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dotpath-resolve

Dot-path based object property selector.

Features

• dot-path object traversal
• array traversal
• reverse traversal

Usage

All possible use cases are described in test code.

var resolve = require('dotpath-resolve');
 
// object to be searched
var obj = {
  k1: {
    k11: 'k11',
    k2: 'k1.k2',
    k3: [1, 2, 3]
  },
  k2: 'k2'
};
 
resolve(obj, 'k2');       // k2
resolve(obj, 'k1.k11');   // k11
resolve(obj, 'k2', 'k1'); // k1.k2
resolve(obj, 'k1.k3.1');  // 2
resolve(obj, 'missing');  // undefined
resolve(obj, 'k2', 'k1.k3.0.missing'); // k1.k2

Public API

resolve(obj, selector, [startSelector])

Search given object using dotpath selector and optionally start selector.

Parameters:

• obj {Object|Array} - Object to be searched
• selector {String} - Dotpath selector
• [startSelector] {String} - Optional search start selector

Return Values:

Returns a value of obj key specified by given selector or undefined if a key was not found.

Private API

Complete API Documentation including private and public methods is generated from source code by JSDoc tool and is available here.

Code coverage

Code coverage report for all files is available here.

Scripts

• npm test - run tests
• npm run jsdoc - build jsdoc
• npm run dev - run tests continuously

License

The MIT License (MIT)