find-by-key v1.0.0

Find by Key

Find objects in deeply nested object trees.

Install

$ npm install find-by-key  --save

Usage

var findByKey = require('find-by-key');

var tree = {
  public: {
    serviceList: [
      'pub-service-1',
      'pub-service-2'
    ]
  },
  devices: [{
    device: {
      serviceList: [
        'a-service-1',
        'a-service-2',
        'a-service-3',
        'a-service-4'
      ]
    },
  },{
    device: {
      serviceList: [
        'b-service-1',
        'b-service-2',
        'b-service-3'
      ]
    }
  }]
}

var serviceLists = findByKey(tree, 'serviceList');

// Result
[
  ["pub-service-1", "pub-service-2"],
  ["a-service-1", "a-service-2", "a-service-3", "a-service-4"],
  ["b-service-1", "b-service-2", "b-service-3"]
]

Methods

/**
 * findByKey
 *
 * @param {Object} nested Object to search
 * @param {String} needle Key to find
 * @return {Array}
 */
findByKey(nested, needle);

Legal

Original is taken from http://stackoverflow.com/a/10948908/294076