| Returns sub-property from the flatten params. When the property path is not given function returns | |
| an entire unflatten object. | |
| ### Example | |
| ```javascript | |
| import flat from '@adminjs' | |
| const params = { | |
| name: 'John', | |
| 'education.school.name': 'Harvard', | |
| 'education.school.id': 123, | |
| } | |
| const data = flat.get(params, 'education.school') | |
| // results to { | |
| // name: 'Harvard', | |
| // id: 321, | |
| // } | |
| // value is undefined | |
| const data = flat.get(params) | |
| // results to { | |
| // name: 'John', | |
| // education: { | |
| // school: { | |
| // name: 'Harvard', | |
| // id: 321, | |
| // } | |
| // } | |
| // } | |
| ``` |