1 | "use strict"; |
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2 | (function ($) { |
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3 | var Always = (function () { |
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4 | function Always($element) { |
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5 | var _this = this; |
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6 | this.insertedCallbacks = {}; |
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7 | this.removedCallbacks = {}; |
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8 | this.$element = $element; |
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9 | (this.observer = new ('undefined' !== typeof MutationObserver ? MutationObserver : WebKitMutationObserver)(function (mutations) { |
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0 ignored issues
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The variable
MutationObserver seems to be never declared. If this is a global, consider adding a /** global: MutationObserver */ comment.
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed. To learn more about declaring variables in Javascript, see the MDN. ![]() |
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10 | mutations.forEach(function (mutation) { |
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11 | if ('childList' !== mutation.type) { |
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12 | return; |
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13 | } |
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14 | [].forEach.call(mutation.addedNodes, function (node) { |
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15 | if (Node.ELEMENT_NODE !== node.nodeType) { |
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0 ignored issues
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The variable
Node seems to be never declared. If this is a global, consider adding a /** global: Node */ comment.
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed. To learn more about declaring variables in Javascript, see the MDN. ![]() |
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16 | return; |
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17 | } |
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18 | _this.notifyInserted(node); |
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19 | }); |
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20 | [].forEach.call(mutation.removedNodes, function (node) { |
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21 | if (Node.ELEMENT_NODE !== node.nodeType) { |
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0 ignored issues
–
show
The variable
Node seems to be never declared. If this is a global, consider adding a /** global: Node */ comment.
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed. To learn more about declaring variables in Javascript, see the MDN. ![]() |
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22 | return; |
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23 | } |
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24 | _this.notifyRemoved(node); |
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25 | }); |
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26 | }); |
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27 | })).observe(this.$element.get(0), { |
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28 | childList: true, |
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29 | subtree: true |
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30 | }); |
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31 | } |
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32 | Always.attach = function ($element) { |
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33 | var instance = $element.data('jquery-always'); |
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34 | if (!(instance instanceof Always)) { |
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35 | instance = new Always($element); |
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36 | $element.data('jquery-always', instance); |
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37 | } |
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38 | return instance; |
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39 | }; |
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40 | Always.detach = function ($element) { |
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41 | Always.attach($element).observer.disconnect(); |
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42 | return $element.removeData('jquery-always'); |
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43 | }; |
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44 | Always.normalizeSelector = function (selector) { |
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45 | return selector.split(',').map(function (part) { |
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46 | return part.trim(); |
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47 | }).sort().join(','); |
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48 | }; |
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49 | Always.prototype.addCallback = function (callbacks, selector, callback) { |
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50 | selector = Always.normalizeSelector(selector); |
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51 | if (!callbacks.hasOwnProperty(selector)) { |
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52 | callbacks[selector] = []; |
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53 | } |
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54 | callbacks[selector].push(callback); |
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55 | return this; |
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56 | }; |
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57 | Always.prototype.removeCallback = function (callbacks, selector, callback) { |
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58 | selector = Always.normalizeSelector(selector); |
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59 | if (!callbacks.hasOwnProperty(selector)) { |
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60 | return this; |
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61 | } |
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62 | if (callback) { |
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63 | var index = void 0; |
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64 | while (-1 < (index = callbacks[selector].indexOf(callback))) { |
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65 | callbacks[selector].splice(index, 1); |
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66 | } |
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67 | } |
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68 | else { |
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69 | delete callbacks[selector]; |
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70 | } |
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71 | return this; |
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72 | }; |
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73 | Always.prototype.addInsertedCallback = function (selector, callback) { |
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74 | return this.addCallback(this.insertedCallbacks, selector, callback); |
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75 | }; |
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76 | Always.prototype.addRemovedCallback = function (selector, callback) { |
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77 | return this.addCallback(this.removedCallbacks, selector, callback); |
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78 | }; |
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79 | Always.prototype.removeInsertedCallback = function (selector, callback) { |
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80 | return this.removeCallback(this.insertedCallbacks, selector, callback); |
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81 | }; |
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82 | Always.prototype.removeRemovedCallback = function (selector, callback) { |
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83 | return this.removeCallback(this.removedCallbacks, selector, callback); |
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84 | }; |
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85 | Always.prototype.notifyInserted = function (node) { |
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86 | var _this = this; |
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87 | var $node = $(node), _ = this; |
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88 | Object.keys(this.insertedCallbacks).forEach(function (selector) { |
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89 | if ($node.is(selector)) { |
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90 | _this.insertedCallbacks[selector].forEach(function (callback) { |
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91 | callback.call(node); |
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92 | }); |
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93 | } |
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94 | }); |
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95 | $node.children().each(function () { |
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96 | _.notifyInserted(this); |
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97 | }); |
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98 | return this; |
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99 | }; |
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100 | Always.prototype.notifyRemoved = function (node) { |
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101 | var _this = this; |
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102 | var $node = $(node), _ = this; |
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103 | $node.children().each(function () { |
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104 | _.notifyRemoved(this); |
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105 | }); |
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106 | Object.keys(this.removedCallbacks).forEach(function (selector) { |
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107 | if ($node.is(selector)) { |
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108 | _this.removedCallbacks[selector].forEach(function (callback) { |
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109 | callback.call(node); |
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110 | }); |
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111 | } |
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112 | }); |
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113 | return this; |
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114 | }; |
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115 | return Always; |
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116 | }()); |
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117 | $.extend($.fn, { |
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118 | always: function (selector, onInserted, onRemoved) { |
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119 | return $(this).each(function () { |
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120 | var $this = $(this), always = Always.attach($this); |
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121 | if ('function' === typeof onInserted) { |
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122 | always.addInsertedCallback(selector, onInserted); |
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123 | $this.find(selector).each(function () { |
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124 | onInserted.call(this); |
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125 | }); |
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126 | } |
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127 | if ('function' === typeof onRemoved) { |
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128 | always.addRemovedCallback(selector, onRemoved); |
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129 | } |
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130 | }); |
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131 | }, |
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132 | never: function (selector, onInserted, onRemoved) { |
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133 | return $(this).each(function () { |
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134 | var $this = $(this), always = Always.attach($this); |
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135 | if (!selector) { |
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136 | Always.detach($this); |
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137 | return; |
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138 | } |
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139 | if (!onInserted && !onRemoved) { |
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140 | always.removeInsertedCallback(selector); |
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141 | always.removeRemovedCallback(selector); |
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142 | return; |
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143 | } |
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144 | if (onInserted) { |
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145 | always.removeInsertedCallback(selector, onInserted); |
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146 | } |
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147 | if (onRemoved) { |
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148 | always.removeRemovedCallback(selector, onRemoved); |
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149 | } |
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150 | }); |
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151 | } |
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152 | }); |
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153 | })(jQuery); |
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154 |
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.