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1
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export var isShiftPressed: boolean = false; |
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2
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export var isCtrlPressed: boolean = false; |
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3
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4
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export function isHtmlElement(object: any) { |
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5
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return object instanceof HTMLElement; |
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6
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} |
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7
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8
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export function initHelpers(): void { |
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9
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document.addEventListener('keydown', event => handleKeyDown(event)); |
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10
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document.addEventListener('keyup', event => handleKeyUp(event)); |
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11
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} |
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12
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13
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export function onReady(fn: () => void) { |
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14
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if (document.readyState != 'loading') { |
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15
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fn(); |
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16
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} else { |
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17
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document.addEventListener('DOMContentLoaded', fn); |
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18
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} |
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19
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} |
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20
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21
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export function assigned(obj: any): boolean { |
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22
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return !(typeof obj === 'undefined' || obj === null); |
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23
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} |
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24
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25
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function handleKeyDown(event: KeyboardEvent) { |
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26
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handleKeyToggle(event, true); |
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27
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} |
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28
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29
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function handleKeyUp(event: KeyboardEvent) { |
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30
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handleKeyToggle(event, false); |
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31
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} |
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32
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33
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function handleKeyToggle(event: KeyboardEvent, isPressed: boolean) { |
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34
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if (event.key === 'Shift') { |
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35
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isShiftPressed = isPressed; |
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36
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} else if (event.key === 'Control') { |
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37
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isCtrlPressed = isPressed; |
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38
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} |
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39
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} |
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40
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41
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export function findTextNodes(baseNode: Node): Array<Node> { |
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42
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if (!assigned(baseNode)) { |
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43
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baseNode = document.documentElement; |
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44
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} |
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45
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46
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let walker = document.createTreeWalker(baseNode, NodeFilter.SHOW_TEXT, null); |
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47
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let node; |
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48
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let results = []; |
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49
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while (node = walker.nextNode()) { |
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50
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results.push(node); |
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51
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} |
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52
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53
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return results; |
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54
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} |
Serraniel /
AniwatchPlus
