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Convert large amounts of data array to nested data structure fastly!
Use the test data that array length 46086, just take about 0.1 second.

In Node.js:

$ npm i smart-arraytotree --save

var smartArrayToTree = require('../index.js'); var fetch = require('node-fetch'); //get test data length 46086 fetch('https://raw.githubusercontent.com/internet5/smart-array-to-tree/master/example/data.json').then(function(response) { return response.json(); }).then(function(data) { //start time console.log(new Date()); //transform let tree = smartArrayToTree(data, { id:'regionId', pid:'parentId', firstPid:null }); //end time console.log(new Date()); }).catch(function(e) { console.log(e); }); /*console*/ //2017-11-21T09:51:37.930Z //2017-11-21T09:51:37.979Z

In a browser:

<script src="smartArrayToTree.js"></script>

<script src="http://code.jquery.com/jquery-2.2.4.min.js" integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script> <script src="smartArrayToTree.js"></script> <script> window.onload = function () { $.getJSON("https://raw.githubusercontent.com/internet5/smart-array-to-tree/master/example/data.json", function (data) { console.log(new Date()); var tree = smartArrayToTree(data, { id: 'regionId', pid: 'parentId', firstPid: null }); console.log(new Date()); console.log(tree) }); } </script>

• Array data: An array of data
• Object options: An object containing the following fields:
  • id (String): An unique node identifier. Default: 'id'
  • pid (String): A name of a property where a link to a parent node could be found. Default: 'pid'
  • children (String): The child node name that you want. Default: 'children'  - firstPid (String): The parent id of top level node . Default: null

• Array: Result of transformation