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| const arr = [ | |
| { id: 1, parentid: 0 }, | |
| { id: 4, parentid: 2 }, | |
| { id: 3, parentid: 1 }, | |
| { id: 5, parentid: 0 }, | |
| { id: 6, parentid: 0 }, | |
| { id: 2, parentid: 1 }, | |
| { id: 7, parentid: 4 }, | |
| { id: 8, parentid: 1 }, | |
| { id: 9, parentid: 7 }, |
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| const tree = [ | |
| { | |
| name: '1', | |
| children: [ | |
| { | |
| name: '1-1', | |
| }, | |
| ] | |
| }, | |
| { |