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/** global: UB */ |
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/** global: Buffer */ |
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/*! ARRAY UTILS */ |
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var arrayFuncs = { |
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isEqual: function(list2){ |
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var list = this; |
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if (list2 == null) { |
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return list == list2; |
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} |
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if(list.length != list2.length){ |
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return false; |
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} |
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var len = list.length; |
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for (var i = 0;i<len;i++){ |
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if(list[i] !== list2[i]){ |
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return false; |
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} |
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} |
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return true; |
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}, |
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isNotEqual: function(list2){ |
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var list = this; |
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return !list.isEqual(list2); |
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}, |
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exists: function(){ |
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var list = this; |
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return list.length > 0; |
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}, |
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isFirst: function(value){ |
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var list = this; |
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return list[0] == value; |
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}, |
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isLast: function(value){ |
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var list = this; |
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return list[list.length - 1] == value; |
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}, |
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beginsWithArray: function(value){ |
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return this.startsWithArray(value); |
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}, |
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startsWithArray: function(values){ |
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var list = this; |
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// quickly test if length sufficient |
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var clen = values.length; |
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var mlen = list.length; |
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if (mlen < clen) { |
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return false; |
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} |
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// check if first slots match |
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for (var b = 0;b<clen;b++){ |
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if (list[b] != values[b]) { |
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return false; |
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} |
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} |
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return true; |
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}, |
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endsWithArray: function(values){ |
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var list = this; |
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// quickly test if length sufficient |
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var clen = values.length; |
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var mlen = list.length; |
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if (mlen < clen) { |
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return false; |
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} |
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// check if last slots match |
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var off = (mlen - clen); |
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for (var b = 0;b<clen;b++){ |
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if (list[off + b] != values[b]) { |
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return false; |
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} |
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} |
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return true; |
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}, |
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beginsWith: function(value){ |
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return this.startsWith(value); |
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}, |
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startsWith: function(value){ |
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var list = this; |
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return list[0] == value; |
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}, |
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endsWith: function(value){ |
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var list = this; |
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return list[list.length - 1] == value; |
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}, |
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next: function(obj, wrap = false){ |
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var list = this; |
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var i = list.indexOf(obj); |
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if (i > -1) { |
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return (wrap && i >= (list.length - 1)) ? list[0] : list[i + 1]; |
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} |
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return null; |
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}, |
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prev: function(obj, wrap = false){ |
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var list = this; |
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var i = list.indexOf(obj); |
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if (i > 0) { |
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return wrap ? list[list.length - 1] : list[i - 1]; |
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} |
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return null; |
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}, |
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allSame: function(){ |
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var arr = this; |
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// checks if all values in the array are same |
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if (arr.length == 0) { |
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return true; |
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} |
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var last = arr[0]; |
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for (var a = 1, al = arr.length;a<al;a++){ |
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if (arr[a] != last) { |
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return false; |
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} |
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} |
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return true; |
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}, |
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allEqualTo: function(value){ |
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var arr = this; |
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136
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// Checks if all the values in the array are equal to the given value |
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if (arr.length == 0) { |
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return true; |
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} |
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for (var a = 0, al = arr.length;a<al;a++){ |
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if (arr[a] != value) { |
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return false; |
|
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} |
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} |
|
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return true; |
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}, |
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148
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149
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none:null |
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}; |
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151
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152
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// register funcs |
|
153
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UB.registerFuncs(Array.prototype, arrayFuncs); |
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154
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nightfury7 /
universalbasics.js
