单独构建大屏ui库,避免引入混乱
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aixianling
254
ui/dv/AiOkrTree/model/node.js
Normal file
254
ui/dv/AiOkrTree/model/node.js
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import {markNodeData} from './util';
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import objectAssign from './merge';
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const getPropertyFromData = function (node, prop) {
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const props = node.store.props;
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const data = node.data || {};
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const config = props[prop];
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if (typeof config === 'function') {
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return config(data, node);
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} else if (typeof config === 'string') {
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return data[config];
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} else if (typeof config === 'undefined') {
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const dataProp = data[prop];
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return dataProp === undefined ? '' : dataProp;
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}
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};
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let nodeIdSeed = 0;
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export default class Node {
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constructor(options, isLeftChild = false) {
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this.isLeftChild = isLeftChild;
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this.id = nodeIdSeed++;
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this.data = null;
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this.expanded = false;
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this.leftExpanded = false;
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this.isCurrent = false;
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this.visible = true;
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this.parent = null;
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for (let name in options) {
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if (options.hasOwnProperty(name)) {
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this[name] = options[name];
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}
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}
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this.level = 0;
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this.childNodes = [];
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this.leftChildNodes = [];
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if (this.parent) {
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this.level = this.parent.level + 1;
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}
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const store = this.store;
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if (!store) {
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throw new Error('[Node]store is required!');
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}
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store.registerNode(this);
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if (this.data) {
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this.setData(this.data, isLeftChild);
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if (store.defaultExpandAll || !store.showCollapsable) {
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this.expanded = true;
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this.leftExpanded = true;
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}
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}
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if (!Array.isArray(this.data)) {
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markNodeData(this, this.data);
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}
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if (!this.data) return;
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const defaultExpandedKeys = store.defaultExpandedKeys;
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const key = store.key;
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if (
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key &&
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defaultExpandedKeys &&
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defaultExpandedKeys.indexOf(this.key) !== -1
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) {
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this.expand(null, true);
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}
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if (
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key &&
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store.currentNodeKey !== undefined &&
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this.key === store.currentNodeKey
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) {
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store.currentNode = this;
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store.currentNode.isCurrent = true;
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}
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this.updateLeafState();
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}
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setData(data, isLeftChild) {
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if (!Array.isArray(data)) {
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markNodeData(this, data);
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}
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const store = this.store;
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this.data = data;
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this.childNodes = [];
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let children;
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if (this.level === 0 && this.data instanceof Array) {
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children = this.data;
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} else {
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children = getPropertyFromData(this, 'children') || [];
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}
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for (let i = 0, j = children.length; i < j; i++) {
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this.insertChild({ data: children[i] }, null, null, isLeftChild);
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}
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}
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get key() {
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const nodeKey = this.store.key;
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if (this.data) return this.data[nodeKey];
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return null;
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}
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get label() {
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return getPropertyFromData(this, 'label');
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}
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// 是否是 OKR 飞书模式
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hasLeftChild() {
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const store = this.store;
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return store.onlyBothTree && store.direction === 'horizontal';
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}
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insertChild(child, index, batch, isLeftChild) {
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if (!child) throw new Error('insertChild error: child is required.');
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if (!(child instanceof Node)) {
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if (!batch) {
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const children = this.getChildren(true);
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if (children.indexOf(child.data) === -1) {
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if (index === undefined || index === null || index < 0) {
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children.push(child.data);
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} else {
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children.splice(index, 0, child.data);
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}
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}
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}
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objectAssign(child, {
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parent: this,
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store: this.store,
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});
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child = new Node(child, isLeftChild);
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}
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child.level = this.level + 1;
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if (index === undefined || index === null || index < 0) {
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this.childNodes.push(child);
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} else {
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this.childNodes.splice(index, 0, child);
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}
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this.updateLeafState();
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}
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getChildren(forceInit = false) {
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// this is data
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if (this.level === 0) return this.data;
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const data = this.data;
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if (!data) return null;
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const props = this.store.props;
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let children = 'children';
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if (props) {
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children = props.children || 'children';
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}
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if (data[children] === undefined) {
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data[children] = null;
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}
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if (forceInit && !data[children]) {
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data[children] = [];
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}
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return data[children];
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}
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updateLeafState() {
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if (
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this.store.lazy === true &&
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this.loaded !== true &&
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typeof this.isLeafByUser !== 'undefined'
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) {
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this.isLeaf = this.isLeafByUser;
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return;
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}
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const childNodes = this.childNodes;
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if (
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!this.store.lazy ||
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(this.store.lazy === true && this.loaded === true)
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) {
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this.isLeaf = !childNodes || childNodes.length === 0;
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return;
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}
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this.isLeaf = false;
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}
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updateLeftLeafState() {
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if (
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this.store.lazy === true &&
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this.loaded !== true &&
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typeof this.isLeafByUser !== 'undefined'
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) {
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this.isLeaf = this.isLeafByUser;
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return;
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}
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const childNodes = this.leftChildNodes;
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if (
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!this.store.lazy ||
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(this.store.lazy === true && this.loaded === true)
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) {
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this.isLeaf = !childNodes || childNodes.length === 0;
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return;
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}
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this.isLeaf = false;
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}
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// 节点的收起
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collapse() {
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this.expanded = false;
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}
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// 节点的展开
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expand(callback, expandParent) {
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const done = () => {
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if (expandParent) {
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let parent = this.parent;
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while (parent.level > 0) {
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parent.isLeftChild
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? (parent.leftExpanded = true)
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: (parent.expanded = true);
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parent = parent.parent;
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}
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}
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this.isLeftChild ? (this.leftExpanded = true) : (this.expanded = true);
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if (callback) callback();
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};
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done();
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}
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removeChild(child) {
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const children = this.getChildren() || [];
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const dataIndex = children.indexOf(child.data);
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if (dataIndex > -1) {
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children.splice(dataIndex, 1);
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}
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const index = this.childNodes.indexOf(child);
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if (index > -1) {
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this.store && this.store.deregisterNode(child);
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child.parent = null;
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this.childNodes.splice(index, 1);
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}
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this.updateLeafState();
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}
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insertBefore(child, ref) {
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let index;
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if (ref) {
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index = this.childNodes.indexOf(ref);
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}
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this.insertChild(child, index);
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}
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insertAfter(child, ref) {
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let index;
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if (ref) {
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index = this.childNodes.indexOf(ref);
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if (index !== -1) index += 1;
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}
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this.insertChild(child, index);
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}
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}
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