Filter out JSON fields using Mongoose's select syntax and JSONPaths.
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README.md

Install

npm install jsonselect;

Usage

select(obj, options)

Options:

  • only: string|array - List of whitespace delimited paths (returned object will only contain those paths)
  • except: string|array - List of whitespace delimited paths (returned object will not contain those paths)

Options can also be a string. See examples.

Paths can be (almost) any JSONPath.

Examples

var select = require('jsonselect');

var a = select(obj, 'username email name.first friends -friends.password');
// equivalent to
var a2 = select(obj, { only: 'username email name.first friends', except: 'friends.password'} );

var b = select(obj, '-password'); // everything except password
// equivalent to
var b2 = select(obj, { except: 'password' });

Using with Mongoose

Coming soon!

TODO

  • better parser for normalized paths
  • properly delete array element using splice/concat