130 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| Object.defineProperty(exports, "__esModule", { value: true });
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| exports.prepend = exports.prependChild = exports.append = exports.appendChild = exports.replaceElement = exports.removeElement = void 0;
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| /**
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|  * Remove an element from the dom
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|  *
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|  * @param elem The element to be removed
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|  */
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| function removeElement(elem) {
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|     if (elem.prev)
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|         elem.prev.next = elem.next;
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|     if (elem.next)
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|         elem.next.prev = elem.prev;
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|     if (elem.parent) {
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|         var childs = elem.parent.children;
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|         childs.splice(childs.lastIndexOf(elem), 1);
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|     }
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| }
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| exports.removeElement = removeElement;
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| /**
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|  * Replace an element in the dom
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|  *
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|  * @param elem The element to be replaced
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|  * @param replacement The element to be added
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|  */
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| function replaceElement(elem, replacement) {
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|     var prev = (replacement.prev = elem.prev);
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|     if (prev) {
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|         prev.next = replacement;
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|     }
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|     var next = (replacement.next = elem.next);
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|     if (next) {
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|         next.prev = replacement;
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|     }
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|     var parent = (replacement.parent = elem.parent);
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|     if (parent) {
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|         var childs = parent.children;
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|         childs[childs.lastIndexOf(elem)] = replacement;
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|     }
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| }
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| exports.replaceElement = replaceElement;
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| /**
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|  * Append a child to an element.
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|  *
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|  * @param elem The element to append to.
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|  * @param child The element to be added as a child.
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|  */
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| function appendChild(elem, child) {
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|     removeElement(child);
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|     child.next = null;
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|     child.parent = elem;
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|     if (elem.children.push(child) > 1) {
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|         var sibling = elem.children[elem.children.length - 2];
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|         sibling.next = child;
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|         child.prev = sibling;
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|     }
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|     else {
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|         child.prev = null;
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|     }
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| }
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| exports.appendChild = appendChild;
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| /**
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|  * Append an element after another.
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|  *
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|  * @param elem The element to append after.
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|  * @param next The element be added.
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|  */
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| function append(elem, next) {
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|     removeElement(next);
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|     var parent = elem.parent;
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|     var currNext = elem.next;
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|     next.next = currNext;
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|     next.prev = elem;
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|     elem.next = next;
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|     next.parent = parent;
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|     if (currNext) {
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|         currNext.prev = next;
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|         if (parent) {
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|             var childs = parent.children;
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|             childs.splice(childs.lastIndexOf(currNext), 0, next);
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|         }
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|     }
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|     else if (parent) {
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|         parent.children.push(next);
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|     }
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| }
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| exports.append = append;
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| /**
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|  * Prepend a child to an element.
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|  *
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|  * @param elem The element to prepend before.
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|  * @param child The element to be added as a child.
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|  */
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| function prependChild(elem, child) {
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|     removeElement(child);
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|     child.parent = elem;
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|     child.prev = null;
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|     if (elem.children.unshift(child) !== 1) {
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|         var sibling = elem.children[1];
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|         sibling.prev = child;
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|         child.next = sibling;
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|     }
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|     else {
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|         child.next = null;
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|     }
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| }
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| exports.prependChild = prependChild;
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| /**
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|  * Prepend an element before another.
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|  *
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|  * @param elem The element to prepend before.
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|  * @param prev The element be added.
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|  */
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| function prepend(elem, prev) {
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|     removeElement(prev);
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|     var parent = elem.parent;
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|     if (parent) {
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|         var childs = parent.children;
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|         childs.splice(childs.indexOf(elem), 0, prev);
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|     }
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|     if (elem.prev) {
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|         elem.prev.next = prev;
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|     }
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|     prev.parent = parent;
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|     prev.prev = elem.prev;
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|     prev.next = elem;
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|     elem.prev = prev;
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| }
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| exports.prepend = prepend;
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