshint -W030 */
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3 | ;
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4 | typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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5 | typeof define === 'function' && define.amd ? define(['exports'], factory) :
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6 | global.async ? factory(global.neo_async = global.neo_async || {}) :
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7 | factory(global.async = global.async || {});
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8 | }(this, function(exports) {
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9 |
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10 | ;
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11 |
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12 | var noop = function noop() {};
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13 | var throwError = function throwError() {
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14 | throw new Error('Callback was already called.');
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15 | };
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16 |
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17 | var DEFAULT_TIMES = 5;
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18 | var DEFAULT_INTERVAL = 0;
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19 |
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20 | var obj = 'object';
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21 | var func = 'function';
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22 | var isArray = Array.isArray;
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23 | var nativeKeys = Object.keys;
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24 | var iteratorSymbol = typeof Symbol === func && Symbol.iterator;
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25 |
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26 | var nextTick, asyncNextTick, asyncSetImmediate;
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27 | createImmediate();
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28 |
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29 | /**
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30 | * @memberof async
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31 | * @namespace each
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32 | * @param {Array|Object} collection
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33 | * @param {Function} iterator
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34 | * @param {Function} callback
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35 | * @example
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36 | *
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37 | * // array
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38 | * var order = [];
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39 | * var array = [1, 3, 2];
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40 | * var iterator = function(num, done) {
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41 | * setTimeout(function() {
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42 | * order.push(num);
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43 | * done();
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44 | * }, num * 10);
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45 | * };
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46 | * async.each(array, iterator, function(err, res) {
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47 | * console.log(res); // undefined
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48 | * console.log(order); // [1, 2, 3]
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49 | * });
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50 | *
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51 | * @example
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52 | *
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53 | * // array with index
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54 | * var order = [];
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55 | * var array = [1, 3, 2];
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56 | * var iterator = function(num, index, done) {
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57 | * setTimeout(function() {
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58 | * order.push([num, index]);
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59 | * done();
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60 | * }, num * 10);
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61 | * };
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62 | * async.each(array, iterator, function(err, res) {
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63 | * console.log(res); // undefined
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64 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
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65 | * });
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66 | *
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67 | * @example
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68 | *
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69 | * // object
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70 | * var order = [];
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71 | * var object = { a: 1, b: 3, c: 2 };
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72 | * var iterator = function(num, done) {
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73 | * setTimeout(function() {
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74 | * order.push(num);
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75 | * done();
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76 | * }, num * 10);
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77 | * };
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78 | * async.each(object, iterator, function(err, res) {
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79 | * console.log(res); // undefined
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80 | * console.log(order); // [1, 2, 3]
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81 | * });
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82 | *
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83 | * @example
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84 | *
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85 | * // object with key
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86 | * var order = [];
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87 | * var object = { a: 1, b: 3, c: 2 };
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88 | * var iterator = function(num, key, done) {
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89 | * setTimeout(function() {
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90 | * order.push([num, key]);
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91 | * done();
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92 | * }, num * 10);
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93 | * };
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94 | * async.each(object, iterator, function(err, res) {
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95 | * console.log(res); // undefined
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96 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
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97 | * });
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98 | *
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99 | * @example
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100 | *
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101 | * // break
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102 | * var order = [];
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103 | * var array = [1, 3, 2];
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104 | * var iterator = function(num, done) {
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105 | * setTimeout(function() {
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106 | * order.push(num);
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107 | * done(null, num !== 2);
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108 | * }, num * 10);
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109 | * };
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110 | * async.each(array, iterator, function(err, res) {
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111 | * console.log(res); // undefined
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112 | * console.log(order); // [1, 2]
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113 | * });
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114 | *
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115 | */
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116 | var each = createEach(arrayEach, baseEach, symbolEach);
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117 |
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118 | /**
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119 | * @memberof async
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120 | * @namespace map
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121 | * @param {Array|Object} collection
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122 | * @param {Function} iterator
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123 | * @param {Function} callback
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124 | * @example
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125 | *
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126 | * // array
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127 | * var order = [];
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128 | * var array = [1, 3, 2];
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129 | * var iterator = function(num, done) {
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130 | * setTimeout(function() {
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131 | * order.push(num);
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132 | * done(null, num);
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133 | * }, num * 10);
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134 | * };
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135 | * async.map(array, iterator, function(err, res) {
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136 | * console.log(res); // [1, 3, 2];
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137 | * console.log(order); // [1, 2, 3]
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138 | * });
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139 | *
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140 | * @example
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141 | *
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142 | * // array with index
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143 | * var order = [];
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144 | * var array = [1, 3, 2];
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145 | * var iterator = function(num, index, done) {
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146 | * setTimeout(function() {
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147 | * order.push([num, index]);
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148 | * done(null, num);
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149 | * }, num * 10);
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150 | * };
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151 | * async.map(array, iterator, function(err, res) {
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152 | * console.log(res); // [1, 3, 2]
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153 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
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154 | * });
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155 | *
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156 | * @example
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157 | *
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158 | * // object
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159 | * var order = [];
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160 | * var object = { a: 1, b: 3, c: 2 };
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161 | * var iterator = function(num, done) {
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162 | * setTimeout(function() {
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163 | * order.push(num);
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164 | * done(null, num);
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165 | * }, num * 10);
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166 | * };
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167 | * async.map(object, iterator, function(err, res) {
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168 | * console.log(res); // [1, 3, 2]
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169 | * console.log(order); // [1, 2, 3]
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170 | * });
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171 | *
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172 | * @example
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173 | *
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174 | * // object with key
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175 | * var order = [];
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176 | * var object = { a: 1, b: 3, c: 2 };
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177 | * var iterator = function(num, key, done) {
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178 | * setTimeout(function() {
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179 | * order.push([num, key]);
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180 | * done(null, num);
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181 | * }, num * 10);
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182 | * };
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183 | * async.map(object, iterator, function(err, res) {
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184 | * console.log(res); // [1, 3, 2]
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185 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
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186 | * });
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187 | *
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188 | */
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189 | var map = createMap(arrayEachIndex, baseEachIndex, symbolEachIndex, true);
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190 |
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191 | /**
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192 | * @memberof async
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193 | * @namespace mapValues
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194 | * @param {Array|Object} collection
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195 | * @param {Function} iterator
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196 | * @param {Function} callback
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197 | * @example
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198 | *
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199 | * // array
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200 | * var order = [];
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201 | * var array = [1, 3, 2];
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202 | * var iterator = function(num, done) {
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203 | * setTimeout(function() {
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204 | * order.push(num);
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205 | * done(null, num);
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206 | * }, num * 10);
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207 | * };
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208 | * async.mapValues(array, iterator, function(err, res) {
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209 | * console.log(res); // { '0': 1, '1': 3, '2': 2 }
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210 | * console.log(order); // [1, 2, 3]
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211 | * });
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212 | *
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213 | * @example
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214 | *
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215 | * // array with index
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216 | * var order = [];
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217 | * var array = [1, 3, 2];
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218 | * var iterator = function(num, index, done) {
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219 | * setTimeout(function() {
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220 | * order.push([num, index]);
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221 | * done(null, num);
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222 | * }, num * 10);
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223 | * };
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224 | * async.mapValues(array, iterator, function(err, res) {
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225 | * console.log(res); // { '0': 1, '1': 3, '2': 2 }
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226 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
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227 | * });
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228 | *
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229 | * @example
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230 | *
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231 | * // object
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232 | * var order = [];
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233 | * var object = { a: 1, b: 3, c: 2 };
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234 | * var iterator = function(num, done) {
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235 | * setTimeout(function() {
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236 | * order.push(num);
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237 | * done(null, num);
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238 | * }, num * 10);
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239 | * };
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240 | * async.mapValues(object, iterator, function(err, res) {
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241 | * console.log(res); // { a: 1, b: 3, c: 2 }
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242 | * console.log(order); // [1, 2, 3]
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243 | * });
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244 | *
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245 | * @example
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246 | *
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247 | * // object with key
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248 | * var order = [];
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249 | * var object = { a: 1, b: 3, c: 2 };
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250 | * var iterator = function(num, key, done) {
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251 | * setTimeout(function() {
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252 | * order.push([num, key]);
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253 | * done(null, num);
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254 | * }, num * 10);
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255 | * };
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256 | * async.mapValues(object, iterator, function(err, res) {
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257 | * console.log(res); // { a: 1, b: 3, c: 2 }
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258 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
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259 | * });
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260 | *
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261 | */
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262 | var mapValues = createMap(arrayEachIndex, baseEachKey, symbolEachKey, false);
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263 |
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264 | /**
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265 | * @memberof async
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266 | * @namespace filter
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267 | * @param {Array|Object} collection
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268 | * @param {Function} iterator
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269 | * @param {Function} callback
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270 | * @example
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271 | *
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272 | * // array
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273 | * var order = [];
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274 | * var array = [1, 3, 2];
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275 | * var iterator = function(num, done) {
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276 | * setTimeout(function() {
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277 | * order.push(num);
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278 | * done(null, num % 2);
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279 | * }, num * 10);
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280 | * };
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281 | * async.filter(array, iterator, function(err, res) {
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282 | * console.log(res); // [1, 3];
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283 | * console.log(order); // [1, 2, 3]
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284 | * });
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285 | *
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286 | * @example
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287 | *
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288 | * // array with index
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289 | * var order = [];
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290 | * var array = [1, 3, 2];
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291 | * var iterator = function(num, index, done) {
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292 | * setTimeout(function() {
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293 | * order.push([num, index]);
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294 | * done(null, num % 2);
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295 | * }, num * 10);
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296 | * };
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297 | * async.filter(array, iterator, function(err, res) {
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298 | * console.log(res); // [1, 3];
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299 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
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300 | * });
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301 | *
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302 | * @example
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303 | *
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304 | * // object
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305 | * var order = [];
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306 | * var object = { a: 1, b: 3, c: 2 };
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307 | * var iterator = function(num, done) {
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308 | * setTimeout(function() {
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309 | * order.push(num);
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310 | * done(null, num % 2);
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311 | * }, num * 10);
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312 | * };
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313 | * async.filter(object, iterator, function(err, res) {
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314 | * console.log(res); // [1, 3];
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315 | * console.log(order); // [1, 2, 3]
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316 | * });
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317 | *
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318 | * @example
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319 | *
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320 | * // object with key
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321 | * var order = [];
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322 | * var object = { a: 1, b: 3, c: 2 };
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323 | * var iterator = function(num, key, done) {
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324 | * setTimeout(function() {
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325 | * order.push([num, key]);
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326 | * done(null, num % 2);
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327 | * }, num * 10);
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328 | * };
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329 | * async.filter(object, iterator, function(err, res) {
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330 | * console.log(res); // [1, 3];
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331 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
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332 | * });
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333 | *
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334 | */
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335 | var filter = createFilter(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue, true);
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336 |
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337 | /**
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338 | * @memberof async
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339 | * @namespace filterSeries
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340 | * @param {Array|Object} collection
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341 | * @param {Function} iterator
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342 | * @param {Function} callback
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343 | * @example
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344 | *
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345 | * // array
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346 | * var order = [];
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347 | * var array = [1, 3, 2];
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348 | * var iterator = function(num, done) {
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349 | * setTimeout(function() {
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350 | * order.push(num);
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351 | * done(null, num % 2);
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352 | * }, num * 10);
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353 | * };
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354 | * async.filterSeries(array, iterator, function(err, res) {
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355 | * console.log(res); // [1, 3];
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356 | * console.log(order); // [1, 3, 2]
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357 | * });
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358 | *
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359 | * @example
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360 | *
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361 | * // array with index
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362 | * var order = [];
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363 | * var array = [1, 3, 2];
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364 | * var iterator = function(num, index, done) {
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365 | * setTimeout(function() {
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366 | * order.push([num, index]);
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367 | * done(null, num % 2);
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368 | * }, num * 10);
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369 | * };
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370 | * async.filterSeries(array, iterator, function(err, res) {
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371 | * console.log(res); // [1, 3]
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372 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
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373 | * });
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374 | *
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375 | * @example
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376 | *
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377 | * // object
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378 | * var order = [];
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379 | * var object = { a: 1, b: 3, c: 2 };
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380 | * var iterator = function(num, done) {
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381 | * setTimeout(function() {
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382 | * order.push(num);
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383 | * done(null, num % 2);
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384 | * }, num * 10);
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385 | * };
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386 | * async.filterSeries(object, iterator, function(err, res) {
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387 | * console.log(res); // [1, 3]
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388 | * console.log(order); // [1, 3, 2]
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389 | * });
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390 | *
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391 | * @example
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392 | *
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393 | * // object with key
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394 | * var order = [];
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395 | * var object = { a: 1, b: 3, c: 2 };
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396 | * var iterator = function(num, key, done) {
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397 | * setTimeout(function() {
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398 | * order.push([num, key]);
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399 | * done(null, num % 2);
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400 | * }, num * 10);
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401 | * };
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402 | * async.filterSeries(object, iterator, function(err, res) {
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403 | * console.log(res); // [1, 3]
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404 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
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405 | * });
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406 | *
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407 | */
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408 | var filterSeries = createFilterSeries(true);
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409 |
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410 | /**
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411 | * @memberof async
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412 | * @namespace filterLimit
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413 | * @param {Array|Object} collection
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414 | * @param {number} limit - limit >= 1
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415 | * @param {Function} iterator
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416 | * @param {Function} callback
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417 | * @example
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418 | *
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419 | * // array
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420 | * var order = [];
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421 | * var array = [1, 5, 3, 4, 2];
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422 | * var iterator = function(num, done) {
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423 | * setTimeout(function() {
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424 | * order.push(num);
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425 | * done(null, num % 2);
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426 | * }, num * 10);
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427 | * };
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428 | * async.filterLimit(array, 2, iterator, function(err, res) {
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429 | * console.log(res); // [1, 5, 3]
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430 | * console.log(order); // [1, 3, 5, 2, 4]
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431 | * });
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432 | *
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433 | * @example
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434 | *
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435 | * // array with index
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436 | * var order = [];
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437 | * var array = [1, 5, 3, 4, 2];
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438 | * var iterator = function(num, index, done) {
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439 | * setTimeout(function() {
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440 | * order.push([num, index]);
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441 | * done(null, num % 2);
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442 | * }, num * 10);
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443 | * };
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444 | * async.filterLimit(array, 2, iterator, function(err, res) {
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445 | * console.log(res); // [1, 5, 3]
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446 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
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447 | * });
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448 | *
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449 | * @example
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450 | *
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451 | * // object
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452 | * var order = [];
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453 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
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454 | * var iterator = function(num, done) {
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455 | * setTimeout(function() {
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456 | * order.push(num);
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457 | * done(null, num % 2);
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458 | * }, num * 10);
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459 | * };
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460 | * async.filterLimit(object, 2, iterator, function(err, res) {
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461 | * console.log(res); // [1, 5, 3]
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462 | * console.log(order); // [1, 3, 5, 2, 4]
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463 | * });
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464 | *
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465 | * @example
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466 | *
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467 | * // object with key
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468 | * var order = [];
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469 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
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470 | * var iterator = function(num, key, done) {
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471 | * setTimeout(function() {
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472 | * order.push([num, key]);
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473 | * done(null, num % 2);
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474 | * }, num * 10);
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475 | * };
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476 | * async.filterLimit(object, 2, iterator, function(err, res) {
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477 | * console.log(res); // [1, 5, 3]
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478 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
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479 | * });
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480 | *
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481 | */
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482 | var filterLimit = createFilterLimit(true);
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483 |
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484 | /**
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485 | * @memberof async
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486 | * @namespace reject
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487 | * @param {Array|Object} collection
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488 | * @param {Function} iterator
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489 | * @param {Function} callback
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490 | * @example
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491 | *
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492 | * // array
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493 | * var order = [];
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494 | * var array = [1, 3, 2];
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495 | * var iterator = function(num, done) {
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496 | * setTimeout(function() {
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497 | * order.push(num);
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498 | * done(null, num % 2);
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499 | * }, num * 10);
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500 | * };
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501 | * async.reject(array, iterator, function(err, res) {
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502 | * console.log(res); // [2];
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503 | * console.log(order); // [1, 2, 3]
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504 | * });
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505 | *
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506 | * @example
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507 | *
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508 | * // array with index
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509 | * var order = [];
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510 | * var array = [1, 3, 2];
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511 | * var iterator = function(num, index, done) {
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512 | * setTimeout(function() {
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513 | * order.push([num, index]);
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514 | * done(null, num % 2);
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515 | * }, num * 10);
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516 | * };
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517 | * async.reject(array, iterator, function(err, res) {
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518 | * console.log(res); // [2];
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519 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
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520 | * });
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521 | *
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522 | * @example
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523 | *
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524 | * // object
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525 | * var order = [];
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526 | * var object = { a: 1, b: 3, c: 2 };
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527 | * var iterator = function(num, done) {
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528 | * setTimeout(function() {
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529 | * order.push(num);
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530 | * done(null, num % 2);
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531 | * }, num * 10);
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532 | * };
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533 | * async.reject(object, iterator, function(err, res) {
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534 | * console.log(res); // [2];
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535 | * console.log(order); // [1, 2, 3]
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536 | * });
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537 | *
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538 | * @example
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539 | *
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540 | * // object with key
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541 | * var order = [];
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542 | * var object = { a: 1, b: 3, c: 2 };
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543 | * var iterator = function(num, key, done) {
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544 | * setTimeout(function() {
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545 | * order.push([num, key]);
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546 | * done(null, num % 2);
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547 | * }, num * 10);
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548 | * };
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549 | * async.reject(object, iterator, function(err, res) {
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550 | * console.log(res); // [2];
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551 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
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552 | * });
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553 | *
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554 | */
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555 | var reject = createFilter(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue, false);
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556 |
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557 | /**
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558 | * @memberof async
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559 | * @namespace rejectSeries
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560 | * @param {Array|Object} collection
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561 | * @param {Function} iterator
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562 | * @param {Function} callback
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563 | * @example
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564 | *
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565 | * // array
|
566 | * var order = [];
|
567 | * var array = [1, 3, 2];
|
568 | * var iterator = function(num, done) {
|
569 | * setTimeout(function() {
|
570 | * order.push(num);
|
571 | * done(null, num % 2);
|
572 | * }, num * 10);
|
573 | * };
|
574 | * async.rejectSeries(array, iterator, function(err, res) {
|
575 | * console.log(res); // [2];
|
576 | * console.log(order); // [1, 3, 2]
|
577 | * });
|
578 | *
|
579 | * @example
|
580 | *
|
581 | * // object
|
582 | * var order = [];
|
583 | * var object = { a: 1, b: 3, c: 2 };
|
584 | * var iterator = function(num, done) {
|
585 | * setTimeout(function() {
|
586 | * order.push(num);
|
587 | * done(null, num % 2);
|
588 | * }, num * 10);
|
589 | * };
|
590 | * async.rejectSeries(object, iterator, function(err, res) {
|
591 | * console.log(res); // [2];
|
592 | * console.log(order); // [1, 3, 2]
|
593 | * });
|
594 | *
|
595 | * @example
|
596 | *
|
597 | * // object with key
|
598 | * var order = [];
|
599 | * var object = { a: 1, b: 3, c: 2 };
|
600 | * var iterator = function(num, key, done) {
|
601 | * setTimeout(function() {
|
602 | * order.push([num, key]);
|
603 | * done(null, num % 2);
|
604 | * }, num * 10);
|
605 | * };
|
606 | * async.rejectSeries(object, iterator, function(err, res) {
|
607 | * console.log(res); // [2];
|
608 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
|
609 | * });
|
610 | *
|
611 | */
|
612 | var rejectSeries = createFilterSeries(false);
|
613 |
|
614 | /**
|
615 | * @memberof async
|
616 | * @namespace rejectLimit
|
617 | * @param {Array|Object} collection
|
618 | * @param {number} limit - limit >= 1
|
619 | * @param {Function} iterator
|
620 | * @param {Function} callback
|
621 | * @example
|
622 | *
|
623 | * // array
|
624 | * var order = [];
|
625 | * var array = [1, 5, 3, 4, 2];
|
626 | * var iterator = function(num, done) {
|
627 | * setTimeout(function() {
|
628 | * order.push(num);
|
629 | * done(null, num % 2);
|
630 | * }, num * 10);
|
631 | * };
|
632 | * async.rejectLimit(array, 2, iterator, function(err, res) {
|
633 | * console.log(res); // [4, 2]
|
634 | * console.log(order); // [1, 3, 5, 2, 4]
|
635 | * });
|
636 | *
|
637 | * @example
|
638 | *
|
639 | * // array with index
|
640 | * var order = [];
|
641 | * var array = [1, 5, 3, 4, 2];
|
642 | * var iterator = function(num, index, done) {
|
643 | * setTimeout(function() {
|
644 | * order.push([num, index]);
|
645 | * done(null, num % 2);
|
646 | * }, num * 10);
|
647 | * };
|
648 | * async.rejectLimit(array, 2, iterator, function(err, res) {
|
649 | * console.log(res); // [4, 2]
|
650 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
651 | * });
|
652 | *
|
653 | * @example
|
654 | *
|
655 | * // object
|
656 | * var order = [];
|
657 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
658 | * var iterator = function(num, done) {
|
659 | * setTimeout(function() {
|
660 | * order.push(num);
|
661 | * done(null, num % 2);
|
662 | * }, num * 10);
|
663 | * };
|
664 | * async.rejectLimit(object, 2, iterator, function(err, res) {
|
665 | * console.log(res); // [4, 2]
|
666 | * console.log(order); // [1, 3, 5, 2, 4]
|
667 | * });
|
668 | *
|
669 | * @example
|
670 | *
|
671 | * // object with key
|
672 | * var order = [];
|
673 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
674 | * var iterator = function(num, key, done) {
|
675 | * setTimeout(function() {
|
676 | * order.push([num, key]);
|
677 | * done(null, num % 2);
|
678 | * }, num * 10);
|
679 | * };
|
680 | * async.rejectLimit(object, 2, iterator, function(err, res) {
|
681 | * console.log(res); // [4, 2]
|
682 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
683 | * });
|
684 | *
|
685 | */
|
686 | var rejectLimit = createFilterLimit(false);
|
687 |
|
688 | /**
|
689 | * @memberof async
|
690 | * @namespace detect
|
691 | * @param {Array|Object} collection
|
692 | * @param {Function} iterator
|
693 | * @param {Function} callback
|
694 | * @example
|
695 | *
|
696 | * // array
|
697 | * var order = [];
|
698 | * var array = [1, 3, 2];
|
699 | * var iterator = function(num, done) {
|
700 | * setTimeout(function() {
|
701 | * order.push(num);
|
702 | * done(null, num % 2);
|
703 | * }, num * 10);
|
704 | * };
|
705 | * async.detect(array, iterator, function(err, res) {
|
706 | * console.log(res); // 1
|
707 | * console.log(order); // [1]
|
708 | * });
|
709 | *
|
710 | * @example
|
711 | *
|
712 | * // array with index
|
713 | * var order = [];
|
714 | * var array = [1, 3, 2];
|
715 | * var iterator = function(num, index, done) {
|
716 | * setTimeout(function() {
|
717 | * order.push([num, index]);
|
718 | * done(null, num % 2);
|
719 | * }, num * 10);
|
720 | * };
|
721 | * async.detect(array, iterator, function(err, res) {
|
722 | * console.log(res); // 1
|
723 | * console.log(order); // [[1, 0]]
|
724 | * });
|
725 | *
|
726 | * @example
|
727 | *
|
728 | * // object
|
729 | * var order = [];
|
730 | * var object = { a: 1, b: 3, c: 2 };
|
731 | * var iterator = function(num, done) {
|
732 | * setTimeout(function() {
|
733 | * order.push(num);
|
734 | * done(null, num % 2);
|
735 | * }, num * 10);
|
736 | * };
|
737 | * async.detect(object, iterator, function(err, res) {
|
738 | * console.log(res); // 1
|
739 | * console.log(order); // [1]
|
740 | * });
|
741 | *
|
742 | * @example
|
743 | *
|
744 | * // object with key
|
745 | * var order = [];
|
746 | * var object = { a: 1, b: 3, c: 2 };
|
747 | * var iterator = function(num, key, done) {
|
748 | * setTimeout(function() {
|
749 | * order.push([num, key]);
|
750 | * done(null, num % 2);
|
751 | * }, num * 10);
|
752 | * };
|
753 | * async.detect(object, iterator, function(err, res) {
|
754 | * console.log(res); // 1
|
755 | * console.log(order); // [[1, 'a']]
|
756 | * });
|
757 | *
|
758 | */
|
759 | var detect = createDetect(arrayEachValue, baseEachValue, symbolEachValue, true);
|
760 |
|
761 | /**
|
762 | * @memberof async
|
763 | * @namespace detectSeries
|
764 | * @param {Array|Object} collection
|
765 | * @param {Function} iterator
|
766 | * @param {Function} callback
|
767 | * @example
|
768 | *
|
769 | * // array
|
770 | * var order = [];
|
771 | * var array = [1, 3, 2];
|
772 | * var iterator = function(num, done) {
|
773 | * setTimeout(function() {
|
774 | * order.push(num);
|
775 | * done(null, num % 2);
|
776 | * }, num * 10);
|
777 | * };
|
778 | * async.detectSeries(array, iterator, function(err, res) {
|
779 | * console.log(res); // 1
|
780 | * console.log(order); // [1]
|
781 | * });
|
782 | *
|
783 | * @example
|
784 | *
|
785 | * // array with index
|
786 | * var order = [];
|
787 | * var array = [1, 3, 2];
|
788 | * var iterator = function(num, index, done) {
|
789 | * setTimeout(function() {
|
790 | * order.push([num, index]);
|
791 | * done(null, num % 2);
|
792 | * }, num * 10);
|
793 | * };
|
794 | * async.detectSeries(array, iterator, function(err, res) {
|
795 | * console.log(res); // 1
|
796 | * console.log(order); // [[1, 0]]
|
797 | * });
|
798 | *
|
799 | * @example
|
800 | *
|
801 | * // object
|
802 | * var order = [];
|
803 | * var object = { a: 1, b: 3, c: 2 };
|
804 | * var iterator = function(num, done) {
|
805 | * setTimeout(function() {
|
806 | * order.push(num);
|
807 | * done(null, num % 2);
|
808 | * }, num * 10);
|
809 | * };
|
810 | * async.detectSeries(object, iterator, function(err, res) {
|
811 | * console.log(res); // 1
|
812 | * console.log(order); // [1]
|
813 | * });
|
814 | *
|
815 | * @example
|
816 | *
|
817 | * // object with key
|
818 | * var order = [];
|
819 | * var object = { a: 1, b: 3, c: 2 };
|
820 | * var iterator = function(num, key, done) {
|
821 | * setTimeout(function() {
|
822 | * order.push([num, key]);
|
823 | * done(null, num % 2);
|
824 | * }, num * 10);
|
825 | * };
|
826 | * async.detectSeries(object, iterator, function(err, res) {
|
827 | * console.log(res); // 1
|
828 | * console.log(order); // [[1, 'a']]
|
829 | * });
|
830 | *
|
831 | */
|
832 | var detectSeries = createDetectSeries(true);
|
833 |
|
834 | /**
|
835 | * @memberof async
|
836 | * @namespace detectLimit
|
837 | * @param {Array|Object} collection
|
838 | * @param {number} limit - limit >= 1
|
839 | * @param {Function} iterator
|
840 | * @param {Function} callback
|
841 | * @example
|
842 | *
|
843 | * // array
|
844 | * var order = [];
|
845 | * var array = [1, 5, 3, 4, 2];
|
846 | * var iterator = function(num, done) {
|
847 | * setTimeout(function() {
|
848 | * order.push(num);
|
849 | * done(null, num % 2);
|
850 | * }, num * 10);
|
851 | * };
|
852 | * async.detectLimit(array, 2, iterator, function(err, res) {
|
853 | * console.log(res); // 1
|
854 | * console.log(order); // [1]
|
855 | * });
|
856 | *
|
857 | * @example
|
858 | *
|
859 | * // array with index
|
860 | * var order = [];
|
861 | * var array = [1, 5, 3, 4, 2];
|
862 | * var iterator = function(num, index, done) {
|
863 | * setTimeout(function() {
|
864 | * order.push([num, index]);
|
865 | * done(null, num % 2);
|
866 | * }, num * 10);
|
867 | * };
|
868 | * async.detectLimit(array, 2, iterator, function(err, res) {
|
869 | * console.log(res); // 1
|
870 | * console.log(order); // [[1, 0]]
|
871 | * });
|
872 | *
|
873 | * @example
|
874 | *
|
875 | * // object
|
876 | * var order = [];
|
877 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
878 | * var iterator = function(num, done) {
|
879 | * setTimeout(function() {
|
880 | * order.push(num);
|
881 | * done(null, num % 2);
|
882 | * }, num * 10);
|
883 | * };
|
884 | * async.detectLimit(object, 2, iterator, function(err, res) {
|
885 | * console.log(res); // 1
|
886 | * console.log(order); // [1]
|
887 | * });
|
888 | *
|
889 | * @example
|
890 | *
|
891 | * // object with key
|
892 | * var order = [];
|
893 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
894 | * var iterator = function(num, key, done) {
|
895 | * setTimeout(function() {
|
896 | * order.push([num, key]);
|
897 | * done(null, num % 2);
|
898 | * }, num * 10);
|
899 | * };
|
900 | * async.detectLimit(object, 2, iterator, function(err, res) {
|
901 | * console.log(res); // 1
|
902 | * console.log(order); // [[1, 'a']]
|
903 | * });
|
904 | *
|
905 | */
|
906 | var detectLimit = createDetectLimit(true);
|
907 |
|
908 | /**
|
909 | * @memberof async
|
910 | * @namespace every
|
911 | * @param {Array|Object} collection
|
912 | * @param {Function} iterator
|
913 | * @param {Function} callback
|
914 | * @example
|
915 | *
|
916 | * // array
|
917 | * var order = [];
|
918 | * var array = [1, 3, 2];
|
919 | * var iterator = function(num, done) {
|
920 | * setTimeout(function() {
|
921 | * order.push(num);
|
922 | * done(null, num % 2);
|
923 | * }, num * 10);
|
924 | * };
|
925 | * async.every(array, iterator, function(err, res) {
|
926 | * console.log(res); // false
|
927 | * console.log(order); // [1, 2]
|
928 | * });
|
929 | *
|
930 | * @example
|
931 | *
|
932 | * // array with index
|
933 | * var order = [];
|
934 | * var array = [1, 3, 2];
|
935 | * var iterator = function(num, index, done) {
|
936 | * setTimeout(function() {
|
937 | * order.push([num, index]);
|
938 | * done(null, num % 2);
|
939 | * }, num * 10);
|
940 | * };
|
941 | * async.every(array, iterator, function(err, res) {
|
942 | * console.log(res); // false
|
943 | * console.log(order); // [[1, 0], [2, 2]]
|
944 | * });
|
945 | *
|
946 | * @example
|
947 | *
|
948 | * // object
|
949 | * var order = [];
|
950 | * var object = { a: 1, b: 3, c: 2 };
|
951 | * var iterator = function(num, done) {
|
952 | * setTimeout(function() {
|
953 | * order.push(num);
|
954 | * done(null, num % 2);
|
955 | * }, num * 10);
|
956 | * };
|
957 | * async.every(object, iterator, function(err, res) {
|
958 | * console.log(res); // false
|
959 | * console.log(order); // [1, 2]
|
960 | * });
|
961 | *
|
962 | * @example
|
963 | *
|
964 | * // object with key
|
965 | * var order = [];
|
966 | * var object = { a: 1, b: 3, c: 2 };
|
967 | * var iterator = function(num, key, done) {
|
968 | * setTimeout(function() {
|
969 | * order.push([num, key]);
|
970 | * done(null, num % 2);
|
971 | * }, num * 10);
|
972 | * };
|
973 | * async.every(object, iterator, function(err, res) {
|
974 | * console.log(res); // false
|
975 | * console.log(order); // [[1, 'a'], [2, 'c']]
|
976 | * });
|
977 | *
|
978 | */
|
979 | var every = createEvery(arrayEachValue, baseEachValue, symbolEachValue);
|
980 |
|
981 | /**
|
982 | * @memberof async
|
983 | * @namespace everySeries
|
984 | * @param {Array|Object} collection
|
985 | * @param {Function} iterator
|
986 | * @param {Function} callback
|
987 | * @example
|
988 | *
|
989 | * // array
|
990 | * var order = [];
|
991 | * var array = [1, 3, 2];
|
992 | * var iterator = function(num, done) {
|
993 | * setTimeout(function() {
|
994 | * order.push(num);
|
995 | * done(null, num % 2);
|
996 | * }, num * 10);
|
997 | * };
|
998 | * async.everySeries(array, iterator, function(err, res) {
|
999 | * console.log(res); // false
|
1000 | * console.log(order); // [1, 3, 2]
|
1001 | * });
|
1002 | *
|
1003 | * @example
|
1004 | *
|
1005 | * // array with index
|
1006 | * var order = [];
|
1007 | * var array = [1, 3, 2];
|
1008 | * var iterator = function(num, index, done) {
|
1009 | * setTimeout(function() {
|
1010 | * order.push([num, index]);
|
1011 | * done(null, num % 2);
|
1012 | * }, num * 10);
|
1013 | * };
|
1014 | * async.everySeries(array, iterator, function(err, res) {
|
1015 | * console.log(res); // false
|
1016 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
|
1017 | * });
|
1018 | *
|
1019 | * @example
|
1020 | *
|
1021 | * // object
|
1022 | * var order = [];
|
1023 | * var object = { a: 1, b: 3, c: 2 };
|
1024 | * var iterator = function(num, done) {
|
1025 | * setTimeout(function() {
|
1026 | * order.push(num);
|
1027 | * done(null, num % 2);
|
1028 | * }, num * 10);
|
1029 | * };
|
1030 | * async.everySeries(object, iterator, function(err, res) {
|
1031 | * console.log(res); // false
|
1032 | * console.log(order); // [1, 3, 2]
|
1033 | * });
|
1034 | *
|
1035 | * @example
|
1036 | *
|
1037 | * // object with key
|
1038 | * var order = [];
|
1039 | * var object = { a: 1, b: 3, c: 2 };
|
1040 | * var iterator = function(num, key, done) {
|
1041 | * setTimeout(function() {
|
1042 | * order.push([num, key]);
|
1043 | * done(null, num % 2);
|
1044 | * }, num * 10);
|
1045 | * };
|
1046 | * async.everySeries(object, iterator, function(err, res) {
|
1047 | * console.log(res); // false
|
1048 | * console.log(order); // [[1, 'a'], [3, 'b'] [2, 'c']]
|
1049 | * });
|
1050 | *
|
1051 | */
|
1052 | var everySeries = createEverySeries();
|
1053 |
|
1054 | /**
|
1055 | * @memberof async
|
1056 | * @namespace everyLimit
|
1057 | * @param {Array|Object} collection
|
1058 | * @param {number} limit - limit >= 1
|
1059 | * @param {Function} iterator
|
1060 | * @param {Function} callback
|
1061 | * @example
|
1062 | *
|
1063 | * // array
|
1064 | * var order = [];
|
1065 | * var array = [1, 5, 3, 4, 2];
|
1066 | * var iterator = function(num, done) {
|
1067 | * setTimeout(function() {
|
1068 | * order.push(num);
|
1069 | * done(null, num % 2);
|
1070 | * }, num * 10);
|
1071 | * };
|
1072 | * async.everyLimit(array, 2, iterator, function(err, res) {
|
1073 | * console.log(res); // false
|
1074 | * console.log(order); // [1, 3, 5, 2]
|
1075 | * });
|
1076 | *
|
1077 | * @example
|
1078 | *
|
1079 | * // array with index
|
1080 | * var order = [];
|
1081 | * var array = [1, 5, 3, 4, 2];
|
1082 | * var iterator = function(num, index, done) {
|
1083 | * setTimeout(function() {
|
1084 | * order.push([num, index]);
|
1085 | * done(null, num % 2);
|
1086 | * }, num * 10);
|
1087 | * };
|
1088 | * async.everyLimit(array, 2, iterator, function(err, res) {
|
1089 | * console.log(res); // false
|
1090 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4]]
|
1091 | * });
|
1092 | *
|
1093 | * @example
|
1094 | *
|
1095 | * // object
|
1096 | * var order = [];
|
1097 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
1098 | * var iterator = function(num, done) {
|
1099 | * setTimeout(function() {
|
1100 | * order.push(num);
|
1101 | * done(null, num % 2);
|
1102 | * }, num * 10);
|
1103 | * };
|
1104 | * async.everyLimit(object, 2, iterator, function(err, res) {
|
1105 | * console.log(res); // false
|
1106 | * console.log(order); // [1, 3, 5, 2]
|
1107 | * });
|
1108 | *
|
1109 | * @example
|
1110 | *
|
1111 | * // object with key
|
1112 | * var order = [];
|
1113 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
1114 | * var iterator = function(num, key, done) {
|
1115 | * setTimeout(function() {
|
1116 | * order.push([num, key]);
|
1117 | * done(null, num % 2);
|
1118 | * }, num * 10);
|
1119 | * };
|
1120 | * async.everyLimit(object, 2, iterator, function(err, res) {
|
1121 | * console.log(res); // false
|
1122 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e']]
|
1123 | * });
|
1124 | *
|
1125 | */
|
1126 | var everyLimit = createEveryLimit();
|
1127 |
|
1128 | /**
|
1129 | * @memberof async
|
1130 | * @namespace pick
|
1131 | * @param {Array|Object} collection
|
1132 | * @param {Function} iterator
|
1133 | * @param {Function} callback
|
1134 | * @example
|
1135 | *
|
1136 | * // array
|
1137 | * var order = [];
|
1138 | * var array = [1, 3, 2, 4];
|
1139 | * var iterator = function(num, done) {
|
1140 | * setTimeout(function() {
|
1141 | * order.push(num);
|
1142 | * done(null, num % 2);
|
1143 | * }, num * 10);
|
1144 | * };
|
1145 | * async.pick(array, iterator, function(err, res) {
|
1146 | * console.log(res); // { '0': 1, '1': 3 }
|
1147 | * console.log(order); // [1, 2, 3, 4]
|
1148 | * });
|
1149 | *
|
1150 | * @example
|
1151 | *
|
1152 | * // array with index
|
1153 | * var order = [];
|
1154 | * var array = [1, 3, 2, 4];
|
1155 | * var iterator = function(num, index, done) {
|
1156 | * setTimeout(function() {
|
1157 | * order.push([num, index]);
|
1158 | * done(null, num % 2);
|
1159 | * }, num * 10);
|
1160 | * };
|
1161 | * async.pick(array, iterator, function(err, res) {
|
1162 | * console.log(res); // { '0': 1, '1': 3 }
|
1163 | * console.log(order); // [[0, 1], [2, 2], [3, 1], [4, 3]]
|
1164 | * });
|
1165 | *
|
1166 | * @example
|
1167 | *
|
1168 | * // object
|
1169 | * var order = [];
|
1170 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1171 | * var iterator = function(num, done) {
|
1172 | * setTimeout(function() {
|
1173 | * order.push(num);
|
1174 | * done(null, num % 2);
|
1175 | * }, num * 10);
|
1176 | * };
|
1177 | * async.pick(object, iterator, function(err, res) {
|
1178 | * console.log(res); // { a: 1, b: 3 }
|
1179 | * console.log(order); // [1, 2, 3, 4]
|
1180 | * });
|
1181 | *
|
1182 | * @example
|
1183 | *
|
1184 | * // object with key
|
1185 | * var order = [];
|
1186 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1187 | * var iterator = function(num, key, done) {
|
1188 | * setTimeout(function() {
|
1189 | * order.push([num, key]);
|
1190 | * done(null, num % 2);
|
1191 | * }, num * 10);
|
1192 | * };
|
1193 | * async.pick(object, iterator, function(err, res) {
|
1194 | * console.log(res); // { a: 1, b: 3 }
|
1195 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']]
|
1196 | * });
|
1197 | *
|
1198 | */
|
1199 | var pick = createPick(arrayEachIndexValue, baseEachKeyValue, symbolEachKeyValue, true);
|
1200 |
|
1201 | /**
|
1202 | * @memberof async
|
1203 | * @namespace pickSeries
|
1204 | * @param {Array|Object} collection
|
1205 | * @param {Function} iterator
|
1206 | * @param {Function} callback
|
1207 | * @example
|
1208 | *
|
1209 | * // array
|
1210 | * var order = [];
|
1211 | * var array = [1, 3, 2, 4];
|
1212 | * var iterator = function(num, done) {
|
1213 | * setTimeout(function() {
|
1214 | * order.push(num);
|
1215 | * done(null, num % 2);
|
1216 | * }, num * 10);
|
1217 | * };
|
1218 | * async.pickSeries(array, iterator, function(err, res) {
|
1219 | * console.log(res); // { '0': 1, '1': 3 }
|
1220 | * console.log(order); // [1, 3, 2, 4]
|
1221 | * });
|
1222 | *
|
1223 | * @example
|
1224 | *
|
1225 | * // array with index
|
1226 | * var order = [];
|
1227 | * var array = [1, 3, 2, 4];
|
1228 | * var iterator = function(num, index, done) {
|
1229 | * setTimeout(function() {
|
1230 | * order.push([num, index]);
|
1231 | * done(null, num % 2);
|
1232 | * }, num * 10);
|
1233 | * };
|
1234 | * async.pickSeries(array, iterator, function(err, res) {
|
1235 | * console.log(res); // { '0': 1, '1': 3 }
|
1236 | * console.log(order); // [[0, 1], [3, 1], [2, 2], [4, 3]]
|
1237 | * });
|
1238 | *
|
1239 | * @example
|
1240 | *
|
1241 | * // object
|
1242 | * var order = [];
|
1243 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1244 | * var iterator = function(num, done) {
|
1245 | * setTimeout(function() {
|
1246 | * order.push(num);
|
1247 | * done(null, num % 2);
|
1248 | * }, num * 10);
|
1249 | * };
|
1250 | * async.pickSeries(object, iterator, function(err, res) {
|
1251 | * console.log(res); // { a: 1, b: 3 }
|
1252 | * console.log(order); // [1, 3, 2, 4]
|
1253 | * });
|
1254 | *
|
1255 | * @example
|
1256 | *
|
1257 | * // object with key
|
1258 | * var order = [];
|
1259 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1260 | * var iterator = function(num, key, done) {
|
1261 | * setTimeout(function() {
|
1262 | * order.push([num, key]);
|
1263 | * done(null, num % 2);
|
1264 | * }, num * 10);
|
1265 | * };
|
1266 | * async.pickSeries(object, iterator, function(err, res) {
|
1267 | * console.log(res); // { a: 1, b: 3 }
|
1268 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c'], [4, 'd']]
|
1269 | * });
|
1270 | *
|
1271 | */
|
1272 | var pickSeries = createPickSeries(true);
|
1273 |
|
1274 | /**
|
1275 | * @memberof async
|
1276 | * @namespace pickLimit
|
1277 | * @param {Array|Object} collection
|
1278 | * @param {number} limit - limit >= 1
|
1279 | * @param {Function} iterator
|
1280 | * @param {Function} callback
|
1281 | * @example
|
1282 | *
|
1283 | * // array
|
1284 | * var order = [];
|
1285 | * var array = [1, 5, 3, 4, 2];
|
1286 | * var iterator = function(num, done) {
|
1287 | * setTimeout(function() {
|
1288 | * order.push(num);
|
1289 | * done(null, num % 2);
|
1290 | * }, num * 10);
|
1291 | * };
|
1292 | * async.pickLimit(array, 2, iterator, function(err, res) {
|
1293 | * console.log(res); // { '0': 1, '1': 5, '2': 3 }
|
1294 | * console.log(order); // [1, 3, 5, 2, 4]
|
1295 | * });
|
1296 | *
|
1297 | * @example
|
1298 | *
|
1299 | * // array with index
|
1300 | * var order = [];
|
1301 | * var array = [1, 5, 3, 4, 2];
|
1302 | * var iterator = function(num, index, done) {
|
1303 | * setTimeout(function() {
|
1304 | * order.push([num, index]);
|
1305 | * done(null, num % 2);
|
1306 | * }, num * 10);
|
1307 | * };
|
1308 | * async.pickLimit(array, 2, iterator, function(err, res) {
|
1309 | * console.log(res); // { '0': 1, '1': 5, '2': 3 }
|
1310 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
1311 | * });
|
1312 | *
|
1313 | * @example
|
1314 | *
|
1315 | * // object
|
1316 | * var order = [];
|
1317 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
1318 | * var iterator = function(num, done) {
|
1319 | * setTimeout(function() {
|
1320 | * order.push(num);
|
1321 | * done(null, num % 2);
|
1322 | * }, num * 10);
|
1323 | * };
|
1324 | * async.pickLimit(object, 2, iterator, function(err, res) {
|
1325 | * console.log(res); // { a: 1, b: 5, c: 3 }
|
1326 | * console.log(order); // [1, 3, 5, 2, 4]
|
1327 | * });
|
1328 | *
|
1329 | * @example
|
1330 | *
|
1331 | * // object with key
|
1332 | * var order = [];
|
1333 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
1334 | * var iterator = function(num, key, done) {
|
1335 | * setTimeout(function() {
|
1336 | * order.push([num, key]);
|
1337 | * done(null, num % 2);
|
1338 | * }, num * 10);
|
1339 | * };
|
1340 | * async.pickLimit(object, 2, iterator, function(err, res) {
|
1341 | * console.log(res); // { a: 1, b: 5, c: 3 }
|
1342 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
1343 | * });
|
1344 | *
|
1345 | */
|
1346 | var pickLimit = createPickLimit(true);
|
1347 |
|
1348 | /**
|
1349 | * @memberof async
|
1350 | * @namespace omit
|
1351 | * @param {Array|Object} collection
|
1352 | * @param {Function} iterator
|
1353 | * @param {Function} callback
|
1354 | * @example
|
1355 | *
|
1356 | * // array
|
1357 | * var order = [];
|
1358 | * var array = [1, 3, 2, 4];
|
1359 | * var iterator = function(num, done) {
|
1360 | * setTimeout(function() {
|
1361 | * order.push(num);
|
1362 | * done(null, num % 2);
|
1363 | * }, num * 10);
|
1364 | * };
|
1365 | * async.omit(array, iterator, function(err, res) {
|
1366 | * console.log(res); // { '2': 2, '3': 4 }
|
1367 | * console.log(order); // [1, 2, 3, 4]
|
1368 | * });
|
1369 | *
|
1370 | * @example
|
1371 | *
|
1372 | * // array with index
|
1373 | * var order = [];
|
1374 | * var array = [1, 3, 2, 4];
|
1375 | * var iterator = function(num, index, done) {
|
1376 | * setTimeout(function() {
|
1377 | * order.push([num, index]);
|
1378 | * done(null, num % 2);
|
1379 | * }, num * 10);
|
1380 | * };
|
1381 | * async.omit(array, iterator, function(err, res) {
|
1382 | * console.log(res); // { '2': 2, '3': 4 }
|
1383 | * console.log(order); // [[0, 1], [2, 2], [3, 1], [4, 3]]
|
1384 | * });
|
1385 | *
|
1386 | * @example
|
1387 | *
|
1388 | * // object
|
1389 | * var order = [];
|
1390 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1391 | * var iterator = function(num, done) {
|
1392 | * setTimeout(function() {
|
1393 | * order.push(num);
|
1394 | * done(null, num % 2);
|
1395 | * }, num * 10);
|
1396 | * };
|
1397 | * async.omit(object, iterator, function(err, res) {
|
1398 | * console.log(res); // { c: 2, d: 4 }
|
1399 | * console.log(order); // [1, 2, 3, 4]
|
1400 | * });
|
1401 | *
|
1402 | * @example
|
1403 | *
|
1404 | * // object with key
|
1405 | * var order = [];
|
1406 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1407 | * var iterator = function(num, key, done) {
|
1408 | * setTimeout(function() {
|
1409 | * order.push([num, key]);
|
1410 | * done(null, num % 2);
|
1411 | * }, num * 10);
|
1412 | * };
|
1413 | * async.omit(object, iterator, function(err, res) {
|
1414 | * console.log(res); // { c: 2, d: 4 }
|
1415 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']]
|
1416 | * });
|
1417 | *
|
1418 | */
|
1419 | var omit = createPick(arrayEachIndexValue, baseEachKeyValue, symbolEachKeyValue, false);
|
1420 |
|
1421 | /**
|
1422 | * @memberof async
|
1423 | * @namespace omitSeries
|
1424 | * @param {Array|Object} collection
|
1425 | * @param {Function} iterator
|
1426 | * @param {Function} callback
|
1427 | * @example
|
1428 | *
|
1429 | * // array
|
1430 | * var order = [];
|
1431 | * var array = [1, 3, 2, 4];
|
1432 | * var iterator = function(num, done) {
|
1433 | * setTimeout(function() {
|
1434 | * order.push(num);
|
1435 | * done(null, num % 2);
|
1436 | * }, num * 10);
|
1437 | * };
|
1438 | * async.omitSeries(array, iterator, function(err, res) {
|
1439 | * console.log(res); // { '2': 2, '3': 4 }
|
1440 | * console.log(order); // [1, 3, 2, 4]
|
1441 | * });
|
1442 | *
|
1443 | * @example
|
1444 | *
|
1445 | * // array with index
|
1446 | * var order = [];
|
1447 | * var array = [1, 3, 2, 4];
|
1448 | * var iterator = function(num, index, done) {
|
1449 | * setTimeout(function() {
|
1450 | * order.push([num, index]);
|
1451 | * done(null, num % 2);
|
1452 | * }, num * 10);
|
1453 | * };
|
1454 | * async.omitSeries(array, iterator, function(err, res) {
|
1455 | * console.log(res); // { '2': 2, '3': 4 }
|
1456 | * console.log(order); // [[0, 1], [3, 1], [2, 2], [4, 3]]
|
1457 | * });
|
1458 | *
|
1459 | * @example
|
1460 | *
|
1461 | * // object
|
1462 | * var order = [];
|
1463 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1464 | * var iterator = function(num, done) {
|
1465 | * setTimeout(function() {
|
1466 | * order.push(num);
|
1467 | * done(null, num % 2);
|
1468 | * }, num * 10);
|
1469 | * };
|
1470 | * async.omitSeries(object, iterator, function(err, res) {
|
1471 | * console.log(res); // { c: 2, d: 4 }
|
1472 | * console.log(order); // [1, 3, 2, 4]
|
1473 | * });
|
1474 | *
|
1475 | * @example
|
1476 | *
|
1477 | * // object with key
|
1478 | * var order = [];
|
1479 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1480 | * var iterator = function(num, key, done) {
|
1481 | * setTimeout(function() {
|
1482 | * order.push([num, key]);
|
1483 | * done(null, num % 2);
|
1484 | * }, num * 10);
|
1485 | * };
|
1486 | * async.omitSeries(object, iterator, function(err, res) {
|
1487 | * console.log(res); // { c: 2, d: 4 }
|
1488 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c'], [4, 'd']]
|
1489 | * });
|
1490 | *
|
1491 | */
|
1492 | var omitSeries = createPickSeries(false);
|
1493 |
|
1494 | /**
|
1495 | * @memberof async
|
1496 | * @namespace omitLimit
|
1497 | * @param {Array|Object} collection
|
1498 | * @param {number} limit - limit >= 1
|
1499 | * @param {Function} iterator
|
1500 | * @param {Function} callback
|
1501 | * @example
|
1502 | *
|
1503 | * // array
|
1504 | * var order = [];
|
1505 | * var array = [1, 5, 3, 4, 2];
|
1506 | * var iterator = function(num, done) {
|
1507 | * setTimeout(function() {
|
1508 | * order.push(num);
|
1509 | * done(null, num % 2);
|
1510 | * }, num * 10);
|
1511 | * };
|
1512 | * async.omitLimit(array, 2, iterator, function(err, res) {
|
1513 | * console.log(res); // { '3': 4, '4': 2 }
|
1514 | * console.log(order); // [1, 3, 5, 2, 4]
|
1515 | * });
|
1516 | *
|
1517 | * @example
|
1518 | *
|
1519 | * // array with index
|
1520 | * var order = [];
|
1521 | * var array = [1, 5, 3, 4, 2];
|
1522 | * var iterator = function(num, index, done) {
|
1523 | * setTimeout(function() {
|
1524 | * order.push([num, index]);
|
1525 | * done(null, num % 2);
|
1526 | * }, num * 10);
|
1527 | * };
|
1528 | * async.omitLimit(array, 2, iterator, function(err, res) {
|
1529 | * console.log(res); // { '3': 4, '4': 2 }
|
1530 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
1531 | * });
|
1532 | *
|
1533 | * @example
|
1534 | *
|
1535 | * // object
|
1536 | * var order = [];
|
1537 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
1538 | * var iterator = function(num, done) {
|
1539 | * setTimeout(function() {
|
1540 | * order.push(num);
|
1541 | * done(null, num % 2);
|
1542 | * }, num * 10);
|
1543 | * };
|
1544 | * async.omitLimit(object, 2, iterator, function(err, res) {
|
1545 | * console.log(res); // { d: 4, e: 2 }
|
1546 | * console.log(order); // [1, 3, 5, 2, 4]
|
1547 | * });
|
1548 | *
|
1549 | * @example
|
1550 | *
|
1551 | * // object with key
|
1552 | * var order = [];
|
1553 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
1554 | * var iterator = function(num, key, done) {
|
1555 | * setTimeout(function() {
|
1556 | * order.push([num, key]);
|
1557 | * done(null, num % 2);
|
1558 | * }, num * 10);
|
1559 | * };
|
1560 | * async.omitLimit(object, 2, iterator, function(err, res) {
|
1561 | * console.log(res); // { d: 4, e: 2 }
|
1562 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
1563 | * });
|
1564 | *
|
1565 | */
|
1566 | var omitLimit = createPickLimit(false);
|
1567 |
|
1568 | /**
|
1569 | * @memberof async
|
1570 | * @namespace transform
|
1571 | * @param {Array|Object} collection
|
1572 | * @param {Array|Object|Function} [accumulator]
|
1573 | * @param {Function} [iterator]
|
1574 | * @param {Function} [callback]
|
1575 | * @example
|
1576 | *
|
1577 | * // array
|
1578 | * var order = [];
|
1579 | * var collection = [1, 3, 2, 4];
|
1580 | * var iterator = function(result, num, done) {
|
1581 | * setTimeout(function() {
|
1582 | * order.push(num);
|
1583 | * result.push(num)
|
1584 | * done();
|
1585 | * }, num * 10);
|
1586 | * };
|
1587 | * async.transform(collection, iterator, function(err, res) {
|
1588 | * console.log(res); // [1, 2, 3, 4]
|
1589 | * console.log(order); // [1, 2, 3, 4]
|
1590 | * });
|
1591 | *
|
1592 | * @example
|
1593 | *
|
1594 | * // array with index and accumulator
|
1595 | * var order = [];
|
1596 | * var collection = [1, 3, 2, 4];
|
1597 | * var iterator = function(result, num, index, done) {
|
1598 | * setTimeout(function() {
|
1599 | * order.push([num, index]);
|
1600 | * result[index] = num;
|
1601 | * done();
|
1602 | * }, num * 10);
|
1603 | * };
|
1604 | * async.transform(collection, {}, iterator, function(err, res) {
|
1605 | * console.log(res); // { '0': 1, '1': 3, '2': 2, '3': 4 }
|
1606 | * console.log(order); // [[1, 0], [2, 2], [3, 1], [4, 3]]
|
1607 | * });
|
1608 | *
|
1609 | * @example
|
1610 | *
|
1611 | * // object with accumulator
|
1612 | * var order = [];
|
1613 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1614 | * var iterator = function(result, num, done) {
|
1615 | * setTimeout(function() {
|
1616 | * order.push(num);
|
1617 | * result.push(num);
|
1618 | * done();
|
1619 | * }, num * 10);
|
1620 | * };
|
1621 | * async.transform(collection, [], iterator, function(err, res) {
|
1622 | * console.log(res); // [1, 2, 3, 4]
|
1623 | * console.log(order); // [1, 2, 3, 4]
|
1624 | * });
|
1625 | *
|
1626 | * @example
|
1627 | *
|
1628 | * // object with key
|
1629 | * var order = [];
|
1630 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
1631 | * var iterator = function(result, num, key, done) {
|
1632 | * setTimeout(function() {
|
1633 | * order.push([num, key]);
|
1634 | * result[key] = num;
|
1635 | * done();
|
1636 | * }, num * 10);
|
1637 | * };
|
1638 | * async.transform(collection, iterator, function(err, res) {
|
1639 | * console.log(res); // { a: 1, b: 3, c: 2, d: 4 }
|
1640 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']]
|
1641 | * });
|
1642 | *
|
1643 | */
|
1644 | var transform = createTransform(arrayEachResult, baseEachResult, symbolEachResult);
|
1645 |
|
1646 | /**
|
1647 | * @memberof async
|
1648 | * @namespace sortBy
|
1649 | * @param {Array|Object} collection
|
1650 | * @param {Function} iterator
|
1651 | * @param {Function} callback
|
1652 | * @example
|
1653 | *
|
1654 | * // array
|
1655 | * var order = [];
|
1656 | * var array = [1, 3, 2];
|
1657 | * var iterator = function(num, done) {
|
1658 | * setTimeout(function() {
|
1659 | * order.push(num);
|
1660 | * done(null, num);
|
1661 | * }, num * 10);
|
1662 | * };
|
1663 | * async.sortBy(array, iterator, function(err, res) {
|
1664 | * console.log(res); // [1, 2, 3];
|
1665 | * console.log(order); // [1, 2, 3]
|
1666 | * });
|
1667 | *
|
1668 | * @example
|
1669 | *
|
1670 | * // array with index
|
1671 | * var order = [];
|
1672 | * var array = [1, 3, 2];
|
1673 | * var iterator = function(num, index, done) {
|
1674 | * setTimeout(function() {
|
1675 | * order.push([num, index]);
|
1676 | * done(null, num);
|
1677 | * }, num * 10);
|
1678 | * };
|
1679 | * async.sortBy(array, iterator, function(err, res) {
|
1680 | * console.log(res); // [1, 2, 3]
|
1681 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
|
1682 | * });
|
1683 | *
|
1684 | * @example
|
1685 | *
|
1686 | * // object
|
1687 | * var order = [];
|
1688 | * var object = { a: 1, b: 3, c: 2 };
|
1689 | * var iterator = function(num, done) {
|
1690 | * setTimeout(function() {
|
1691 | * order.push(num);
|
1692 | * done(null, num);
|
1693 | * }, num * 10);
|
1694 | * };
|
1695 | * async.sortBy(object, iterator, function(err, res) {
|
1696 | * console.log(res); // [1, 2, 3]
|
1697 | * console.log(order); // [1, 2, 3]
|
1698 | * });
|
1699 | *
|
1700 | * @example
|
1701 | *
|
1702 | * // object with key
|
1703 | * var order = [];
|
1704 | * var object = { a: 1, b: 3, c: 2 };
|
1705 | * var iterator = function(num, key, done) {
|
1706 | * setTimeout(function() {
|
1707 | * order.push([num, key]);
|
1708 | * done(null, num);
|
1709 | * }, num * 10);
|
1710 | * };
|
1711 | * async.sortBy(object, iterator, function(err, res) {
|
1712 | * console.log(res); // [1, 2, 3]
|
1713 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
|
1714 | * });
|
1715 | *
|
1716 | */
|
1717 | var sortBy = createSortBy(arrayEachValue, baseEachValue, symbolEachValue);
|
1718 |
|
1719 | /**
|
1720 | * @memberof async
|
1721 | * @namespace concat
|
1722 | * @param {Array|Object} collection
|
1723 | * @param {Function} iterator
|
1724 | * @param {Function} callback
|
1725 | * @example
|
1726 | *
|
1727 | * // array
|
1728 | * var order = [];
|
1729 | * var array = [1, 3, 2];
|
1730 | * var iterator = function(num, done) {
|
1731 | * setTimeout(function() {
|
1732 | * order.push(num);
|
1733 | * done(null, [num]);
|
1734 | * }, num * 10);
|
1735 | * };
|
1736 | * async.concat(array, iterator, function(err, res) {
|
1737 | * console.log(res); // [1, 2, 3];
|
1738 | * console.log(order); // [1, 2, 3]
|
1739 | * });
|
1740 | *
|
1741 | * @example
|
1742 | *
|
1743 | * // array with index
|
1744 | * var order = [];
|
1745 | * var array = [1, 3, 2];
|
1746 | * var iterator = function(num, index, done) {
|
1747 | * setTimeout(function() {
|
1748 | * order.push([num, index]);
|
1749 | * done(null, [num]);
|
1750 | * }, num * 10);
|
1751 | * };
|
1752 | * async.concat(array, iterator, function(err, res) {
|
1753 | * console.log(res); // [1, 2, 3]
|
1754 | * console.log(order); // [[1, 0], [2, 2], [3, 1]]
|
1755 | * });
|
1756 | *
|
1757 | * @example
|
1758 | *
|
1759 | * // object
|
1760 | * var order = [];
|
1761 | * var object = { a: 1, b: 3, c: 2 };
|
1762 | * var iterator = function(num, done) {
|
1763 | * setTimeout(function() {
|
1764 | * order.push(num);
|
1765 | * done(null, [num]);
|
1766 | * }, num * 10);
|
1767 | * };
|
1768 | * async.concat(object, iterator, function(err, res) {
|
1769 | * console.log(res); // [1, 2, 3]
|
1770 | * console.log(order); // [1, 2, 3]
|
1771 | * });
|
1772 | *
|
1773 | * @example
|
1774 | *
|
1775 | * // object with key
|
1776 | * var order = [];
|
1777 | * var object = { a: 1, b: 3, c: 2 };
|
1778 | * var iterator = function(num, key, done) {
|
1779 | * setTimeout(function() {
|
1780 | * order.push([num, key]);
|
1781 | * done(null, [num]);
|
1782 | * }, num * 10);
|
1783 | * };
|
1784 | * async.concat(object, iterator, function(err, res) {
|
1785 | * console.log(res); // [1, 2, 3]
|
1786 | * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']]
|
1787 | * });
|
1788 | *
|
1789 | */
|
1790 | var concat = createConcat(arrayEach, baseEach, symbolEach);
|
1791 |
|
1792 | /**
|
1793 | * @memberof async
|
1794 | * @namespace groupBy
|
1795 | * @param {Array|Object} collection
|
1796 | * @param {Function} iterator
|
1797 | * @param {Function} callback
|
1798 | * @example
|
1799 | *
|
1800 | * // array
|
1801 | * var order = [];
|
1802 | * var array = [4.2, 6.4, 6.1];
|
1803 | * var iterator = function(num, done) {
|
1804 | * setTimeout(function() {
|
1805 | * order.push(num);
|
1806 | * done(null, Math.floor(num));
|
1807 | * }, num * 10);
|
1808 | * };
|
1809 | * async.groupBy(array, iterator, function(err, res) {
|
1810 | * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
|
1811 | * console.log(order); // [4.2, 6.1, 6.4]
|
1812 | * });
|
1813 | *
|
1814 | * @example
|
1815 | *
|
1816 | * // array with index
|
1817 | * var order = [];
|
1818 | * var array = [4.2, 6.4, 6.1];
|
1819 | * var iterator = function(num, index, done) {
|
1820 | * setTimeout(function() {
|
1821 | * order.push([num, index]);
|
1822 | * done(null, Math.floor(num));
|
1823 | * }, num * 10);
|
1824 | * };
|
1825 | * async.groupBy(array, iterator, function(err, res) {
|
1826 | * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
|
1827 | * console.log(order); // [[4.2, 0], [6.1, 2], [6.4, 1]]
|
1828 | * });
|
1829 | *
|
1830 | * @example
|
1831 | *
|
1832 | * // object
|
1833 | * var order = [];
|
1834 | * var object = { a: 4.2, b: 6.4, c: 6.1 };
|
1835 | * var iterator = function(num, done) {
|
1836 | * setTimeout(function() {
|
1837 | * order.push(num);
|
1838 | * done(null, Math.floor(num));
|
1839 | * }, num * 10);
|
1840 | * };
|
1841 | * async.groupBy(object, iterator, function(err, res) {
|
1842 | * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
|
1843 | * console.log(order); // [4.2, 6.1, 6.4]
|
1844 | * });
|
1845 | *
|
1846 | * @example
|
1847 | *
|
1848 | * // object with key
|
1849 | * var order = [];
|
1850 | * var object = { a: 4.2, b: 6.4, c: 6.1 };
|
1851 | * var iterator = function(num, key, done) {
|
1852 | * setTimeout(function() {
|
1853 | * order.push([num, key]);
|
1854 | * done(null, Math.floor(num));
|
1855 | * }, num * 10);
|
1856 | * };
|
1857 | * async.groupBy(object, iterator, function(err, res) {
|
1858 | * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] }
|
1859 | * console.log(order); // [[4.2, 'a'], [6.1, 'c'], [6.4, 'b']]
|
1860 | * });
|
1861 | *
|
1862 | */
|
1863 | var groupBy = createGroupBy(arrayEachValue, baseEachValue, symbolEachValue);
|
1864 |
|
1865 | /**
|
1866 | * @memberof async
|
1867 | * @namespace parallel
|
1868 | * @param {Array|Object} tasks - functions
|
1869 | * @param {Function} callback
|
1870 | * @example
|
1871 | *
|
1872 | * var order = [];
|
1873 | * var tasks = [
|
1874 | * function(done) {
|
1875 | * setTimeout(function() {
|
1876 | * order.push(1);
|
1877 | * done(null, 1);
|
1878 | * }, 10);
|
1879 | * },
|
1880 | * function(done) {
|
1881 | * setTimeout(function() {
|
1882 | * order.push(2);
|
1883 | * done(null, 2);
|
1884 | * }, 30);
|
1885 | * },
|
1886 | * function(done) {
|
1887 | * setTimeout(function() {
|
1888 | * order.push(3);
|
1889 | * done(null, 3);
|
1890 | * }, 40);
|
1891 | * },
|
1892 | * function(done) {
|
1893 | * setTimeout(function() {
|
1894 | * order.push(4);
|
1895 | * done(null, 4);
|
1896 | * }, 20);
|
1897 | * }
|
1898 | * ];
|
1899 | * async.parallel(tasks, function(err, res) {
|
1900 | * console.log(res); // [1, 2, 3, 4];
|
1901 | * console.log(order); // [1, 4, 2, 3]
|
1902 | * });
|
1903 | *
|
1904 | * @example
|
1905 | *
|
1906 | * var order = [];
|
1907 | * var tasks = {
|
1908 | * 'a': function(done) {
|
1909 | * setTimeout(function() {
|
1910 | * order.push(1);
|
1911 | * done(null, 1);
|
1912 | * }, 10);
|
1913 | * },
|
1914 | * 'b': function(done) {
|
1915 | * setTimeout(function() {
|
1916 | * order.push(2);
|
1917 | * done(null, 2);
|
1918 | * }, 30);
|
1919 | * },
|
1920 | * 'c': function(done) {
|
1921 | * setTimeout(function() {
|
1922 | * order.push(3);
|
1923 | * done(null, 3);
|
1924 | * }, 40);
|
1925 | * },
|
1926 | * 'd': function(done) {
|
1927 | * setTimeout(function() {
|
1928 | * order.push(4);
|
1929 | * done(null, 4);
|
1930 | * }, 20);
|
1931 | * }
|
1932 | * };
|
1933 | * async.parallel(tasks, function(err, res) {
|
1934 | * console.log(res); // { a: 1, b: 2, c: 3, d:4 }
|
1935 | * console.log(order); // [1, 4, 2, 3]
|
1936 | * });
|
1937 | *
|
1938 | */
|
1939 | var parallel = createParallel(arrayEachFunc, baseEachFunc);
|
1940 |
|
1941 | /**
|
1942 | * @memberof async
|
1943 | * @namespace applyEach
|
1944 | */
|
1945 | var applyEach = createApplyEach(map);
|
1946 |
|
1947 | /**
|
1948 | * @memberof async
|
1949 | * @namespace applyEachSeries
|
1950 | */
|
1951 | var applyEachSeries = createApplyEach(mapSeries);
|
1952 |
|
1953 | /**
|
1954 | * @memberof async
|
1955 | * @namespace log
|
1956 | */
|
1957 | var log = createLogger('log');
|
1958 |
|
1959 | /**
|
1960 | * @memberof async
|
1961 | * @namespace dir
|
1962 | */
|
1963 | var dir = createLogger('dir');
|
1964 |
|
1965 | /**
|
1966 | * @version 2.1.0
|
1967 | * @namespace async
|
1968 | */
|
1969 | var index = {
|
1970 | VERSION: '2.1.0',
|
1971 |
|
1972 | // Collections
|
1973 | each: each,
|
1974 | eachSeries: eachSeries,
|
1975 | eachLimit: eachLimit,
|
1976 | forEach: each,
|
1977 | forEachSeries: eachSeries,
|
1978 | forEachLimit: eachLimit,
|
1979 | eachOf: each,
|
1980 | eachOfSeries: eachSeries,
|
1981 | eachOfLimit: eachLimit,
|
1982 | forEachOf: each,
|
1983 | forEachOfSeries: eachSeries,
|
1984 | forEachOfLimit: eachLimit,
|
1985 | map: map,
|
1986 | mapSeries: mapSeries,
|
1987 | mapLimit: mapLimit,
|
1988 | mapValues: mapValues,
|
1989 | mapValuesSeries: mapValuesSeries,
|
1990 | mapValuesLimit: mapValuesLimit,
|
1991 | filter: filter,
|
1992 | filterSeries: filterSeries,
|
1993 | filterLimit: filterLimit,
|
1994 | select: filter,
|
1995 | selectSeries: filterSeries,
|
1996 | selectLimit: filterLimit,
|
1997 | reject: reject,
|
1998 | rejectSeries: rejectSeries,
|
1999 | rejectLimit: rejectLimit,
|
2000 | detect: detect,
|
2001 | detectSeries: detectSeries,
|
2002 | detectLimit: detectLimit,
|
2003 | find: detect,
|
2004 | findSeries: detectSeries,
|
2005 | findLimit: detectLimit,
|
2006 | pick: pick,
|
2007 | pickSeries: pickSeries,
|
2008 | pickLimit: pickLimit,
|
2009 | omit: omit,
|
2010 | omitSeries: omitSeries,
|
2011 | omitLimit: omitLimit,
|
2012 | reduce: reduce,
|
2013 | inject: reduce,
|
2014 | foldl: reduce,
|
2015 | reduceRight: reduceRight,
|
2016 | foldr: reduceRight,
|
2017 | transform: transform,
|
2018 | transformSeries: transformSeries,
|
2019 | transformLimit: transformLimit,
|
2020 | sortBy: sortBy,
|
2021 | sortBySeries: sortBySeries,
|
2022 | sortByLimit: sortByLimit,
|
2023 | some: some,
|
2024 | someSeries: someSeries,
|
2025 | someLimit: someLimit,
|
2026 | any: some,
|
2027 | anySeries: someSeries,
|
2028 | anyLimit: someLimit,
|
2029 | every: every,
|
2030 | everySeries: everySeries,
|
2031 | everyLimit: everyLimit,
|
2032 | all: every,
|
2033 | allSeries: everySeries,
|
2034 | allLimit: everyLimit,
|
2035 | concat: concat,
|
2036 | concatSeries: concatSeries,
|
2037 | concatLimit: concatLimit,
|
2038 | groupBy: groupBy,
|
2039 | groupBySeries: groupBySeries,
|
2040 | groupByLimit: groupByLimit,
|
2041 |
|
2042 | // Control Flow
|
2043 | parallel: parallel,
|
2044 | series: series,
|
2045 | parallelLimit: parallelLimit,
|
2046 | waterfall: waterfall,
|
2047 | angelFall: angelFall,
|
2048 | angelfall: angelFall,
|
2049 | whilst: whilst,
|
2050 | doWhilst: doWhilst,
|
2051 | until: until,
|
2052 | doUntil: doUntil,
|
2053 | during: during,
|
2054 | doDuring: doDuring,
|
2055 | forever: forever,
|
2056 | compose: compose,
|
2057 | seq: seq,
|
2058 | applyEach: applyEach,
|
2059 | applyEachSeries: applyEachSeries,
|
2060 | queue: queue,
|
2061 | priorityQueue: priorityQueue,
|
2062 | cargo: cargo,
|
2063 | auto: auto,
|
2064 | autoInject: autoInject,
|
2065 | retry: retry,
|
2066 | retryable: retryable,
|
2067 | iterator: iterator,
|
2068 | times: times,
|
2069 | timesSeries: timesSeries,
|
2070 | timesLimit: timesLimit,
|
2071 | race: race,
|
2072 |
|
2073 | // Utils
|
2074 | apply: apply,
|
2075 | nextTick: asyncNextTick,
|
2076 | setImmediate: asyncSetImmediate,
|
2077 | memoize: memoize,
|
2078 | unmemoize: unmemoize,
|
2079 | ensureAsync: ensureAsync,
|
2080 | constant: constant,
|
2081 | asyncify: asyncify,
|
2082 | wrapSync: asyncify,
|
2083 | log: log,
|
2084 | dir: dir,
|
2085 | reflect: reflect,
|
2086 | reflectAll: reflectAll,
|
2087 | timeout: timeout,
|
2088 | createLogger: createLogger,
|
2089 |
|
2090 | // Mode
|
2091 | safe: safe,
|
2092 | fast: fast
|
2093 | };
|
2094 |
|
2095 | exports['default'] = index;
|
2096 | baseEachSync(index, function(func, key) {
|
2097 | exports[key] = func;
|
2098 | }, nativeKeys(index));
|
2099 |
|
2100 | /**
|
2101 | * @private
|
2102 | */
|
2103 | function createImmediate(safeMode) {
|
2104 | var delay = function delay(fn) {
|
2105 | var args = slice(arguments, 1);
|
2106 | setTimeout(function() {
|
2107 | fn.apply(null, args);
|
2108 | });
|
2109 | };
|
2110 | asyncSetImmediate = typeof setImmediate === func ? setImmediate : delay;
|
2111 | if (typeof process === obj && typeof process.nextTick === func) {
|
2112 | nextTick = /^v0.10/.test(process.version) ? asyncSetImmediate : process.nextTick;
|
2113 | asyncNextTick = /^v0/.test(process.version) ? asyncSetImmediate : process.nextTick;
|
2114 | } else {
|
2115 | asyncNextTick = nextTick = asyncSetImmediate;
|
2116 | }
|
2117 | if (safeMode === false) {
|
2118 | nextTick = function(cb) {
|
2119 | cb();
|
2120 | };
|
2121 | }
|
2122 | }
|
2123 |
|
2124 | /* sync functions based on lodash */
|
2125 |
|
2126 | /**
|
2127 | * Converts `arguments` to an array.
|
2128 | *
|
2129 | * @private
|
2130 | * @param {Array} array = The array to slice.
|
2131 | */
|
2132 | function createArray(array) {
|
2133 | var index = -1;
|
2134 | var size = array.length;
|
2135 | var result = Array(size);
|
2136 |
|
2137 | while (++index < size) {
|
2138 | result[index] = array[index];
|
2139 | }
|
2140 | return result;
|
2141 | }
|
2142 |
|
2143 | /**
|
2144 | * Create an array from `start`
|
2145 | *
|
2146 | * @private
|
2147 | * @param {Array} array - The array to slice.
|
2148 | * @param {number} start - The start position.
|
2149 | */
|
2150 | function slice(array, start) {
|
2151 | var end = array.length;
|
2152 | var index = -1;
|
2153 | var size = end - start;
|
2154 | if (size <= 0) {
|
2155 | return [];
|
2156 | }
|
2157 | var result = Array(size);
|
2158 |
|
2159 | while (++index < size) {
|
2160 | result[index] = array[index + start];
|
2161 | }
|
2162 | return result;
|
2163 | }
|
2164 |
|
2165 | /**
|
2166 | * @private
|
2167 | * @param {Object} object
|
2168 | */
|
2169 | function objectClone(object) {
|
2170 | var keys = nativeKeys(object);
|
2171 | var size = keys.length;
|
2172 | var index = -1;
|
2173 | var result = {};
|
2174 |
|
2175 | while (++index < size) {
|
2176 | var key = keys[index];
|
2177 | result[key] = object[key];
|
2178 | }
|
2179 | return result;
|
2180 | }
|
2181 |
|
2182 |
|
2183 | /**
|
2184 | * Create an array with all falsey values removed.
|
2185 | *
|
2186 | * @private
|
2187 | * @param {Array} array - The array to compact.
|
2188 | */
|
2189 | function compact(array) {
|
2190 | var index = -1;
|
2191 | var size = array.length;
|
2192 | var result = [];
|
2193 |
|
2194 | while (++index < size) {
|
2195 | var value = array[index];
|
2196 | if (value) {
|
2197 | result[result.length] = value;
|
2198 | }
|
2199 | }
|
2200 | return result;
|
2201 | }
|
2202 |
|
2203 | /**
|
2204 | * Create an array of reverse sequence.
|
2205 | *
|
2206 | * @private
|
2207 | * @param {Array} array - The array to reverse.
|
2208 | */
|
2209 | function reverse(array) {
|
2210 | var index = -1;
|
2211 | var size = array.length;
|
2212 | var result = Array(size);
|
2213 | var resIndex = size;
|
2214 |
|
2215 | while (++index < size) {
|
2216 | result[--resIndex] = array[index];
|
2217 | }
|
2218 | return result;
|
2219 | }
|
2220 |
|
2221 | /**
|
2222 | * Checks if key exists in object property.
|
2223 | *
|
2224 | * @private
|
2225 | * @param {Object} object - The object to inspect.
|
2226 | * @param {string} key - The key to check.
|
2227 | */
|
2228 | function has(object, key) {
|
2229 | return object.hasOwnProperty(key);
|
2230 | }
|
2231 |
|
2232 | /**
|
2233 | * Check if target exists in array.
|
2234 | * @private
|
2235 | * @param {Array} array
|
2236 | * @param {*} target
|
2237 | */
|
2238 | function notInclude(array, target) {
|
2239 | var index = -1;
|
2240 | var size = array.length;
|
2241 |
|
2242 | while(++index < size) {
|
2243 | if (array[index] === target) {
|
2244 | return false;
|
2245 | }
|
2246 | }
|
2247 | return true;
|
2248 | }
|
2249 |
|
2250 | /**
|
2251 | * @private
|
2252 | * @param {Array} array - The array to iterate over.
|
2253 | * @param {Function} iterator - The function invoked per iteration.
|
2254 | */
|
2255 | function arrayEachSync(array, iterator) {
|
2256 | var index = -1;
|
2257 | var size = array.length;
|
2258 |
|
2259 | while (++index < size) {
|
2260 | iterator(array[index], index);
|
2261 | }
|
2262 | return array;
|
2263 | }
|
2264 |
|
2265 | /**
|
2266 | * @private
|
2267 | * @param {Object} object - The object to iterate over.
|
2268 | * @param {Function} iterator - The function invoked per iteration.
|
2269 | * @param {Array} keys
|
2270 | */
|
2271 | function baseEachSync(object, iterator, keys) {
|
2272 | var index = -1;
|
2273 | var size = keys.length;
|
2274 |
|
2275 | while (++index < size) {
|
2276 | var key = keys[index];
|
2277 | iterator(object[key], key);
|
2278 | }
|
2279 | return object;
|
2280 | }
|
2281 |
|
2282 | /**
|
2283 | * @private
|
2284 | * @param {number} n
|
2285 | * @param {Function} iterator
|
2286 | */
|
2287 | function timesSync(n, iterator) {
|
2288 | var index = -1;
|
2289 | while (++index < n) {
|
2290 | iterator(index);
|
2291 | }
|
2292 | }
|
2293 |
|
2294 | /**
|
2295 | * @private
|
2296 | * @param {Array} array
|
2297 | * @param {string} key
|
2298 | */
|
2299 | function pluck(array, key) {
|
2300 | var index = -1;
|
2301 | var size = array.length;
|
2302 | var result = Array(size);
|
2303 |
|
2304 | while (++index < size) {
|
2305 | var item = array[index] || {};
|
2306 | result[index] = item[key];
|
2307 | }
|
2308 | return result;
|
2309 | }
|
2310 |
|
2311 | /**
|
2312 | * @private
|
2313 | * @param {Object} a
|
2314 | * @param {Object} b
|
2315 | */
|
2316 | function sortIterator(a, b) {
|
2317 | return a.criteria - b.criteria;
|
2318 | }
|
2319 |
|
2320 | /* async functions */
|
2321 |
|
2322 | /**
|
2323 | * @private
|
2324 | */
|
2325 | function arrayEach(array, iterator, callback) {
|
2326 | var index = -1;
|
2327 | var size = array.length;
|
2328 |
|
2329 | if (iterator.length === 3) {
|
2330 | while (++index < size) {
|
2331 | iterator(array[index], index, onlyOnce(callback));
|
2332 | }
|
2333 | } else {
|
2334 | while (++index < size) {
|
2335 | iterator(array[index], onlyOnce(callback));
|
2336 | }
|
2337 | }
|
2338 | }
|
2339 |
|
2340 | /**
|
2341 | * @private
|
2342 | */
|
2343 | function baseEach(object, iterator, callback, keys) {
|
2344 | var key;
|
2345 | var index = -1;
|
2346 | var size = keys.length;
|
2347 |
|
2348 | if (iterator.length === 3) {
|
2349 | while (++index < size) {
|
2350 | key = keys[index];
|
2351 | iterator(object[key], key, onlyOnce(callback));
|
2352 | }
|
2353 | } else {
|
2354 | while (++index < size) {
|
2355 | iterator(object[keys[index]], onlyOnce(callback));
|
2356 | }
|
2357 | }
|
2358 | }
|
2359 |
|
2360 | /**
|
2361 | * @private
|
2362 | */
|
2363 | function symbolEach(collection, iterator, callback) {
|
2364 | var iter = collection[iteratorSymbol]();
|
2365 | var index = -1;
|
2366 | var item;
|
2367 | if (iterator.length === 3) {
|
2368 | while ((item = iter.next()).done === false) {
|
2369 | iterator(item.value, ++index, callback);
|
2370 | }
|
2371 | } else {
|
2372 | while ((item = iter.next()).done === false) {
|
2373 | iterator(item.value, callback);
|
2374 | }
|
2375 | }
|
2376 | }
|
2377 |
|
2378 | /**
|
2379 | * @private
|
2380 | */
|
2381 | function arrayEachResult(array, result, iterator, callback) {
|
2382 | var index = -1;
|
2383 | var size = array.length;
|
2384 |
|
2385 | if (iterator.length === 4) {
|
2386 | while (++index < size) {
|
2387 | iterator(result, array[index], index, onlyOnce(callback));
|
2388 | }
|
2389 | } else {
|
2390 | while (++index < size) {
|
2391 | iterator(result, array[index], onlyOnce(callback));
|
2392 | }
|
2393 | }
|
2394 | }
|
2395 |
|
2396 | /**
|
2397 | * @private
|
2398 | */
|
2399 | function baseEachResult(object, result, iterator, callback, keys) {
|
2400 | var key;
|
2401 | var index = -1;
|
2402 | var size = keys.length;
|
2403 |
|
2404 | if (iterator.length === 4) {
|
2405 | while (++index < size) {
|
2406 | key = keys[index];
|
2407 | iterator(result, object[key], key, onlyOnce(callback));
|
2408 | }
|
2409 | } else {
|
2410 | while (++index < size) {
|
2411 | iterator(result, object[keys[index]], onlyOnce(callback));
|
2412 | }
|
2413 | }
|
2414 | }
|
2415 |
|
2416 | /**
|
2417 | * @private
|
2418 | */
|
2419 | function symbolEachResult(collection, result, iterator, callback) {
|
2420 | var item;
|
2421 | var index = -1;
|
2422 | var iter = collection[iteratorSymbol]();
|
2423 |
|
2424 | if (iterator.length === 4) {
|
2425 | while ((item = iter.next()).done === false) {
|
2426 | iterator(result, item.value, ++index, onlyOnce(callback));
|
2427 | }
|
2428 | } else {
|
2429 | while ((item = iter.next()).done === false) {
|
2430 | iterator(result, item.value, onlyOnce(callback));
|
2431 | }
|
2432 | }
|
2433 | }
|
2434 |
|
2435 | /**
|
2436 | * @private
|
2437 | */
|
2438 | function arrayEachFunc(array, createCallback) {
|
2439 | var index = -1;
|
2440 | var size = array.length;
|
2441 |
|
2442 | while (++index < size) {
|
2443 | array[index](createCallback(index));
|
2444 | }
|
2445 | }
|
2446 |
|
2447 | /**
|
2448 | * @private
|
2449 | */
|
2450 | function baseEachFunc(object, createCallback, keys) {
|
2451 | var key;
|
2452 | var index = -1;
|
2453 | var size = keys.length;
|
2454 |
|
2455 | while (++index < size) {
|
2456 | key = keys[index];
|
2457 | object[key](createCallback(key));
|
2458 | }
|
2459 | }
|
2460 |
|
2461 | /**
|
2462 | * @private
|
2463 | */
|
2464 | function arrayEachIndex(array, iterator, createCallback) {
|
2465 | var index = -1;
|
2466 | var size = array.length;
|
2467 |
|
2468 | if (iterator.length === 3) {
|
2469 | while (++index < size) {
|
2470 | iterator(array[index], index, createCallback(index));
|
2471 | }
|
2472 | } else {
|
2473 | while (++index < size) {
|
2474 | iterator(array[index], createCallback(index));
|
2475 | }
|
2476 | }
|
2477 | }
|
2478 |
|
2479 | /**
|
2480 | * @private
|
2481 | */
|
2482 | function baseEachIndex(object, iterator, createCallback, keys) {
|
2483 | var key;
|
2484 | var index = -1;
|
2485 | var size = keys.length;
|
2486 |
|
2487 | if (iterator.length === 3) {
|
2488 | while (++index < size) {
|
2489 | key = keys[index];
|
2490 | iterator(object[key], key, createCallback(index));
|
2491 | }
|
2492 | } else {
|
2493 | while (++index < size) {
|
2494 | iterator(object[keys[index]], createCallback(index));
|
2495 | }
|
2496 | }
|
2497 | }
|
2498 |
|
2499 | /**
|
2500 | * @private
|
2501 | */
|
2502 | function symbolEachIndex(collection, iterator, createCallback) {
|
2503 | var values;
|
2504 | var index = -1;
|
2505 | var size = collection.size;
|
2506 | var iter = collection[iteratorSymbol]();
|
2507 |
|
2508 | if (iterator.length === 3) {
|
2509 | while (++index < size) {
|
2510 | values = iter.next().value;
|
2511 | iterator(values, index, createCallback(index));
|
2512 | }
|
2513 | } else {
|
2514 | while (++index < size) {
|
2515 | iterator(iter.next().value, createCallback(index));
|
2516 | }
|
2517 | }
|
2518 | }
|
2519 |
|
2520 | /**
|
2521 | * @private
|
2522 | */
|
2523 | function baseEachKey(object, iterator, createCallback, keys) {
|
2524 | var key;
|
2525 | var index = -1;
|
2526 | var size = keys.length;
|
2527 |
|
2528 | if (iterator.length === 3) {
|
2529 | while (++index < size) {
|
2530 | key = keys[index];
|
2531 | iterator(object[key], key, createCallback(key));
|
2532 | }
|
2533 | } else {
|
2534 | while (++index < size) {
|
2535 | key = keys[index];
|
2536 | iterator(object[key], createCallback(key));
|
2537 | }
|
2538 | }
|
2539 | }
|
2540 |
|
2541 | /**
|
2542 | * @private
|
2543 | */
|
2544 | function symbolEachKey(collection, iterator, createCallback) {
|
2545 | var item;
|
2546 | var index = -1;
|
2547 | var iter = collection[iteratorSymbol]();
|
2548 |
|
2549 | if (iterator.length === 3) {
|
2550 | while ((item = iter.next()).done === false) {
|
2551 | iterator(item.value, ++index, createCallback(index));
|
2552 | }
|
2553 | } else {
|
2554 | while ((item = iter.next()).done === false) {
|
2555 | iterator(item.value, createCallback(++index));
|
2556 | }
|
2557 | }
|
2558 | }
|
2559 |
|
2560 | /**
|
2561 | * @private
|
2562 | */
|
2563 | function arrayEachValue(array, iterator, createCallback) {
|
2564 | var value;
|
2565 | var index = -1;
|
2566 | var size = array.length;
|
2567 |
|
2568 | if (iterator.length === 3) {
|
2569 | while (++index < size) {
|
2570 | value = array[index];
|
2571 | iterator(value, index, createCallback(value));
|
2572 | }
|
2573 | } else {
|
2574 | while (++index < size) {
|
2575 | value = array[index];
|
2576 | iterator(value, createCallback(value));
|
2577 | }
|
2578 | }
|
2579 | }
|
2580 |
|
2581 | /**
|
2582 | * @private
|
2583 | */
|
2584 | function baseEachValue(object, iterator, createCallback, keys) {
|
2585 | var key, value;
|
2586 | var index = -1;
|
2587 | var size = keys.length;
|
2588 |
|
2589 | if (iterator.length === 3) {
|
2590 | while (++index < size) {
|
2591 | key = keys[index];
|
2592 | value = object[key];
|
2593 | iterator(value, key, createCallback(value));
|
2594 | }
|
2595 | } else {
|
2596 | while (++index < size) {
|
2597 | value = object[keys[index]];
|
2598 | iterator(value, createCallback(value));
|
2599 | }
|
2600 | }
|
2601 | }
|
2602 |
|
2603 | /**
|
2604 | * @private
|
2605 | */
|
2606 | function symbolEachValue(collection, iterator, createCallback) {
|
2607 | var value, item;
|
2608 | var index = -1;
|
2609 | var iter = collection[iteratorSymbol]();
|
2610 |
|
2611 | if (iterator.length === 3) {
|
2612 | while ((item = iter.next()).done === false) {
|
2613 | value = item.value;
|
2614 | iterator(value, ++index, createCallback(value));
|
2615 | }
|
2616 | } else {
|
2617 | while ((item = iter.next()).done === false) {
|
2618 | value = item.value;
|
2619 | iterator(value, createCallback(value));
|
2620 | }
|
2621 | }
|
2622 | }
|
2623 |
|
2624 | /**
|
2625 | * @private
|
2626 | */
|
2627 | function arrayEachIndexValue(array, iterator, createCallback) {
|
2628 | var value;
|
2629 | var index = -1;
|
2630 | var size = array.length;
|
2631 |
|
2632 | if (iterator.length === 3) {
|
2633 | while (++index < size) {
|
2634 | value = array[index];
|
2635 | iterator(value, index, createCallback(index, value));
|
2636 | }
|
2637 | } else {
|
2638 | while (++index < size) {
|
2639 | value = array[index];
|
2640 | iterator(value, createCallback(index, value));
|
2641 | }
|
2642 | }
|
2643 | }
|
2644 |
|
2645 | /**
|
2646 | * @private
|
2647 | */
|
2648 | function baseEachIndexValue(object, iterator, createCallback, keys) {
|
2649 | var key, value;
|
2650 | var index = -1;
|
2651 | var size = keys.length;
|
2652 |
|
2653 | if (iterator.length === 3) {
|
2654 | while (++index < size) {
|
2655 | key = keys[index];
|
2656 | value = object[key];
|
2657 | iterator(value, key, createCallback(index, value));
|
2658 | }
|
2659 | } else {
|
2660 | while (++index < size) {
|
2661 | value = object[keys[index]];
|
2662 | iterator(value, createCallback(index, value));
|
2663 | }
|
2664 | }
|
2665 | }
|
2666 |
|
2667 | /**
|
2668 | * @private
|
2669 | */
|
2670 | function symbolEachIndexValue(collection, iterator, createCallback) {
|
2671 | var value, item;
|
2672 | var index = -1;
|
2673 | var iter = collection[iteratorSymbol]();
|
2674 |
|
2675 | if (iterator.length === 3) {
|
2676 | while ((item = iter.next()).done === false) {
|
2677 | value = item.value;
|
2678 | iterator(value, ++index, createCallback(index, value));
|
2679 | }
|
2680 | } else {
|
2681 | while ((item = iter.next()).done === false) {
|
2682 | value = item.value;
|
2683 | iterator(value, createCallback(++index, value));
|
2684 | }
|
2685 | }
|
2686 | }
|
2687 |
|
2688 | /**
|
2689 | * @private
|
2690 | */
|
2691 | function baseEachKeyValue(object, iterator, createCallback, keys) {
|
2692 | var key, value;
|
2693 | var index = -1;
|
2694 | var size = keys.length;
|
2695 |
|
2696 | if (iterator.length === 3) {
|
2697 | while (++index < size) {
|
2698 | key = keys[index];
|
2699 | value = object[key];
|
2700 | iterator(value, key, createCallback(key, value));
|
2701 | }
|
2702 | } else {
|
2703 | while (++index < size) {
|
2704 | key = keys[index];
|
2705 | value = object[key];
|
2706 | iterator(value, createCallback(key, value));
|
2707 | }
|
2708 | }
|
2709 | }
|
2710 |
|
2711 | /**
|
2712 | * @private
|
2713 | */
|
2714 | function symbolEachKeyValue(collection, iterator, createCallback) {
|
2715 | var value, item;
|
2716 | var index = -1;
|
2717 | var iter = collection[iteratorSymbol]();
|
2718 |
|
2719 | if (iterator.length === 3) {
|
2720 | while ((item = iter.next()).done === false) {
|
2721 | value = item.value;
|
2722 | iterator(value, ++index, createCallback(index, value));
|
2723 | }
|
2724 | } else {
|
2725 | while ((item = iter.next()).done === false) {
|
2726 | value = item.value;
|
2727 | iterator(value, createCallback(++index, value));
|
2728 | }
|
2729 | }
|
2730 | }
|
2731 |
|
2732 | /**
|
2733 | * @private
|
2734 | * @param {Function} func
|
2735 | */
|
2736 | function onlyOnce(func) {
|
2737 | return function(err, res) {
|
2738 | var fn = func;
|
2739 | func = throwError;
|
2740 | fn(err, res);
|
2741 | };
|
2742 | }
|
2743 |
|
2744 | /**
|
2745 | * @private
|
2746 | * @param {Function} func
|
2747 | */
|
2748 | function once(func) {
|
2749 | return function(err, res) {
|
2750 | var fn = func;
|
2751 | func = noop;
|
2752 | fn(err, res);
|
2753 | };
|
2754 | }
|
2755 |
|
2756 |
|
2757 | /**
|
2758 | * @private
|
2759 | * @param {Function} arrayEach
|
2760 | * @param {Function} baseEach
|
2761 | */
|
2762 | function createEach(arrayEach, baseEach, symbolEach) {
|
2763 |
|
2764 | return function each(collection, iterator, callback) {
|
2765 | callback = callback || noop;
|
2766 | var size, keys;
|
2767 | var completed = 0;
|
2768 | if (isArray(collection)) {
|
2769 | size = collection.length;
|
2770 | arrayEach(collection, iterator, done);
|
2771 | } else if (!collection) {
|
2772 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
2773 | size = collection.size;
|
2774 | symbolEach(collection, iterator, done);
|
2775 | } else if (typeof collection === obj) {
|
2776 | keys = nativeKeys(collection);
|
2777 | size = keys.length;
|
2778 | baseEach(collection, iterator, done, keys);
|
2779 | }
|
2780 | if (!size) {
|
2781 | callback(null);
|
2782 | }
|
2783 |
|
2784 | function done(err, bool) {
|
2785 | if (err) {
|
2786 | callback = once(callback);
|
2787 | callback(err);
|
2788 | } else if (++completed === size) {
|
2789 | callback(null);
|
2790 | } else if (bool === false) {
|
2791 | callback = once(callback);
|
2792 | callback(null);
|
2793 | }
|
2794 | }
|
2795 | };
|
2796 | }
|
2797 |
|
2798 | /**
|
2799 | * @private
|
2800 | * @param {Function} arrayEach
|
2801 | * @param {Function} baseEach
|
2802 | * @param {Function} symbolEach
|
2803 | */
|
2804 | function createMap(arrayEach, baseEach, symbolEach, useArray) {
|
2805 |
|
2806 | var init, clone;
|
2807 | if (useArray) {
|
2808 | init = Array;
|
2809 | clone = createArray;
|
2810 | } else {
|
2811 | init = function() {
|
2812 | return {};
|
2813 | };
|
2814 | clone = objectClone;
|
2815 | }
|
2816 |
|
2817 | return function(collection, iterator, callback) {
|
2818 | callback = callback || noop;
|
2819 | var size, keys, result;
|
2820 | var completed = 0;
|
2821 |
|
2822 | if (isArray(collection)) {
|
2823 | size = collection.length;
|
2824 | result = init(size);
|
2825 | arrayEach(collection, iterator, createCallback);
|
2826 | } else if (!collection) {
|
2827 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
2828 | size = collection.size;
|
2829 | result = init(size);
|
2830 | symbolEach(collection, iterator, createCallback);
|
2831 | } else if (typeof collection === obj) {
|
2832 | keys = nativeKeys(collection);
|
2833 | size = keys.length;
|
2834 | result = init(size);
|
2835 | baseEach(collection, iterator, createCallback, keys);
|
2836 | }
|
2837 | if (!size) {
|
2838 | callback(null, init());
|
2839 | }
|
2840 |
|
2841 | function createCallback(key) {
|
2842 | return function done(err, res) {
|
2843 | if (key === null) {
|
2844 | throwError();
|
2845 | }
|
2846 | if (err) {
|
2847 | key = null;
|
2848 | callback = once(callback);
|
2849 | callback(err, clone(result));
|
2850 | return;
|
2851 | }
|
2852 | result[key] = res;
|
2853 | key = null;
|
2854 | if (++completed === size) {
|
2855 | callback(null, result);
|
2856 | }
|
2857 | };
|
2858 | }
|
2859 | };
|
2860 | }
|
2861 |
|
2862 | /**
|
2863 | * @private
|
2864 | * @param {Function} arrayEach
|
2865 | * @param {Function} baseEach
|
2866 | * @param {Function} symbolEach
|
2867 | * @param {boolean} bool
|
2868 | */
|
2869 | function createFilter(arrayEach, baseEach, symbolEach, bool) {
|
2870 |
|
2871 | return function(collection, iterator, callback) {
|
2872 | callback = callback || noop;
|
2873 | var size, keys, result;
|
2874 | var completed = 0;
|
2875 |
|
2876 | if (isArray(collection)) {
|
2877 | size = collection.length;
|
2878 | result = Array(size);
|
2879 | arrayEach(collection, iterator, createCallback);
|
2880 | } else if (!collection) {
|
2881 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
2882 | size = collection.size;
|
2883 | result = Array(size);
|
2884 | symbolEach(collection, iterator, createCallback);
|
2885 | } else if (typeof collection === obj) {
|
2886 | keys = nativeKeys(collection);
|
2887 | size = keys.length;
|
2888 | result = Array(size);
|
2889 | baseEach(collection, iterator, createCallback, keys);
|
2890 | }
|
2891 | if (!size) {
|
2892 | return callback(null, []);
|
2893 | }
|
2894 |
|
2895 | function createCallback(index, value) {
|
2896 | return function done(err, res) {
|
2897 | if (index === null) {
|
2898 | throwError();
|
2899 | }
|
2900 | if (err) {
|
2901 | index = null;
|
2902 | callback = once(callback);
|
2903 | callback(err);
|
2904 | return;
|
2905 | }
|
2906 | if (!!res === bool) {
|
2907 | result[index] = value;
|
2908 | }
|
2909 | index = null;
|
2910 | if (++completed === size) {
|
2911 | callback(null, compact(result));
|
2912 | }
|
2913 | };
|
2914 | }
|
2915 | };
|
2916 | }
|
2917 |
|
2918 | /**
|
2919 | * @private
|
2920 | * @param {boolean} bool
|
2921 | */
|
2922 | function createFilterSeries(bool) {
|
2923 |
|
2924 | return function(collection, iterator, callback) {
|
2925 | callback = onlyOnce(callback || noop);
|
2926 | var size, key, value, keys, iter, iterate;
|
2927 | var sync = false;
|
2928 | var completed = 0;
|
2929 | var result = [];
|
2930 |
|
2931 | if (isArray(collection)) {
|
2932 | size = collection.length;
|
2933 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
2934 | } else if (!collection) {
|
2935 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
2936 | size = collection.size;
|
2937 | iter = collection[iteratorSymbol]();
|
2938 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
2939 | } else if (typeof collection === obj) {
|
2940 | keys = nativeKeys(collection);
|
2941 | size = keys.length;
|
2942 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
2943 | }
|
2944 | if (!size) {
|
2945 | return callback(null, []);
|
2946 | }
|
2947 | iterate();
|
2948 |
|
2949 | function arrayIterator() {
|
2950 | value = collection[completed];
|
2951 | iterator(value, done);
|
2952 | }
|
2953 |
|
2954 | function arrayIteratorWithIndex() {
|
2955 | value = collection[completed];
|
2956 | iterator(value, completed, done);
|
2957 | }
|
2958 |
|
2959 | function symbolIterator() {
|
2960 | value = iter.next().value;
|
2961 | iterator(value, done);
|
2962 | }
|
2963 |
|
2964 | function symbolIteratorWithKey() {
|
2965 | value = iter.next().value;
|
2966 | iterator(value, completed, done);
|
2967 | }
|
2968 |
|
2969 | function objectIterator() {
|
2970 | key = keys[completed];
|
2971 | value = collection[key];
|
2972 | iterator(value, done);
|
2973 | }
|
2974 |
|
2975 | function objectIteratorWithKey() {
|
2976 | key = keys[completed];
|
2977 | value = collection[key];
|
2978 | iterator(value, key, done);
|
2979 | }
|
2980 |
|
2981 | function done(err, res) {
|
2982 | if (err) {
|
2983 | callback(err);
|
2984 | return;
|
2985 | }
|
2986 | if (!!res === bool) {
|
2987 | result[result.length] = value;
|
2988 | }
|
2989 | if (++completed === size) {
|
2990 | iterate = throwError;
|
2991 | callback(null, result);
|
2992 | } else if (sync) {
|
2993 | nextTick(iterate);
|
2994 | } else {
|
2995 | sync = true;
|
2996 | iterate();
|
2997 | }
|
2998 | sync = false;
|
2999 | }
|
3000 | };
|
3001 | }
|
3002 |
|
3003 | /**
|
3004 | * @private
|
3005 | * @param {boolean} bool
|
3006 | */
|
3007 | function createFilterLimit(bool) {
|
3008 |
|
3009 | return function(collection, limit, iterator, callback) {
|
3010 | callback = callback || noop;
|
3011 | var size, index, key, value, keys, iter, item, iterate, result;
|
3012 | var sync = false;
|
3013 | var started = 0;
|
3014 | var completed = 0;
|
3015 |
|
3016 | if (isArray(collection)) {
|
3017 | size = collection.length;
|
3018 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3019 | } else if (!collection) {
|
3020 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3021 | size = collection.size;
|
3022 | iter = collection[iteratorSymbol]();
|
3023 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3024 | } else if (typeof collection === obj) {
|
3025 | keys = nativeKeys(collection);
|
3026 | size = keys.length;
|
3027 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3028 | }
|
3029 | if (!size || isNaN(limit) || limit < 1) {
|
3030 | return callback(null, []);
|
3031 | }
|
3032 | result = Array(size);
|
3033 | timesSync(limit > size ? size : limit, iterate);
|
3034 |
|
3035 | function arrayIterator() {
|
3036 | index = started++;
|
3037 | if (index < size) {
|
3038 | value = collection[index];
|
3039 | iterator(value, createCallback(value, index));
|
3040 | }
|
3041 | }
|
3042 |
|
3043 | function arrayIteratorWithIndex() {
|
3044 | index = started++;
|
3045 | if (index < size) {
|
3046 | value = collection[index];
|
3047 | iterator(value, index, createCallback(value, index));
|
3048 | }
|
3049 | }
|
3050 |
|
3051 | function symbolIterator() {
|
3052 | if ((item = iter.next()).done === false) {
|
3053 | value = item.value;
|
3054 | iterator(value, createCallback(value, started++));
|
3055 | }
|
3056 | }
|
3057 |
|
3058 | function symbolIteratorWithKey() {
|
3059 | if ((item = iter.next()).done === false) {
|
3060 | value = item.value;
|
3061 | iterator(value, started, createCallback(value, started++));
|
3062 | }
|
3063 | }
|
3064 |
|
3065 | function objectIterator() {
|
3066 | index = started++;
|
3067 | if (index < size) {
|
3068 | value = collection[keys[index]];
|
3069 | iterator(value, createCallback(value, index));
|
3070 | }
|
3071 | }
|
3072 |
|
3073 | function objectIteratorWithKey() {
|
3074 | index = started++;
|
3075 | if (index < size) {
|
3076 | key = keys[index];
|
3077 | value = collection[key];
|
3078 | iterator(value, key, createCallback(value, index));
|
3079 | }
|
3080 | }
|
3081 |
|
3082 | function createCallback(value, index) {
|
3083 | return function(err, res) {
|
3084 | if (index === null) {
|
3085 | throwError();
|
3086 | }
|
3087 | if (err) {
|
3088 | index = null;
|
3089 | iterate = noop;
|
3090 | callback = once(callback);
|
3091 | callback(err);
|
3092 | return;
|
3093 | }
|
3094 | if (!!res === bool) {
|
3095 | result[index] = value;
|
3096 | }
|
3097 | index = null;
|
3098 | if (++completed === size) {
|
3099 | callback = onlyOnce(callback);
|
3100 | callback(null, compact(result));
|
3101 | } else if (sync) {
|
3102 | nextTick(iterate);
|
3103 | } else {
|
3104 | sync = true;
|
3105 | iterate();
|
3106 | }
|
3107 | sync = false;
|
3108 | };
|
3109 | }
|
3110 | };
|
3111 | }
|
3112 |
|
3113 | /**
|
3114 | * @memberof async
|
3115 | * @namespace eachSeries
|
3116 | * @param {Array|Object} collection
|
3117 | * @param {Function} iterator
|
3118 | * @param {Function} callback
|
3119 | * @example
|
3120 | *
|
3121 | * // array
|
3122 | * var order = [];
|
3123 | * var array = [1, 3, 2];
|
3124 | * var iterator = function(num, done) {
|
3125 | * setTimeout(function() {
|
3126 | * order.push(num);
|
3127 | * done();
|
3128 | * }, num * 10);
|
3129 | * };
|
3130 | * async.eachSeries(array, iterator, function(err, res) {
|
3131 | * console.log(res); // undefined
|
3132 | * console.log(order); // [1, 3, 2]
|
3133 | * });
|
3134 | *
|
3135 | * @example
|
3136 | *
|
3137 | * // array with index
|
3138 | * var order = [];
|
3139 | * var array = [1, 3, 2];
|
3140 | * var iterator = function(num, index, done) {
|
3141 | * setTimeout(function() {
|
3142 | * order.push([num, index]);
|
3143 | * done();
|
3144 | * }, num * 10);
|
3145 | * };
|
3146 | * async.eachSeries(array, iterator, function(err, res) {
|
3147 | * console.log(res); // undefined
|
3148 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
|
3149 | * });
|
3150 | *
|
3151 | * @example
|
3152 | *
|
3153 | * // object
|
3154 | * var order = [];
|
3155 | * var object = { a: 1, b: 3, c: 2 };
|
3156 | * var iterator = function(num, done) {
|
3157 | * setTimeout(function() {
|
3158 | * order.push(num);
|
3159 | * done();
|
3160 | * }, num * 10);
|
3161 | * };
|
3162 | * async.eachSeries(object, iterator, function(err, res) {
|
3163 | * console.log(res); // undefined
|
3164 | * console.log(order); // [1, 3, 2]
|
3165 | * });
|
3166 | *
|
3167 | * @example
|
3168 | *
|
3169 | * // object with key
|
3170 | * var order = [];
|
3171 | * var object = { a: 1, b: 3, c: 2 };
|
3172 | * var iterator = function(num, key, done) {
|
3173 | * setTimeout(function() {
|
3174 | * order.push([num, key]);
|
3175 | * done();
|
3176 | * }, num * 10);
|
3177 | * };
|
3178 | * async.eachSeries(object, iterator, function(err, res) {
|
3179 | * console.log(res); // undefined
|
3180 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b']]
|
3181 | * });
|
3182 | *
|
3183 | * @example
|
3184 | *
|
3185 | * // break
|
3186 | * var order = [];
|
3187 | * var array = [1, 3, 2];
|
3188 | * var iterator = function(num, done) {
|
3189 | * setTimeout(function() {
|
3190 | * order.push(num);
|
3191 | * done(null, num !== 3);
|
3192 | * }, num * 10);
|
3193 | * };
|
3194 | * async.eachSeries(array, iterator, function(err, res) {
|
3195 | * console.log(res); // undefined
|
3196 | * console.log(order); // [1, 3]
|
3197 | * });
|
3198 | */
|
3199 | function eachSeries(collection, iterator, callback) {
|
3200 | callback = onlyOnce(callback || noop);
|
3201 | var size, key, keys, iter, value, iterate;
|
3202 | var sync = false;
|
3203 | var completed = 0;
|
3204 |
|
3205 | if (isArray(collection)) {
|
3206 | size = collection.length;
|
3207 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3208 | } else if (!collection) {
|
3209 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3210 | size = collection.size;
|
3211 | iter = collection[iteratorSymbol]();
|
3212 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3213 | } else if (typeof collection === obj) {
|
3214 | keys = nativeKeys(collection);
|
3215 | size = keys.length;
|
3216 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3217 | }
|
3218 | if (!size) {
|
3219 | return callback(null);
|
3220 | }
|
3221 | iterate();
|
3222 |
|
3223 | function arrayIterator() {
|
3224 | iterator(collection[completed], done);
|
3225 | }
|
3226 |
|
3227 | function arrayIteratorWithIndex() {
|
3228 | iterator(collection[completed], completed, done);
|
3229 | }
|
3230 |
|
3231 | function symbolIterator() {
|
3232 | iterator(iter.next().value, done);
|
3233 | }
|
3234 |
|
3235 | function symbolIteratorWithKey() {
|
3236 | value = iter.next().value;
|
3237 | iterator(value, completed, done);
|
3238 | }
|
3239 |
|
3240 | function objectIterator() {
|
3241 | iterator(collection[keys[completed]], done);
|
3242 | }
|
3243 |
|
3244 | function objectIteratorWithKey() {
|
3245 | key = keys[completed];
|
3246 | iterator(collection[key], key, done);
|
3247 | }
|
3248 |
|
3249 | function done(err, bool) {
|
3250 | if (err) {
|
3251 | callback(err);
|
3252 | } else if (++completed === size) {
|
3253 | iterate = throwError;
|
3254 | callback(null);
|
3255 | } else if (bool === false) {
|
3256 | iterate = throwError;
|
3257 | callback(null);
|
3258 | } else if (sync) {
|
3259 | nextTick(iterate);
|
3260 | } else {
|
3261 | sync = true;
|
3262 | iterate();
|
3263 | }
|
3264 | sync = false;
|
3265 | }
|
3266 | }
|
3267 |
|
3268 | /**
|
3269 | * @memberof async
|
3270 | * @namespace eachLimit
|
3271 | * @param {Array|Object} collection
|
3272 | * @param {number} limit - limit >= 1
|
3273 | * @param {Function} iterator
|
3274 | * @param {Function} callback
|
3275 | * @example
|
3276 | *
|
3277 | * // array
|
3278 | * var order = [];
|
3279 | * var array = [1, 5, 3, 4, 2];
|
3280 | * var iterator = function(num, done) {
|
3281 | * setTimeout(function() {
|
3282 | * order.push(num);
|
3283 | * done();
|
3284 | * }, num * 10);
|
3285 | * };
|
3286 | * async.eachLimit(array, 2, iterator, function(err, res) {
|
3287 | * console.log(res); // undefined
|
3288 | * console.log(order); // [1, 3, 5, 2, 4]
|
3289 | * });
|
3290 | *
|
3291 | * @example
|
3292 | *
|
3293 | * // array with index
|
3294 | * var order = [];
|
3295 | * var array = [1, 5, 3, 4, 2];
|
3296 | * var iterator = function(num, index, done) {
|
3297 | * setTimeout(function() {
|
3298 | * order.push([num, index]);
|
3299 | * done();
|
3300 | * }, num * 10);
|
3301 | * };
|
3302 | * async.eachLimit(array, 2, iterator, function(err, res) {
|
3303 | * console.log(res); // undefined
|
3304 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
3305 | * });
|
3306 | *
|
3307 | * @example
|
3308 | *
|
3309 | * // object
|
3310 | * var order = [];
|
3311 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
3312 | * var iterator = function(num, done) {
|
3313 | * setTimeout(function() {
|
3314 | * order.push(num);
|
3315 | * done();
|
3316 | * }, num * 10);
|
3317 | * };
|
3318 | * async.eachLimit(object, 2, iterator, function(err, res) {
|
3319 | * console.log(res); // undefined
|
3320 | * console.log(order); // [1, 3, 5, 2, 4]
|
3321 | * });
|
3322 | *
|
3323 | * @example
|
3324 | *
|
3325 | * // object with key
|
3326 | * var order = [];
|
3327 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
3328 | * var iterator = function(num, key, done) {
|
3329 | * setTimeout(function() {
|
3330 | * order.push([num, key]);
|
3331 | * done();
|
3332 | * }, num * 10);
|
3333 | * };
|
3334 | * async.eachLimit(object, 2, iterator, function(err, res) {
|
3335 | * console.log(res); // undefined
|
3336 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
3337 | * });
|
3338 | *
|
3339 | * @example
|
3340 | *
|
3341 | * // break
|
3342 | * var order = [];
|
3343 | * var array = [1, 5, 3, 4, 2];
|
3344 | * var iterator = function(num, done) {
|
3345 | * setTimeout(function() {
|
3346 | * order.push(num);
|
3347 | * done(null, num !== 5);
|
3348 | * }, num * 10);
|
3349 | * };
|
3350 | * async.eachLimit(array, 2, iterator, function(err, res) {
|
3351 | * console.log(res); // undefined
|
3352 | * console.log(order); // [1, 3, 5]
|
3353 | * });
|
3354 | *
|
3355 | */
|
3356 | function eachLimit(collection, limit, iterator, callback) {
|
3357 | callback = callback || noop;
|
3358 | var size, index, key, keys, iter, item, iterate;
|
3359 | var sync = false;
|
3360 | var started = 0;
|
3361 | var completed = 0;
|
3362 |
|
3363 | if (isArray(collection)) {
|
3364 | size = collection.length;
|
3365 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3366 | } else if (!collection) {
|
3367 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3368 | size = collection.size;
|
3369 | iter = collection[iteratorSymbol]();
|
3370 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3371 | } else if (typeof collection === obj) {
|
3372 | keys = nativeKeys(collection);
|
3373 | size = keys.length;
|
3374 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3375 | } else {
|
3376 | return callback(null);
|
3377 | }
|
3378 | if (!size || isNaN(limit) || limit < 1) {
|
3379 | return callback(null);
|
3380 | }
|
3381 | timesSync(limit > size ? size : limit, iterate);
|
3382 |
|
3383 | function arrayIterator() {
|
3384 | if (started < size) {
|
3385 | iterator(collection[started++], done);
|
3386 | }
|
3387 | }
|
3388 |
|
3389 | function arrayIteratorWithIndex() {
|
3390 | index = started++;
|
3391 | if (index < size) {
|
3392 | iterator(collection[index], index, done);
|
3393 | }
|
3394 | }
|
3395 |
|
3396 | function symbolIterator() {
|
3397 | if ((item = iter.next()).done === false) {
|
3398 | iterator(item.value, done);
|
3399 | }
|
3400 | }
|
3401 |
|
3402 | function symbolIteratorWithKey() {
|
3403 | if ((item = iter.next()).done === false) {
|
3404 | iterator(item.value, started++, done);
|
3405 | }
|
3406 | }
|
3407 |
|
3408 | function objectIterator() {
|
3409 | if (started < size) {
|
3410 | iterator(collection[keys[started++]], done);
|
3411 | }
|
3412 | }
|
3413 |
|
3414 | function objectIteratorWithKey() {
|
3415 | index = started++;
|
3416 | if (index < size) {
|
3417 | key = keys[index];
|
3418 | iterator(collection[key], key, done);
|
3419 | }
|
3420 | }
|
3421 |
|
3422 | function done(err, bool) {
|
3423 | if (err) {
|
3424 | iterate = noop;
|
3425 | callback = once(callback);
|
3426 | callback(err);
|
3427 | } else if (++completed === size) {
|
3428 | iterate = throwError;
|
3429 | callback = onlyOnce(callback);
|
3430 | callback(null);
|
3431 | } else if (bool === false) {
|
3432 | iterate = noop;
|
3433 | callback = once(callback);
|
3434 | callback(null);
|
3435 | } else if (sync) {
|
3436 | nextTick(iterate);
|
3437 | } else {
|
3438 | sync = true;
|
3439 | iterate();
|
3440 | }
|
3441 | sync = false;
|
3442 | }
|
3443 | }
|
3444 |
|
3445 | /**
|
3446 | * @memberof async
|
3447 | * @namespace mapSeries
|
3448 | * @param {Array|Object} collection
|
3449 | * @param {Function} iterator
|
3450 | * @param {Function} callback
|
3451 | * @example
|
3452 | *
|
3453 | * // array
|
3454 | * var order = [];
|
3455 | * var array = [1, 3, 2];
|
3456 | * var iterator = function(num, done) {
|
3457 | * setTimeout(function() {
|
3458 | * order.push(num);
|
3459 | * done(null, num);
|
3460 | * }, num * 10);
|
3461 | * };
|
3462 | * async.mapSeries(array, iterator, function(err, res) {
|
3463 | * console.log(res); // [1, 3, 2];
|
3464 | * console.log(order); // [1, 3, 2]
|
3465 | * });
|
3466 | *
|
3467 | * @example
|
3468 | *
|
3469 | * // array with index
|
3470 | * var order = [];
|
3471 | * var array = [1, 3, 2];
|
3472 | * var iterator = function(num, index, done) {
|
3473 | * setTimeout(function() {
|
3474 | * order.push([num, index]);
|
3475 | * done(null, num);
|
3476 | * }, num * 10);
|
3477 | * };
|
3478 | * async.mapSeries(array, iterator, function(err, res) {
|
3479 | * console.log(res); // [1, 3, 2]
|
3480 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
|
3481 | * });
|
3482 | *
|
3483 | * @example
|
3484 | *
|
3485 | * // object
|
3486 | * var order = [];
|
3487 | * var object = { a: 1, b: 3, c: 2 };
|
3488 | * var iterator = function(num, done) {
|
3489 | * setTimeout(function() {
|
3490 | * order.push(num);
|
3491 | * done(null, num);
|
3492 | * }, num * 10);
|
3493 | * };
|
3494 | * async.mapSeries(object, iterator, function(err, res) {
|
3495 | * console.log(res); // [1, 3, 2]
|
3496 | * console.log(order); // [1, 3, 2]
|
3497 | * });
|
3498 | *
|
3499 | * @example
|
3500 | *
|
3501 | * // object with key
|
3502 | * var order = [];
|
3503 | * var object = { a: 1, b: 3, c: 2 };
|
3504 | * var iterator = function(num, key, done) {
|
3505 | * setTimeout(function() {
|
3506 | * order.push([num, key]);
|
3507 | * done(null, num);
|
3508 | * }, num * 10);
|
3509 | * };
|
3510 | * async.mapSeries(object, iterator, function(err, res) {
|
3511 | * console.log(res); // [1, 3, 2]
|
3512 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
|
3513 | * });
|
3514 | *
|
3515 | */
|
3516 | function mapSeries(collection, iterator, callback) {
|
3517 | callback = callback || noop;
|
3518 | var size, key, keys, iter, value, result, iterate;
|
3519 | var sync = false;
|
3520 | var completed = 0;
|
3521 |
|
3522 | if (isArray(collection)) {
|
3523 | size = collection.length;
|
3524 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3525 | } else if (!collection) {
|
3526 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3527 | size = collection.size;
|
3528 | iter = collection[iteratorSymbol]();
|
3529 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3530 | } else if (typeof collection === obj) {
|
3531 | keys = nativeKeys(collection);
|
3532 | size = keys.length;
|
3533 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3534 | }
|
3535 | if (!size) {
|
3536 | return callback(null, []);
|
3537 | }
|
3538 | result = Array(size);
|
3539 | iterate();
|
3540 |
|
3541 | function arrayIterator() {
|
3542 | iterator(collection[completed], done);
|
3543 | }
|
3544 |
|
3545 | function arrayIteratorWithIndex() {
|
3546 | iterator(collection[completed], completed, done);
|
3547 | }
|
3548 |
|
3549 | function symbolIterator() {
|
3550 | iterator(iter.next().value, done);
|
3551 | }
|
3552 |
|
3553 | function symbolIteratorWithKey() {
|
3554 | value = iter.next().value;
|
3555 | iterator(value, completed, done);
|
3556 | }
|
3557 |
|
3558 | function objectIterator() {
|
3559 | iterator(collection[keys[completed]], done);
|
3560 | }
|
3561 |
|
3562 | function objectIteratorWithKey() {
|
3563 | key = keys[completed];
|
3564 | iterator(collection[key], key, done);
|
3565 | }
|
3566 |
|
3567 | function done(err, res) {
|
3568 | if (err) {
|
3569 | iterate = throwError;
|
3570 | callback = onlyOnce(callback);
|
3571 | callback(err, createArray(result));
|
3572 | return;
|
3573 | }
|
3574 | result[completed] = res;
|
3575 | if (++completed === size) {
|
3576 | iterate = throwError;
|
3577 | callback(null, result);
|
3578 | callback = throwError;
|
3579 | } else if (sync) {
|
3580 | nextTick(iterate);
|
3581 | } else {
|
3582 | sync = true;
|
3583 | iterate();
|
3584 | }
|
3585 | sync = false;
|
3586 | }
|
3587 | }
|
3588 |
|
3589 | /**
|
3590 | * @memberof async
|
3591 | * @namespace mapLimit
|
3592 | * @param {Array|Object} collection
|
3593 | * @param {number} limit - limit >= 1
|
3594 | * @param {Function} iterator
|
3595 | * @param {Function} callback
|
3596 | * @example
|
3597 | *
|
3598 | * // array
|
3599 | * var order = [];
|
3600 | * var array = [1, 5, 3, 4, 2];
|
3601 | * var iterator = function(num, done) {
|
3602 | * setTimeout(function() {
|
3603 | * order.push(num);
|
3604 | * done(null, num);
|
3605 | * }, num * 10);
|
3606 | * };
|
3607 | * async.mapLimit(array, 2, iterator, function(err, res) {
|
3608 | * console.log(res); // [1, 5, 3, 4, 2]
|
3609 | * console.log(order); // [1, 3, 5, 2, 4]
|
3610 | * });
|
3611 | *
|
3612 | * @example
|
3613 | *
|
3614 | * // array with index
|
3615 | * var order = [];
|
3616 | * var array = [1, 5, 3, 4, 2];
|
3617 | * var iterator = function(num, index, done) {
|
3618 | * setTimeout(function() {
|
3619 | * order.push([num, index]);
|
3620 | * done(null, num);
|
3621 | * }, num * 10);
|
3622 | * };
|
3623 | * async.mapLimit(array, 2, iterator, function(err, res) {
|
3624 | * console.log(res); // [1, 5, 3, 4, 2]
|
3625 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
3626 | * });
|
3627 | *
|
3628 | * @example
|
3629 | *
|
3630 | * // object
|
3631 | * var order = [];
|
3632 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
3633 | * var iterator = function(num, done) {
|
3634 | * setTimeout(function() {
|
3635 | * order.push(num);
|
3636 | * done(null, num);
|
3637 | * }, num * 10);
|
3638 | * };
|
3639 | * async.mapLimit(object, 2, iterator, function(err, res) {
|
3640 | * console.log(res); // [1, 5, 3, 4, 2]
|
3641 | * console.log(order); // [1, 3, 5, 2, 4]
|
3642 | * });
|
3643 | *
|
3644 | * @example
|
3645 | *
|
3646 | * // object with key
|
3647 | * var order = [];
|
3648 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
3649 | * var iterator = function(num, key, done) {
|
3650 | * setTimeout(function() {
|
3651 | * order.push([num, key]);
|
3652 | * done(null, num);
|
3653 | * }, num * 10);
|
3654 | * };
|
3655 | * async.mapLimit(object, 2, iterator, function(err, res) {
|
3656 | * console.log(res); // [1, 5, 3, 4, 2]
|
3657 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
3658 | * });
|
3659 | *
|
3660 | */
|
3661 | function mapLimit(collection, limit, iterator, callback) {
|
3662 | callback = callback || noop;
|
3663 | var size, index, key, keys, iter, item, result, iterate;
|
3664 | var sync = false;
|
3665 | var started = 0;
|
3666 | var completed = 0;
|
3667 |
|
3668 | if (isArray(collection)) {
|
3669 | size = collection.length;
|
3670 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3671 | } else if (!collection) {
|
3672 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3673 | size = collection.size;
|
3674 | iter = collection[iteratorSymbol]();
|
3675 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3676 | } else if (typeof collection === obj) {
|
3677 | keys = nativeKeys(collection);
|
3678 | size = keys.length;
|
3679 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3680 | }
|
3681 | if (!size || isNaN(limit) || limit < 1) {
|
3682 | return callback(null, []);
|
3683 | }
|
3684 | result = Array(size);
|
3685 | timesSync(limit > size ? size : limit, iterate);
|
3686 |
|
3687 | function arrayIterator() {
|
3688 | index = started++;
|
3689 | if (index < size) {
|
3690 | iterator(collection[index], createCallback(index));
|
3691 | }
|
3692 | }
|
3693 |
|
3694 | function arrayIteratorWithIndex() {
|
3695 | index = started++;
|
3696 | if (index < size) {
|
3697 | iterator(collection[index], index, createCallback(index));
|
3698 | }
|
3699 | }
|
3700 |
|
3701 | function symbolIterator() {
|
3702 | if ((item = iter.next()).done === false) {
|
3703 | iterator(item.value, createCallback(started++));
|
3704 | }
|
3705 | }
|
3706 |
|
3707 | function symbolIteratorWithKey() {
|
3708 | if ((item = iter.next()).done === false) {
|
3709 | iterator(item.value, started, createCallback(started++));
|
3710 | }
|
3711 | }
|
3712 |
|
3713 | function objectIterator() {
|
3714 | index = started++;
|
3715 | if (index < size) {
|
3716 | iterator(collection[keys[index]], createCallback(index));
|
3717 | }
|
3718 | }
|
3719 |
|
3720 | function objectIteratorWithKey() {
|
3721 | index = started++;
|
3722 | if (index < size) {
|
3723 | key = keys[index];
|
3724 | iterator(collection[key], key, createCallback(index));
|
3725 | }
|
3726 | }
|
3727 |
|
3728 | function createCallback(index) {
|
3729 | return function(err, res) {
|
3730 | if (index === null) {
|
3731 | throwError();
|
3732 | }
|
3733 | if (err) {
|
3734 | index = null;
|
3735 | iterate = noop;
|
3736 | callback = once(callback);
|
3737 | callback(err, createArray(result));
|
3738 | return;
|
3739 | }
|
3740 | result[index] = res;
|
3741 | index = null;
|
3742 | if (++completed === size) {
|
3743 | iterate = throwError;
|
3744 | callback(null, result);
|
3745 | callback = throwError;
|
3746 | } else if (sync) {
|
3747 | nextTick(iterate);
|
3748 | } else {
|
3749 | sync = true;
|
3750 | iterate();
|
3751 | }
|
3752 | sync = false;
|
3753 | };
|
3754 | }
|
3755 | }
|
3756 |
|
3757 | /**
|
3758 | * @memberof async
|
3759 | * @namespace mapValuesSeries
|
3760 | * @param {Array|Object} collection
|
3761 | * @param {Function} iterator
|
3762 | * @param {Function} callback
|
3763 | * @example
|
3764 | *
|
3765 | * // array
|
3766 | * var order = [];
|
3767 | * var array = [1, 3, 2];
|
3768 | * var iterator = function(num, done) {
|
3769 | * setTimeout(function() {
|
3770 | * order.push(num);
|
3771 | * done(null, num);
|
3772 | * }, num * 10);
|
3773 | * };
|
3774 | * async.mapValuesSeries(array, iterator, function(err, res) {
|
3775 | * console.log(res); // { '0': 1, '1': 3, '2': 2 }
|
3776 | * console.log(order); // [1, 3, 2]
|
3777 | * });
|
3778 | *
|
3779 | * @example
|
3780 | *
|
3781 | * // array with index
|
3782 | * var order = [];
|
3783 | * var array = [1, 3, 2];
|
3784 | * var iterator = function(num, index, done) {
|
3785 | * setTimeout(function() {
|
3786 | * order.push([num, index]);
|
3787 | * done(null, num);
|
3788 | * }, num * 10);
|
3789 | * };
|
3790 | * async.mapValuesSeries(array, iterator, function(err, res) {
|
3791 | * console.log(res); // { '0': 1, '1': 3, '2': 2 }
|
3792 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
|
3793 | * });
|
3794 | *
|
3795 | * @example
|
3796 | *
|
3797 | * // object
|
3798 | * var order = [];
|
3799 | * var object = { a: 1, b: 3, c: 2 };
|
3800 | * var iterator = function(num, done) {
|
3801 | * setTimeout(function() {
|
3802 | * order.push(num);
|
3803 | * done(null, num);
|
3804 | * }, num * 10);
|
3805 | * };
|
3806 | * async.mapValuesSeries(object, iterator, function(err, res) {
|
3807 | * console.log(res); // { a: 1, b: 3, c: 2 }
|
3808 | * console.log(order); // [1, 3, 2]
|
3809 | * });
|
3810 | *
|
3811 | * @example
|
3812 | *
|
3813 | * // object with key
|
3814 | * var order = [];
|
3815 | * var object = { a: 1, b: 3, c: 2 };
|
3816 | * var iterator = function(num, key, done) {
|
3817 | * setTimeout(function() {
|
3818 | * order.push([num, key]);
|
3819 | * done(null, num);
|
3820 | * }, num * 10);
|
3821 | * };
|
3822 | * async.mapValuesSeries(object, iterator, function(err, res) {
|
3823 | * console.log(res); // { a: 1, b: 3, c: 2 }
|
3824 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
|
3825 | * });
|
3826 | *
|
3827 | */
|
3828 | function mapValuesSeries(collection, iterator, callback) {
|
3829 | callback = callback || noop;
|
3830 | var size, key, keys, iter, value, iterate;
|
3831 | var sync = false;
|
3832 | var result = {};
|
3833 | var completed = 0;
|
3834 |
|
3835 | if (isArray(collection)) {
|
3836 | size = collection.length;
|
3837 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3838 | } else if (!collection) {
|
3839 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3840 | size = collection.size;
|
3841 | iter = collection[iteratorSymbol]();
|
3842 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3843 | } else if (typeof collection === obj) {
|
3844 | keys = nativeKeys(collection);
|
3845 | size = keys.length;
|
3846 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3847 | }
|
3848 | if (!size) {
|
3849 | return callback(null, result);
|
3850 | }
|
3851 | iterate();
|
3852 |
|
3853 | function arrayIterator() {
|
3854 | key = completed;
|
3855 | iterator(collection[completed], done);
|
3856 | }
|
3857 |
|
3858 | function arrayIteratorWithIndex() {
|
3859 | key = completed;
|
3860 | iterator(collection[completed], completed, done);
|
3861 | }
|
3862 |
|
3863 | function symbolIterator() {
|
3864 | key = completed;
|
3865 | value = iter.next().value;
|
3866 | iterator(value, done);
|
3867 | }
|
3868 |
|
3869 | function symbolIteratorWithKey() {
|
3870 | key = completed;
|
3871 | value = iter.next().value;
|
3872 | iterator(value, completed, done);
|
3873 | }
|
3874 |
|
3875 | function objectIterator() {
|
3876 | key = keys[completed];
|
3877 | iterator(collection[key], done);
|
3878 | }
|
3879 |
|
3880 | function objectIteratorWithKey() {
|
3881 | key = keys[completed];
|
3882 | iterator(collection[key], key, done);
|
3883 | }
|
3884 |
|
3885 | function done(err, res) {
|
3886 | if (err) {
|
3887 | iterate = throwError;
|
3888 | callback = onlyOnce(callback);
|
3889 | callback(err, objectClone(result));
|
3890 | return;
|
3891 | }
|
3892 | result[key] = res;
|
3893 | if (++completed === size) {
|
3894 | iterate = throwError;
|
3895 | callback(null, result);
|
3896 | callback = throwError;
|
3897 | } else if (sync) {
|
3898 | nextTick(iterate);
|
3899 | } else {
|
3900 | sync = true;
|
3901 | iterate();
|
3902 | }
|
3903 | sync = false;
|
3904 | }
|
3905 | }
|
3906 |
|
3907 | /**
|
3908 | * @memberof async
|
3909 | * @namespace mapValuesLimit
|
3910 | * @param {Array|Object} collection
|
3911 | * @param {number} limit - limit >= 1
|
3912 | * @param {Function} iterator
|
3913 | * @param {Function} callback
|
3914 | * @example
|
3915 | *
|
3916 | * // array
|
3917 | * var order = [];
|
3918 | * var array = [1, 5, 3, 4, 2];
|
3919 | * var iterator = function(num, done) {
|
3920 | * setTimeout(function() {
|
3921 | * order.push(num);
|
3922 | * done(null, num);
|
3923 | * }, num * 10);
|
3924 | * };
|
3925 | * async.mapValuesLimit(array, 2, iterator, function(err, res) {
|
3926 | * console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 }
|
3927 | * console.log(order); // [1, 3, 5, 2, 4]
|
3928 | * });
|
3929 | *
|
3930 | * @example
|
3931 | *
|
3932 | * // array with index
|
3933 | * var order = [];
|
3934 | * var array = [1, 5, 3, 4, 2];
|
3935 | * var iterator = function(num, index, done) {
|
3936 | * setTimeout(function() {
|
3937 | * order.push([num, index]);
|
3938 | * done(null, num);
|
3939 | * }, num * 10);
|
3940 | * };
|
3941 | * async.mapValuesLimit(array, 2, iterator, function(err, res) {
|
3942 | * console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 }
|
3943 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
3944 | * });
|
3945 | *
|
3946 | * @example
|
3947 | *
|
3948 | * // object
|
3949 | * var order = [];
|
3950 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
3951 | * var iterator = function(num, done) {
|
3952 | * setTimeout(function() {
|
3953 | * order.push(num);
|
3954 | * done(null, num);
|
3955 | * }, num * 10);
|
3956 | * };
|
3957 | * async.mapValuesLimit(object, 2, iterator, function(err, res) {
|
3958 | * console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 }
|
3959 | * console.log(order); // [1, 3, 5, 2, 4]
|
3960 | * });
|
3961 | *
|
3962 | * @example
|
3963 | *
|
3964 | * // object with key
|
3965 | * var order = [];
|
3966 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
3967 | * var iterator = function(num, key, done) {
|
3968 | * setTimeout(function() {
|
3969 | * order.push([num, key]);
|
3970 | * done(null, num);
|
3971 | * }, num * 10);
|
3972 | * };
|
3973 | * async.mapValuesLimit(object, 2, iterator, function(err, res) {
|
3974 | * console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 }
|
3975 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
3976 | * });
|
3977 | *
|
3978 | */
|
3979 | function mapValuesLimit(collection, limit, iterator, callback) {
|
3980 | callback = callback || noop;
|
3981 | var size, index, key, keys, iter, item, iterate;
|
3982 | var sync = false;
|
3983 | var result = {};
|
3984 | var started = 0;
|
3985 | var completed = 0;
|
3986 |
|
3987 | if (isArray(collection)) {
|
3988 | size = collection.length;
|
3989 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
3990 | } else if (!collection) {
|
3991 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
3992 | size = collection.size;
|
3993 | iter = collection[iteratorSymbol]();
|
3994 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
3995 | } else if (typeof collection === obj) {
|
3996 | keys = nativeKeys(collection);
|
3997 | size = keys.length;
|
3998 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
3999 | }
|
4000 | if (!size || isNaN(limit) || limit < 1) {
|
4001 | return callback(null, result);
|
4002 | }
|
4003 | timesSync(limit > size ? size : limit, iterate);
|
4004 |
|
4005 | function arrayIterator() {
|
4006 | index = started++;
|
4007 | if (index < size) {
|
4008 | iterator(collection[index], createCallback(index));
|
4009 | }
|
4010 | }
|
4011 |
|
4012 | function arrayIteratorWithIndex() {
|
4013 | index = started++;
|
4014 | if (index < size) {
|
4015 | iterator(collection[index], index, createCallback(index));
|
4016 | }
|
4017 | }
|
4018 |
|
4019 | function symbolIterator() {
|
4020 | if ((item = iter.next()).done === false) {
|
4021 | iterator(item.value, createCallback(started++));
|
4022 | }
|
4023 | }
|
4024 |
|
4025 | function symbolIteratorWithKey() {
|
4026 | if ((item = iter.next()).done === false) {
|
4027 | iterator(item.value, started, createCallback(started++));
|
4028 | }
|
4029 | }
|
4030 |
|
4031 | function objectIterator() {
|
4032 | index = started++;
|
4033 | if (index < size) {
|
4034 | key = keys[index];
|
4035 | iterator(collection[key], createCallback(key));
|
4036 | }
|
4037 | }
|
4038 |
|
4039 | function objectIteratorWithKey() {
|
4040 | index = started++;
|
4041 | if (index < size) {
|
4042 | key = keys[index];
|
4043 | iterator(collection[key], key, createCallback(key));
|
4044 | }
|
4045 | }
|
4046 |
|
4047 | function createCallback(key) {
|
4048 | return function(err, res) {
|
4049 | if (key === null) {
|
4050 | throwError();
|
4051 | }
|
4052 | if (err) {
|
4053 | key = null;
|
4054 | iterate = noop;
|
4055 | callback = once(callback);
|
4056 | callback(err, objectClone(result));
|
4057 | return;
|
4058 | }
|
4059 | result[key] = res;
|
4060 | key = null;
|
4061 | if (++completed === size) {
|
4062 | callback(null, result);
|
4063 | } else if (sync) {
|
4064 | nextTick(iterate);
|
4065 | } else {
|
4066 | sync = true;
|
4067 | iterate();
|
4068 | }
|
4069 | sync = false;
|
4070 | };
|
4071 | }
|
4072 | }
|
4073 |
|
4074 | /**
|
4075 | * @private
|
4076 | * @param {Function} arrayEach
|
4077 | * @param {Function} baseEach
|
4078 | * @param {Function} symbolEach
|
4079 | * @param {boolean} bool
|
4080 | */
|
4081 | function createDetect(arrayEach, baseEach, symbolEach, bool) {
|
4082 |
|
4083 | return function(collection, iterator, callback) {
|
4084 | callback = callback || noop;
|
4085 | var size, keys;
|
4086 | var completed = 0;
|
4087 |
|
4088 | if (isArray(collection)) {
|
4089 | size = collection.length;
|
4090 | arrayEach(collection, iterator, createCallback);
|
4091 | } else if (!collection) {
|
4092 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4093 | size = collection.size;
|
4094 | symbolEach(collection, iterator, createCallback);
|
4095 | } else if (typeof collection === obj) {
|
4096 | keys = nativeKeys(collection);
|
4097 | size = keys.length;
|
4098 | baseEach(collection, iterator, createCallback, keys);
|
4099 | }
|
4100 | if (!size) {
|
4101 | callback(null);
|
4102 | }
|
4103 |
|
4104 | function createCallback(value) {
|
4105 | var called = false;
|
4106 | return function done(err, res) {
|
4107 | if (called) {
|
4108 | throwError();
|
4109 | }
|
4110 | called = true;
|
4111 | if (err) {
|
4112 | callback = once(callback);
|
4113 | callback(err);
|
4114 | } else if (!!res === bool) {
|
4115 | callback = once(callback);
|
4116 | callback(null, value);
|
4117 | } else if (++completed === size) {
|
4118 | callback(null);
|
4119 | }
|
4120 | };
|
4121 | }
|
4122 | };
|
4123 | }
|
4124 |
|
4125 | /**
|
4126 | * @private
|
4127 | * @param {boolean} bool
|
4128 | */
|
4129 | function createDetectSeries(bool) {
|
4130 |
|
4131 | return function(collection, iterator, callback) {
|
4132 | callback = onlyOnce(callback || noop);
|
4133 | var size, key, value, keys, iter, iterate;
|
4134 | var sync = false;
|
4135 | var completed = 0;
|
4136 |
|
4137 | if (isArray(collection)) {
|
4138 | size = collection.length;
|
4139 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
4140 | } else if (!collection) {
|
4141 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4142 | size = collection.size;
|
4143 | iter = collection[iteratorSymbol]();
|
4144 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
4145 | } else if (typeof collection === obj) {
|
4146 | keys = nativeKeys(collection);
|
4147 | size = keys.length;
|
4148 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
4149 | }
|
4150 | if (!size) {
|
4151 | return callback(null);
|
4152 | }
|
4153 | iterate();
|
4154 |
|
4155 | function arrayIterator() {
|
4156 | value = collection[completed];
|
4157 | iterator(value, done);
|
4158 | }
|
4159 |
|
4160 | function arrayIteratorWithIndex() {
|
4161 | value = collection[completed];
|
4162 | iterator(value, completed, done);
|
4163 | }
|
4164 |
|
4165 | function symbolIterator() {
|
4166 | value = iter.next().value;
|
4167 | iterator(value, done);
|
4168 | }
|
4169 |
|
4170 | function symbolIteratorWithKey() {
|
4171 | value = iter.next().value;
|
4172 | iterator(value, completed, done);
|
4173 | }
|
4174 |
|
4175 | function objectIterator() {
|
4176 | value = collection[keys[completed]];
|
4177 | iterator(value, done);
|
4178 | }
|
4179 |
|
4180 | function objectIteratorWithKey() {
|
4181 | key = keys[completed];
|
4182 | value = collection[key];
|
4183 | iterator(value, key, done);
|
4184 | }
|
4185 |
|
4186 | function done(err, res) {
|
4187 | if (err) {
|
4188 | callback(err);
|
4189 | } else if (!!res === bool) {
|
4190 | iterate = throwError;
|
4191 | callback(null, value);
|
4192 | } else if (++completed === size) {
|
4193 | iterate = throwError;
|
4194 | callback(null);
|
4195 | } else if (sync) {
|
4196 | nextTick(iterate);
|
4197 | } else {
|
4198 | sync = true;
|
4199 | iterate();
|
4200 | }
|
4201 | sync = false;
|
4202 | }
|
4203 | };
|
4204 | }
|
4205 |
|
4206 | /**
|
4207 | * @private
|
4208 | * @param {boolean} bool
|
4209 | */
|
4210 | function createDetectLimit(bool) {
|
4211 |
|
4212 | return function(collection, limit, iterator, callback) {
|
4213 | callback = callback || noop;
|
4214 | var size, index, key, value, keys, iter, item, iterate;
|
4215 | var sync = false;
|
4216 | var started = 0;
|
4217 | var completed = 0;
|
4218 |
|
4219 | if (isArray(collection)) {
|
4220 | size = collection.length;
|
4221 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
4222 | } else if (!collection) {
|
4223 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4224 | size = collection.size;
|
4225 | iter = collection[iteratorSymbol]();
|
4226 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
4227 | } else if (typeof collection === obj) {
|
4228 | keys = nativeKeys(collection);
|
4229 | size = keys.length;
|
4230 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
4231 | }
|
4232 | if (!size || isNaN(limit) || limit < 1) {
|
4233 | return callback(null);
|
4234 | }
|
4235 | timesSync(limit > size ? size : limit, iterate);
|
4236 |
|
4237 | function arrayIterator() {
|
4238 | index = started++;
|
4239 | if (index < size) {
|
4240 | value = collection[index];
|
4241 | iterator(value, createCallback(value));
|
4242 | }
|
4243 | }
|
4244 |
|
4245 | function arrayIteratorWithIndex() {
|
4246 | index = started++;
|
4247 | if (index < size) {
|
4248 | value = collection[index];
|
4249 | iterator(value, index, createCallback(value));
|
4250 | }
|
4251 | }
|
4252 |
|
4253 | function symbolIterator() {
|
4254 | if ((item = iter.next()).done === false) {
|
4255 | value = item.value;
|
4256 | iterator(value, createCallback(value));
|
4257 | }
|
4258 | }
|
4259 |
|
4260 | function symbolIteratorWithKey() {
|
4261 | if ((item = iter.next()).done === false) {
|
4262 | value = item.value;
|
4263 | iterator(value, started++, createCallback(value));
|
4264 | }
|
4265 | }
|
4266 |
|
4267 | function objectIterator() {
|
4268 | index = started++;
|
4269 | if (index < size) {
|
4270 | value = collection[keys[index]];
|
4271 | iterator(value, createCallback(value));
|
4272 | }
|
4273 | }
|
4274 |
|
4275 | function objectIteratorWithKey() {
|
4276 | if (started < size) {
|
4277 | key = keys[started++];
|
4278 | value = collection[key];
|
4279 | iterator(value, key, createCallback(value));
|
4280 | }
|
4281 | }
|
4282 |
|
4283 | function createCallback(value) {
|
4284 | var called = false;
|
4285 | return function(err, res) {
|
4286 | if (called) {
|
4287 | throwError();
|
4288 | }
|
4289 | called = true;
|
4290 | if (err) {
|
4291 | iterate = noop;
|
4292 | callback = once(callback);
|
4293 | callback(err);
|
4294 | } else if (!!res === bool) {
|
4295 | iterate = noop;
|
4296 | callback = once(callback);
|
4297 | callback(null, value);
|
4298 | } else if (++completed === size) {
|
4299 | callback(null);
|
4300 | } else if (sync) {
|
4301 | nextTick(iterate);
|
4302 | } else {
|
4303 | sync = true;
|
4304 | iterate();
|
4305 | }
|
4306 | sync = false;
|
4307 | };
|
4308 | }
|
4309 | };
|
4310 | }
|
4311 |
|
4312 | /**
|
4313 | * @private
|
4314 | * @param {Function} arrayEach
|
4315 | * @param {Function} baseEach
|
4316 | * @param {Function} symbolEach
|
4317 | * @param {boolean} bool
|
4318 | */
|
4319 | function createPick(arrayEach, baseEach, symbolEach, bool) {
|
4320 |
|
4321 | return function(collection, iterator, callback) {
|
4322 | callback = callback || noop;
|
4323 | var size, keys;
|
4324 | var completed = 0;
|
4325 | var result = {};
|
4326 |
|
4327 | if (isArray(collection)) {
|
4328 | size = collection.length;
|
4329 | arrayEach(collection, iterator, createCallback);
|
4330 | } else if (!collection) {
|
4331 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4332 | size = collection.size;
|
4333 | symbolEach(collection, iterator, createCallback);
|
4334 | } else if (typeof collection === obj) {
|
4335 | keys = nativeKeys(collection);
|
4336 | size = keys.length;
|
4337 | baseEach(collection, iterator, createCallback, keys);
|
4338 | }
|
4339 | if (!size) {
|
4340 | return callback(null, {});
|
4341 | }
|
4342 |
|
4343 | function createCallback(key, value) {
|
4344 | return function done(err, res) {
|
4345 | if (key === null) {
|
4346 | throwError();
|
4347 | }
|
4348 | if (err) {
|
4349 | key = null;
|
4350 | callback = once(callback);
|
4351 | callback(err, objectClone(result));
|
4352 | return;
|
4353 | }
|
4354 | if (!!res === bool) {
|
4355 | result[key] = value;
|
4356 | }
|
4357 | key = null;
|
4358 | if (++completed === size) {
|
4359 | callback(null, result);
|
4360 | }
|
4361 | };
|
4362 | }
|
4363 | };
|
4364 | }
|
4365 |
|
4366 | /**
|
4367 | * @private
|
4368 | * @param {boolean} bool
|
4369 | */
|
4370 | function createPickSeries(bool) {
|
4371 |
|
4372 | return function(collection, iterator, callback) {
|
4373 | callback = onlyOnce(callback || noop);
|
4374 | var size, key, value, keys, iter, iterate;
|
4375 | var sync = false;
|
4376 | var result = {};
|
4377 | var completed = 0;
|
4378 |
|
4379 | if (isArray(collection)) {
|
4380 | size = collection.length;
|
4381 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
4382 | } else if (!collection) {
|
4383 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4384 | size = collection.size;
|
4385 | iter = collection[iteratorSymbol]();
|
4386 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
4387 | } else if (typeof collection === obj) {
|
4388 | keys = nativeKeys(collection);
|
4389 | size = keys.length;
|
4390 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
4391 | }
|
4392 | if (!size) {
|
4393 | return callback(null, {});
|
4394 | }
|
4395 | iterate();
|
4396 |
|
4397 | function arrayIterator() {
|
4398 | key = completed;
|
4399 | value = collection[completed];
|
4400 | iterator(value, done);
|
4401 | }
|
4402 |
|
4403 | function arrayIteratorWithIndex() {
|
4404 | key = completed;
|
4405 | value = collection[completed];
|
4406 | iterator(value, completed, done);
|
4407 | }
|
4408 |
|
4409 | function symbolIterator() {
|
4410 | key = completed;
|
4411 | value = iter.next().value;
|
4412 | iterator(value, done);
|
4413 | }
|
4414 |
|
4415 | function symbolIteratorWithKey() {
|
4416 | key = completed;
|
4417 | value = iter.next().value;
|
4418 | iterator(value, key, done);
|
4419 | }
|
4420 |
|
4421 | function objectIterator() {
|
4422 | key = keys[completed];
|
4423 | value = collection[key];
|
4424 | iterator(value, done);
|
4425 | }
|
4426 |
|
4427 | function objectIteratorWithKey() {
|
4428 | key = keys[completed];
|
4429 | value = collection[key];
|
4430 | iterator(value, key, done);
|
4431 | }
|
4432 |
|
4433 | function done(err, res) {
|
4434 | if (err) {
|
4435 | callback(err, result);
|
4436 | return;
|
4437 | }
|
4438 | if (!!res === bool) {
|
4439 | result[key] = value;
|
4440 | }
|
4441 | if (++completed === size) {
|
4442 | iterate = throwError;
|
4443 | callback(null, result);
|
4444 | } else if (sync) {
|
4445 | nextTick(iterate);
|
4446 | } else {
|
4447 | sync = true;
|
4448 | iterate();
|
4449 | }
|
4450 | sync = false;
|
4451 | }
|
4452 | };
|
4453 | }
|
4454 |
|
4455 | /**
|
4456 | * @private
|
4457 | * @param {boolean} bool
|
4458 | */
|
4459 | function createPickLimit(bool) {
|
4460 |
|
4461 | return function(collection, limit, iterator, callback) {
|
4462 | callback = callback || noop;
|
4463 | var size, index, key, value, keys, iter, item, iterate;
|
4464 | var sync = false;
|
4465 | var result = {};
|
4466 | var started = 0;
|
4467 | var completed = 0;
|
4468 |
|
4469 | if (isArray(collection)) {
|
4470 | size = collection.length;
|
4471 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
4472 | } else if (!collection) {
|
4473 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4474 | size = collection.size;
|
4475 | iter = collection[iteratorSymbol]();
|
4476 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
4477 | } else if (typeof collection === obj) {
|
4478 | keys = nativeKeys(collection);
|
4479 | size = keys.length;
|
4480 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
4481 | }
|
4482 | if (!size || isNaN(limit) || limit < 1) {
|
4483 | return callback(null, {});
|
4484 | }
|
4485 | timesSync(limit > size ? size : limit, iterate);
|
4486 |
|
4487 | function arrayIterator() {
|
4488 | index = started++;
|
4489 | if (index < size) {
|
4490 | value = collection[index];
|
4491 | iterator(value, createCallback(value, index));
|
4492 | }
|
4493 | }
|
4494 |
|
4495 | function arrayIteratorWithIndex() {
|
4496 | index = started++;
|
4497 | if (index < size) {
|
4498 | value = collection[index];
|
4499 | iterator(value, index, createCallback(value, index));
|
4500 | }
|
4501 | }
|
4502 |
|
4503 | function symbolIterator() {
|
4504 | if ((item = iter.next()).done === false) {
|
4505 | value = item.value;
|
4506 | iterator(value, createCallback(value, started++));
|
4507 | }
|
4508 | }
|
4509 |
|
4510 | function symbolIteratorWithKey() {
|
4511 | if ((item = iter.next()).done === false) {
|
4512 | value = item.value;
|
4513 | iterator(value, started, createCallback(value, started++));
|
4514 | }
|
4515 | }
|
4516 |
|
4517 | function objectIterator() {
|
4518 | if (started < size) {
|
4519 | key = keys[started++];
|
4520 | value = collection[key];
|
4521 | iterator(value, createCallback(value, key));
|
4522 | }
|
4523 | }
|
4524 |
|
4525 | function objectIteratorWithKey() {
|
4526 | if (started < size) {
|
4527 | key = keys[started++];
|
4528 | value = collection[key];
|
4529 | iterator(value, key, createCallback(value, key));
|
4530 | }
|
4531 | }
|
4532 |
|
4533 | function createCallback(value, key) {
|
4534 | return function(err, res) {
|
4535 | if (key === null) {
|
4536 | throwError();
|
4537 | }
|
4538 | if (err) {
|
4539 | key = null;
|
4540 | iterate = noop;
|
4541 | callback = once(callback);
|
4542 | callback(err, objectClone(result));
|
4543 | return;
|
4544 | }
|
4545 | if (!!res === bool) {
|
4546 | result[key] = value;
|
4547 | }
|
4548 | key = null;
|
4549 | if (++completed === size) {
|
4550 | iterate = throwError;
|
4551 | callback = onlyOnce(callback);
|
4552 | callback(null, result);
|
4553 | } else if (sync) {
|
4554 | nextTick(iterate);
|
4555 | } else {
|
4556 | sync = true;
|
4557 | iterate();
|
4558 | }
|
4559 | sync = false;
|
4560 | };
|
4561 | }
|
4562 | };
|
4563 | }
|
4564 |
|
4565 | /**
|
4566 | * @memberof async
|
4567 | * @namespace reduce
|
4568 | * @param {Array|Object} collection
|
4569 | * @param {*} result
|
4570 | * @param {Function} iterator
|
4571 | * @param {Function} callback
|
4572 | * @example
|
4573 | *
|
4574 | * // array
|
4575 | * var order = [];
|
4576 | * var collection = [1, 3, 2, 4];
|
4577 | * var iterator = function(result, num, done) {
|
4578 | * setTimeout(function() {
|
4579 | * order.push(num);
|
4580 | * done(null, result + num);
|
4581 | * }, num * 10);
|
4582 | * };
|
4583 | * async.reduce(collection, 0, iterator, function(err, res) {
|
4584 | * console.log(res); // 10
|
4585 | * console.log(order); // [1, 3, 2, 4]
|
4586 | * });
|
4587 | *
|
4588 | * @example
|
4589 | *
|
4590 | * // array with index
|
4591 | * var order = [];
|
4592 | * var collection = [1, 3, 2, 4];
|
4593 | * var iterator = function(result, num, index, done) {
|
4594 | * setTimeout(function() {
|
4595 | * order.push([num, index]);
|
4596 | * done(null, result + num);
|
4597 | * }, num * 10);
|
4598 | * };
|
4599 | * async.reduce(collection, '', iterator, function(err, res) {
|
4600 | * console.log(res); // '1324'
|
4601 | * console.log(order); // [[1, 0], [3, 1], [2, 2], [4, 3]]
|
4602 | * });
|
4603 | *
|
4604 | * @example
|
4605 | *
|
4606 | * // object
|
4607 | * var order = [];
|
4608 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
4609 | * var iterator = function(result, num, done) {
|
4610 | * setTimeout(function() {
|
4611 | * order.push(num);
|
4612 | * done(null, result + num);
|
4613 | * }, num * 10);
|
4614 | * };
|
4615 | * async.reduce(collection, '', iterator, function(err, res) {
|
4616 | * console.log(res); // '1324'
|
4617 | * console.log(order); // [1, 3, 2, 4]
|
4618 | * });
|
4619 | *
|
4620 | * @example
|
4621 | *
|
4622 | * // object with key
|
4623 | * var order = [];
|
4624 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
4625 | * var iterator = function(result, num, key, done) {
|
4626 | * setTimeout(function() {
|
4627 | * order.push([num, key]);
|
4628 | * done(null, result + num);
|
4629 | * }, num * 10);
|
4630 | * };
|
4631 | * async.reduce(collection, 0, iterator, function(err, res) {
|
4632 | * console.log(res); // 10
|
4633 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b'], [4, 'd']]
|
4634 | * });
|
4635 | *
|
4636 | */
|
4637 | function reduce(collection, result, iterator, callback) {
|
4638 | callback = onlyOnce(callback || noop);
|
4639 | var size, key, keys, iter, iterate;
|
4640 | var sync = false;
|
4641 | var completed = 0;
|
4642 |
|
4643 | if (isArray(collection)) {
|
4644 | size = collection.length;
|
4645 | iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
|
4646 | } else if (!collection) {
|
4647 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4648 | size = collection.size;
|
4649 | iter = collection[iteratorSymbol]();
|
4650 | iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator;
|
4651 | } else if (typeof collection === obj) {
|
4652 | keys = nativeKeys(collection);
|
4653 | size = keys.length;
|
4654 | iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
|
4655 | }
|
4656 | if (!size) {
|
4657 | return callback(null, result);
|
4658 | }
|
4659 | iterate(result);
|
4660 |
|
4661 | function arrayIterator(result) {
|
4662 | iterator(result, collection[completed], done);
|
4663 | }
|
4664 |
|
4665 | function arrayIteratorWithIndex(result) {
|
4666 | iterator(result, collection[completed], completed, done);
|
4667 | }
|
4668 |
|
4669 | function symbolIterator() {
|
4670 | iterator(result, iter.next().value, done);
|
4671 | }
|
4672 |
|
4673 | function symbolIteratorWithKey() {
|
4674 | iterator(result, iter.next().value, completed, done);
|
4675 | }
|
4676 |
|
4677 | function objectIterator(result) {
|
4678 | iterator(result, collection[keys[completed]], done);
|
4679 | }
|
4680 |
|
4681 | function objectIteratorWithKey(result) {
|
4682 | key = keys[completed];
|
4683 | iterator(result, collection[key], key, done);
|
4684 | }
|
4685 |
|
4686 | function done(err, result) {
|
4687 | if (err) {
|
4688 | callback(err, result);
|
4689 | } else if (++completed === size) {
|
4690 | iterator = throwError;
|
4691 | callback(null, result);
|
4692 | } else if (sync) {
|
4693 | nextTick(function() {
|
4694 | iterate(result);
|
4695 | });
|
4696 | } else {
|
4697 | sync = true;
|
4698 | iterate(result);
|
4699 | }
|
4700 | sync = false;
|
4701 | }
|
4702 | }
|
4703 |
|
4704 | /**
|
4705 | * @memberof async
|
4706 | * @namespace reduceRight
|
4707 | * @param {Array|Object} collection
|
4708 | * @param {*} result
|
4709 | * @param {Function} iterator
|
4710 | * @param {Function} callback
|
4711 | * @example
|
4712 | *
|
4713 | * // array
|
4714 | * var order = [];
|
4715 | * var collection = [1, 3, 2, 4];
|
4716 | * var iterator = function(result, num, done) {
|
4717 | * setTimeout(function() {
|
4718 | * order.push(num);
|
4719 | * done(null, result + num);
|
4720 | * }, num * 10);
|
4721 | * };
|
4722 | * async.reduceRight(collection, 0, iterator, function(err, res) {
|
4723 | * console.log(res); // 10
|
4724 | * console.log(order); // [4, 2, 3, 1]
|
4725 | * });
|
4726 | *
|
4727 | * @example
|
4728 | *
|
4729 | * // array with index
|
4730 | * var order = [];
|
4731 | * var collection = [1, 3, 2, 4];
|
4732 | * var iterator = function(result, num, index, done) {
|
4733 | * setTimeout(function() {
|
4734 | * order.push([num, index]);
|
4735 | * done(null, result + num);
|
4736 | * }, num * 10);
|
4737 | * };
|
4738 | * async.reduceRight(collection, '', iterator, function(err, res) {
|
4739 | * console.log(res); // '4231'
|
4740 | * console.log(order); // [[4, 3], [2, 2], [3, 1], [1, 0]]
|
4741 | * });
|
4742 | *
|
4743 | * @example
|
4744 | *
|
4745 | * // object
|
4746 | * var order = [];
|
4747 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
4748 | * var iterator = function(result, num, done) {
|
4749 | * setTimeout(function() {
|
4750 | * order.push(num);
|
4751 | * done(null, result + num);
|
4752 | * }, num * 10);
|
4753 | * };
|
4754 | * async.reduceRight(collection, '', iterator, function(err, res) {
|
4755 | * console.log(res); // '4231'
|
4756 | * console.log(order); // [4, 2, 3, 1]
|
4757 | * });
|
4758 | *
|
4759 | * @example
|
4760 | *
|
4761 | * // object with key
|
4762 | * var order = [];
|
4763 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
4764 | * var iterator = function(result, num, key, done) {
|
4765 | * setTimeout(function() {
|
4766 | * order.push([num, key]);
|
4767 | * done(null, result + num);
|
4768 | * }, num * 10);
|
4769 | * };
|
4770 | * async.reduceRight(collection, 0, iterator, function(err, res) {
|
4771 | * console.log(res); // 10
|
4772 | * console.log(order); // [[4, 3], [2, 2], [3, 1], [1, 0]]
|
4773 | * });
|
4774 | *
|
4775 | */
|
4776 | function reduceRight(collection, result, iterator, callback) {
|
4777 | callback = onlyOnce(callback || noop);
|
4778 | var resIndex, index, key, keys, iter, item, col, iterate;
|
4779 | var sync = false;
|
4780 |
|
4781 | if (isArray(collection)) {
|
4782 | resIndex = collection.length;
|
4783 | iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
|
4784 | } else if (!collection) {
|
4785 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4786 | resIndex = collection.size;
|
4787 | col = Array(resIndex);
|
4788 | iter = collection[iteratorSymbol]();
|
4789 | index = -1;
|
4790 | while ((item = iter.next()).done === false) {
|
4791 | col[++index] = item.value;
|
4792 | }
|
4793 | collection = col;
|
4794 | iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
|
4795 | } else if (typeof collection === obj) {
|
4796 | keys = nativeKeys(collection);
|
4797 | resIndex = keys.length;
|
4798 | iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
|
4799 | }
|
4800 | if (!resIndex) {
|
4801 | return callback(null, result);
|
4802 | }
|
4803 | iterate(result);
|
4804 |
|
4805 | function arrayIterator(result) {
|
4806 | iterator(result, collection[--resIndex], done);
|
4807 | }
|
4808 |
|
4809 | function arrayIteratorWithIndex(result) {
|
4810 | iterator(result, collection[--resIndex], resIndex, done);
|
4811 | }
|
4812 |
|
4813 | function objectIterator(result) {
|
4814 | iterator(result, collection[keys[--resIndex]], done);
|
4815 | }
|
4816 |
|
4817 | function objectIteratorWithKey(result) {
|
4818 | key = keys[--resIndex];
|
4819 | iterator(result, collection[key], key, done);
|
4820 | }
|
4821 |
|
4822 | function done(err, result) {
|
4823 | if (err) {
|
4824 | callback(err, result);
|
4825 | } else if (resIndex === 0) {
|
4826 | iterate = throwError;
|
4827 | callback(null, result);
|
4828 | } else if (sync) {
|
4829 | nextTick(function() {
|
4830 | iterate(result);
|
4831 | });
|
4832 | } else {
|
4833 | sync = true;
|
4834 | iterate(result);
|
4835 | }
|
4836 | sync = false;
|
4837 | }
|
4838 | }
|
4839 |
|
4840 | /**
|
4841 | * @private
|
4842 | * @param {Function} arrayEach
|
4843 | * @param {Function} baseEach
|
4844 | * @param {Function} symbolEach
|
4845 | */
|
4846 | function createTransform(arrayEach, baseEach, symbolEach) {
|
4847 |
|
4848 | return function transform(collection, accumulator, iterator, callback) {
|
4849 | if (arguments.length === 3) {
|
4850 | callback = iterator;
|
4851 | iterator = accumulator;
|
4852 | accumulator = undefined;
|
4853 | }
|
4854 | callback = callback || noop;
|
4855 | var size, keys, result;
|
4856 | var completed = 0;
|
4857 |
|
4858 | if (isArray(collection)) {
|
4859 | size = collection.length;
|
4860 | result = accumulator !== undefined ? accumulator : [];
|
4861 | arrayEach(collection, result, iterator, done);
|
4862 | } else if (!collection) {
|
4863 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4864 | size = collection.size;
|
4865 | result = accumulator !== undefined ? accumulator : {};
|
4866 | symbolEach(collection, result, iterator, done);
|
4867 | } else if (typeof collection === obj) {
|
4868 | keys = nativeKeys(collection);
|
4869 | size = keys.length;
|
4870 | result = accumulator !== undefined ? accumulator : {};
|
4871 | baseEach(collection, result, iterator, done, keys);
|
4872 | }
|
4873 | if (!size) {
|
4874 | callback(null, accumulator !== undefined ? accumulator : result || {});
|
4875 | }
|
4876 |
|
4877 | function done(err, bool) {
|
4878 | if (err) {
|
4879 | callback = once(callback);
|
4880 | callback(err, isArray(result) ? createArray(result) : objectClone(result));
|
4881 | } else if (++completed === size) {
|
4882 | callback(null, result);
|
4883 | } else if (bool === false) {
|
4884 | callback = once(callback);
|
4885 | callback(null, isArray(result) ? createArray(result) : objectClone(result));
|
4886 | }
|
4887 | }
|
4888 | };
|
4889 | }
|
4890 |
|
4891 | /**
|
4892 | * @memberof async
|
4893 | * @namespace transformSeries
|
4894 | * @param {Array|Object} collection
|
4895 | * @param {Array|Object|Function} [accumulator]
|
4896 | * @param {Function} [iterator]
|
4897 | * @param {Function} [callback]
|
4898 | * @example
|
4899 | *
|
4900 | * // array
|
4901 | * var order = [];
|
4902 | * var collection = [1, 3, 2, 4];
|
4903 | * var iterator = function(result, num, done) {
|
4904 | * setTimeout(function() {
|
4905 | * order.push(num);
|
4906 | * result.push(num)
|
4907 | * done();
|
4908 | * }, num * 10);
|
4909 | * };
|
4910 | * async.transformSeries(collection, iterator, function(err, res) {
|
4911 | * console.log(res); // [1, 3, 2, 4]
|
4912 | * console.log(order); // [1, 3, 2, 4]
|
4913 | * });
|
4914 | *
|
4915 | * @example
|
4916 | *
|
4917 | * // array with index and accumulator
|
4918 | * var order = [];
|
4919 | * var collection = [1, 3, 2, 4];
|
4920 | * var iterator = function(result, num, index, done) {
|
4921 | * setTimeout(function() {
|
4922 | * order.push([num, index]);
|
4923 | * result[index] = num;
|
4924 | * done();
|
4925 | * }, num * 10);
|
4926 | * };
|
4927 | * async.transformSeries(collection, {}, iterator, function(err, res) {
|
4928 | * console.log(res); // { '0': 1, '1': 3, '2': 2, '3': 4 }
|
4929 | * console.log(order); // [[1, 0], [3, 1], [2, 2], [4, 3]]
|
4930 | * });
|
4931 | *
|
4932 | * @example
|
4933 | *
|
4934 | * // object with accumulator
|
4935 | * var order = [];
|
4936 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
4937 | * var iterator = function(result, num, done) {
|
4938 | * setTimeout(function() {
|
4939 | * order.push(num);
|
4940 | * result.push(num);
|
4941 | * done();
|
4942 | * }, num * 10);
|
4943 | * };
|
4944 | * async.transformSeries(collection, [], iterator, function(err, res) {
|
4945 | * console.log(res); // [1, 3, 2, 4]
|
4946 | * console.log(order); // [1, 3, 2, 4]
|
4947 | * });
|
4948 | *
|
4949 | * @example
|
4950 | *
|
4951 | * // object with key
|
4952 | * var order = [];
|
4953 | * var object = { a: 1, b: 3, c: 2, d: 4 };
|
4954 | * var iterator = function(result, num, key, done) {
|
4955 | * setTimeout(function() {
|
4956 | * order.push([num, key]);
|
4957 | * result[key] = num;
|
4958 | * done();
|
4959 | * }, num * 10);
|
4960 | * };
|
4961 | * async.transformSeries(collection, iterator, function(err, res) {
|
4962 | * console.log(res); // { a: 1, b: 3, c: 2, d: 4 }
|
4963 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b'], [4, 'd']]
|
4964 | * });
|
4965 | *
|
4966 | */
|
4967 | function transformSeries(collection, accumulator, iterator, callback) {
|
4968 | if (arguments.length === 3) {
|
4969 | callback = iterator;
|
4970 | iterator = accumulator;
|
4971 | accumulator = undefined;
|
4972 | }
|
4973 | callback = onlyOnce(callback || noop);
|
4974 | var size, key, keys, iter, iterate, result;
|
4975 | var sync = false;
|
4976 | var completed = 0;
|
4977 |
|
4978 | if (isArray(collection)) {
|
4979 | size = collection.length;
|
4980 | result = accumulator !== undefined ? accumulator : [];
|
4981 | iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
|
4982 | } else if (!collection) {
|
4983 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
4984 | size = collection.size;
|
4985 | iter = collection[iteratorSymbol]();
|
4986 | result = accumulator !== undefined ? accumulator : {};
|
4987 | iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator;
|
4988 | } else if (typeof collection === obj) {
|
4989 | keys = nativeKeys(collection);
|
4990 | size = keys.length;
|
4991 | result = accumulator !== undefined ? accumulator : {};
|
4992 | iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
|
4993 | }
|
4994 | if (!size) {
|
4995 | return callback(null, accumulator !== undefined ? accumulator : result || {});
|
4996 | }
|
4997 | iterate();
|
4998 |
|
4999 | function arrayIterator() {
|
5000 | iterator(result, collection[completed], done);
|
5001 | }
|
5002 |
|
5003 | function arrayIteratorWithIndex() {
|
5004 | iterator(result, collection[completed], completed, done);
|
5005 | }
|
5006 |
|
5007 | function symbolIterator() {
|
5008 | iterator(result, iter.next().value, done);
|
5009 | }
|
5010 |
|
5011 | function symbolIteratorWithKey() {
|
5012 | iterator(result, iter.next().value, completed, done);
|
5013 | }
|
5014 |
|
5015 | function objectIterator() {
|
5016 | iterator(result, collection[keys[completed]], done);
|
5017 | }
|
5018 |
|
5019 | function objectIteratorWithKey() {
|
5020 | key = keys[completed];
|
5021 | iterator(result, collection[key], key, done);
|
5022 | }
|
5023 |
|
5024 | function done(err, bool) {
|
5025 | if (err) {
|
5026 | callback(err, result);
|
5027 | } else if (++completed === size) {
|
5028 | iterate = throwError;
|
5029 | callback(null, result);
|
5030 | } else if (bool === false) {
|
5031 | iterate = throwError;
|
5032 | callback(null, result);
|
5033 | } else if (sync) {
|
5034 | nextTick(iterate);
|
5035 | } else {
|
5036 | sync = true;
|
5037 | iterate();
|
5038 | }
|
5039 | sync = false;
|
5040 | }
|
5041 | }
|
5042 |
|
5043 | /**
|
5044 | * @memberof async
|
5045 | * @namespace transformLimit
|
5046 | * @param {Array|Object} collection
|
5047 | * @param {number} limit - limit >= 1
|
5048 | * @param {Array|Object|Function} [accumulator]
|
5049 | * @param {Function} [iterator]
|
5050 | * @param {Function} [callback]
|
5051 | * @example
|
5052 | *
|
5053 | * // array
|
5054 | * var order = [];
|
5055 | * var array = [1, 5, 3, 4, 2];
|
5056 | * var iterator = function(result, num, done) {
|
5057 | * setTimeout(function() {
|
5058 | * order.push(num);
|
5059 | * result.push(num);
|
5060 | * done();
|
5061 | * }, num * 10);
|
5062 | * };
|
5063 | * async.transformLimit(array, 2, iterator, function(err, res) {
|
5064 | * console.log(res); // [1, 3, 5, 2, 4]
|
5065 | * console.log(order); // [1, 3, 5, 2, 4]
|
5066 | * });
|
5067 | *
|
5068 | * @example
|
5069 | *
|
5070 | * // array with index and accumulator
|
5071 | * var order = [];
|
5072 | * var array = [1, 5, 3, 4, 2];
|
5073 | * var iterator = function(result, num, index, done) {
|
5074 | * setTimeout(function() {
|
5075 | * order.push([num, index]);
|
5076 | * result[index] = key;
|
5077 | * done();
|
5078 | * }, num * 10);
|
5079 | * };
|
5080 | * async.transformLimit(array, 2, {}, iterator, function(err, res) {
|
5081 | * console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 }
|
5082 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
5083 | * });
|
5084 | *
|
5085 | * @example
|
5086 | *
|
5087 | * // object with accumulator
|
5088 | * var order = [];
|
5089 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5090 | * var iterator = function(result, num, done) {
|
5091 | * setTimeout(function() {
|
5092 | * order.push(num);
|
5093 | * result.push(num);
|
5094 | * done();
|
5095 | * }, num * 10);
|
5096 | * };
|
5097 | * async.transformLimit(object, 2, [], iterator, function(err, res) {
|
5098 | * console.log(res); // [1, 3, 5, 2, 4]
|
5099 | * console.log(order); // [1, 3, 5, 2, 4]
|
5100 | * });
|
5101 | *
|
5102 | * @example
|
5103 | *
|
5104 | * // object with key
|
5105 | * var order = [];
|
5106 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5107 | * var iterator = function(result, num, key, done) {
|
5108 | * setTimeout(function() {
|
5109 | * order.push([num, key]);
|
5110 | * result[key] = num;
|
5111 | * done();
|
5112 | * }, num * 10);
|
5113 | * };
|
5114 | * async.transformLimit(object, 2, iterator, function(err, res) {
|
5115 | * console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5116 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
5117 | * });
|
5118 | *
|
5119 | */
|
5120 | function transformLimit(collection, limit, accumulator, iterator, callback) {
|
5121 | if (arguments.length === 4) {
|
5122 | callback = iterator;
|
5123 | iterator = accumulator;
|
5124 | accumulator = undefined;
|
5125 | }
|
5126 | callback = callback || noop;
|
5127 | var size, index, key, keys, iter, item, iterate, result;
|
5128 | var sync = false;
|
5129 | var started = 0;
|
5130 | var completed = 0;
|
5131 |
|
5132 | if (isArray(collection)) {
|
5133 | size = collection.length;
|
5134 | result = accumulator !== undefined ? accumulator : [];
|
5135 | iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator;
|
5136 | } else if (!collection) {
|
5137 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
5138 | size = collection.size;
|
5139 | iter = collection[iteratorSymbol]();
|
5140 | result = accumulator !== undefined ? accumulator : {};
|
5141 | iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator;
|
5142 | } else if (typeof collection === obj) {
|
5143 | keys = nativeKeys(collection);
|
5144 | size = keys.length;
|
5145 | result = accumulator !== undefined ? accumulator : {};
|
5146 | iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator;
|
5147 | }
|
5148 | if (!size || isNaN(limit) || limit < 1) {
|
5149 | return callback(null, accumulator !== undefined ? accumulator : result || {});
|
5150 | }
|
5151 | timesSync(limit > size ? size : limit, iterate);
|
5152 |
|
5153 | function arrayIterator() {
|
5154 | index = started++;
|
5155 | if (index < size) {
|
5156 | iterator(result, collection[index], onlyOnce(done));
|
5157 | }
|
5158 | }
|
5159 |
|
5160 | function arrayIteratorWithIndex() {
|
5161 | index = started++;
|
5162 | if (index < size) {
|
5163 | iterator(result, collection[index], index, onlyOnce(done));
|
5164 | }
|
5165 | }
|
5166 |
|
5167 | function symbolIterator() {
|
5168 | if ((item = iter.next()).done === false) {
|
5169 | iterator(result, item.value, onlyOnce(done));
|
5170 | }
|
5171 | }
|
5172 |
|
5173 | function symbolIteratorWithKey() {
|
5174 | if ((item = iter.next()).done === false) {
|
5175 | iterator(result, item.value, started++, onlyOnce(done));
|
5176 | }
|
5177 | }
|
5178 |
|
5179 | function objectIterator() {
|
5180 | index = started++;
|
5181 | if (index < size) {
|
5182 | iterator(result, collection[keys[index]], onlyOnce(done));
|
5183 | }
|
5184 | }
|
5185 |
|
5186 | function objectIteratorWithKey() {
|
5187 | index = started++;
|
5188 | if (index < size) {
|
5189 | key = keys[index];
|
5190 | iterator(result, collection[key], key, onlyOnce(done));
|
5191 | }
|
5192 | }
|
5193 |
|
5194 | function done(err, bool) {
|
5195 | if (err) {
|
5196 | iterate = noop;
|
5197 | callback(err, isArray(result) ? createArray(result) : objectClone(result));
|
5198 | callback = noop;
|
5199 | } else if (++completed === size) {
|
5200 | callback(null, result);
|
5201 | } else if (bool === false) {
|
5202 | iterate = noop;
|
5203 | callback(null, isArray(result) ? createArray(result) : objectClone(result));
|
5204 | callback = noop;
|
5205 | } else if (sync) {
|
5206 | nextTick(iterate);
|
5207 | } else {
|
5208 | sync = true;
|
5209 | iterate();
|
5210 | }
|
5211 | sync = false;
|
5212 | }
|
5213 | }
|
5214 |
|
5215 | /**
|
5216 | * @private
|
5217 | * @param {function} arrayEach
|
5218 | * @param {function} baseEach
|
5219 | * @param {function} symbolEach
|
5220 | */
|
5221 | function createSortBy(arrayEach, baseEach, symbolEach) {
|
5222 |
|
5223 | return function sortBy(collection, iterator, callback) {
|
5224 | callback = callback || noop;
|
5225 | var size, result;
|
5226 | var completed = 0;
|
5227 |
|
5228 | if (isArray(collection)) {
|
5229 | size = collection.length;
|
5230 | result = Array(size);
|
5231 | arrayEach(collection, iterator, createCallback);
|
5232 | } else if (!collection) {
|
5233 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
5234 | size = collection.size;
|
5235 | result = Array(size);
|
5236 | symbolEach(collection, iterator, createCallback);
|
5237 | } else if (typeof collection === obj) {
|
5238 | var keys = nativeKeys(collection);
|
5239 | size = keys.length;
|
5240 | result = Array(size);
|
5241 | baseEach(collection, iterator, createCallback, keys);
|
5242 | }
|
5243 | if (!size) {
|
5244 | callback(null, []);
|
5245 | }
|
5246 |
|
5247 | function createCallback(value) {
|
5248 | var called = false;
|
5249 | return function done(err, criteria) {
|
5250 | if (called) {
|
5251 | throwError();
|
5252 | }
|
5253 | called = true;
|
5254 | result[completed] = {
|
5255 | value: value,
|
5256 | criteria: criteria
|
5257 | };
|
5258 | if (err) {
|
5259 | callback = once(callback);
|
5260 | callback(err);
|
5261 | } else if (++completed === size) {
|
5262 | result.sort(sortIterator);
|
5263 | callback(null, pluck(result, 'value'));
|
5264 | }
|
5265 | };
|
5266 | }
|
5267 | };
|
5268 | }
|
5269 |
|
5270 | /**
|
5271 | * @memberof async
|
5272 | * @namespace sortBySeries
|
5273 | * @param {Array|Object} collection
|
5274 | * @param {Function} iterator
|
5275 | * @param {Function} callback
|
5276 | * @example
|
5277 | *
|
5278 | * // array
|
5279 | * var order = [];
|
5280 | * var array = [1, 3, 2];
|
5281 | * var iterator = function(num, done) {
|
5282 | * setTimeout(function() {
|
5283 | * order.push(num);
|
5284 | * done(null, num);
|
5285 | * }, num * 10);
|
5286 | * };
|
5287 | * async.sortBySeries(array, iterator, function(err, res) {
|
5288 | * console.log(res); // [1, 2, 3];
|
5289 | * console.log(order); // [1, 3, 2]
|
5290 | * });
|
5291 | *
|
5292 | * @example
|
5293 | *
|
5294 | * // array with index
|
5295 | * var order = [];
|
5296 | * var array = [1, 3, 2];
|
5297 | * var iterator = function(num, index, done) {
|
5298 | * setTimeout(function() {
|
5299 | * order.push([num, index]);
|
5300 | * done(null, num);
|
5301 | * }, num * 10);
|
5302 | * };
|
5303 | * async.sortBySeries(array, iterator, function(err, res) {
|
5304 | * console.log(res); // [1, 2, 3]
|
5305 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
|
5306 | * });
|
5307 | *
|
5308 | * @example
|
5309 | *
|
5310 | * // object
|
5311 | * var order = [];
|
5312 | * var object = { a: 1, b: 3, c: 2 };
|
5313 | * var iterator = function(num, done) {
|
5314 | * setTimeout(function() {
|
5315 | * order.push(num);
|
5316 | * done(null, num);
|
5317 | * }, num * 10);
|
5318 | * };
|
5319 | * async.sortBySeries(object, iterator, function(err, res) {
|
5320 | * console.log(res); // [1, 2, 3]
|
5321 | * console.log(order); // [1, 3, 2]
|
5322 | * });
|
5323 | *
|
5324 | * @example
|
5325 | *
|
5326 | * // object with key
|
5327 | * var order = [];
|
5328 | * var object = { a: 1, b: 3, c: 2 };
|
5329 | * var iterator = function(num, key, done) {
|
5330 | * setTimeout(function() {
|
5331 | * order.push([num, key]);
|
5332 | * done(null, num);
|
5333 | * }, num * 10);
|
5334 | * };
|
5335 | * async.sortBySeries(object, iterator, function(err, res) {
|
5336 | * console.log(res); // [1, 2, 3]
|
5337 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
|
5338 | * });
|
5339 | *
|
5340 | */
|
5341 | function sortBySeries(collection, iterator, callback) {
|
5342 | callback = onlyOnce(callback || noop);
|
5343 | var size, key, value, keys, iter, result, iterate;
|
5344 | var sync = false;
|
5345 | var completed = 0;
|
5346 |
|
5347 | if (isArray(collection)) {
|
5348 | size = collection.length;
|
5349 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
5350 | } else if (!collection) {
|
5351 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
5352 | size = collection.size;
|
5353 | iter = collection[iteratorSymbol]();
|
5354 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
5355 | } else if (typeof collection === obj) {
|
5356 | keys = nativeKeys(collection);
|
5357 | size = keys.length;
|
5358 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
5359 | }
|
5360 | if (!size) {
|
5361 | return callback(null, []);
|
5362 | }
|
5363 | result = Array(size);
|
5364 | iterate();
|
5365 |
|
5366 | function arrayIterator() {
|
5367 | value = collection[completed];
|
5368 | iterator(value, done);
|
5369 | }
|
5370 |
|
5371 | function arrayIteratorWithIndex() {
|
5372 | value = collection[completed];
|
5373 | iterator(value, completed, done);
|
5374 | }
|
5375 |
|
5376 | function symbolIterator() {
|
5377 | value = iter.next().value;
|
5378 | iterator(value, done);
|
5379 | }
|
5380 |
|
5381 | function symbolIteratorWithKey() {
|
5382 | value = iter.next().value;
|
5383 | iterator(value, completed, done);
|
5384 | }
|
5385 |
|
5386 | function objectIterator() {
|
5387 | value = collection[keys[completed]];
|
5388 | iterator(value, done);
|
5389 | }
|
5390 |
|
5391 | function objectIteratorWithKey() {
|
5392 | key = keys[completed];
|
5393 | value = collection[key];
|
5394 | iterator(value, key, done);
|
5395 | }
|
5396 |
|
5397 | function done(err, criteria) {
|
5398 | result[completed] = {
|
5399 | value: value,
|
5400 | criteria: criteria
|
5401 | };
|
5402 | if (err) {
|
5403 | callback(err);
|
5404 | } else if (++completed === size) {
|
5405 | iterate = throwError;
|
5406 | result.sort(sortIterator);
|
5407 | callback(null, pluck(result, 'value'));
|
5408 | } else if (sync) {
|
5409 | nextTick(iterate);
|
5410 | } else {
|
5411 | sync = true;
|
5412 | iterate();
|
5413 | }
|
5414 | sync = false;
|
5415 | }
|
5416 | }
|
5417 |
|
5418 | /**
|
5419 | * @memberof async
|
5420 | * @namespace sortByLimit
|
5421 | * @param {Array|Object} collection
|
5422 | * @param {number} limit - limit >= 1
|
5423 | * @param {Function} iterator
|
5424 | * @param {Function} callback
|
5425 | * @example
|
5426 | *
|
5427 | * // array
|
5428 | * var order = [];
|
5429 | * var array = [1, 5, 3, 4, 2];
|
5430 | * var iterator = function(num, done) {
|
5431 | * setTimeout(function() {
|
5432 | * order.push(num);
|
5433 | * done(null, num);
|
5434 | * }, num * 10);
|
5435 | * };
|
5436 | * async.sortByLimit(array, 2, iterator, function(err, res) {
|
5437 | * console.log(res); // [1, 2, 3, 4, 5]
|
5438 | * console.log(order); // [1, 3, 5, 2, 4]
|
5439 | * });
|
5440 | *
|
5441 | * @example
|
5442 | *
|
5443 | * // array with index
|
5444 | * var order = [];
|
5445 | * var array = [1, 5, 3, 4, 2];
|
5446 | * var iterator = function(num, index, done) {
|
5447 | * setTimeout(function() {
|
5448 | * order.push([num, index]);
|
5449 | * done(null, num);
|
5450 | * }, num * 10);
|
5451 | * };
|
5452 | * async.sortByLimit(array, 2, iterator, function(err, res) {
|
5453 | * console.log(res); // [1, 2, 3, 4, 5]
|
5454 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
5455 | * });
|
5456 | *
|
5457 | * @example
|
5458 | *
|
5459 | * // object
|
5460 | * var order = [];
|
5461 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5462 | * var iterator = function(num, done) {
|
5463 | * setTimeout(function() {
|
5464 | * order.push(num);
|
5465 | * done(null, num);
|
5466 | * }, num * 10);
|
5467 | * };
|
5468 | * async.sortByLimit(object, 2, iterator, function(err, res) {
|
5469 | * console.log(res); // [1, 2, 3, 4, 5]
|
5470 | * console.log(order); // [1, 3, 5, 2, 4]
|
5471 | * });
|
5472 | *
|
5473 | * @example
|
5474 | *
|
5475 | * // object with key
|
5476 | * var order = [];
|
5477 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5478 | * var iterator = function(num, key, done) {
|
5479 | * setTimeout(function() {
|
5480 | * order.push([num, key]);
|
5481 | * done(null, num);
|
5482 | * }, num * 10);
|
5483 | * };
|
5484 | * async.sortByLimit(object, 2, iterator, function(err, res) {
|
5485 | * console.log(res); // [1, 2, 3, 4, 5]
|
5486 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
5487 | * });
|
5488 | *
|
5489 | */
|
5490 | function sortByLimit(collection, limit, iterator, callback) {
|
5491 | callback = callback || noop;
|
5492 | var size, index, key, value, keys, iter, item, result, iterate;
|
5493 | var sync = false;
|
5494 | var started = 0;
|
5495 | var completed = 0;
|
5496 |
|
5497 | if (isArray(collection)) {
|
5498 | size = collection.length;
|
5499 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
5500 | } else if (!collection) {
|
5501 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
5502 | size = collection.size;
|
5503 | iter = collection[iteratorSymbol]();
|
5504 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
5505 | } else if (typeof collection === obj) {
|
5506 | keys = nativeKeys(collection);
|
5507 | size = keys.length;
|
5508 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
5509 | }
|
5510 | if (!size || isNaN(limit) || limit < 1) {
|
5511 | return callback(null, []);
|
5512 | }
|
5513 | result = Array(size);
|
5514 | timesSync(limit > size ? size : limit, iterate);
|
5515 |
|
5516 | function arrayIterator() {
|
5517 | if (started < size) {
|
5518 | value = collection[started++];
|
5519 | iterator(value, createCallback(value));
|
5520 | }
|
5521 | }
|
5522 |
|
5523 | function arrayIteratorWithIndex() {
|
5524 | index = started++;
|
5525 | if (index < size) {
|
5526 | value = collection[index];
|
5527 | iterator(value, index, createCallback(value));
|
5528 | }
|
5529 | }
|
5530 |
|
5531 | function symbolIterator() {
|
5532 | if ((item = iter.next()).done === false) {
|
5533 | value = item.value;
|
5534 | iterator(value, createCallback(value));
|
5535 | }
|
5536 | }
|
5537 |
|
5538 | function symbolIteratorWithKey() {
|
5539 | if ((item = iter.next()).done === false) {
|
5540 | value = item.value;
|
5541 | iterator(value, started++, createCallback(value));
|
5542 | }
|
5543 | }
|
5544 |
|
5545 | function objectIterator() {
|
5546 | if (started < size) {
|
5547 | value = collection[keys[started++]];
|
5548 | iterator(value, createCallback(value));
|
5549 | }
|
5550 | }
|
5551 |
|
5552 | function objectIteratorWithKey() {
|
5553 | if (started < size) {
|
5554 | key = keys[started++];
|
5555 | value = collection[key];
|
5556 | iterator(value, key, createCallback(value));
|
5557 | }
|
5558 | }
|
5559 |
|
5560 | function createCallback(value) {
|
5561 | var called = false;
|
5562 | return function(err, criteria) {
|
5563 | if (called) {
|
5564 | throwError();
|
5565 | }
|
5566 | called = true;
|
5567 | result[completed] = {
|
5568 | value: value,
|
5569 | criteria: criteria
|
5570 | };
|
5571 | if (err) {
|
5572 | iterate = noop;
|
5573 | callback(err);
|
5574 | callback = noop;
|
5575 | } else if (++completed === size) {
|
5576 | result.sort(sortIterator);
|
5577 | callback(null, pluck(result, 'value'));
|
5578 | } else if (sync) {
|
5579 | nextTick(iterate);
|
5580 | } else {
|
5581 | sync = true;
|
5582 | iterate();
|
5583 | }
|
5584 | sync = false;
|
5585 | };
|
5586 | }
|
5587 | }
|
5588 |
|
5589 | /**
|
5590 | * @memberof async
|
5591 | * @namespace some
|
5592 | * @param {Array|Object} collection
|
5593 | * @param {Function} iterator
|
5594 | * @param {Function} callback
|
5595 | * @example
|
5596 | *
|
5597 | * // array
|
5598 | * var order = [];
|
5599 | * var array = [1, 3, 2];
|
5600 | * var iterator = function(num, done) {
|
5601 | * setTimeout(function() {
|
5602 | * order.push(num);
|
5603 | * done(null, num % 2);
|
5604 | * }, num * 10);
|
5605 | * };
|
5606 | * async.some(array, iterator, function(err, res) {
|
5607 | * console.log(res); // true
|
5608 | * console.log(order); // [1]
|
5609 | * });
|
5610 | *
|
5611 | * @example
|
5612 | *
|
5613 | * // array with index
|
5614 | * var order = [];
|
5615 | * var array = [1, 3, 2];
|
5616 | * var iterator = function(num, index, done) {
|
5617 | * setTimeout(function() {
|
5618 | * order.push([num, index]);
|
5619 | * done(null, num % 2);
|
5620 | * }, num * 10);
|
5621 | * };
|
5622 | * async.some(array, iterator, function(err, res) {
|
5623 | * console.log(res); // true
|
5624 | * console.log(order); // [[1, 0]]
|
5625 | * });
|
5626 | *
|
5627 | * @example
|
5628 | *
|
5629 | * // object
|
5630 | * var order = [];
|
5631 | * var object = { a: 1, b: 3, c: 2 };
|
5632 | * var iterator = function(num, done) {
|
5633 | * setTimeout(function() {
|
5634 | * order.push(num);
|
5635 | * done(null, num % 2);
|
5636 | * }, num * 10);
|
5637 | * };
|
5638 | * async.some(object, iterator, function(err, res) {
|
5639 | * console.log(res); // true
|
5640 | * console.log(order); // [1]
|
5641 | * });
|
5642 | *
|
5643 | * @example
|
5644 | *
|
5645 | * // object with key
|
5646 | * var order = [];
|
5647 | * var object = { a: 1, b: 3, c: 2 };
|
5648 | * var iterator = function(num, key, done) {
|
5649 | * setTimeout(function() {
|
5650 | * order.push([num, key]);
|
5651 | * done(null, num % 2);
|
5652 | * }, num * 10);
|
5653 | * };
|
5654 | * async.some(object, iterator, function(err, res) {
|
5655 | * console.log(res); // true
|
5656 | * console.log(order); // [[1, 'a']]
|
5657 | * });
|
5658 | *
|
5659 | */
|
5660 | function some(collection, iterator, callback) {
|
5661 | callback = callback || noop;
|
5662 | detect(collection, iterator, done);
|
5663 |
|
5664 | function done(err, res) {
|
5665 | if (err) {
|
5666 | return callback(err);
|
5667 | }
|
5668 | callback(null, !!res);
|
5669 | }
|
5670 | }
|
5671 |
|
5672 | /**
|
5673 | * @memberof async
|
5674 | * @namespace someSeries
|
5675 | * @param {Array|Object} collection
|
5676 | * @param {Function} iterator
|
5677 | * @param {Function} callback
|
5678 | * @example
|
5679 | *
|
5680 | * // array
|
5681 | * var order = [];
|
5682 | * var array = [1, 3, 2];
|
5683 | * var iterator = function(num, done) {
|
5684 | * setTimeout(function() {
|
5685 | * order.push(num);
|
5686 | * done(null, num % 2);
|
5687 | * }, num * 10);
|
5688 | * };
|
5689 | * async.someSeries(array, iterator, function(err, res) {
|
5690 | * console.log(res); // true
|
5691 | * console.log(order); // [1]
|
5692 | * });
|
5693 | *
|
5694 | * @example
|
5695 | *
|
5696 | * // array with index
|
5697 | * var order = [];
|
5698 | * var array = [1, 3, 2];
|
5699 | * var iterator = function(num, index, done) {
|
5700 | * setTimeout(function() {
|
5701 | * order.push([num, index]);
|
5702 | * done(null, num % 2);
|
5703 | * }, num * 10);
|
5704 | * };
|
5705 | * async.someSeries(array, iterator, function(err, res) {
|
5706 | * console.log(res); // true
|
5707 | * console.log(order); // [[1, 0]]
|
5708 | * });
|
5709 | *
|
5710 | * @example
|
5711 | *
|
5712 | * // object
|
5713 | * var order = [];
|
5714 | * var object = { a: 1, b: 3, c: 2 };
|
5715 | * var iterator = function(num, done) {
|
5716 | * setTimeout(function() {
|
5717 | * order.push(num);
|
5718 | * done(null, num % 2);
|
5719 | * }, num * 10);
|
5720 | * };
|
5721 | * async.someSeries(object, iterator, function(err, res) {
|
5722 | * console.log(res); // true
|
5723 | * console.log(order); // [1]
|
5724 | * });
|
5725 | *
|
5726 | * @example
|
5727 | *
|
5728 | * // object with key
|
5729 | * var order = [];
|
5730 | * var object = { a: 1, b: 3, c: 2 };
|
5731 | * var iterator = function(num, key, done) {
|
5732 | * setTimeout(function() {
|
5733 | * order.push([num, key]);
|
5734 | * done(null, num % 2);
|
5735 | * }, num * 10);
|
5736 | * };
|
5737 | * async.someSeries(object, iterator, function(err, res) {
|
5738 | * console.log(res); // true
|
5739 | * console.log(order); // [[1, 'a']]
|
5740 | * });
|
5741 | *
|
5742 | */
|
5743 | function someSeries(collection, iterator, callback) {
|
5744 | callback = callback || noop;
|
5745 | detectSeries(collection, iterator, done);
|
5746 |
|
5747 | function done(err, res) {
|
5748 | if (err) {
|
5749 | return callback(err);
|
5750 | }
|
5751 | callback(null, !!res);
|
5752 | }
|
5753 | }
|
5754 |
|
5755 | /**
|
5756 | * @memberof async
|
5757 | * @namespace someLimit
|
5758 | * @param {Array|Object} collection
|
5759 | * @param {number} limit - limit >= 1
|
5760 | * @param {Function} iterator
|
5761 | * @param {Function} callback
|
5762 | * @example
|
5763 | *
|
5764 | * // array
|
5765 | * var order = [];
|
5766 | * var array = [1, 5, 3, 4, 2];
|
5767 | * var iterator = function(num, done) {
|
5768 | * setTimeout(function() {
|
5769 | * order.push(num);
|
5770 | * done(null, num % 2);
|
5771 | * }, num * 10);
|
5772 | * };
|
5773 | * async.someLimit(array, 2, iterator, function(err, res) {
|
5774 | * console.log(res); // true
|
5775 | * console.log(order); // [1]
|
5776 | * });
|
5777 | *
|
5778 | * @example
|
5779 | *
|
5780 | * // array with index
|
5781 | * var order = [];
|
5782 | * var array = [1, 5, 3, 4, 2];
|
5783 | * var iterator = function(num, index, done) {
|
5784 | * setTimeout(function() {
|
5785 | * order.push([num, index]);
|
5786 | * done(null, num % 2);
|
5787 | * }, num * 10);
|
5788 | * };
|
5789 | * async.someLimit(array, 2, iterator, function(err, res) {
|
5790 | * console.log(res); // true
|
5791 | * console.log(order); // [[1, 0]]
|
5792 | * });
|
5793 | *
|
5794 | * @example
|
5795 | *
|
5796 | * // object
|
5797 | * var order = [];
|
5798 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5799 | * var iterator = function(num, done) {
|
5800 | * setTimeout(function() {
|
5801 | * order.push(num);
|
5802 | * done(null, num % 2);
|
5803 | * }, num * 10);
|
5804 | * };
|
5805 | * async.someLimit(object, 2, iterator, function(err, res) {
|
5806 | * console.log(res); // true
|
5807 | * console.log(order); // [1]
|
5808 | * });
|
5809 | *
|
5810 | * @example
|
5811 | *
|
5812 | * // object with key
|
5813 | * var order = [];
|
5814 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
5815 | * var iterator = function(num, key, done) {
|
5816 | * setTimeout(function() {
|
5817 | * order.push([num, key]);
|
5818 | * done(null, num % 2);
|
5819 | * }, num * 10);
|
5820 | * };
|
5821 | * async.someLimit(object, 2, iterator, function(err, res) {
|
5822 | * console.log(res); // true
|
5823 | * console.log(order); // [[1, 'a']]
|
5824 | * });
|
5825 | *
|
5826 | */
|
5827 | function someLimit(collection, limit, iterator, callback) {
|
5828 | callback = callback || noop;
|
5829 | detectLimit(collection, limit, iterator, done);
|
5830 |
|
5831 | function done(err, res) {
|
5832 | if (err) {
|
5833 | return callback(err);
|
5834 | }
|
5835 | callback(null, !!res);
|
5836 | }
|
5837 | }
|
5838 |
|
5839 | /**
|
5840 | * @private
|
5841 | * @param {Function} arrayEach
|
5842 | * @param {Function} baseEach
|
5843 | * @param {Function} symbolEach
|
5844 | */
|
5845 | function createEvery(arrayEach, baseEach, symbolEach) {
|
5846 |
|
5847 | var deny = createDetect(arrayEach, baseEach, symbolEach, false);
|
5848 |
|
5849 | return function every(collection, iterator, callback) {
|
5850 | callback = callback || noop;
|
5851 | deny(collection, iterator, done);
|
5852 |
|
5853 | function done(err, res) {
|
5854 | if (err) {
|
5855 | return callback(err);
|
5856 | }
|
5857 | callback(null, !res);
|
5858 | }
|
5859 | };
|
5860 | }
|
5861 |
|
5862 | /**
|
5863 | * @private
|
5864 | */
|
5865 | function createEverySeries() {
|
5866 |
|
5867 | var denySeries = createDetectSeries(false);
|
5868 |
|
5869 | return function everySeries(collection, iterator, callback) {
|
5870 | callback = callback || noop;
|
5871 | denySeries(collection, iterator, done);
|
5872 |
|
5873 | function done(err, res) {
|
5874 | if (err) {
|
5875 | return callback(err);
|
5876 | }
|
5877 | callback(null, !res);
|
5878 | }
|
5879 | };
|
5880 | }
|
5881 |
|
5882 | /**
|
5883 | * @private
|
5884 | */
|
5885 | function createEveryLimit() {
|
5886 |
|
5887 | var denyLimit = createDetectLimit(false);
|
5888 |
|
5889 | return function everyLimit(collection, limit, iterator, callback) {
|
5890 | callback = callback || noop;
|
5891 | denyLimit(collection, limit, iterator, done);
|
5892 |
|
5893 | function done(err, res) {
|
5894 | if (err) {
|
5895 | return callback(err);
|
5896 | }
|
5897 | callback(null, !res);
|
5898 | }
|
5899 | };
|
5900 | }
|
5901 |
|
5902 | /**
|
5903 | * @private
|
5904 | * @param {Function} arrayEach
|
5905 | * @param {Function} baseEach
|
5906 | * @param {Function} symbolEach
|
5907 | */
|
5908 | function createConcat(arrayEach, baseEach, symbolEach) {
|
5909 |
|
5910 | return function concat(collection, iterator, callback) {
|
5911 | callback = callback || noop;
|
5912 | var size;
|
5913 | var completed = 0;
|
5914 | var result = [];
|
5915 |
|
5916 | if (isArray(collection)) {
|
5917 | size = collection.length;
|
5918 | arrayEach(collection, iterator, done);
|
5919 | } else if (!collection) {
|
5920 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
5921 | size = collection.size;
|
5922 | symbolEach(collection, iterator, done);
|
5923 | } else if (typeof collection === obj) {
|
5924 | var keys = nativeKeys(collection);
|
5925 | size = keys.length;
|
5926 | baseEach(collection, iterator, done, keys);
|
5927 | }
|
5928 | if (!size) {
|
5929 | callback(null, result);
|
5930 | }
|
5931 |
|
5932 | function done(err, array) {
|
5933 | if (array) {
|
5934 | Array.prototype.push.apply(result, isArray(array) ? array : [array]);
|
5935 | }
|
5936 | if (err) {
|
5937 | callback = once(callback);
|
5938 | callback(err, createArray(result));
|
5939 | } else if (++completed === size) {
|
5940 | callback(null, result);
|
5941 | }
|
5942 | }
|
5943 | };
|
5944 | }
|
5945 |
|
5946 | /**
|
5947 | * @memberof async
|
5948 | * @namespace concatSeries
|
5949 | * @param {Array|Object} collection
|
5950 | * @param {Function} iterator
|
5951 | * @param {Function} callback
|
5952 | * @example
|
5953 | *
|
5954 | * // array
|
5955 | * var order = [];
|
5956 | * var array = [1, 3, 2];
|
5957 | * var iterator = function(num, done) {
|
5958 | * setTimeout(function() {
|
5959 | * order.push(num);
|
5960 | * done(null, [num]);
|
5961 | * }, num * 10);
|
5962 | * };
|
5963 | * async.concatSeries(array, iterator, function(err, res) {
|
5964 | * console.log(res); // [1, 3, 2];
|
5965 | * console.log(order); // [1, 3, 2]
|
5966 | * });
|
5967 | *
|
5968 | * @example
|
5969 | *
|
5970 | * // array with index
|
5971 | * var order = [];
|
5972 | * var array = [1, 3, 2];
|
5973 | * var iterator = function(num, index, done) {
|
5974 | * setTimeout(function() {
|
5975 | * order.push([num, index]);
|
5976 | * done(null, [num]);
|
5977 | * }, num * 10);
|
5978 | * };
|
5979 | * async.concatSeries(array, iterator, function(err, res) {
|
5980 | * console.log(res); // [1, 3, 2]
|
5981 | * console.log(order); // [[1, 0], [3, 1], [2, 2]]
|
5982 | * });
|
5983 | *
|
5984 | * @example
|
5985 | *
|
5986 | * // object
|
5987 | * var order = [];
|
5988 | * var object = { a: 1, b: 3, c: 2 };
|
5989 | * var iterator = function(num, done) {
|
5990 | * setTimeout(function() {
|
5991 | * order.push(num);
|
5992 | * done(null, [num]);
|
5993 | * }, num * 10);
|
5994 | * };
|
5995 | * async.concatSeries(object, iterator, function(err, res) {
|
5996 | * console.log(res); // [1, 3, 2]
|
5997 | * console.log(order); // [1, 3, 2]
|
5998 | * });
|
5999 | *
|
6000 | * @example
|
6001 | *
|
6002 | * // object with key
|
6003 | * var order = [];
|
6004 | * var object = { a: 1, b: 3, c: 2 };
|
6005 | * var iterator = function(num, key, done) {
|
6006 | * setTimeout(function() {
|
6007 | * order.push([num, key]);
|
6008 | * done(null, [num]);
|
6009 | * }, num * 10);
|
6010 | * };
|
6011 | * async.concatSeries(object, iterator, function(err, res) {
|
6012 | * console.log(res); // [1, 3, 2]
|
6013 | * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']]
|
6014 | * });
|
6015 | *
|
6016 | */
|
6017 | function concatSeries(collection, iterator, callback) {
|
6018 | callback = onlyOnce(callback || noop);
|
6019 | var size, key, keys, iter, values, iterate;
|
6020 | var sync = false;
|
6021 | var result = [];
|
6022 | var completed = 0;
|
6023 |
|
6024 | if (isArray(collection)) {
|
6025 | size = collection.length;
|
6026 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
6027 | } else if (!collection) {
|
6028 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
6029 | size = collection.size;
|
6030 | iter = collection[iteratorSymbol]();
|
6031 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
6032 | } else if (typeof collection === obj) {
|
6033 | keys = nativeKeys(collection);
|
6034 | size = keys.length;
|
6035 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
6036 | }
|
6037 | if (!size) {
|
6038 | return callback(null, result);
|
6039 | }
|
6040 | iterate();
|
6041 |
|
6042 | function arrayIterator() {
|
6043 | iterator(collection[completed], done);
|
6044 | }
|
6045 |
|
6046 | function arrayIteratorWithIndex() {
|
6047 | iterator(collection[completed], completed, done);
|
6048 | }
|
6049 |
|
6050 | function symbolIterator() {
|
6051 | iterator(iter.next().value, done);
|
6052 | }
|
6053 |
|
6054 | function symbolIteratorWithKey() {
|
6055 | values = iter.next().value;
|
6056 | iterator(values, completed, done);
|
6057 | }
|
6058 |
|
6059 | function objectIterator() {
|
6060 | iterator(collection[keys[completed]], done);
|
6061 | }
|
6062 |
|
6063 | function objectIteratorWithKey() {
|
6064 | key = keys[completed];
|
6065 | iterator(collection[key], key, done);
|
6066 | }
|
6067 |
|
6068 | function done(err, array) {
|
6069 | if (array) {
|
6070 | Array.prototype.push.apply(result, isArray(array) ? array : [array]);
|
6071 | }
|
6072 | if (err) {
|
6073 | callback(err, result);
|
6074 | } else if (++completed === size) {
|
6075 | iterate = throwError;
|
6076 | callback(null, result);
|
6077 | } else if (sync) {
|
6078 | nextTick(iterate);
|
6079 | } else {
|
6080 | sync = true;
|
6081 | iterate();
|
6082 | }
|
6083 | sync = false;
|
6084 | }
|
6085 | }
|
6086 |
|
6087 | /**
|
6088 | * @memberof async
|
6089 | * @namespace concatLimit
|
6090 | * @param {Array|Object} collection
|
6091 | * @param {number} limit - limit >= 1
|
6092 | * @param {Function} iterator
|
6093 | * @param {Function} callback
|
6094 | * @example
|
6095 | *
|
6096 | * // array
|
6097 | * var order = [];
|
6098 | * var array = [1, 5, 3, 4, 2];
|
6099 | * var iterator = function(num, done) {
|
6100 | * setTimeout(function() {
|
6101 | * order.push(num);
|
6102 | * done(null, [num]);
|
6103 | * }, num * 10);
|
6104 | * };
|
6105 | * async.concatLimit(array, 2, iterator, function(err, res) {
|
6106 | * console.log(res); // [1, 3, 5, 2, 4]
|
6107 | * console.log(order); // [1, 3, 5, 2, 4]
|
6108 | * });
|
6109 | *
|
6110 | * @example
|
6111 | *
|
6112 | * // array with index
|
6113 | * var order = [];
|
6114 | * var array = [1, 5, 3, 4, 2];
|
6115 | * var iterator = function(num, index, done) {
|
6116 | * setTimeout(function() {
|
6117 | * order.push([num, index]);
|
6118 | * done(null, [num]);
|
6119 | * }, num * 10);
|
6120 | * };
|
6121 | * async.cocnatLimit(array, 2, iterator, function(err, res) {
|
6122 | * console.log(res); // [1, 3, 5, 2, 4]
|
6123 | * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]]
|
6124 | * });
|
6125 | *
|
6126 | * @example
|
6127 | *
|
6128 | * // object
|
6129 | * var order = [];
|
6130 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
6131 | * var iterator = function(num, done) {
|
6132 | * setTimeout(function() {
|
6133 | * order.push(num);
|
6134 | * done(null, [num]);
|
6135 | * }, num * 10);
|
6136 | * };
|
6137 | * async.concatLimit(object, 2, iterator, function(err, res) {
|
6138 | * console.log(res); // [1, 3, 5, 2, 4]
|
6139 | * console.log(order); // [1, 3, 5, 2, 4]
|
6140 | * });
|
6141 | *
|
6142 | * @example
|
6143 | *
|
6144 | * // object with key
|
6145 | * var order = [];
|
6146 | * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 };
|
6147 | * var iterator = function(num, key, done) {
|
6148 | * setTimeout(function() {
|
6149 | * order.push([num, key]);
|
6150 | * done(null, num);
|
6151 | * }, num * 10);
|
6152 | * };
|
6153 | * async.cocnatLimit(object, 2, iterator, function(err, res) {
|
6154 | * console.log(res); // [1, 3, 5, 2, 4]
|
6155 | * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']]
|
6156 | * });
|
6157 | *
|
6158 | */
|
6159 | function concatLimit(collection, limit, iterator, callback) {
|
6160 | callback = callback || noop;
|
6161 | var result = [];
|
6162 | var size, index, key, iter, item, iterate;
|
6163 | var sync = false;
|
6164 | var started = 0;
|
6165 | var completed = 0;
|
6166 |
|
6167 | if (isArray(collection)) {
|
6168 | size = collection.length;
|
6169 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
6170 | } else if (!collection) {
|
6171 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
6172 | size = collection.size;
|
6173 | iter = collection[iteratorSymbol]();
|
6174 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
6175 | } else if (typeof collection === obj) {
|
6176 | var keys = nativeKeys(collection);
|
6177 | size = keys.length;
|
6178 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
6179 | }
|
6180 | if (!size || isNaN(limit) || limit < 1) {
|
6181 | return callback(null, result);
|
6182 | }
|
6183 | timesSync(limit > size ? size : limit, iterate);
|
6184 |
|
6185 | function arrayIterator() {
|
6186 | if (started < size) {
|
6187 | iterator(collection[started++], onlyOnce(done));
|
6188 | }
|
6189 | }
|
6190 |
|
6191 | function arrayIteratorWithIndex() {
|
6192 | index = started++;
|
6193 | if (index < size) {
|
6194 | iterator(collection[index], index, onlyOnce(done));
|
6195 | }
|
6196 | }
|
6197 |
|
6198 | function symbolIterator() {
|
6199 | if ((item = iter.next()).done === false) {
|
6200 | iterator(item.value, onlyOnce(done));
|
6201 | }
|
6202 | }
|
6203 |
|
6204 | function symbolIteratorWithKey() {
|
6205 | if ((item = iter.next()).done === false) {
|
6206 | iterator(item.value, started++, onlyOnce(done));
|
6207 | }
|
6208 | }
|
6209 |
|
6210 | function objectIterator() {
|
6211 | if (started < size) {
|
6212 | iterator(collection[keys[started++]], onlyOnce(done));
|
6213 | }
|
6214 | }
|
6215 |
|
6216 | function objectIteratorWithKey() {
|
6217 | if (started < size) {
|
6218 | key = keys[started++];
|
6219 | iterator(collection[key], key, onlyOnce(done));
|
6220 | }
|
6221 | }
|
6222 |
|
6223 | function done(err, array) {
|
6224 | if (array) {
|
6225 | Array.prototype.push.apply(result, isArray(array) ? array : [array]);
|
6226 | }
|
6227 | if (err) {
|
6228 | iterate = noop;
|
6229 | callback = once(callback);
|
6230 | callback(err, result);
|
6231 | } else if (++completed === size) {
|
6232 | iterate = throwError;
|
6233 | callback = onlyOnce(callback);
|
6234 | callback(null, result);
|
6235 | } else if (sync) {
|
6236 | nextTick(iterate);
|
6237 | } else {
|
6238 | sync = true;
|
6239 | iterate();
|
6240 | }
|
6241 | sync = false;
|
6242 | }
|
6243 | }
|
6244 |
|
6245 | /**
|
6246 | * @private
|
6247 | * @param {Function} arrayEach
|
6248 | * @param {Function} baseEach
|
6249 | * @param {Function} symbolEach
|
6250 | */
|
6251 | function createGroupBy(arrayEach, baseEach, symbolEach) {
|
6252 |
|
6253 | return function groupBy(collection, iterator, callback) {
|
6254 | callback = callback || noop;
|
6255 | var size;
|
6256 | var completed = 0;
|
6257 | var result = {};
|
6258 |
|
6259 | if (isArray(collection)) {
|
6260 | size = collection.length;
|
6261 | arrayEach(collection, iterator, createCallback);
|
6262 | } else if (!collection) {
|
6263 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
6264 | size = collection.size;
|
6265 | symbolEach(collection, iterator, createCallback);
|
6266 | } else if (typeof collection === obj) {
|
6267 | var keys = nativeKeys(collection);
|
6268 | size = keys.length;
|
6269 | baseEach(collection, iterator, createCallback, keys);
|
6270 | }
|
6271 | if (!size) {
|
6272 | callback(null, {});
|
6273 | }
|
6274 |
|
6275 | function createCallback(value) {
|
6276 | var called = false;
|
6277 | return function done(err, key) {
|
6278 | if (called) {
|
6279 | throwError();
|
6280 | }
|
6281 | called = true;
|
6282 | if (err) {
|
6283 | callback = once(callback);
|
6284 | callback(err, objectClone(result));
|
6285 | return;
|
6286 | }
|
6287 | var array = result[key];
|
6288 | if (!array) {
|
6289 | array = result[key] = [value];
|
6290 | } else {
|
6291 | array.push(value);
|
6292 | }
|
6293 | if (++completed === size) {
|
6294 | callback(null, result);
|
6295 | }
|
6296 | };
|
6297 | }
|
6298 | };
|
6299 | }
|
6300 |
|
6301 | /**
|
6302 | * @memberof async
|
6303 | * @namespace groupBySeries
|
6304 | * @param {Array|Object} collection
|
6305 | * @param {Function} iterator
|
6306 | * @param {Function} callback
|
6307 | * @example
|
6308 | *
|
6309 | * // array
|
6310 | * var order = [];
|
6311 | * var array = [4.2, 6.4, 6.1];
|
6312 | * var iterator = function(num, done) {
|
6313 | * setTimeout(function() {
|
6314 | * order.push(num);
|
6315 | * done(null, Math.floor(num));
|
6316 | * }, num * 10);
|
6317 | * };
|
6318 | * async.groupBySeries(array, iterator, function(err, res) {
|
6319 | * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
|
6320 | * console.log(order); // [4.2, 6.4, 6.1]
|
6321 | * });
|
6322 | *
|
6323 | * @example
|
6324 | *
|
6325 | * // array with index
|
6326 | * var order = [];
|
6327 | * var array = [4.2, 6.4, 6.1];
|
6328 | * var iterator = function(num, index, done) {
|
6329 | * setTimeout(function() {
|
6330 | * order.push([num, index]);
|
6331 | * done(null, Math.floor(num));
|
6332 | * }, num * 10);
|
6333 | * };
|
6334 | * async.groupBySeries(array, iterator, function(err, res) {
|
6335 | * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
|
6336 | * console.log(order); // [[4.2, 0], [6.4, 1], [6.1, 2]]
|
6337 | * });
|
6338 | *
|
6339 | * @example
|
6340 | *
|
6341 | * // object
|
6342 | * var order = [];
|
6343 | * var object = { a: 4.2, b: 6.4, c: 6.1 };
|
6344 | * var iterator = function(num, done) {
|
6345 | * setTimeout(function() {
|
6346 | * order.push(num);
|
6347 | * done(null, Math.floor(num));
|
6348 | * }, num * 10);
|
6349 | * };
|
6350 | * async.groupBySeries(object, iterator, function(err, res) {
|
6351 | * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
|
6352 | * console.log(order); // [4.2, 6.4, 6.1]
|
6353 | * });
|
6354 | *
|
6355 | * @example
|
6356 | *
|
6357 | * // object with key
|
6358 | * var order = [];
|
6359 | * var object = { a: 4.2, b: 6.4, c: 6.1 };
|
6360 | * var iterator = function(num, key, done) {
|
6361 | * setTimeout(function() {
|
6362 | * order.push([num, key]);
|
6363 | * done(null, Math.floor(num));
|
6364 | * }, num * 10);
|
6365 | * };
|
6366 | * async.groupBySeries(object, iterator, function(err, res) {
|
6367 | * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] }
|
6368 | * console.log(order); // [[4.2, 'a'], [6.4, 'b'], [6.1, 'c']]
|
6369 | * });
|
6370 | *
|
6371 | */
|
6372 | function groupBySeries(collection, iterator, callback) {
|
6373 | callback = onlyOnce(callback || noop);
|
6374 | var size, key, value, keys, iter, iterate;
|
6375 | var sync = false;
|
6376 | var completed = 0;
|
6377 | var result = {};
|
6378 |
|
6379 | if (isArray(collection)) {
|
6380 | size = collection.length;
|
6381 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
6382 | } else if (!collection) {
|
6383 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
6384 | size = collection.size;
|
6385 | iter = collection[iteratorSymbol]();
|
6386 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
6387 | } else if (typeof collection === obj) {
|
6388 | keys = nativeKeys(collection);
|
6389 | size = keys.length;
|
6390 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
6391 | }
|
6392 | if (!size) {
|
6393 | return callback(null, result);
|
6394 | }
|
6395 | iterate();
|
6396 |
|
6397 | function arrayIterator() {
|
6398 | value = collection[completed];
|
6399 | iterator(value, done);
|
6400 | }
|
6401 |
|
6402 | function arrayIteratorWithIndex() {
|
6403 | value = collection[completed];
|
6404 | iterator(value, completed, done);
|
6405 | }
|
6406 |
|
6407 | function symbolIterator() {
|
6408 | value = iter.next().value;
|
6409 | iterator(value, done);
|
6410 | }
|
6411 |
|
6412 | function symbolIteratorWithKey() {
|
6413 | value = iter.next().value;
|
6414 | iterator(value, completed, done);
|
6415 | }
|
6416 |
|
6417 | function objectIterator() {
|
6418 | value = collection[keys[completed]];
|
6419 | iterator(value, done);
|
6420 | }
|
6421 |
|
6422 | function objectIteratorWithKey() {
|
6423 | key = keys[completed];
|
6424 | value = collection[key];
|
6425 | iterator(value, key, done);
|
6426 | }
|
6427 |
|
6428 | function done(err, key) {
|
6429 | if (err) {
|
6430 | iterate = throwError;
|
6431 | callback = onlyOnce(callback);
|
6432 | callback(err, objectClone(result));
|
6433 | return;
|
6434 | }
|
6435 | var array = result[key];
|
6436 | if (!array) {
|
6437 | array = result[key] = [value];
|
6438 | } else {
|
6439 | array.push(value);
|
6440 | }
|
6441 | if (++completed === size) {
|
6442 | iterate = throwError;
|
6443 | callback(null, result);
|
6444 | } else if (sync) {
|
6445 | nextTick(iterate);
|
6446 | } else {
|
6447 | sync = true;
|
6448 | iterate();
|
6449 | }
|
6450 | sync = false;
|
6451 | }
|
6452 | }
|
6453 |
|
6454 | /**
|
6455 | * @memberof async
|
6456 | * @namespace groupByLimit
|
6457 | * @param {Array|Object} collection
|
6458 | * @param {Function} iterator
|
6459 | * @param {Function} callback
|
6460 | * @example
|
6461 | *
|
6462 | * // array
|
6463 | * var order = [];
|
6464 | * var array = [1.1, 5.9, 3.2, 3.9, 2.1];
|
6465 | * var iterator = function(num, done) {
|
6466 | * setTimeout(function() {
|
6467 | * order.push(num);
|
6468 | * done(null, Math.floor(num));
|
6469 | * }, num * 10);
|
6470 | * };
|
6471 | * async.groupByLimit(array, 2, iterator, function(err, res) {
|
6472 | * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
|
6473 | * console.log(order); // [1.1, 3.2, 5.9, 2.1, 3.9]
|
6474 | * });
|
6475 | *
|
6476 | * @example
|
6477 | *
|
6478 | * // array with index
|
6479 | * var order = [];
|
6480 | * var array = [1.1, 5.9, 3.2, 3.9, 2.1];
|
6481 | * var iterator = function(num, index, done) {
|
6482 | * setTimeout(function() {
|
6483 | * order.push([num, index]);
|
6484 | * done(null, Math.floor(num));
|
6485 | * }, num * 10);
|
6486 | * };
|
6487 | * async.groupByLimit(array, 2, iterator, function(err, res) {
|
6488 | * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
|
6489 | * console.log(order); // [[1.1, 0], [3.2, 2], [5.9, 1], [2.1, 4], [3.9, 3]]
|
6490 | * });
|
6491 | *
|
6492 | * @example
|
6493 | *
|
6494 | * // object
|
6495 | * var order = [];
|
6496 | * var object = { a: 1.1, b: 5.9, c: 3.2, d: 3.9, e: 2.1 }
|
6497 | * var iterator = function(num, done) {
|
6498 | * setTimeout(function() {
|
6499 | * order.push(num);
|
6500 | * done(null, Math.floor(num));
|
6501 | * }, num * 10);
|
6502 | * };
|
6503 | * async.groupByLimit(object, 2, iterator, function(err, res) {
|
6504 | * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
|
6505 | * console.log(order); // [1.1, 3.2, 5.9, 2.1, 3.9]
|
6506 | * });
|
6507 | *
|
6508 | * @example
|
6509 | *
|
6510 | * // object with key
|
6511 | * var order = [];
|
6512 | * var object = { a: 1.1, b: 5.9, c: 3.2, d: 3.9, e: 2.1 }
|
6513 | * var iterator = function(num, key, done) {
|
6514 | * setTimeout(function() {
|
6515 | * order.push([num, key]);
|
6516 | * done(null, Math.floor(num));
|
6517 | * }, num * 10);
|
6518 | * };
|
6519 | * async.groupByLimit(object, 2, iterator, function(err, res) {
|
6520 | * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] }
|
6521 | * console.log(order); // [[1.1, 'a'], [3.2, 'c'], [5.9, 'b'], [2.1, 'e'], [3.9, 'd']]
|
6522 | * });
|
6523 | *
|
6524 | */
|
6525 | function groupByLimit(collection, limit, iterator, callback) {
|
6526 | callback = callback || noop;
|
6527 | var size, index, key, value, keys, iter, item, iterate;
|
6528 | var sync = false;
|
6529 | var started = 0;
|
6530 | var completed = 0;
|
6531 | var result = {};
|
6532 |
|
6533 | if (isArray(collection)) {
|
6534 | size = collection.length;
|
6535 | iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator;
|
6536 | } else if (!collection) {
|
6537 | } else if (iteratorSymbol && collection[iteratorSymbol]) {
|
6538 | size = collection.size;
|
6539 | iter = collection[iteratorSymbol]();
|
6540 | iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator;
|
6541 | } else if (typeof collection === obj) {
|
6542 | keys = nativeKeys(collection);
|
6543 | size = keys.length;
|
6544 | iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator;
|
6545 | }
|
6546 | if (!size || isNaN(limit) || limit < 1) {
|
6547 | return callback(null, result);
|
6548 | }
|
6549 | timesSync(limit > size ? size : limit, iterate);
|
6550 |
|
6551 | function arrayIterator() {
|
6552 | if (started < size) {
|
6553 | value = collection[started++];
|
6554 | iterator(value, createCallback(value));
|
6555 | }
|
6556 | }
|
6557 |
|
6558 | function arrayIteratorWithIndex() {
|
6559 | index = started++;
|
6560 | if (index < size) {
|
6561 | value = collection[index];
|
6562 | iterator(value, index, createCallback(value));
|
6563 | }
|
6564 | }
|
6565 |
|
6566 | function symbolIterator() {
|
6567 | if ((item = iter.next()).done === false) {
|
6568 | value = item.value;
|
6569 | iterator(value, createCallback(value));
|
6570 | }
|
6571 | }
|
6572 |
|
6573 | function symbolIteratorWithKey() {
|
6574 | if ((item = iter.next()).done === false) {
|
6575 | value = item.value;
|
6576 | iterator(value, started++, createCallback(value));
|
6577 | }
|
6578 | }
|
6579 |
|
6580 | function objectIterator() {
|
6581 | if (started < size) {
|
6582 | value = collection[keys[started++]];
|
6583 | iterator(value, createCallback(value));
|
6584 | }
|
6585 | }
|
6586 |
|
6587 | function objectIteratorWithKey() {
|
6588 | if (started < size) {
|
6589 | key = keys[started++];
|
6590 | value = collection[key];
|
6591 | iterator(value, key, createCallback(value));
|
6592 | }
|
6593 | }
|
6594 |
|
6595 | function createCallback(value) {
|
6596 | var called = false;
|
6597 | return function(err, key) {
|
6598 | if (called) {
|
6599 | throwError();
|
6600 | }
|
6601 | called = true;
|
6602 | if (err) {
|
6603 | iterate = noop;
|
6604 | callback = once(callback);
|
6605 | callback(err, objectClone(result));
|
6606 | return;
|
6607 | }
|
6608 | var array = result[key];
|
6609 | if (!array) {
|
6610 | result[key] = [value];
|
6611 | } else {
|
6612 | array.push(value);
|
6613 | }
|
6614 | if (++completed === size) {
|
6615 | callback(null, result);
|
6616 | } else if (sync) {
|
6617 | nextTick(iterate);
|
6618 | } else {
|
6619 | sync = true;
|
6620 | iterate();
|
6621 | }
|
6622 | sync = false;
|
6623 | };
|
6624 | }
|
6625 | }
|
6626 |
|
6627 | /**
|
6628 | * @private
|
6629 | * @param {Function} arrayEach
|
6630 | * @param {Function} baseEach
|
6631 | */
|
6632 | function createParallel(arrayEach, baseEach) {
|
6633 |
|
6634 | return function parallel(tasks, callback) {
|
6635 | callback = callback || noop;
|
6636 | var size, keys, result;
|
6637 | var completed = 0;
|
6638 |
|
6639 | if (isArray(tasks)) {
|
6640 | size = tasks.length;
|
6641 | result = Array(size);
|
6642 | arrayEach(tasks, createCallback);
|
6643 | } else if (tasks && typeof tasks === obj) {
|
6644 | keys = nativeKeys(tasks);
|
6645 | size = keys.length;
|
6646 | result = {};
|
6647 | baseEach(tasks, createCallback, keys);
|
6648 | }
|
6649 | if (!size) {
|
6650 | callback(null, result);
|
6651 | }
|
6652 |
|
6653 | function createCallback(key) {
|
6654 | return function(err, res) {
|
6655 | if (key === null) {
|
6656 | throwError();
|
6657 | }
|
6658 | if (err) {
|
6659 | key = null;
|
6660 | callback = once(callback);
|
6661 | callback(err, result);
|
6662 | return;
|
6663 | }
|
6664 | result[key] = arguments.length <= 2 ? res : slice(arguments, 1);
|
6665 | key = null;
|
6666 | if (++completed === size) {
|
6667 | callback(null, result);
|
6668 | }
|
6669 | };
|
6670 | }
|
6671 | };
|
6672 | }
|
6673 |
|
6674 | /**
|
6675 | * @memberof async
|
6676 | * @namespace series
|
6677 | * @param {Array|Object} tasks - functions
|
6678 | * @param {Function} callback
|
6679 | * @example
|
6680 | *
|
6681 | * var order = [];
|
6682 | * var tasks = [
|
6683 | * function(done) {
|
6684 | * setTimeout(function() {
|
6685 | * order.push(1);
|
6686 | * done(null, 1);
|
6687 | * }, 10);
|
6688 | * },
|
6689 | * function(done) {
|
6690 | * setTimeout(function() {
|
6691 | * order.push(2);
|
6692 | * done(null, 2);
|
6693 | * }, 30);
|
6694 | * },
|
6695 | * function(done) {
|
6696 | * setTimeout(function() {
|
6697 | * order.push(3);
|
6698 | * done(null, 3);
|
6699 | * }, 40);
|
6700 | * },
|
6701 | * function(done) {
|
6702 | * setTimeout(function() {
|
6703 | * order.push(4);
|
6704 | * done(null, 4);
|
6705 | * }, 20);
|
6706 | * }
|
6707 | * ];
|
6708 | * async.series(tasks, function(err, res) {
|
6709 | * console.log(res); // [1, 2, 3, 4];
|
6710 | * console.log(order); // [1, 2, 3, 4]
|
6711 | * });
|
6712 | *
|
6713 | * @example
|
6714 | *
|
6715 | * var order = [];
|
6716 | * var tasks = {
|
6717 | * 'a': function(done) {
|
6718 | * setTimeout(function() {
|
6719 | * order.push(1);
|
6720 | * done(null, 1);
|
6721 | * }, 10);
|
6722 | * },
|
6723 | * 'b': function(done) {
|
6724 | * setTimeout(function() {
|
6725 | * order.push(2);
|
6726 | * done(null, 2);
|
6727 | * }, 30);
|
6728 | * },
|
6729 | * 'c': function(done) {
|
6730 | * setTimeout(function() {
|
6731 | * order.push(3);
|
6732 | * done(null, 3);
|
6733 | * }, 40);
|
6734 | * },
|
6735 | * 'd': function(done) {
|
6736 | * setTimeout(function() {
|
6737 | * order.push(4);
|
6738 | * done(null, 4);
|
6739 | * }, 20);
|
6740 | * }
|
6741 | * };
|
6742 | * async.series(tasks, function(err, res) {
|
6743 | * console.log(res); // { a: 1, b: 2, c: 3, d:4 }
|
6744 | * console.log(order); // [1, 4, 2, 3]
|
6745 | * });
|
6746 | *
|
6747 | */
|
6748 | function series(tasks, callback) {
|
6749 | callback = callback || noop;
|
6750 | var size, key, keys, result, iterate;
|
6751 | var sync = false;
|
6752 | var completed = 0;
|
6753 |
|
6754 | if (isArray(tasks)) {
|
6755 | size = tasks.length;
|
6756 | result = Array(size);
|
6757 | iterate = arrayIterator;
|
6758 | } else if (tasks && typeof tasks === obj) {
|
6759 | keys = nativeKeys(tasks);
|
6760 | size = keys.length;
|
6761 | result = {};
|
6762 | iterate = objectIterator;
|
6763 | } else {
|
6764 | return callback(null);
|
6765 | }
|
6766 | if (!size) {
|
6767 | return callback(null, result);
|
6768 | }
|
6769 | iterate();
|
6770 |
|
6771 | function arrayIterator() {
|
6772 | key = completed;
|
6773 | tasks[completed](done);
|
6774 | }
|
6775 |
|
6776 | function objectIterator() {
|
6777 | key = keys[completed];
|
6778 | tasks[key](done);
|
6779 | }
|
6780 |
|
6781 | function done(err, res) {
|
6782 | if (err) {
|
6783 | iterate = throwError;
|
6784 | callback = onlyOnce(callback);
|
6785 | callback(err, result);
|
6786 | return;
|
6787 | }
|
6788 | result[key] = arguments.length <= 2 ? res : slice(arguments, 1);
|
6789 | if (++completed === size) {
|
6790 | iterate = throwError;
|
6791 | callback(null, result);
|
6792 | } else if (sync) {
|
6793 | nextTick(iterate);
|
6794 | } else {
|
6795 | sync = true;
|
6796 | iterate();
|
6797 | }
|
6798 | sync = false;
|
6799 | }
|
6800 | }
|
6801 |
|
6802 | /**
|
6803 | * @memberof async
|
6804 | * @namespace parallelLimit
|
6805 | * @param {Array|Object} tasks - functions
|
6806 | * @param {number} limit - limit >= 1
|
6807 | * @param {Function} callback
|
6808 | * @example
|
6809 | *
|
6810 | * var order = [];
|
6811 | * var tasks = [
|
6812 | * function(done) {
|
6813 | * setTimeout(function() {
|
6814 | * order.push(1);
|
6815 | * done(null, 1);
|
6816 | * }, 10);
|
6817 | * },
|
6818 | * function(done) {
|
6819 | * setTimeout(function() {
|
6820 | * order.push(2);
|
6821 | * done(null, 2);
|
6822 | * }, 50);
|
6823 | * },
|
6824 | * function(done) {
|
6825 | * setTimeout(function() {
|
6826 | * order.push(3);
|
6827 | * done(null, 3);
|
6828 | * }, 30);
|
6829 | * },
|
6830 | * function(done) {
|
6831 | * setTimeout(function() {
|
6832 | * order.push(4);
|
6833 | * done(null, 4);
|
6834 | * }, 40);
|
6835 | * }
|
6836 | * ];
|
6837 | * async.parallelLimit(tasks, 2, function(err, res) {
|
6838 | * console.log(res); // [1, 2, 3, 4];
|
6839 | * console.log(order); // [1, 3, 2, 4]
|
6840 | * });
|
6841 | *
|
6842 | * @example
|
6843 | *
|
6844 | * var order = [];
|
6845 | * var tasks = {
|
6846 | * 'a': function(done) {
|
6847 | * setTimeout(function() {
|
6848 | * order.push(1);
|
6849 | * done(null, 1);
|
6850 | * }, 10);
|
6851 | * },
|
6852 | * 'b': function(done) {
|
6853 | * setTimeout(function() {
|
6854 | * order.push(2);
|
6855 | * done(null, 2);
|
6856 | * }, 50);
|
6857 | * },
|
6858 | * 'c': function(done) {
|
6859 | * setTimeout(function() {
|
6860 | * order.push(3);
|
6861 | * done(null, 3);
|
6862 | * }, 20);
|
6863 | * },
|
6864 | * 'd': function(done) {
|
6865 | * setTimeout(function() {
|
6866 | * order.push(4);
|
6867 | * done(null, 4);
|
6868 | * }, 40);
|
6869 | * }
|
6870 | * };
|
6871 | * async.parallelLimit(tasks, 2, function(err, res) {
|
6872 | * console.log(res); // { a: 1, b: 2, c: 3, d:4 }
|
6873 | * console.log(order); // [1, 3, 2, 4]
|
6874 | * });
|
6875 | *
|
6876 | */
|
6877 | function parallelLimit(tasks, limit, callback) {
|
6878 | callback = callback || noop;
|
6879 | var size, index, key, keys, result, iterate;
|
6880 | var sync = false;
|
6881 | var started = 0;
|
6882 | var completed = 0;
|
6883 |
|
6884 | if (isArray(tasks)) {
|
6885 | size = tasks.length;
|
6886 | result = Array(size);
|
6887 | iterate = arrayIterator;
|
6888 | } else if (tasks && typeof tasks === obj) {
|
6889 | keys = nativeKeys(tasks);
|
6890 | size = keys.length;
|
6891 | result = {};
|
6892 | iterate = objectIterator;
|
6893 | }
|
6894 | if (!size || isNaN(limit) || limit < 1) {
|
6895 | return callback(null, result);
|
6896 | }
|
6897 | timesSync(limit > size ? size : limit, iterate);
|
6898 |
|
6899 | function arrayIterator() {
|
6900 | index = started++;
|
6901 | if (index < size) {
|
6902 | tasks[index](createCallback(index));
|
6903 | }
|
6904 | }
|
6905 |
|
6906 | function objectIterator() {
|
6907 | if (started < size) {
|
6908 | key = keys[started++];
|
6909 | tasks[key](createCallback(key));
|
6910 | }
|
6911 | }
|
6912 |
|
6913 | function createCallback(key) {
|
6914 | return function(err, res) {
|
6915 | if (key === null) {
|
6916 | throwError();
|
6917 | }
|
6918 | if (err) {
|
6919 | key = null;
|
6920 | iterate = noop;
|
6921 | callback = once(callback);
|
6922 | callback(err, result);
|
6923 | return;
|
6924 | }
|
6925 | result[key] = arguments.length <= 2 ? res : slice(arguments, 1);
|
6926 | key = null;
|
6927 | if (++completed === size) {
|
6928 | callback(null, result);
|
6929 | } else if (sync) {
|
6930 | nextTick(iterate);
|
6931 | } else {
|
6932 | sync = true;
|
6933 | iterate();
|
6934 | }
|
6935 | sync = false;
|
6936 | };
|
6937 | }
|
6938 | }
|
6939 |
|
6940 | /**
|
6941 | * check for waterfall tasks
|
6942 | * @private
|
6943 | * @param {Array} tasks
|
6944 | * @param {Function} callback
|
6945 | * @return {boolean}
|
6946 | */
|
6947 | function checkWaterfallTasks(tasks, callback) {
|
6948 | if (!isArray(tasks)) {
|
6949 | callback(new Error('First argument to waterfall must be an array of functions'));
|
6950 | return false;
|
6951 | }
|
6952 | if (tasks.length === 0) {
|
6953 | callback(null);
|
6954 | return false;
|
6955 | }
|
6956 | return true;
|
6957 | }
|
6958 |
|
6959 | /**
|
6960 | * @memberof async
|
6961 | * @namespace waterfall
|
6962 | * @param {Array} tasks - functions
|
6963 | * @param {Function} callback
|
6964 | * @example
|
6965 | *
|
6966 | * var order = [];
|
6967 | * var tasks = [
|
6968 | * function(next) {
|
6969 | * setTimeout(function() {
|
6970 | * order.push(1);
|
6971 | * next(null, 1);
|
6972 | * }, 10);
|
6973 | * },
|
6974 | * function(arg1, next) {
|
6975 | * setTimeout(function() {
|
6976 | * order.push(2);
|
6977 | * next(null, 1, 2);
|
6978 | * }, 30);
|
6979 | * },
|
6980 | * function(arg1, arg2, next) {
|
6981 | * setTimeout(function() {
|
6982 | * order.push(3);
|
6983 | * next(null, 3);
|
6984 | * }, 20);
|
6985 | * },
|
6986 | * function(arg1, next) {
|
6987 | * setTimeout(function() {
|
6988 | * order.push(4);
|
6989 | * next(null, 1, 2, 3, 4);
|
6990 | * }, 40);
|
6991 | * }
|
6992 | * ];
|
6993 | * async.waterfall(tasks, function(err, arg1, arg2, arg3, arg4) {
|
6994 | * console.log(arg1, arg2, arg3, arg4); // 1 2 3 4
|
6995 | * });
|
6996 | *
|
6997 | */
|
6998 | function waterfall(tasks, callback) {
|
6999 | callback = callback || noop;
|
7000 | if (!checkWaterfallTasks(tasks, callback)) {
|
7001 | return;
|
7002 | }
|
7003 | var done, called, sync;
|
7004 | var completed = 0;
|
7005 | var size = tasks.length;
|
7006 | var func = tasks[completed];
|
7007 | var args = [];
|
7008 | iterate();
|
7009 |
|
7010 | function iterate() {
|
7011 | called = false;
|
7012 | switch (args.length) {
|
7013 | case 0:
|
7014 | case 1:
|
7015 | return func(next);
|
7016 | case 2:
|
7017 | return func(args[1], next);
|
7018 | case 3:
|
7019 | return func(args[1], args[2], next);
|
7020 | case 4:
|
7021 | return func(args[1], args[2], args[3], next);
|
7022 | case 5:
|
7023 | return func(args[1], args[2], args[3], args[4], next);
|
7024 | case 6:
|
7025 | return func(args[1], args[2], args[3], args[4], args[5], next);
|
7026 | default:
|
7027 | args = slice(args, 1);
|
7028 | args.push(next);
|
7029 | return func.apply(null, args);
|
7030 | }
|
7031 | }
|
7032 |
|
7033 | function next(err, res) {
|
7034 | if (called) {
|
7035 | throwError();
|
7036 | }
|
7037 | called = true;
|
7038 | if (err) {
|
7039 | done = callback;
|
7040 | callback = throwError;
|
7041 | done(err);
|
7042 | return;
|
7043 | }
|
7044 | if (++completed === size) {
|
7045 | done = callback;
|
7046 | callback = throwError;
|
7047 | if (arguments.length <= 2) {
|
7048 | done(err, res);
|
7049 | } else {
|
7050 | done.apply(null, createArray(arguments));
|
7051 | }
|
7052 | return;
|
7053 | }
|
7054 | args = arguments;
|
7055 | func = tasks[completed] || throwError;
|
7056 | if (sync) {
|
7057 | nextTick(iterate);
|
7058 | } else {
|
7059 | sync = true;
|
7060 | iterate();
|
7061 | }
|
7062 | sync = false;
|
7063 | }
|
7064 | }
|
7065 |
|
7066 | /**
|
7067 | * `angelFall` is like `waterfall` and inject callback to last argument of next task.
|
7068 | *
|
7069 | * @memberof async
|
7070 | * @namespace angelFall
|
7071 | * @param {Array} tasks - functions
|
7072 | * @param {Function} callback
|
7073 | * @example
|
7074 | *
|
7075 | * var order = [];
|
7076 | * var tasks = [
|
7077 | * function(next) {
|
7078 | * setTimeout(function() {
|
7079 | * order.push(1);
|
7080 | * next(null, 1);
|
7081 | * }, 10);
|
7082 | * },
|
7083 | * function(arg1, empty, next) {
|
7084 | * setTimeout(function() {
|
7085 | * order.push(2);
|
7086 | * next(null, 1, 2);
|
7087 | * }, 30);
|
7088 | * },
|
7089 | * function(next) {
|
7090 | * setTimeout(function() {
|
7091 | * order.push(3);
|
7092 | * next(null, 3);
|
7093 | * }, 20);
|
7094 | * },
|
7095 | * function(arg1, empty1, empty2, empty3, next) {
|
7096 | * setTimeout(function() {
|
7097 | * order.push(4);
|
7098 | * next(null, 1, 2, 3, 4);
|
7099 | * }, 40);
|
7100 | * }
|
7101 | * ];
|
7102 | * async.angelFall(tasks, function(err, arg1, arg2, arg3, arg4) {
|
7103 | * console.log(arg1, arg2, arg3, arg4); // 1 2 3 4
|
7104 | * });
|
7105 | *
|
7106 | */
|
7107 | function angelFall(tasks, callback) {
|
7108 | callback = callback || noop;
|
7109 | if (!checkWaterfallTasks(tasks, callback)) {
|
7110 | return;
|
7111 | }
|
7112 | var completed = 0;
|
7113 | var sync = false;
|
7114 | var size = tasks.length;
|
7115 | var func = tasks[completed];
|
7116 | var args = [];
|
7117 | var iterate = function() {
|
7118 | switch (func.length) {
|
7119 | case 0:
|
7120 | try {
|
7121 | next(null, func());
|
7122 | } catch (e) {
|
7123 | next(e);
|
7124 | }
|
7125 | return;
|
7126 | case 1:
|
7127 | return func(next);
|
7128 | case 2:
|
7129 | return func(args[1], next);
|
7130 | case 3:
|
7131 | return func(args[1], args[2], next);
|
7132 | case 4:
|
7133 | return func(args[1], args[2], args[3], next);
|
7134 | case 5:
|
7135 | return func(args[1], args[2], args[3], args[4], next);
|
7136 | default:
|
7137 | args = slice(args, 1);
|
7138 | args[func.length - 1] = next;
|
7139 | return func.apply(null, args);
|
7140 | }
|
7141 | };
|
7142 | iterate();
|
7143 |
|
7144 | function next(err, res) {
|
7145 | if (err) {
|
7146 | iterate = throwError;
|
7147 | callback = onlyOnce(callback);
|
7148 | callback(err);
|
7149 | return;
|
7150 | }
|
7151 | if (++completed === size) {
|
7152 | iterate = throwError;
|
7153 | var done = callback;
|
7154 | callback = throwError;
|
7155 | if (arguments.length === 2) {
|
7156 | done(err, res);
|
7157 | } else {
|
7158 | done.apply(null, createArray(arguments));
|
7159 | }
|
7160 | return;
|
7161 | }
|
7162 | func = tasks[completed];
|
7163 | args = arguments;
|
7164 | if (sync) {
|
7165 | nextTick(iterate);
|
7166 | } else {
|
7167 | sync = true;
|
7168 | iterate();
|
7169 | }
|
7170 | sync = false;
|
7171 | }
|
7172 | }
|
7173 |
|
7174 | /**
|
7175 | * @memberof async
|
7176 | * @namespace whilst
|
7177 | * @param {Function} test
|
7178 | * @param {Function} iterator
|
7179 | * @param {Function} callback
|
7180 | */
|
7181 | function whilst(test, iterator, callback) {
|
7182 | callback = callback || noop;
|
7183 | var sync = false;
|
7184 | if (test()) {
|
7185 | iterate();
|
7186 | } else {
|
7187 | callback(null);
|
7188 | }
|
7189 |
|
7190 | function iterate() {
|
7191 | if (sync) {
|
7192 | nextTick(next);
|
7193 | } else {
|
7194 | sync = true;
|
7195 | iterator(done);
|
7196 | }
|
7197 | sync = false;
|
7198 | }
|
7199 |
|
7200 | function next() {
|
7201 | iterator(done);
|
7202 | }
|
7203 |
|
7204 | function done(err, arg) {
|
7205 | if (err) {
|
7206 | return callback(err);
|
7207 | }
|
7208 | if (arguments.length <= 2) {
|
7209 | if (test(arg)) {
|
7210 | iterate();
|
7211 | } else {
|
7212 | callback(null, arg);
|
7213 | }
|
7214 | return;
|
7215 | }
|
7216 | arg = slice(arguments, 1);
|
7217 | if (test.apply(null, arg)) {
|
7218 | iterate();
|
7219 | } else {
|
7220 | callback.apply(null, [null].concat(arg));
|
7221 | }
|
7222 | }
|
7223 | }
|
7224 |
|
7225 | /**
|
7226 | * @memberof async
|
7227 | * @namespace doWhilst
|
7228 | * @param {Function} iterator
|
7229 | * @param {Function} test
|
7230 | * @param {Function} callback
|
7231 | */
|
7232 | function doWhilst(iterator, test, callback) {
|
7233 | callback = callback || noop;
|
7234 | var sync = false;
|
7235 | next();
|
7236 |
|
7237 | function iterate() {
|
7238 | if (sync) {
|
7239 | nextTick(next);
|
7240 | } else {
|
7241 | sync = true;
|
7242 | iterator(done);
|
7243 | }
|
7244 | sync = false;
|
7245 | }
|
7246 |
|
7247 | function next() {
|
7248 | iterator(done);
|
7249 | }
|
7250 |
|
7251 | function done(err, arg) {
|
7252 | if (err) {
|
7253 | return callback(err);
|
7254 | }
|
7255 | if (arguments.length <= 2) {
|
7256 | if (test(arg)) {
|
7257 | iterate();
|
7258 | } else {
|
7259 | callback(null, arg);
|
7260 | }
|
7261 | return;
|
7262 | }
|
7263 | arg = slice(arguments, 1);
|
7264 | if (test.apply(null, arg)) {
|
7265 | iterate();
|
7266 | } else {
|
7267 | callback.apply(null, [null].concat(arg));
|
7268 | }
|
7269 | }
|
7270 | }
|
7271 |
|
7272 | /**
|
7273 | * @memberof async
|
7274 | * @namespace until
|
7275 | * @param {Function} test
|
7276 | * @param {Function} iterator
|
7277 | * @param {Function} callback
|
7278 | */
|
7279 | function until(test, iterator, callback) {
|
7280 | callback = callback || noop;
|
7281 | var sync = false;
|
7282 | if (!test()) {
|
7283 | iterate();
|
7284 | } else {
|
7285 | callback(null);
|
7286 | }
|
7287 |
|
7288 | function iterate() {
|
7289 | if (sync) {
|
7290 | nextTick(next);
|
7291 | } else {
|
7292 | sync = true;
|
7293 | iterator(done);
|
7294 | }
|
7295 | sync = false;
|
7296 | }
|
7297 |
|
7298 | function next() {
|
7299 | iterator(done);
|
7300 | }
|
7301 |
|
7302 | function done(err, arg) {
|
7303 | if (err) {
|
7304 | return callback(err);
|
7305 | }
|
7306 | if (arguments.length <= 2) {
|
7307 | if (!test(arg)) {
|
7308 | iterate();
|
7309 | } else {
|
7310 | callback(null, arg);
|
7311 | }
|
7312 | return;
|
7313 | }
|
7314 | arg = slice(arguments, 1);
|
7315 | if (!test.apply(null, arg)) {
|
7316 | iterate();
|
7317 | } else {
|
7318 | callback.apply(null, [null].concat(arg));
|
7319 | }
|
7320 | }
|
7321 | }
|
7322 |
|
7323 | /**
|
7324 | * @memberof async
|
7325 | * @namespace doUntil
|
7326 | * @param {Function} iterator
|
7327 | * @param {Function} test
|
7328 | * @param {Function} callback
|
7329 | */
|
7330 | function doUntil(iterator, test, callback) {
|
7331 | callback = callback || noop;
|
7332 | var sync = false;
|
7333 | next();
|
7334 |
|
7335 | function iterate() {
|
7336 | if (sync) {
|
7337 | nextTick(next);
|
7338 | } else {
|
7339 | sync = true;
|
7340 | iterator(done);
|
7341 | }
|
7342 | sync = false;
|
7343 | }
|
7344 |
|
7345 | function next() {
|
7346 | iterator(done);
|
7347 | }
|
7348 |
|
7349 | function done(err, arg) {
|
7350 | if (err) {
|
7351 | return callback(err);
|
7352 | }
|
7353 | if (arguments.length <= 2) {
|
7354 | if (!test(arg)) {
|
7355 | iterate();
|
7356 | } else {
|
7357 | callback(null, arg);
|
7358 | }
|
7359 | return;
|
7360 | }
|
7361 | arg = slice(arguments, 1);
|
7362 | if (!test.apply(null, arg)) {
|
7363 | iterate();
|
7364 | } else {
|
7365 | callback.apply(null, [null].concat(arg));
|
7366 | }
|
7367 | }
|
7368 | }
|
7369 |
|
7370 | /**
|
7371 | * @memberof async
|
7372 | * @namespace during
|
7373 | * @param {Function} test
|
7374 | * @param {Function} iterator
|
7375 | * @param {Function} callback
|
7376 | */
|
7377 | function during(test, iterator, callback) {
|
7378 | callback = callback || noop;
|
7379 | _test();
|
7380 |
|
7381 | function _test() {
|
7382 | test(iterate);
|
7383 | }
|
7384 |
|
7385 | function iterate(err, truth) {
|
7386 | if (err) {
|
7387 | return callback(err);
|
7388 | }
|
7389 | if (truth) {
|
7390 | iterator(done);
|
7391 | } else {
|
7392 | callback(null);
|
7393 | }
|
7394 | }
|
7395 |
|
7396 | function done(err) {
|
7397 | if (err) {
|
7398 | return callback(err);
|
7399 | }
|
7400 | _test();
|
7401 | }
|
7402 | }
|
7403 |
|
7404 | /**
|
7405 | * @memberof async
|
7406 | * @namespace doDuring
|
7407 | * @param {Function} test
|
7408 | * @param {Function} iterator
|
7409 | * @param {Function} callback
|
7410 | */
|
7411 | function doDuring(iterator, test, callback) {
|
7412 | callback = callback || noop;
|
7413 | iterate(null, true);
|
7414 |
|
7415 | function iterate(err, truth) {
|
7416 | if (err) {
|
7417 | return callback(err);
|
7418 | }
|
7419 | if (truth) {
|
7420 | iterator(done);
|
7421 | } else {
|
7422 | callback(null);
|
7423 | }
|
7424 | }
|
7425 |
|
7426 | function done(err, res) {
|
7427 | if (err) {
|
7428 | return callback(err);
|
7429 | }
|
7430 | switch (arguments.length) {
|
7431 | case 0:
|
7432 | case 1:
|
7433 | test(iterate);
|
7434 | break;
|
7435 | case 2:
|
7436 | test(res, iterate);
|
7437 | break;
|
7438 | default:
|
7439 | var args = slice(arguments, 1);
|
7440 | args.push(iterate);
|
7441 | test.apply(null, args);
|
7442 | break;
|
7443 | }
|
7444 | }
|
7445 | }
|
7446 |
|
7447 | /**
|
7448 | * @memberof async
|
7449 | * @namespace forever
|
7450 | */
|
7451 | function forever(iterator, callback) {
|
7452 | var sync = false;
|
7453 | iterate();
|
7454 |
|
7455 | function iterate() {
|
7456 | iterator(next);
|
7457 | }
|
7458 |
|
7459 | function next(err) {
|
7460 | if (err) {
|
7461 | if (callback) {
|
7462 | return callback(err);
|
7463 | }
|
7464 | throw err;
|
7465 | }
|
7466 | if (sync) {
|
7467 | nextTick(iterate);
|
7468 | } else {
|
7469 | sync = true;
|
7470 | iterate();
|
7471 | }
|
7472 | sync = false;
|
7473 | }
|
7474 | }
|
7475 |
|
7476 | /**
|
7477 | * @memberof async
|
7478 | * @namespace compose
|
7479 | */
|
7480 | function compose() {
|
7481 | return seq.apply(null, reverse(arguments));
|
7482 | }
|
7483 |
|
7484 | /**
|
7485 | * @memberof async
|
7486 | * @namespace seq
|
7487 | */
|
7488 | function seq( /* functions... */ ) {
|
7489 | var fns = createArray(arguments);
|
7490 |
|
7491 | return function() {
|
7492 |
|
7493 | var self = this;
|
7494 | var args = createArray(arguments);
|
7495 | var callback = args[args.length - 1];
|
7496 | if (typeof callback === func) {
|
7497 | args.pop();
|
7498 | } else {
|
7499 | callback = noop;
|
7500 | }
|
7501 | reduce(fns, args, iterator, done);
|
7502 |
|
7503 | function iterator(newargs, fn, callback) {
|
7504 | var func = function(err) {
|
7505 | var nextargs = slice(arguments, 1);
|
7506 | callback(err, nextargs);
|
7507 | };
|
7508 | newargs.push(func);
|
7509 | fn.apply(self, newargs);
|
7510 | }
|
7511 |
|
7512 | function done(err, res) {
|
7513 | res = isArray(res) ? res : [res];
|
7514 | res.unshift(err);
|
7515 | callback.apply(self, res);
|
7516 | }
|
7517 | };
|
7518 | }
|
7519 |
|
7520 | function createApplyEach(func) {
|
7521 |
|
7522 | return function applyEach(fns /* arguments */ ) {
|
7523 |
|
7524 | var go = function() {
|
7525 | var self = this;
|
7526 | var args = createArray(arguments);
|
7527 | var callback = args.pop() || noop;
|
7528 | return func(fns, iterator, callback);
|
7529 |
|
7530 | function iterator(fn, done) {
|
7531 | fn.apply(self, args.concat([done]));
|
7532 | }
|
7533 | };
|
7534 | if (arguments.length > 1) {
|
7535 | var args = slice(arguments, 1);
|
7536 | return go.apply(this, args);
|
7537 | } else {
|
7538 | return go;
|
7539 | }
|
7540 | };
|
7541 | }
|
7542 |
|
7543 | /**
|
7544 | * @see https://github.com/caolan/async/blob/master/lib/internal/DoublyLinkedList.js
|
7545 | */
|
7546 | function DLL() {
|
7547 | this.head = null;
|
7548 | this.tail = null;
|
7549 | this.length = 0;
|
7550 | }
|
7551 |
|
7552 | DLL.prototype._removeLink = function(node) {
|
7553 | this.head = node.next;
|
7554 | if (node.next) {
|
7555 | node.next.prev = node.prev;
|
7556 | } else {
|
7557 | this.tail = node.prev;
|
7558 | }
|
7559 | node.prev = null;
|
7560 | node.next = null;
|
7561 | this.length--;
|
7562 | return node;
|
7563 | };
|
7564 |
|
7565 | DLL.prototype.empty = DLL;
|
7566 |
|
7567 | DLL.prototype._setInitial = function(node) {
|
7568 | this.length = 1;
|
7569 | this.head = this.tail = node;
|
7570 | };
|
7571 |
|
7572 | DLL.prototype.insertBefore = function(node, newNode) {
|
7573 | newNode.prev = node.prev;
|
7574 | newNode.next = node;
|
7575 | if (node.prev) {
|
7576 | node.prev.next = newNode;
|
7577 | } else {
|
7578 | this.head = newNode;
|
7579 | }
|
7580 | node.prev = newNode;
|
7581 | this.length++;
|
7582 | };
|
7583 |
|
7584 | DLL.prototype.unshift = function(node) {
|
7585 | if (this.head) {
|
7586 | this.insertBefore(this.head, node);
|
7587 | } else {
|
7588 | this._setInitial(node);
|
7589 | }
|
7590 | };
|
7591 |
|
7592 | DLL.prototype.push = function(node) {
|
7593 | var tail = this.tail;
|
7594 | if (tail) {
|
7595 | node.prev = tail;
|
7596 | node.next = tail.next;
|
7597 | this.tail = node;
|
7598 | tail.next = node;
|
7599 | this.length++;
|
7600 | } else {
|
7601 | this._setInitial(node);
|
7602 | }
|
7603 | };
|
7604 |
|
7605 | DLL.prototype.shift = function() {
|
7606 | return this.head && this._removeLink(this.head);
|
7607 | };
|
7608 |
|
7609 | DLL.prototype.splice = function(end) {
|
7610 | var task;
|
7611 | var tasks = [];
|
7612 | while (end-- && (task = this.shift())) {
|
7613 | tasks.push(task);
|
7614 | }
|
7615 | return tasks;
|
7616 | };
|
7617 |
|
7618 | /**
|
7619 | * @private
|
7620 | */
|
7621 | function baseQueue(isQueue, worker, concurrency, payload) {
|
7622 | if (concurrency === undefined) {
|
7623 | concurrency = 1;
|
7624 | } else if (isNaN(concurrency) || concurrency < 1) {
|
7625 | throw new Error('Concurrency must not be zero');
|
7626 | }
|
7627 |
|
7628 | var workers = 0;
|
7629 | var workersList = [];
|
7630 | var _callback, _unshift;
|
7631 |
|
7632 | var q = {
|
7633 | _tasks: new DLL(),
|
7634 | concurrency: concurrency,
|
7635 | payload: payload,
|
7636 | saturated: noop,
|
7637 | unsaturated: noop,
|
7638 | buffer: concurrency / 4,
|
7639 | empty: noop,
|
7640 | drain: noop,
|
7641 | error: noop,
|
7642 | started: false,
|
7643 | paused: false,
|
7644 | push: push,
|
7645 | kill: kill,
|
7646 | unshift: unshift,
|
7647 | process: isQueue ? runQueue : runCargo,
|
7648 | length: getLength,
|
7649 | running: running,
|
7650 | workersList: getWorkersList,
|
7651 | idle: idle,
|
7652 | pause: pause,
|
7653 | resume: resume,
|
7654 | _worker: worker
|
7655 | };
|
7656 | return q;
|
7657 |
|
7658 | function push(tasks, callback) {
|
7659 | _insert(tasks, callback);
|
7660 | }
|
7661 |
|
7662 | function unshift(tasks, callback) {
|
7663 | _insert(tasks, callback, true);
|
7664 | }
|
7665 |
|
7666 | function _exec(task) {
|
7667 | var item = {
|
7668 | data: task,
|
7669 | callback: _callback
|
7670 | };
|
7671 | if (_unshift) {
|
7672 | q._tasks.unshift(item);
|
7673 | } else {
|
7674 | q._tasks.push(item);
|
7675 | }
|
7676 | nextTick(q.process);
|
7677 | }
|
7678 |
|
7679 | function _insert(tasks, callback, unshift) {
|
7680 | if (callback == null) {
|
7681 | callback = noop;
|
7682 | } else if (typeof callback !== 'function') {
|
7683 | throw new Error('task callback must be a function');
|
7684 | }
|
7685 | q.started = true;
|
7686 | var _tasks = isArray(tasks) ? tasks : [tasks];
|
7687 |
|
7688 | if (tasks === undefined || !_tasks.length) {
|
7689 | if (q.idle()) {
|
7690 | nextTick(q.drain);
|
7691 | }
|
7692 | return;
|
7693 | }
|
7694 |
|
7695 | _unshift = unshift;
|
7696 | _callback = callback;
|
7697 | arrayEachSync(_tasks, _exec);
|
7698 | }
|
7699 |
|
7700 | function kill() {
|
7701 | q.drain = noop;
|
7702 | q._tasks.empty();
|
7703 | }
|
7704 |
|
7705 | function _next(q, tasks) {
|
7706 | var called = false;
|
7707 | return function done(err, res) {
|
7708 | if (called) {
|
7709 | throwError();
|
7710 | }
|
7711 | called = true;
|
7712 |
|
7713 | workers--;
|
7714 | var task;
|
7715 | var index = -1;
|
7716 | var size = workersList.length;
|
7717 | var taskIndex = -1;
|
7718 | var taskSize = tasks.length;
|
7719 | var useApply = arguments.length > 2;
|
7720 | var args = useApply && createArray(arguments);
|
7721 | while (++taskIndex < taskSize) {
|
7722 | task = tasks[taskIndex];
|
7723 | while (++index < size) {
|
7724 | if (workersList[index] === task) {
|
7725 | workersList.splice(index, 1);
|
7726 | index = size;
|
7727 | size--;
|
7728 | }
|
7729 | }
|
7730 | index = -1;
|
7731 | if (useApply) {
|
7732 | task.callback.apply(task, args);
|
7733 | } else {
|
7734 | task.callback(err, res);
|
7735 | }
|
7736 | if (err) {
|
7737 | q.error(err, task.data);
|
7738 | }
|
7739 | }
|
7740 |
|
7741 | if (workers <= q.concurrency - q.buffer) {
|
7742 | q.unsaturated();
|
7743 | }
|
7744 |
|
7745 | if (q._tasks.length + workers === 0) {
|
7746 | q.drain();
|
7747 | }
|
7748 | q.process();
|
7749 | };
|
7750 | }
|
7751 |
|
7752 | function runQueue() {
|
7753 | while (!q.paused && workers < q.concurrency && q._tasks.length) {
|
7754 | var task = q._tasks.shift();
|
7755 | if (q._tasks.length === 0) {
|
7756 | q.empty();
|
7757 | }
|
7758 | workers++;
|
7759 | workersList.push(task);
|
7760 | if (workers === q.concurrency) {
|
7761 | q.saturated();
|
7762 | }
|
7763 | var done = _next(q, [task]);
|
7764 | worker(task.data, done);
|
7765 | }
|
7766 | }
|
7767 |
|
7768 | function runCargo() {
|
7769 | while (!q.paused && workers < q.concurrency && q._tasks.length) {
|
7770 | var tasks = q._tasks.splice(q.payload || q._tasks.length);
|
7771 | var index = -1;
|
7772 | var size = tasks.length;
|
7773 | var data = Array(size);
|
7774 | while (++index < size) {
|
7775 | data[index] = tasks[index].data;
|
7776 | }
|
7777 | if (q._tasks.length === 0) {
|
7778 | q.empty();
|
7779 | }
|
7780 | workers++;
|
7781 | Array.prototype.push.apply(workersList, tasks);
|
7782 | if (workers === q.concurrency) {
|
7783 | q.saturated();
|
7784 | }
|
7785 | var done = _next(q, tasks);
|
7786 | worker(data, done);
|
7787 | }
|
7788 | }
|
7789 |
|
7790 | function getLength() {
|
7791 | return q._tasks.length;
|
7792 | }
|
7793 |
|
7794 | function running() {
|
7795 | return workers;
|
7796 | }
|
7797 |
|
7798 | function getWorkersList() {
|
7799 | return workersList;
|
7800 | }
|
7801 |
|
7802 | function idle() {
|
7803 | return q.length() + workers === 0;
|
7804 | }
|
7805 |
|
7806 | function pause() {
|
7807 | q.paused = true;
|
7808 | }
|
7809 |
|
7810 | function _resume() {
|
7811 | nextTick(q.process);
|
7812 | }
|
7813 |
|
7814 | function resume() {
|
7815 | if (q.paused === false) {
|
7816 | return;
|
7817 | }
|
7818 | q.paused = false;
|
7819 | var count = q.concurrency < q._tasks.length ? q.concurrency : q._tasks.length;
|
7820 | timesSync(count, _resume);
|
7821 | }
|
7822 | }
|
7823 |
|
7824 | /**
|
7825 | * @memberof async
|
7826 | * @namespace queue
|
7827 | */
|
7828 | function queue(worker, concurrency) {
|
7829 | return baseQueue(true, worker, concurrency);
|
7830 | }
|
7831 |
|
7832 | /**
|
7833 | * @memberof async
|
7834 | * @namespace priorityQueue
|
7835 | */
|
7836 | function priorityQueue(worker, concurrency) {
|
7837 | var q = baseQueue(true, worker, concurrency);
|
7838 | q.push = push;
|
7839 | delete q.unshift;
|
7840 | return q;
|
7841 |
|
7842 | function push(tasks, priority, callback) {
|
7843 | q.started = true;
|
7844 | priority = priority || 0;
|
7845 | var _tasks = isArray(tasks) ? tasks : [tasks];
|
7846 | var taskSize = _tasks.length;
|
7847 |
|
7848 | if (tasks === undefined || taskSize === 0) {
|
7849 | if (q.idle()) {
|
7850 | nextTick(q.drain);
|
7851 | }
|
7852 | return;
|
7853 | }
|
7854 |
|
7855 | callback = typeof callback === func ? callback : noop;
|
7856 | var nextNode = q._tasks.head;
|
7857 | while (nextNode && priority >= nextNode.priority) {
|
7858 | nextNode = nextNode.next;
|
7859 | }
|
7860 | while (taskSize--) {
|
7861 | var item = {
|
7862 | data: _tasks[taskSize],
|
7863 | priority: priority,
|
7864 | callback: callback
|
7865 | };
|
7866 | if (nextNode) {
|
7867 | q._tasks.insertBefore(nextNode, item);
|
7868 | } else {
|
7869 | q._tasks.push(item);
|
7870 | }
|
7871 | nextTick(q.process);
|
7872 | }
|
7873 | }
|
7874 | }
|
7875 |
|
7876 | /**
|
7877 | * @memberof async
|
7878 | * @namespace cargo
|
7879 | */
|
7880 | function cargo(worker, payload) {
|
7881 | return baseQueue(false, worker, 1, payload);
|
7882 | }
|
7883 |
|
7884 | /**
|
7885 | * @memberof async
|
7886 | * @namespace auto
|
7887 | * @param {Object} tasks
|
7888 | * @param {number} [concurrency]
|
7889 | * @param {Function} [callback]
|
7890 | */
|
7891 | function auto(tasks, concurrency, callback) {
|
7892 | if (typeof concurrency === func) {
|
7893 | callback = concurrency;
|
7894 | concurrency = null;
|
7895 | }
|
7896 | var keys = nativeKeys(tasks);
|
7897 | var rest = keys.length;
|
7898 | var results = {};
|
7899 | if (rest === 0) {
|
7900 | return callback(null, results);
|
7901 | }
|
7902 | var runningTasks = 0;
|
7903 | var readyTasks = [];
|
7904 | var listeners = {};
|
7905 | callback = onlyOnce(callback || noop);
|
7906 | concurrency = concurrency || rest;
|
7907 |
|
7908 | baseEachSync(tasks, iterator, keys);
|
7909 | proceedQueue();
|
7910 |
|
7911 | function iterator(task, key) {
|
7912 | // no dependencies
|
7913 | var _task, _taskSize;
|
7914 | if (!isArray(task)) {
|
7915 | _task = task;
|
7916 | _taskSize = 0;
|
7917 | readyTasks.push([_task, _taskSize, done]);
|
7918 | return;
|
7919 | }
|
7920 | var dependencySize = task.length - 1;
|
7921 | _task = task[dependencySize];
|
7922 | _taskSize = dependencySize;
|
7923 | if (dependencySize === 0) {
|
7924 | readyTasks.push([_task, _taskSize, done]);
|
7925 | return;
|
7926 | }
|
7927 | // dependencies
|
7928 | var index = -1;
|
7929 | while (++index < dependencySize) {
|
7930 | var dependencyName = task[index];
|
7931 | if (notInclude(keys, dependencyName)) {
|
7932 | var msg = 'async.auto task `' + dependencyName + '` has non-existent dependency in ' + task.join(', ');
|
7933 | throw new Error(msg);
|
7934 | }
|
7935 | var taskListeners = listeners[dependencyName];
|
7936 | if (!taskListeners) {
|
7937 | taskListeners = listeners[dependencyName] = [];
|
7938 | }
|
7939 | taskListeners.push(taskListener);
|
7940 | }
|
7941 |
|
7942 | function done(err, arg) {
|
7943 | if (key === null) {
|
7944 | throwError();
|
7945 | }
|
7946 | runningTasks--;
|
7947 | rest--;
|
7948 | arg = arguments.length <= 2 ? arg : slice(arguments, 1);
|
7949 | if (err) {
|
7950 | var safeResults = objectClone(results);
|
7951 | safeResults[key] = arg;
|
7952 | key = null;
|
7953 | var _callback = callback;
|
7954 | callback = noop;
|
7955 | _callback(err, safeResults);
|
7956 | return;
|
7957 | }
|
7958 | results[key] = arg;
|
7959 | taskComplete(key);
|
7960 | key = null;
|
7961 | }
|
7962 |
|
7963 | function taskListener() {
|
7964 | if (--dependencySize === 0) {
|
7965 | readyTasks.push([_task, _taskSize, done]);
|
7966 | }
|
7967 | }
|
7968 | }
|
7969 |
|
7970 | function proceedQueue() {
|
7971 | if (readyTasks.length === 0 && runningTasks === 0) {
|
7972 | if (rest !== 0) {
|
7973 | throw new Error('async.auto task has cyclic dependencies');
|
7974 | }
|
7975 | return callback(null, results);
|
7976 | }
|
7977 | while (readyTasks.length && runningTasks < concurrency && callback !== noop) {
|
7978 | runningTasks++;
|
7979 | var array = readyTasks.shift();
|
7980 | if (array[1] === 0) {
|
7981 | array[0](array[2]);
|
7982 | } else {
|
7983 | array[0](results, array[2]);
|
7984 | }
|
7985 | }
|
7986 | }
|
7987 |
|
7988 | function taskComplete(key) {
|
7989 | var taskListeners = listeners[key] || [];
|
7990 | arrayEachSync(taskListeners, function(task) {
|
7991 | task();
|
7992 | });
|
7993 | proceedQueue();
|
7994 | }
|
7995 | }
|
7996 |
|
7997 | var FN_ARGS = /^(function)?\s*[^\(]*\(\s*([^\)]*)\)/m;
|
7998 | var FN_ARG_SPLIT = /,/;
|
7999 | var FN_ARG = /(=.+)?(\s*)$/;
|
8000 | var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
|
8001 |
|
8002 | /**
|
8003 | * parse function arguments for `autoInject`
|
8004 | *
|
8005 | * @private
|
8006 | */
|
8007 | function parseParams(func) {
|
8008 | func = func.toString().replace(STRIP_COMMENTS, '');
|
8009 | func = func.match(FN_ARGS)[2].replace(' ', '');
|
8010 | func = func ? func.split(FN_ARG_SPLIT) : [];
|
8011 | func = func.map(function (arg) {
|
8012 | return arg.replace(FN_ARG, '').trim();
|
8013 | });
|
8014 | return func;
|
8015 | }
|
8016 |
|
8017 | /**
|
8018 | * @memberof async
|
8019 | * @namespace autoInject
|
8020 | * @param {Object} tasks
|
8021 | * @param {number} [concurrency]
|
8022 | * @param {Function} [callback]
|
8023 | */
|
8024 | function autoInject(tasks, concurrency, callback) {
|
8025 | var newTasks = {};
|
8026 | baseEachSync(tasks, iterator, nativeKeys(tasks));
|
8027 | auto(newTasks, concurrency, callback);
|
8028 |
|
8029 | function iterator(task, key) {
|
8030 | var params;
|
8031 | var taskLength = task.length;
|
8032 |
|
8033 | if (isArray(task)) {
|
8034 | if (taskLength === 0) {
|
8035 | throw new Error('autoInject task functions require explicit parameters.');
|
8036 | }
|
8037 | params = createArray(task);
|
8038 | taskLength = params.length - 1;
|
8039 | task = params[taskLength];
|
8040 | if (taskLength === 0) {
|
8041 | newTasks[key] = task;
|
8042 | return;
|
8043 | }
|
8044 | } else if (taskLength === 1) {
|
8045 | newTasks[key] = task;
|
8046 | return;
|
8047 | } else {
|
8048 | params = parseParams(task);
|
8049 | if (taskLength === 0 && params.length === 0) {
|
8050 | throw new Error('autoInject task functions require explicit parameters.');
|
8051 | }
|
8052 | taskLength = params.length - 1;
|
8053 | }
|
8054 | params[taskLength] = newTask;
|
8055 | newTasks[key] = params;
|
8056 |
|
8057 | function newTask(results, done) {
|
8058 | switch (taskLength) {
|
8059 | case 1:
|
8060 | task(results[params[0]], done);
|
8061 | break;
|
8062 | case 2:
|
8063 | task(results[params[0]], results[params[1]], done);
|
8064 | break;
|
8065 | case 3:
|
8066 | task(results[params[0]], results[params[1]], results[params[2]], done);
|
8067 | break;
|
8068 | default:
|
8069 | var i = -1;
|
8070 | while(++i < taskLength) {
|
8071 | params[i] = results[params[i]];
|
8072 | }
|
8073 | params[i] = done;
|
8074 | task.apply(null, params);
|
8075 | break;
|
8076 | }
|
8077 | }
|
8078 | }
|
8079 | }
|
8080 |
|
8081 | /**
|
8082 | * @memberof async
|
8083 | * @namespace retry
|
8084 | * @param {integer|Object|Function} opts
|
8085 | * @param {Function} [task]
|
8086 | * @param {Function} [callback]
|
8087 | */
|
8088 | function retry(opts, task, callback) {
|
8089 | var times, intervalFunc, errorFilter;
|
8090 | var count = 0;
|
8091 | if (arguments.length < 3 && typeof opts === func) {
|
8092 | callback = task || noop;
|
8093 | task = opts;
|
8094 | opts = null;
|
8095 | times = DEFAULT_TIMES;
|
8096 | } else {
|
8097 | callback = callback || noop;
|
8098 | switch (typeof opts) {
|
8099 | case 'object':
|
8100 | if (typeof opts.errorFilter === func) {
|
8101 | errorFilter = opts.errorFilter;
|
8102 | }
|
8103 | var interval = opts.interval;
|
8104 | switch (typeof interval) {
|
8105 | case func:
|
8106 | intervalFunc = interval;
|
8107 | break;
|
8108 | case 'string':
|
8109 | case 'number':
|
8110 | interval = +interval;
|
8111 | intervalFunc = interval ? function() {
|
8112 | return interval;
|
8113 | } : function() {
|
8114 | return DEFAULT_INTERVAL;
|
8115 | };
|
8116 | break;
|
8117 | }
|
8118 | times = +opts.times || DEFAULT_TIMES;
|
8119 | break;
|
8120 | case 'number':
|
8121 | times = opts || DEFAULT_TIMES;
|
8122 | break;
|
8123 | case 'string':
|
8124 | times = +opts || DEFAULT_TIMES;
|
8125 | break;
|
8126 | default:
|
8127 | throw new Error('Invalid arguments for async.retry');
|
8128 | }
|
8129 | }
|
8130 | if (typeof task !== 'function') {
|
8131 | throw new Error('Invalid arguments for async.retry');
|
8132 | }
|
8133 |
|
8134 | if (intervalFunc) {
|
8135 | task(intervalCallback);
|
8136 | } else {
|
8137 | task(simpleCallback);
|
8138 | }
|
8139 |
|
8140 | function simpleIterator() {
|
8141 | task(simpleCallback);
|
8142 | }
|
8143 |
|
8144 | function simpleCallback(err, res) {
|
8145 | if (++count === times || !err || errorFilter && !errorFilter(err)) {
|
8146 | if (arguments.length <= 2) {
|
8147 | return callback(err, res);
|
8148 | }
|
8149 | var args = createArray(arguments);
|
8150 | return callback.apply(null, args);
|
8151 | }
|
8152 | simpleIterator();
|
8153 | }
|
8154 |
|
8155 | function intervalIterator() {
|
8156 | task(intervalCallback);
|
8157 | }
|
8158 |
|
8159 | function intervalCallback(err, res) {
|
8160 | if (++count === times || !err || errorFilter && !errorFilter(err)) {
|
8161 | if (arguments.length <= 2) {
|
8162 | return callback(err, res);
|
8163 | }
|
8164 | var args = createArray(arguments);
|
8165 | return callback.apply(null, args);
|
8166 | }
|
8167 | setTimeout(intervalIterator, intervalFunc(count));
|
8168 | }
|
8169 | }
|
8170 |
|
8171 | function retryable(opts, task) {
|
8172 | if (!task) {
|
8173 | task = opts;
|
8174 | opts = null;
|
8175 | }
|
8176 | return done;
|
8177 |
|
8178 | function done() {
|
8179 | var taskFn;
|
8180 | var args = createArray(arguments);
|
8181 | var lastIndex = args.length - 1;
|
8182 | var callback = args[lastIndex];
|
8183 | switch (task.length) {
|
8184 | case 1:
|
8185 | taskFn = task1;
|
8186 | break;
|
8187 | case 2:
|
8188 | taskFn = task2;
|
8189 | break;
|
8190 | case 3:
|
8191 | taskFn = task3;
|
8192 | break;
|
8193 | default:
|
8194 | taskFn = task4;
|
8195 | }
|
8196 | if (opts) {
|
8197 | retry(opts, taskFn, callback);
|
8198 | } else {
|
8199 | retry(taskFn, callback);
|
8200 | }
|
8201 |
|
8202 | function task1(done) {
|
8203 | task(done);
|
8204 | }
|
8205 |
|
8206 | function task2(done) {
|
8207 | task(args[0], done);
|
8208 | }
|
8209 |
|
8210 | function task3(done) {
|
8211 | task(args[0], args[1], done);
|
8212 | }
|
8213 |
|
8214 | function task4(callback) {
|
8215 | args[lastIndex] = callback;
|
8216 | task.apply(null, args);
|
8217 | }
|
8218 | }
|
8219 | }
|
8220 |
|
8221 | /**
|
8222 | * @memberof async
|
8223 | * @namespace iterator
|
8224 | */
|
8225 | function iterator(tasks) {
|
8226 | var size = 0;
|
8227 | var keys = [];
|
8228 | if (isArray(tasks)) {
|
8229 | size = tasks.length;
|
8230 | } else {
|
8231 | keys = nativeKeys(tasks);
|
8232 | size = keys.length;
|
8233 | }
|
8234 | return makeCallback(0);
|
8235 |
|
8236 | function makeCallback(index) {
|
8237 | var fn = function() {
|
8238 | if (size) {
|
8239 | var key = keys[index] || index;
|
8240 | tasks[key].apply(null, createArray(arguments));
|
8241 | }
|
8242 | return fn.next();
|
8243 | };
|
8244 | fn.next = function() {
|
8245 | return (index < size - 1) ? makeCallback(index + 1) : null;
|
8246 | };
|
8247 | return fn;
|
8248 | }
|
8249 | }
|
8250 |
|
8251 | /**
|
8252 | * @memberof async
|
8253 | * @namespace apply
|
8254 | */
|
8255 | function apply(func) {
|
8256 | switch (arguments.length) {
|
8257 | case 0:
|
8258 | case 1:
|
8259 | return func;
|
8260 | case 2:
|
8261 | return func.bind(null, arguments[1]);
|
8262 | case 3:
|
8263 | return func.bind(null, arguments[1], arguments[2]);
|
8264 | case 4:
|
8265 | return func.bind(null, arguments[1], arguments[2], arguments[3]);
|
8266 | case 5:
|
8267 | return func.bind(null, arguments[1], arguments[2], arguments[3], arguments[4]);
|
8268 | default:
|
8269 | var size = arguments.length;
|
8270 | var index = 0;
|
8271 | var args = Array(size);
|
8272 | args[index] = null;
|
8273 | while (++index < size) {
|
8274 | args[index] = arguments[index];
|
8275 | }
|
8276 | return func.bind.apply(func, args);
|
8277 | }
|
8278 | }
|
8279 |
|
8280 | /**
|
8281 | * @memberof async
|
8282 | * @namespace timeout
|
8283 | * @param {Function} func
|
8284 | * @param {number} millisec
|
8285 | * @param {*} info
|
8286 | */
|
8287 | function timeout(func, millisec, info) {
|
8288 | var callback, timer;
|
8289 | return wrappedFunc;
|
8290 |
|
8291 | function wrappedFunc() {
|
8292 | timer = setTimeout(timeoutCallback, millisec);
|
8293 | var args = createArray(arguments);
|
8294 | var lastIndex = args.length - 1;
|
8295 | callback = args[lastIndex];
|
8296 | args[lastIndex] = injectedCallback;
|
8297 | simpleApply(func, args);
|
8298 | }
|
8299 |
|
8300 | function timeoutCallback() {
|
8301 | var name = func.name || 'anonymous';
|
8302 | var err = new Error('Callback function "' + name + '" timed out.');
|
8303 | err.code = 'ETIMEDOUT';
|
8304 | if (info) {
|
8305 | err.info = info;
|
8306 | }
|
8307 | timer = null;
|
8308 | callback(err);
|
8309 | }
|
8310 |
|
8311 | function injectedCallback() {
|
8312 | if (timer !== null) {
|
8313 | simpleApply(callback, createArray(arguments));
|
8314 | clearTimeout(timer);
|
8315 | }
|
8316 | }
|
8317 |
|
8318 | function simpleApply(func, args) {
|
8319 | switch(args.length) {
|
8320 | case 0:
|
8321 | func();
|
8322 | break;
|
8323 | case 1:
|
8324 | func(args[0]);
|
8325 | break;
|
8326 | case 2:
|
8327 | func(args[0], args[1]);
|
8328 | break;
|
8329 | default:
|
8330 | func.apply(null, args);
|
8331 | break;
|
8332 | }
|
8333 | }
|
8334 | }
|
8335 |
|
8336 | /**
|
8337 | * @memberof async
|
8338 | * @namespace times
|
8339 | * @param {number} n - n >= 1
|
8340 | * @param {Function} iterator
|
8341 | * @param {Function} callback
|
8342 | * @example
|
8343 | *
|
8344 | * var iterator = function(n, done) {
|
8345 | * done(null, n);
|
8346 | * };
|
8347 | * async.times(4, iterator, function(err, res) {
|
8348 | * console.log(res); // [0, 1, 2, 3];
|
8349 | * });
|
8350 | *
|
8351 | */
|
8352 | function times(n, iterator, callback) {
|
8353 | callback = callback || noop;
|
8354 | n = +n;
|
8355 | if (isNaN(n) || n < 1) {
|
8356 | return callback(null, []);
|
8357 | }
|
8358 | var result = Array(n);
|
8359 | timesSync(n, iterate);
|
8360 |
|
8361 | function iterate(num) {
|
8362 | iterator(num, createCallback(num));
|
8363 | }
|
8364 |
|
8365 | function createCallback(index) {
|
8366 | return function(err, res) {
|
8367 | if (index === null) {
|
8368 | throwError();
|
8369 | }
|
8370 | result[index] = res;
|
8371 | index = null;
|
8372 | if (err) {
|
8373 | callback(err);
|
8374 | callback = noop;
|
8375 | } else if (--n === 0) {
|
8376 | callback(null, result);
|
8377 | }
|
8378 | };
|
8379 | }
|
8380 | }
|
8381 |
|
8382 | /**
|
8383 | * @memberof async
|
8384 | * @namespace timesSeries
|
8385 | * @param {number} n - n >= 1
|
8386 | * @param {Function} iterator
|
8387 | * @param {Function} callback
|
8388 | * @example
|
8389 | *
|
8390 | * var iterator = function(n, done) {
|
8391 | * done(null, n);
|
8392 | * };
|
8393 | * async.timesSeries(4, iterator, function(err, res) {
|
8394 | * console.log(res); // [0, 1, 2, 3];
|
8395 | * });
|
8396 | *
|
8397 | */
|
8398 | function timesSeries(n, iterator, callback) {
|
8399 | callback = callback || noop;
|
8400 | n = +n;
|
8401 | if (isNaN(n) || n < 1) {
|
8402 | return callback(null, []);
|
8403 | }
|
8404 | var result = Array(n);
|
8405 | var sync = false;
|
8406 | var completed = 0;
|
8407 | iterate();
|
8408 |
|
8409 | function iterate() {
|
8410 | iterator(completed, done);
|
8411 | }
|
8412 |
|
8413 | function done(err, res) {
|
8414 | result[completed] = res;
|
8415 | if (err) {
|
8416 | callback(err);
|
8417 | callback = throwError;
|
8418 | } else if (++completed >= n) {
|
8419 | callback(null, result);
|
8420 | callback = throwError;
|
8421 | } else if (sync) {
|
8422 | nextTick(iterate);
|
8423 | } else {
|
8424 | sync = true;
|
8425 | iterate();
|
8426 | }
|
8427 | sync = false;
|
8428 | }
|
8429 | }
|
8430 |
|
8431 | /**
|
8432 | * @memberof async
|
8433 | * @namespace timesLimit
|
8434 | * @param {number} n - n >= 1
|
8435 | * @param {number} limit - n >= 1
|
8436 | * @param {Function} iterator
|
8437 | * @param {Function} callback
|
8438 | * @example
|
8439 | *
|
8440 | * var iterator = function(n, done) {
|
8441 | * done(null, n);
|
8442 | * };
|
8443 | * async.timesLimit(4, 2, iterator, function(err, res) {
|
8444 | * console.log(res); // [0, 1, 2, 3];
|
8445 | * });
|
8446 | *
|
8447 | */
|
8448 | function timesLimit(n, limit, iterator, callback) {
|
8449 | callback = callback || noop;
|
8450 | n = +n;
|
8451 | if (isNaN(n) || n < 1 || isNaN(limit) || limit < 1) {
|
8452 | return callback(null, []);
|
8453 | }
|
8454 | var result = Array(n);
|
8455 | var sync = false;
|
8456 | var started = 0;
|
8457 | var completed = 0;
|
8458 | timesSync(limit > n ? n : limit, iterate);
|
8459 |
|
8460 | function iterate() {
|
8461 | var index = started++;
|
8462 | if (index < n) {
|
8463 | iterator(index, createCallback(index));
|
8464 | }
|
8465 | }
|
8466 |
|
8467 | function createCallback(index) {
|
8468 | return function(err, res) {
|
8469 | if (index === null) {
|
8470 | throwError();
|
8471 | }
|
8472 | result[index] = res;
|
8473 | index = null;
|
8474 | if (err) {
|
8475 | callback(err);
|
8476 | callback = noop;
|
8477 | } else if (++completed >= n) {
|
8478 | callback(null, result);
|
8479 | callback = throwError;
|
8480 | } else if (sync) {
|
8481 | nextTick(iterate);
|
8482 | } else {
|
8483 | sync = true;
|
8484 | iterate();
|
8485 | }
|
8486 | sync = false;
|
8487 | };
|
8488 | }
|
8489 | }
|
8490 |
|
8491 | /**
|
8492 | * @memberof async
|
8493 | * @namespace race
|
8494 | * @param {Array|Object} tasks - functions
|
8495 | * @param {Function} callback
|
8496 | * @example
|
8497 | *
|
8498 | * // array
|
8499 | * var called = 0;
|
8500 | * var tasks = [
|
8501 | * function(done) {
|
8502 | * setTimeout(function() {
|
8503 | * called++;
|
8504 | * done(null, '1');
|
8505 | * }, 30);
|
8506 | * },
|
8507 | * function(done) {
|
8508 | * setTimeout(function() {
|
8509 | * called++;
|
8510 | * done(null, '2');
|
8511 | * }, 20);
|
8512 | * },
|
8513 | * function(done) {
|
8514 | * setTimeout(function() {
|
8515 | * called++;
|
8516 | * done(null, '3');
|
8517 | * }, 10);
|
8518 | * }
|
8519 | * ];
|
8520 | * async.race(tasks, function(err, res) {
|
8521 | * console.log(res); // '3'
|
8522 | * console.log(called); // 1
|
8523 | * setTimeout(function() {
|
8524 | * console.log(called); // 3
|
8525 | * }, 50);
|
8526 | * });
|
8527 | *
|
8528 | * @example
|
8529 | *
|
8530 | * // object
|
8531 | * var called = 0;
|
8532 | * var tasks = {
|
8533 | * 'test1': function(done) {
|
8534 | * setTimeout(function() {
|
8535 | * called++;
|
8536 | * done(null, '1');
|
8537 | * }, 30);
|
8538 | * },
|
8539 | * 'test2': function(done) {
|
8540 | * setTimeout(function() {
|
8541 | * called++;
|
8542 | * done(null, '2');
|
8543 | * }, 20);
|
8544 | * },
|
8545 | * 'test3': function(done) {
|
8546 | * setTimeout(function() {
|
8547 | * called++;
|
8548 | * done(null, '3');
|
8549 | * }, 10);
|
8550 | * }
|
8551 | * };
|
8552 | * async.race(tasks, function(err, res) {
|
8553 | * console.log(res); // '3'
|
8554 | * console.log(called); // 1
|
8555 | * setTimeout(function() {
|
8556 | * console.log(called); // 3
|
8557 | * done();
|
8558 | * }, 50);
|
8559 | * });
|
8560 | *
|
8561 | */
|
8562 | function race(tasks, callback) {
|
8563 | callback = once(callback || noop);
|
8564 | var size, keys;
|
8565 | var index = -1;
|
8566 | if (isArray(tasks)) {
|
8567 | size = tasks.length;
|
8568 | while (++index < size) {
|
8569 | tasks[index](callback);
|
8570 | }
|
8571 | } else if (tasks && typeof tasks === obj) {
|
8572 | keys = nativeKeys(tasks);
|
8573 | size = keys.length;
|
8574 | while (++index < size) {
|
8575 | tasks[keys[index]](callback);
|
8576 | }
|
8577 | } else {
|
8578 | return callback(new TypeError('First argument to race must be a collection of functions'));
|
8579 | }
|
8580 | if (!size) {
|
8581 | callback(null);
|
8582 | }
|
8583 | }
|
8584 |
|
8585 | /**
|
8586 | * @memberof async
|
8587 | * @namespace memoize
|
8588 | */
|
8589 | function memoize(fn, hasher) {
|
8590 | hasher = hasher || function(hash) {
|
8591 | return hash;
|
8592 | };
|
8593 |
|
8594 | var memo = {};
|
8595 | var queues = {};
|
8596 | var memoized = function() {
|
8597 | var args = createArray(arguments);
|
8598 | var callback = args.pop();
|
8599 | var key = hasher.apply(null, args);
|
8600 | if (has(memo, key)) {
|
8601 | nextTick(function() {
|
8602 | callback.apply(null, memo[key]);
|
8603 | });
|
8604 | return;
|
8605 | }
|
8606 | if (has(queues, key)) {
|
8607 | return queues[key].push(callback);
|
8608 | }
|
8609 |
|
8610 | queues[key] = [callback];
|
8611 | args.push(done);
|
8612 | fn.apply(null, args);
|
8613 |
|
8614 | function done() {
|
8615 | var args = createArray(arguments);
|
8616 | memo[key] = args;
|
8617 | var q = queues[key];
|
8618 | delete queues[key];
|
8619 |
|
8620 | var i = -1;
|
8621 | var size = q.length;
|
8622 | while (++i < size) {
|
8623 | q[i].apply(null, args);
|
8624 | }
|
8625 | }
|
8626 | };
|
8627 | memoized.memo = memo;
|
8628 | memoized.unmemoized = fn;
|
8629 | return memoized;
|
8630 | }
|
8631 |
|
8632 | /**
|
8633 | * @memberof async
|
8634 | * @namespace unmemoize
|
8635 | */
|
8636 | function unmemoize(fn) {
|
8637 | return function() {
|
8638 | return (fn.unmemoized || fn).apply(null, arguments);
|
8639 | };
|
8640 | }
|
8641 |
|
8642 | /**
|
8643 | * @memberof async
|
8644 | * @namespace ensureAsync
|
8645 | */
|
8646 | function ensureAsync(fn) {
|
8647 | return function( /* ...args, callback */ ) {
|
8648 | var args = createArray(arguments);
|
8649 | var lastIndex = args.length - 1;
|
8650 | var callback = args[lastIndex];
|
8651 | var sync = true;
|
8652 | args[lastIndex] = done;
|
8653 | fn.apply(this, args);
|
8654 | sync = false;
|
8655 |
|
8656 | function done() {
|
8657 | var innerArgs = createArray(arguments);
|
8658 | if (sync) {
|
8659 | nextTick(function() {
|
8660 | callback.apply(null, innerArgs);
|
8661 | });
|
8662 | } else {
|
8663 | callback.apply(null, innerArgs);
|
8664 | }
|
8665 | }
|
8666 | };
|
8667 | }
|
8668 |
|
8669 | /**
|
8670 | * @memberof async
|
8671 | * @namespace constant
|
8672 | */
|
8673 | function constant( /* values... */ ) {
|
8674 | var args = [null].concat(createArray(arguments));
|
8675 | return function(callback) {
|
8676 | callback = arguments[arguments.length - 1];
|
8677 | callback.apply(this, args);
|
8678 | };
|
8679 | }
|
8680 |
|
8681 | function asyncify(fn) {
|
8682 | return function( /* args..., callback */ ) {
|
8683 | var args = createArray(arguments);
|
8684 | var callback = args.pop();
|
8685 | var result;
|
8686 | try {
|
8687 | result = fn.apply(this, args);
|
8688 | } catch (e) {
|
8689 | return callback(e);
|
8690 | }
|
8691 | if (result && typeof result === obj && typeof result.then === func) {
|
8692 | result.then(function(value) {
|
8693 | callback(null, value);
|
8694 | }, function(err) {
|
8695 | callback(err.message ? err : new Error(err));
|
8696 | });
|
8697 | } else {
|
8698 | callback(null, result);
|
8699 | }
|
8700 | };
|
8701 | }
|
8702 |
|
8703 | /**
|
8704 | * @memberof async
|
8705 | * @namespace reflect
|
8706 | * @param {Function} func
|
8707 | * @return {Function}
|
8708 | */
|
8709 | function reflect(func) {
|
8710 | return function( /* args..., callback */ ) {
|
8711 | var callback;
|
8712 | switch (arguments.length) {
|
8713 | case 1:
|
8714 | callback = arguments[0];
|
8715 | return func(done);
|
8716 | case 2:
|
8717 | callback = arguments[1];
|
8718 | return func(arguments[0], done);
|
8719 | default:
|
8720 | var args = createArray(arguments);
|
8721 | var lastIndex = args.length - 1;
|
8722 | callback = args[lastIndex];
|
8723 | args[lastIndex] = done;
|
8724 | func.apply(this, args);
|
8725 | }
|
8726 |
|
8727 | function done(err, res) {
|
8728 | if (err) {
|
8729 | return callback(null, {
|
8730 | error: err
|
8731 | });
|
8732 | }
|
8733 | if (arguments.length > 2) {
|
8734 | res = slice(arguments, 1);
|
8735 | }
|
8736 | callback(null, {
|
8737 | value: res
|
8738 | });
|
8739 | }
|
8740 | };
|
8741 | }
|
8742 |
|
8743 | /**
|
8744 | * @memberof async
|
8745 | * @namespace reflectAll
|
8746 | * @param {Array[]|Object} tasks
|
8747 | * @return {Function}
|
8748 | */
|
8749 | function reflectAll(tasks) {
|
8750 | var size, newTasks, keys;
|
8751 | if (isArray(tasks)) {
|
8752 | size = tasks.length;
|
8753 | newTasks = Array(size);
|
8754 | arrayEachSync(tasks, iterate);
|
8755 | } else if (tasks && typeof tasks === obj) {
|
8756 | keys = nativeKeys(tasks);
|
8757 | size = keys.length;
|
8758 | newTasks = {};
|
8759 | baseEachSync(tasks, iterate, keys);
|
8760 | }
|
8761 | return newTasks;
|
8762 |
|
8763 | function iterate(func, key) {
|
8764 | newTasks[key] = reflect(func);
|
8765 | }
|
8766 | }
|
8767 |
|
8768 | /**
|
8769 | * @memberof async
|
8770 | * @namespace createLogger
|
8771 | */
|
8772 | function createLogger(name) {
|
8773 | return function(fn) {
|
8774 | var args = slice(arguments, 1);
|
8775 | args.push(done);
|
8776 | fn.apply(null, args);
|
8777 | };
|
8778 |
|
8779 | function done(err) {
|
8780 | if (typeof console === obj) {
|
8781 | if (err) {
|
8782 | if (console.error) {
|
8783 | console.error(err);
|
8784 | }
|
8785 | return;
|
8786 | }
|
8787 | if (console[name]) {
|
8788 | var args = slice(arguments, 1);
|
8789 | arrayEachSync(args, function(arg) {
|
8790 | console[name](arg);
|
8791 | });
|
8792 | }
|
8793 | }
|
8794 | }
|
8795 | }
|
8796 |
|
8797 | /**
|
8798 | * @memberof async
|
8799 | * @namespace safe
|
8800 | */
|
8801 | function safe() {
|
8802 | createImmediate();
|
8803 | return exports;
|
8804 | }
|
8805 |
|
8806 | /**
|
8807 | * @memberof async
|
8808 | * @namespace fast
|
8809 | */
|
8810 | function fast() {
|
8811 | createImmediate(false);
|
8812 | return exports;
|
8813 | }
|
8814 |
|
8815 | }));
|