object-lookup

Safe object lookup of nested properties.

Installation

  npm install object-lookup --save

Usage

The module exposes a method that checks if the given nested property of an object exists and if it does it returns its value, otherwise it returns false.

var lookup = require('object-lookup');

var object1 = {
    one: 'one',
    two: 'two',
    three: {
        four: 'hello'
    }
}

console.log(lookup(object1, 'one')); // one
console.log(lookup(object1, 'three.four')); // hello
console.log(lookup(object1, 'three.four.five')); // false
console.log(lookup(object1, 'three.four.five.six')); // prints false

Tests

To run the tests execute:

    npm test

License

Copyright (c) 2015, Dinos Theodorou

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.