was.js – Blame information for rev 27
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2 | office | 1 | /*************************************************************************/ |
2 | /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
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3 | /*************************************************************************/ |
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25 | office | 4 | function wasProduct(b) { |
5 | var a = this; |
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6 | var m = Math.max(this.length, a.length); |
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7 | var o = {}; |
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8 | for(var i = 0; i < m; ++i) { |
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9 | o[a[i]] = b[i]; |
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10 | } |
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11 | return o; |
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12 | } |
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2 | office | 13 | if (!Array.prototype.product) { |
25 | office | 14 | Array.prototype.product = wasProduct; |
2 | office | 15 | } |
25 | office | 16 | // jQuery |
17 | if(typeof jQuery === 'function') { |
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18 | $.extend({ |
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19 | product: wasProduct |
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20 | }); |
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21 | } |
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2 | office | 22 | |
23 | /*************************************************************************/ |
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24 | /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
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25 | /*************************************************************************/ |
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25 | office | 26 | function wasStride(s) { |
27 | return this.filter(function(e, i) { |
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28 | return i % s === 0; |
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29 | }); |
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30 | } |
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2 | office | 31 | if (!Array.prototype.stride) { |
25 | office | 32 | Array.prototype.stride = wasStride; |
2 | office | 33 | } |
25 | office | 34 | // jQuery |
35 | if(typeof jQuery === 'function') { |
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36 | $.extend({ |
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37 | stride: wasStride |
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38 | }); |
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39 | } |
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2 | office | 40 | |
41 | /*************************************************************************/ |
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42 | /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
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43 | /*************************************************************************/ |
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25 | office | 44 | // Vanilla JavaScript |
45 | function wasChunk(n) { |
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46 | if (!this.length) { |
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47 | return []; |
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48 | } |
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49 | return [this.slice(0, n)] |
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50 | .concat(this.slice(n).wasChunk(n)); |
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51 | } |
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2 | office | 52 | if (!Array.prototype.chunk) { |
25 | office | 53 | Array.prototype.chunk = wasChunk; |
2 | office | 54 | } |
25 | office | 55 | // jQuery |
56 | if(typeof jQuery === 'function') { |
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57 | $.extend({ |
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58 | chunk: wasChunk |
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59 | }); |
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60 | } |
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5 | office | 61 | |
62 | /*************************************************************************/ |
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63 | /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
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64 | /*************************************************************************/ |
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65 | /*stackoverflow.com/questions/7837456/how-to-compare-arrays-in-javascript*/ |
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66 | /*************************************************************************/ |
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25 | office | 67 | // Vanilla JavaScript |
68 | function wasEquals(a) { |
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69 | // if the other array is a falsy value, return |
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70 | if (!a) { |
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71 | return false; |
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72 | } |
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5 | office | 73 | |
25 | office | 74 | // compare lengths - can save a lot of time |
75 | if (this.length !== a.length) { |
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76 | return false; |
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77 | } |
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5 | office | 78 | |
25 | office | 79 | for (var i = 0, l = this.length; i < l; i++) { |
80 | // Check if we have nested arrays |
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81 | if (this[i] instanceof Array && a[i] instanceof Array) { |
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82 | // recurse into the nested arrays |
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83 | if (!this[i].equals(a[i])) { |
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5 | office | 84 | return false; |
85 | } |
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25 | office | 86 | } else if (this[i] !== a[i]) { |
87 | // Warning - two different object instances will never be equal: {x:20} != {x:20} |
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88 | return false; |
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5 | office | 89 | } |
25 | office | 90 | } |
91 | return true; |
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5 | office | 92 | } |
25 | office | 93 | if (!Array.prototype.equals) { |
94 | // attach the .equals method to Array's prototype to call it on any array |
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95 | Array.prototype.equals = wasEquals; |
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96 | } |
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97 | // jQuery |
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98 | if(typeof jQuery === 'function') { |
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99 | $.extend({ |
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100 | equals: wasEquals |
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101 | }); |
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102 | } |
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5 | office | 103 | |
25 | office | 104 | /*************************************************************************/ |
105 | /* Node.JS package export. */ |
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106 | /*************************************************************************/ |
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27 | office | 107 | module.exports.collections = { |
26 | office | 108 | product: wasProduct, |
25 | office | 109 | stride: wasStride, |
110 | chunk: wasChunk, |
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111 | equals: wasEquals |
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112 | }; |