| "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; |