was.js – Diff between revs 5 and 25

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Line 1... Line 1...
1 /*************************************************************************/ 1 /*************************************************************************/
2 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ 2 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */
3 /*************************************************************************/ 3 /*************************************************************************/
4 if (!Array.prototype.product) { 4 function wasProduct(b) {
5 Array.prototype.product = function(b) { -  
6 var a = this; 5 var a = this;
7 return $.map( -  
8 new Array(Math.max(this.length, a.length)), 6 var m = Math.max(this.length, a.length);
9 function(e, i) { -  
10 var o = {}; 7 var o = {};
-   8 for(var i = 0; i < m; ++i) {
11 o[a[i]] = b[i]; 9 o[a[i]] = b[i];
-   10 }
12 return o; 11 return o;
13 }); -  
14 }; -  
15 } 12 }
-   13 if (!Array.prototype.product) {
-   14 Array.prototype.product = wasProduct;
-   15 }
-   16 // jQuery
-   17 if(typeof jQuery === 'function') {
16 $.extend({ 18 $.extend({
17 product: function(a, b) { -  
18 return $.map( -  
19 new Array(Math.max(this.length, a.length)), -  
20 function(e, i) { -  
21 var o = {}; -  
22 o[a[i]] = b[i]; -  
23 return o; 19 product: wasProduct
24 }); 20 });
25 } 21 }
26 }); -  
Line 27... Line 22...
27   22  
28 /*************************************************************************/ 23 /*************************************************************************/
29 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ 24 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */
30 /*************************************************************************/ 25 /*************************************************************************/
31 if (!Array.prototype.stride) { -  
32 Array.prototype.stride = function(s) { 26 function wasStride(s) {
33 return this.filter(function(e, i) { 27 return this.filter(function(e, i) {
34 return i % s === 0; 28 return i % s === 0;
35 }); -  
36 }; 29 });
-   30 }
-   31 if (!Array.prototype.stride) {
-   32 Array.prototype.stride = wasStride;
-   33 }
-   34 // jQuery
37 } 35 if(typeof jQuery === 'function') {
38 $.extend({ -  
39 stride: function(a, s) { -  
40 return a.filter(function(e, i) { 36 $.extend({
41 return i % s === 0; 37 stride: wasStride
42 }); 38 });
43 } -  
Line 44... Line 39...
44 }); 39 }
45   40  
46 /*************************************************************************/ 41 /*************************************************************************/
47 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ 42 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */
48 /*************************************************************************/ 43 /*************************************************************************/
49 if (!Array.prototype.chunk) { 44 // Vanilla JavaScript
50 Array.prototype.chunk = function(n) { 45 function wasChunk(n) {
51 if (!this.length) { 46 if (!this.length) {
52 return []; 47 return [];
53 } 48 }
54 return [this.slice(0, n)] -  
55 .concat(this.slice(n).chunk(n)); 49 return [this.slice(0, n)]
56 }; -  
57 } 50 .concat(this.slice(n).wasChunk(n));
58 $.extend({ -  
59 chunk: function(a, n) { -  
60 if (!a.length) { -  
61 return []; -  
62 } 51 }
63 return [a.slice(0, n)] 52 if (!Array.prototype.chunk) {
-   53 Array.prototype.chunk = wasChunk;
-   54 }
-   55 // jQuery
-   56 if(typeof jQuery === 'function') {
64 .concat(a.slice(n).chunk(n)); 57 $.extend({
-   58 chunk: wasChunk
Line 65... Line 59...
65 } 59 });
66 }); 60 }
67   61  
68 /*************************************************************************/ 62 /*************************************************************************/
69 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ 63 /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */
70 /*************************************************************************/ 64 /*************************************************************************/
71 /*stackoverflow.com/questions/7837456/how-to-compare-arrays-in-javascript*/ -  
72 /*************************************************************************/ 65 /*stackoverflow.com/questions/7837456/how-to-compare-arrays-in-javascript*/
73 if (!Array.prototype.equals) { 66 /*************************************************************************/
74 // attach the .equals method to Array's prototype to call it on any array 67 // Vanilla JavaScript
75 Array.prototype.equals = function(a) { 68 function wasEquals(a) {
76 // if the other array is a falsy value, return 69 // if the other array is a falsy value, return
Line 94... Line 87...
94 // Warning - two different object instances will never be equal: {x:20} != {x:20} 87 // Warning - two different object instances will never be equal: {x:20} != {x:20}
95 return false; 88 return false;
96 } 89 }
97 } 90 }
98 return true; 91 return true;
99 }; -  
100 } 92 }
101   -  
102 $.extend({ -  
103 equals: function(a) { 93 if (!Array.prototype.equals) {
104 // if the other array is a falsy value, return 94 // attach the .equals method to Array's prototype to call it on any array
105 if (!a) { -  
106 return false; 95 Array.prototype.equals = wasEquals;
107 } 96 }
108   97 // jQuery
109 // compare lengths - can save a lot of time 98 if(typeof jQuery === 'function') {
110 if (this.length !== a.length) { 99 $.extend({
111 return false; 100 equals: wasEquals
-   101 });
112 } 102 }
Line 113... Line 103...
113   103  
114 for (var i = 0, l = this.length; i < l; i++) { 104 /*************************************************************************/
115 // Check if we have nested arrays 105 /* Node.JS package export. */
116 if (this[i] instanceof Array && a[i] instanceof Array) { -  
117 // recurse into the nested arrays 106 /*************************************************************************/
118 if (!this[i].equals(a[i])) { -  
119 return false; 107 module.exports.collections.arrays = {
120 } -  
121 } else if (this[i] !== a[i]) { -  
122 // Warning - two different object instances will never be equal: {x:20} != {x:20} 108 stride: wasProduct,
123 return false; 109 stride: wasStride,
124 } -  
125 } 110 chunk: wasChunk,
126 return true; -  
127 } 111 equals: wasEquals