| Updates the flatten param object with a given value. Value can be anything and, this anything will | |
| be flattened and added to `params`. | |
| `params` is not mutated here. | |
| ### Example | |
| ```javascript | |
| import flat from '@adminjs' | |
| const params = { | |
| name: 'John', | |
| 'education.school.name': 'Harvard', | |
| 'education.school.id': 123, | |
| } | |
| const data = flat.set(params, 'education.shool', { | |
| name: 'Yale', | |
| id: 321, | |
| }) | |
| // results to data === { | |
| // name: 'John', | |
| // 'education.school.name': 'Yale`, | |
| // 'education.school.id': 321, | |
| // } | |
| // value is undefined | |
| const data = flat.set(params, 'education') // results to data === { name: 'John' } | |
| ``` |