js-nested-pick
Creates an object composed of the picked object properties from a nested object using a dot path, select specific fields based conditions with filter arrays with MongoDB queries
Can be used in js/ts projects in node/browser.
Support select number of fields from nested object with dot and object with query:
How to use:
const pick = require('js-nested-pick');
const data = {
name: 'Dan',
age: 30,
}
const values = pick(data, ['name']) // {name: 'Dan'}- Simple select
['name', 'age']
Select name and age from object
- Deep select with dot
['user.firstname']
Select user.name from inner object
- Ommit fileds
['-password']
Select all fields except the password
- Deep ommit fileds with dot
['-user.address']
Select all fields except the user address
- Deep select/ ommit using object with path
['*', {path: 'user', select: ['-paasword']}]
Select all fields, but in the user object, remove the password field
- Select field in root object base of query on the data - using sift (read sift docs to see the options)
[{when: {isPublic: true}, then: ['*'], otherwise: ['title']}]
When the data.isPublic equal to true then in the data.posts select all fields, otherwise select only the title (post can be object or array)
- Select field in inner object or array base of query on the data - using sift (read sift docs to see the options)
[{path: 'post', when: {isPublic: true}, then: ['*'], otherwise: ['title']}]
When the data.isPublic equal to true then in the data.posts select all fields, otherwise select only the title (post can be object or array)
- Select field in inner object or array base of query on the item data - using sift (read sift docs to see the options)
[{path: 'posts', where: {isPublic: true}, then: ['*'], otherwise: ['title']}]
When the post.isPublic equal to true then select all post fields, otherwise select only the title (post can be object or array)
In-browser Playgrounds
Dependencies:
Test with jest
