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