| /trunk/lib/collections/arrays/arrays.js |
|---|
| @@ -1,69 +1,63 @@ |
|---|
| /*************************************************************************/ |
| /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
| /*************************************************************************/ |
| function wasProduct(b) { |
| var a = this; |
| var m = Math.max(this.length, a.length); |
| var o = {}; |
| for(var i = 0; i < m; ++i) { |
| o[a[i]] = b[i]; |
| } |
| return o; |
| } |
| if (!Array.prototype.product) { |
| Array.prototype.product = function(b) { |
| var a = this; |
| return $.map( |
| new Array(Math.max(this.length, a.length)), |
| function(e, i) { |
| var o = {}; |
| o[a[i]] = b[i]; |
| return o; |
| }); |
| }; |
| Array.prototype.product = wasProduct; |
| } |
| $.extend({ |
| product: function(a, b) { |
| return $.map( |
| new Array(Math.max(this.length, a.length)), |
| function(e, i) { |
| var o = {}; |
| o[a[i]] = b[i]; |
| return o; |
| }); |
| } |
| }); |
| // jQuery |
| if(typeof jQuery === 'function') { |
| $.extend({ |
| product: wasProduct |
| }); |
| } |
| |
| /*************************************************************************/ |
| /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
| /*************************************************************************/ |
| function wasStride(s) { |
| return this.filter(function(e, i) { |
| return i % s === 0; |
| }); |
| } |
| if (!Array.prototype.stride) { |
| Array.prototype.stride = function(s) { |
| return this.filter(function(e, i) { |
| return i % s === 0; |
| }); |
| }; |
| Array.prototype.stride = wasStride; |
| } |
| $.extend({ |
| stride: function(a, s) { |
| return a.filter(function(e, i) { |
| return i % s === 0; |
| }); |
| } |
| }); |
| // jQuery |
| if(typeof jQuery === 'function') { |
| $.extend({ |
| stride: wasStride |
| }); |
| } |
| |
| /*************************************************************************/ |
| /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
| /*************************************************************************/ |
| // Vanilla JavaScript |
| function wasChunk(n) { |
| if (!this.length) { |
| return []; |
| } |
| return [this.slice(0, n)] |
| .concat(this.slice(n).wasChunk(n)); |
| } |
| if (!Array.prototype.chunk) { |
| Array.prototype.chunk = function(n) { |
| if (!this.length) { |
| return []; |
| } |
| return [this.slice(0, n)] |
| .concat(this.slice(n).chunk(n)); |
| }; |
| Array.prototype.chunk = wasChunk; |
| } |
| $.extend({ |
| chunk: function(a, n) { |
| if (!a.length) { |
| return []; |
| } |
| return [a.slice(0, n)] |
| .concat(a.slice(n).chunk(n)); |
| } |
| }); |
| // jQuery |
| if(typeof jQuery === 'function') { |
| $.extend({ |
| chunk: wasChunk |
| }); |
| } |
| |
| /*************************************************************************/ |
| /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
| @@ -70,59 +64,49 @@ |
|---|
| /*************************************************************************/ |
| /*stackoverflow.com/questions/7837456/how-to-compare-arrays-in-javascript*/ |
| /*************************************************************************/ |
| if (!Array.prototype.equals) { |
| // attach the .equals method to Array's prototype to call it on any array |
| Array.prototype.equals = function(a) { |
| // if the other array is a falsy value, return |
| if (!a) { |
| return false; |
| } |
| // Vanilla JavaScript |
| function wasEquals(a) { |
| // if the other array is a falsy value, return |
| if (!a) { |
| return false; |
| } |
| |
| // compare lengths - can save a lot of time |
| if (this.length !== a.length) { |
| return false; |
| } |
| // compare lengths - can save a lot of time |
| if (this.length !== a.length) { |
| return false; |
| } |
| |
| for (var i = 0, l = this.length; i < l; i++) { |
| // Check if we have nested arrays |
| if (this[i] instanceof Array && a[i] instanceof Array) { |
| // recurse into the nested arrays |
| if (!this[i].equals(a[i])) { |
| return false; |
| } |
| } else if (this[i] !== a[i]) { |
| // Warning - two different object instances will never be equal: {x:20} != {x:20} |
| for (var i = 0, l = this.length; i < l; i++) { |
| // Check if we have nested arrays |
| if (this[i] instanceof Array && a[i] instanceof Array) { |
| // recurse into the nested arrays |
| if (!this[i].equals(a[i])) { |
| return false; |
| } |
| } else if (this[i] !== a[i]) { |
| // Warning - two different object instances will never be equal: {x:20} != {x:20} |
| return false; |
| } |
| return true; |
| }; |
| } |
| return true; |
| } |
| if (!Array.prototype.equals) { |
| // attach the .equals method to Array's prototype to call it on any array |
| Array.prototype.equals = wasEquals; |
| } |
| // jQuery |
| if(typeof jQuery === 'function') { |
| $.extend({ |
| equals: wasEquals |
| }); |
| } |
| |
| $.extend({ |
| equals: function(a) { |
| // if the other array is a falsy value, return |
| if (!a) { |
| return false; |
| } |
| |
| // compare lengths - can save a lot of time |
| if (this.length !== a.length) { |
| return false; |
| } |
| |
| for (var i = 0, l = this.length; i < l; i++) { |
| // Check if we have nested arrays |
| if (this[i] instanceof Array && a[i] instanceof Array) { |
| // recurse into the nested arrays |
| if (!this[i].equals(a[i])) { |
| return false; |
| } |
| } else if (this[i] !== a[i]) { |
| // Warning - two different object instances will never be equal: {x:20} != {x:20} |
| return false; |
| } |
| } |
| return true; |
| } |
| }); |
| /*************************************************************************/ |
| /* Node.JS package export. */ |
| /*************************************************************************/ |
| module.exports.collections.arrays = { |
| stride: wasProduct, |
| stride: wasStride, |
| chunk: wasChunk, |
| equals: wasEquals |
| }; |
