60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useTreeData;
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var React = _interopRequireWildcard(require("react"));
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var _legacyUtil = require("../utils/legacyUtil");
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function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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function buildTreeStructure(nodes, config) {
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const {
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id,
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pId,
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rootPId
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} = config;
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const nodeMap = new Map();
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const rootNodes = [];
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nodes.forEach(node => {
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const nodeKey = node[id];
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const clonedNode = {
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...node,
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key: node.key || nodeKey
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};
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nodeMap.set(nodeKey, clonedNode);
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});
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nodeMap.forEach(node => {
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const parentKey = node[pId];
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const parent = nodeMap.get(parentKey);
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if (parent) {
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parent.children = parent.children || [];
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parent.children.push(node);
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} else if (parentKey === rootPId || rootPId === null) {
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rootNodes.push(node);
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}
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});
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return rootNodes;
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}
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/**
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* 将 `treeData` 或 `children` 转换为格式化的 `treeData`。
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* 如果 `treeData` 或 `children` 没有变化，则不会重新计算。
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*/
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function useTreeData(treeData, children, simpleMode) {
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return React.useMemo(() => {
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if (treeData) {
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if (simpleMode) {
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const config = {
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id: 'id',
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pId: 'pId',
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rootPId: null,
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...(typeof simpleMode === 'object' ? simpleMode : {})
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};
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return buildTreeStructure(treeData, config);
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}
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return treeData;
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}
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return (0, _legacyUtil.convertChildrenToData)(children);
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}, [children, simpleMode, treeData]);
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} |