acud/lib/tree-select/src/hooks/useTreeData.js

acg react 组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useTreeData;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var React = _interopRequireWildcard(require("react"));
var _legacyUtil = require("../utils/legacyUtil");
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
function parseSimpleTreeData(treeData, _ref) {
  var id = _ref.id,
    pId = _ref.pId,
    rootPId = _ref.rootPId;
  var keyNodes = {};
  var rootNodeList = [];
  // Fill in the map
  var nodeList = treeData.map(function (node) {
    var clone = (0, _extends2["default"])({}, node);
    var key = clone[id];
    keyNodes[key] = clone;
    clone.key = clone.key || key;
    return clone;
  });
  // Connect tree
  nodeList.forEach(function (node) {
    var parentKey = node[pId];
    var parent = keyNodes[parentKey];
    // Fill parent
    if (parent) {
      parent.children = parent.children || [];
      parent.children.push(node);
    }
    // Fill root tree node
    if (parentKey === rootPId || !parent && rootPId === null) {
      rootNodeList.push(node);
    }
  });
  return rootNodeList;
}
/**
 * Convert `treeData` or `children` into formatted `treeData`.
 * Will not re-calculate if `treeData` or `children` not change.
 */
function useTreeData(treeData, children, simpleMode) {
  return React.useMemo(function () {
    if (treeData) {
      return simpleMode ? parseSimpleTreeData(treeData, (0, _extends2["default"])({
        id: 'id',
        pId: 'pId',
        rootPId: null
      }, simpleMode !== true ? simpleMode : {})) : treeData;
    }
    return (0, _legacyUtil.convertChildrenToData)(children);
  }, [children, simpleMode, treeData]);
}