react-sortable-tree-node/dist/SortableTree/utils/memoized-tree-data-utils.js

react-sortable-tree-node

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.memoizedGetDescendantCount = exports.memoizedGetFlatDataFromTree = exports.memoizedInsertNode = void 0;

var _treeDataUtils = require("./tree-data-utils");

var memoize = function memoize(f) {
  var savedArgsArray = [];
  var savedKeysArray = [];
  var savedResult = null;
  return function (args) {
    var keysArray = Object.keys(args).sort();
    var argsArray = keysArray.map(function (key) {
      return args[key];
    }); // If the arguments for the last insert operation are different than this time,
    // recalculate the result

    if (argsArray.length !== savedArgsArray.length || argsArray.some(function (arg, index) {
      return arg !== savedArgsArray[index];
    }) || keysArray.some(function (key, index) {
      return key !== savedKeysArray[index];
    })) {
      savedArgsArray = argsArray;
      savedKeysArray = keysArray;
      savedResult = f(args);
    }

    return savedResult;
  };
};

var memoizedInsertNode = memoize(_treeDataUtils.insertNode);
exports.memoizedInsertNode = memoizedInsertNode;
var memoizedGetFlatDataFromTree = memoize(_treeDataUtils.getFlatDataFromTree);
exports.memoizedGetFlatDataFromTree = memoizedGetFlatDataFromTree;
var memoizedGetDescendantCount = memoize(_treeDataUtils.getDescendantCount);
exports.memoizedGetDescendantCount = memoizedGetDescendantCount;