lodash-deep's Introduction

lodash-deep

Lodash mixins for (deep) object accessing / manipulation.

Version 2.x

In 2.0 most of the methods of this module where removed, because Lodash now supports their functionality natively. E.g.:

_.deepGet(object, 'father.name');
// ->
_.get(object, 'father.name');

_.deepPluck(array, 'father.name');
// ->
_.map(array, 'father.name');

Compatibility

lodash-deep is currently compatible with:

Node.js
All ES5 compatible browsers (IE9+, Chrome, Firefox, Safari etc)

Installation

Bower

bower install lodash-deep
Reference lodash-deep.min.js after lodash.min.js

Node.js

npm install lodash
npm install lodash-deep

var _ = require("lodash");
_.mixin(require("lodash-deep"));

Docs

The following mixins are included in lodash-deep:

_.deepMapValues

_.deepMapValues(object, propertyPath)

Maps all values in an object tree and returns a new object with the same structure as the original.

object

Type: Object

The root object of the object tree.

callback

Type: Function

The function to be called per iteration on any non-object value in the tree.

Callback is invoked with 2 arguments: (value, path).

value the value of the current property.

path the path of the current property.

returns

Type: Object

var object = {
    level1: {
        value: 'value 1'
        level2: {
            value: 'value 2'
            level3: {
                value: 'value 3'
            }
        }
    }
};

_.deepMapValues(object, function(value, path){
    return path + ' is ' + value)
});

/** ->
 *    {
 *        level1: {
 *            value: 'level1.value is value 1'
 *            level2: {
 *                value: 'level1.level2.value is value 2'
 *                level3: {
 *                    value: 'level1.level2.level3.value is value 3'
 *                }
 *            }
 *        }
 *    };
 */