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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