Created
October 6, 2017 21:53
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JS Bin // source http://jsbin.com/cadutosope
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script src="https://cdn.jsdelivr.net/lodash/4/lodash.min.js"></script> | |
| <script id="jsbin-javascript"> | |
| const item = {"0": | |
| [{"id": 10, | |
| "title": "House", | |
| "level": 0, | |
| "children": [], | |
| "parent_id": null}], | |
| "1": | |
| [{"id": 12, | |
| "title": "Red Roof", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}, | |
| {"id": 18, | |
| "title": "Blue Roof", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}, | |
| {"id": 13, | |
| "title": "Wall", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}], | |
| "2": | |
| [{"id": 17, | |
| "title": "Blue Window", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 12}, | |
| {"id": 16, | |
| "title": "Door", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 13}, | |
| {"id": 15, | |
| "title": "Red Window", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 12}]}; | |
| var arr = _.flatten(_.values(item)); | |
| function buildTree(arr){ | |
| var a=_.keyBy(arr, 'id') | |
| return _ | |
| .chain(arr) | |
| .groupBy('parent_id') | |
| .forEach(function(v,k){ | |
| console.log(a, v, k); | |
| k!=null && (a[k].children=(a[k].children||[]).concat(v)); | |
| }) | |
| .result(null) | |
| .value(); | |
| } | |
| tree = buildTree( arr ); | |
| document.body.innerHTML = "<pre>" + (JSON.stringify(tree, null, " ")); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">const item = {"0": | |
| [{"id": 10, | |
| "title": "House", | |
| "level": 0, | |
| "children": [], | |
| "parent_id": null}], | |
| "1": | |
| [{"id": 12, | |
| "title": "Red Roof", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}, | |
| {"id": 18, | |
| "title": "Blue Roof", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}, | |
| {"id": 13, | |
| "title": "Wall", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}], | |
| "2": | |
| [{"id": 17, | |
| "title": "Blue Window", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 12}, | |
| {"id": 16, | |
| "title": "Door", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 13}, | |
| {"id": 15, | |
| "title": "Red Window", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 12}]}; | |
| var arr = _.flatten(_.values(item)); | |
| function buildTree(arr){ | |
| var a=_.keyBy(arr, 'id') | |
| return _ | |
| .chain(arr) | |
| .groupBy('parent_id') | |
| .forEach(function(v,k){ | |
| console.log(a, v, k); | |
| k!=null && (a[k].children=(a[k].children||[]).concat(v)); | |
| }) | |
| .result(null) | |
| .value(); | |
| } | |
| tree = buildTree( arr ); | |
| document.body.innerHTML = "<pre>" + (JSON.stringify(tree, null, " "));</script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| const item = {"0": | |
| [{"id": 10, | |
| "title": "House", | |
| "level": 0, | |
| "children": [], | |
| "parent_id": null}], | |
| "1": | |
| [{"id": 12, | |
| "title": "Red Roof", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}, | |
| {"id": 18, | |
| "title": "Blue Roof", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}, | |
| {"id": 13, | |
| "title": "Wall", | |
| "level": 1, | |
| "children": [], | |
| "parent_id": 10}], | |
| "2": | |
| [{"id": 17, | |
| "title": "Blue Window", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 12}, | |
| {"id": 16, | |
| "title": "Door", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 13}, | |
| {"id": 15, | |
| "title": "Red Window", | |
| "level": 2, | |
| "children": [], | |
| "parent_id": 12}]}; | |
| var arr = _.flatten(_.values(item)); | |
| function buildTree(arr){ | |
| var a=_.keyBy(arr, 'id') | |
| return _ | |
| .chain(arr) | |
| .groupBy('parent_id') | |
| .forEach(function(v,k){ | |
| console.log(a, v, k); | |
| k!=null && (a[k].children=(a[k].children||[]).concat(v)); | |
| }) | |
| .result(null) | |
| .value(); | |
| } | |
| tree = buildTree( arr ); | |
| document.body.innerHTML = "<pre>" + (JSON.stringify(tree, null, " ")); |
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