react-vir-tree/lib/selectors/filtering.js

react-virtualized-tree React component

"use strict";

exports.__esModule = true;

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var INITIAL_FILTERED_VALUE = { nodes: [], nodeParentMappings: {} };

var filterNodes = exports.filterNodes = function filterNodes(filter, nodes) {
  var parents = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
  return nodes.reduce(function (filtered, n) {
    var _extends2;

    var _ref = n.children ? filterNodes(filter, n.children, [].concat(parents, [n.id])) : INITIAL_FILTERED_VALUE,
        filteredChildren = _ref.nodes,
        childrenNodeMappings = _ref.nodeParentMappings;

    return !(filter(n) || filteredChildren.length) ? filtered : {
      nodes: [].concat(filtered.nodes, [_extends({}, n, {
        children: filteredChildren
      })]),
      nodeParentMappings: _extends({}, filtered.nodeParentMappings, childrenNodeMappings, (_extends2 = {}, _extends2[n.id] = parents, _extends2))
    };
  }, INITIAL_FILTERED_VALUE);
};