Use powerful dot notation (dot path + wildcard) to access properties of JSON.
If you need to do set or delete, use dot-wild which has all functions.
$ npm install dot-wild-tiny --save
# or
$ yarn add dot-wild-tiny
import * as dot from 'dot-wild-tiny';
/**
* Getter
*/
dot.get({ foo: { bar: 'baz' } }, 'foo.bar');
// => 'baz'
dot.get({ 'foo.bar': 'baz' }, 'foo\\.bar');
// => 'baz'
dot.get({ 'foo.bar': 'baz' }, 'notfound', 'default');
// => 'default'
const authorData = {
authors: [
{ username: 'tsuyoshiwada', profile: { age: 24 } },
{ username: 'sampleuser', profile: { age: 30 } },
{ username: 'foobarbaz', profile: { age: 33 } }
]
};
dot.get(authorData, 'authors.*.username');
// => ['tsuyoshiwada', 'sampleuser', 'foobarbaz']
dot.get(authorData, 'authors.*.profile.age');
// => [24, 30, 33]
/**
* Collection helpers (forEach, map)
*/
dot.forEach(postData, 'data.posts.*.id', (value, key, context, path, data) => {
// value => 1, 2
// key => 'id', 'id'
// context => { id: 1, title: 'post 1' }, { id: 2, title: 'post 2' }
// path => 'data.posts.0.id', 'data.posts.1.id'
// data => postData...
});
dot.map(postData, 'data.tags.*.name', (value, key, context, path, data) => {
return `${dot.get(data, path)} === ${value} (${key})`;
});
// => ['tag 1 === tag 1 (name)', 'tag 2 === tag 2 (name)']
- Fork it!
- Create your feature branch: git checkout -b my-new-feature
- Commit your changes: git commit -am 'Add some feature'
- Push to the branch: git push origin my-new-feature
- Submit a pull request :D
Bugs, feature requests and comments are more than welcome in the issues.