Created
October 13, 2021 00:09
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Create a nested array of objects with id and parentId pointers
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| export const formatNested = function (flatArray: any[], id: any, parentId: any): Array<any> { | |
| const collection: Array<any> = []; | |
| flatArray.forEach((item) => (collection[item[id]] = { ...item, children: [] })); | |
| const result: Array<any> = []; | |
| flatArray.forEach((item) => { | |
| if (item[parentId]) { | |
| if (collection[item[parentId]]) { | |
| collection[item[parentId]].children.push(collection[item[id]]); | |
| } | |
| } else { | |
| result.push(collection[item[id]]); | |
| } | |
| }); | |
| return result; | |
| }; | |
| // formatNested(collection, 'id', 'parent'); |
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