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annotate d3s_examples/python-neo4jrestclient/static/platin/lib/sheetjs/shim.js @ 39:88c5232f9d48 default tip

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author casties
date Thu, 04 Feb 2016 18:56:48 +0100
parents 18ef6948d689
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8
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1 // From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
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2 if (!Object.keys) {
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3 Object.keys = (function () {
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4 var hasOwnProperty = Object.prototype.hasOwnProperty,
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5 hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'),
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6 dontEnums = [
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7 'toString',
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8 'toLocaleString',
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9 'valueOf',
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10 'hasOwnProperty',
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11 'isPrototypeOf',
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12 'propertyIsEnumerable',
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13 'constructor'
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14 ],
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15 dontEnumsLength = dontEnums.length;
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16
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17 return function (obj) {
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18 if (typeof obj !== 'object' && typeof obj !== 'function' || obj === null) throw new TypeError('Object.keys called on non-object');
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19
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20 var result = [];
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21
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22 for (var prop in obj) {
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23 if (hasOwnProperty.call(obj, prop)) result.push(prop);
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24 }
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25
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26 if (hasDontEnumBug) {
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27 for (var i=0; i < dontEnumsLength; i++) {
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28 if (hasOwnProperty.call(obj, dontEnums[i])) result.push(dontEnums[i]);
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29 }
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30 }
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31 return result;
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32 };
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33 })();
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34 }
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35
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36 // From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
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37 if (!Array.prototype.filter)
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38 {
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39 Array.prototype.filter = function(fun /*, thisp */)
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40 {
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41 "use strict";
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42
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43 if (this == null)
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44 throw new TypeError();
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45
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46 var t = Object(this);
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47 var len = t.length >>> 0;
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48 if (typeof fun != "function")
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49 throw new TypeError();
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50
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51 var res = [];
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52 var thisp = arguments[1];
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53 for (var i = 0; i < len; i++)
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54 {
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55 if (i in t)
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56 {
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57 var val = t[i]; // in case fun mutates this
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58 if (fun.call(thisp, val, i, t))
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59 res.push(val);
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60 }
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61 }
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62
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63 return res;
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64 };
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65 }
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66
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67 // From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim
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68 if (!String.prototype.trim) {
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69 String.prototype.trim = function () {
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70 return this.replace(/^\s+|\s+$/g, '');
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71 };
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72 }
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73
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74 // From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
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75 if (!Array.prototype.forEach)
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76 {
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77 Array.prototype.forEach = function(fun /*, thisArg */)
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78 {
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79 "use strict";
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80
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81 if (this === void 0 || this === null)
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82 throw new TypeError();
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83
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84 var t = Object(this);
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85 var len = t.length >>> 0;
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86 if (typeof fun !== "function")
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87 throw new TypeError();
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88
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89 var thisArg = arguments.length >= 2 ? arguments[1] : void 0;
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90 for (var i = 0; i < len; i++)
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91 {
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92 if (i in t)
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93 fun.call(thisArg, t[i], i, t);
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94 }
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95 };
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96 }
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97
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98 // Production steps of ECMA-262, Edition 5, 15.4.4.19
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99 // Reference: http://es5.github.com/#x15.4.4.19
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100 if (!Array.prototype.map) {
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101 Array.prototype.map = function(callback, thisArg) {
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102
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103 var T, A, k;
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104
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105 if (this == null) {
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106 throw new TypeError(" this is null or not defined");
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107 }
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108
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109 // 1. Let O be the result of calling ToObject passing the |this| value as the argument.
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110 var O = Object(this);
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111
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112 // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length".
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113 // 3. Let len be ToUint32(lenValue).
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114 var len = O.length >>> 0;
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115
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116 // 4. If IsCallable(callback) is false, throw a TypeError exception.
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117 // See: http://es5.github.com/#x9.11
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118 if (typeof callback !== "function") {
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119 throw new TypeError(callback + " is not a function");
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120 }
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121
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122 // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
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123 if (thisArg) {
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124 T = thisArg;
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125 }
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126
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127 // 6. Let A be a new array created as if by the expression new Array(len) where Array is
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128 // the standard built-in constructor with that name and len is the value of len.
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129 A = new Array(len);
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130
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131 // 7. Let k be 0
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132 k = 0;
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133
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134 // 8. Repeat, while k < len
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135 while(k < len) {
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136
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137 var kValue, mappedValue;
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138
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139 // a. Let Pk be ToString(k).
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140 // This is implicit for LHS operands of the in operator
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141 // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk.
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142 // This step can be combined with c
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143 // c. If kPresent is true, then
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144 if (k in O) {
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145
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146 // i. Let kValue be the result of calling the Get internal method of O with argument Pk.
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147 kValue = O[ k ];
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148
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149 // ii. Let mappedValue be the result of calling the Call internal method of callback
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150 // with T as the this value and argument list containing kValue, k, and O.
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151 mappedValue = callback.call(T, kValue, k, O);
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152
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153 // iii. Call the DefineOwnProperty internal method of A with arguments
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154 // Pk, Property Descriptor {Value: mappedValue, : true, Enumerable: true, Configurable: true},
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155 // and false.
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156
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157 // In browsers that support Object.defineProperty, use the following:
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158 // Object.defineProperty(A, Pk, { value: mappedValue, writable: true, enumerable: true, configurable: true });
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159
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160 // For best browser support, use the following:
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161 A[ k ] = mappedValue;
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162 }
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163 // d. Increase k by 1.
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164 k++;
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165 }
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166
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167 // 9. return A
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168 return A;
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169 };
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170 }
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171
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172 // From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
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173 if (!Array.prototype.indexOf) {
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174 Array.prototype.indexOf = function (searchElement, fromIndex) {
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175 if ( this === undefined || this === null ) {
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176 throw new TypeError( '"this" is null or not defined' );
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177 }
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178
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179 var length = this.length >>> 0; // Hack to convert object.length to a UInt32
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180
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181 fromIndex = +fromIndex || 0;
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182
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183 if (Math.abs(fromIndex) === Infinity) {
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184 fromIndex = 0;
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185 }
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186
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187 if (fromIndex < 0) {
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188 fromIndex += length;
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189 if (fromIndex < 0) {
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190 fromIndex = 0;
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191 }
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192 }
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193
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194 for (;fromIndex < length; fromIndex++) {
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195 if (this[fromIndex] === searchElement) {
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196 return fromIndex;
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197 }
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198 }
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199
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200 return -1;
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201 };
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202 }
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203 // Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
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204
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205 if (! Array.isArray) {
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206 Array.isArray = function(obj) {
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207 return Object.prototype.toString.call(obj) === "[object Array]";
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208 };
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209 }
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210
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211 // https://github.com/ttaubert/node-arraybuffer-slice
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212 // (c) 2013 Tim Taubert <tim@timtaubert.de>
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213 // arraybuffer-slice may be freely distributed under the MIT license.
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214
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215 "use strict";
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216
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217 if (typeof ArrayBuffer !== 'undefined' && !ArrayBuffer.prototype.slice) {
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218 ArrayBuffer.prototype.slice = function (begin, end) {
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219 begin = (begin|0) || 0;
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220 var num = this.byteLength;
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221 end = end === (void 0) ? num : (end|0);
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222
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223 // Handle negative values.
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224 if (begin < 0) begin += num;
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225 if (end < 0) end += num;
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226
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227 if (num === 0 || begin >= num || begin >= end) {
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228 return new ArrayBuffer(0);
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229 }
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230
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231 var length = Math.min(num - begin, end - begin);
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232 var target = new ArrayBuffer(length);
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233 var targetArray = new Uint8Array(target);
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234 targetArray.set(new Uint8Array(this, begin, length));
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235 return target;
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236 };
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237 }