| 1 | 1 | 'use strict'; |
| 2 | | |
| 3 | | // ----- main constructor |
| 4 | | // -- @param el {Array} HTMLElement array |
| 5 | | // --------------------------------------- |
| 6 | 1 | var Query = function(el) { |
| 7 | 20 | this.el = el; |
| 8 | | }; |
| 9 | | |
| 10 | | |
| 11 | 1 | Query.prototype = { |
| 12 | | |
| 13 | | constructor: Query, |
| 14 | | |
| 15 | | |
| 16 | | // --------------------------------- core --------------------------------- |
| 17 | | |
| 18 | | each: function(cb) { |
| 19 | | |
| 20 | 15 | for (var i = 0, len = this.el.length; i < len; i++) { |
| 21 | 21 | cb(this.el[i], i); |
| 22 | | } |
| 23 | | |
| 24 | 15 | return this; |
| 25 | | |
| 26 | | }, |
| 27 | | |
| 28 | | |
| 29 | | // --------------------------------- manipulation --------------------------------- |
| 30 | | |
| 31 | | append: function(str) { |
| 32 | | |
| 33 | 2 | this.each(function(el) { |
| 34 | 3 | el.appendChild(document.createElement(str).cloneNode(true)); // append copy |
| 35 | | }); |
| 36 | | |
| 37 | 2 | return this; |
| 38 | | |
| 39 | | }, |
| 40 | | |
| 41 | | empty: function() { |
| 42 | | |
| 43 | 2 | this.each(function(el) { |
| 44 | 3 | el.innerHTML = ''; |
| 45 | | }); |
| 46 | | |
| 47 | 2 | return this; |
| 48 | | |
| 49 | | }, |
| 50 | | |
| 51 | | hide: function() { |
| 52 | | |
| 53 | 2 | this.each(function(el) { |
| 54 | 3 | el.style.display = 'none'; |
| 55 | | }); |
| 56 | | |
| 57 | 2 | return this; |
| 58 | | |
| 59 | | }, |
| 60 | | |
| 61 | | show: function() { |
| 62 | | |
| 63 | 2 | this.each(function(el) { |
| 64 | 3 | el.style.display = ''; |
| 65 | | }); |
| 66 | | |
| 67 | 2 | return this; |
| 68 | | }, |
| 69 | | |
| 70 | | toggle: function() { |
| 71 | | |
| 72 | 4 | this.each(function(el) { |
| 73 | 6 | el.style.display = el.style.display === 'none' ? '' : 'none'; |
| 74 | | }); |
| 75 | | |
| 76 | 4 | return this; |
| 77 | | |
| 78 | | } |
| 79 | | |
| 80 | | // --------------------------------- traversal --------------------------------- |
| 81 | | |
| 82 | | |
| 83 | | |
| 84 | | }; // end Query.prototype |
| 85 | | |
| 86 | | |
| 87 | | |
| 88 | | |
| 89 | | |
| 90 | | |
| 91 | | // --------------------------------- helpers --------------------------------- |
| 92 | | |
| 93 | | // ----- convert HTMLCollection to Array |
| 94 | | // -- @param nodeList {NodeList|HTMLCollection} |
| 95 | | // -- @return {Array} |
| 96 | | // based on http://stackoverflow.com/q/3199588/4459340 |
| 97 | | // --------------------------------------- |
| 98 | 1 | function toArray(nodeList) { |
| 99 | | |
| 100 | 21 | var i = nodeList.length; |
| 101 | 21 | var arr = []; |
| 102 | | |
| 103 | 21 | while (i--) { |
| 104 | 28 | arr.unshift(nodeList[i]); |
| 105 | | } |
| 106 | | |
| 107 | 21 | return arr; |
| 108 | | |
| 109 | | } |
| 110 | | |
| 111 | | |
| 112 | | // --------------------------------- exports --------------------------------- |
| 113 | | |
| 114 | | // ----- export factory & selector engine |
| 115 | | // -- @param? selector {String} css-like selector |
| 116 | | // -- @return {Query} new s-query object |
| 117 | | // --------------------------------------- |
| 118 | 1 | module.exports = function(selector) { |
| 119 | 16 | var arr = toArray(document.querySelectorAll(selector)); |
| 120 | 16 | return new Query(arr); |
| 121 | | }; |
| 122 | | |
| 123 | | |
| 124 | | // ----- selector engine |
| 125 | | // -- @param id|className|tagName|name {String} |
| 126 | | // -- @return {Query} |
| 127 | | // --------------------------------------- |
| 128 | 1 | module.exports.byId = function(id) { |
| 129 | 1 | return new Query([document.getElementById(id)]); |
| 130 | | }; |
| 131 | | |
| 132 | 1 | module.exports.byClass = function(className) { |
| 133 | 1 | var elements = toArray(document.getElementsByClassName(className)); |
| 134 | 1 | return new Query(elements); |
| 135 | | }; |
| 136 | | |
| 137 | 1 | module.exports.byTag = function(tag) { |
| 138 | 1 | var elements = toArray(document.getElementsByTagName(tag)); |
| 139 | 1 | return new Query(elements); |
| 140 | | }; |
| 141 | | |
| 142 | 1 | module.exports.byName = function(name) { |
| 143 | 1 | var elements = toArray(document.getElementsByName(name)); |
| 144 | 1 | return new Query(elements); |
| 145 | | }; |
| 146 | | |
| 147 | | |
| 148 | | // attach helper functions |
| 149 | 1 | module.exports.toArray = toArray; |