node package manager

dot-component

MongoDB-style "dot notation" querying for JavaScript.

dot

MongoDB-style "dot notation" querying for JavaScript.

Installation

$ component install component/dot

Example

var dot = require('dot');
var obj = {
  name: {
    first: "tobi"
  },
  pets: [
    { id: 1, name: 'loki' },
    { id: 2, name: 'jane' }
  ]
};
 
dot.get(obj, 'name.first'); // tobi 
dot.get(obj, 'name.1.id'); // 2 
dot.parent(obj, 'name.first'); // obj.name 
dot.set(obj, 'name.1.name', 'Jane');

API

get(obj, path)

Queries the given path in obj.

set(obj, path, val, init)

Sets the given path to val in obj. If init is false it won't initialize the path if it doesn't exit.

parent(obj, path, init)

Returns the parent object/array that contains path within obj. Could be obj itself. If init is true it initializes the path.

License

MIT