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README.md
unset-value
Delete nested properties from an object using dot notation.
Install
Install with npm:
$ npm install --save unset-value
Usage
var unset = require('unset-value');
var obj = {a: {b: {c: 'd', e: 'f'}}};
unset(obj, 'a.b.c');
console.log(obj);
//=> {a: {b: {e: 'f'}}};
Examples
Updates the object when a property is deleted
var obj = {a: 'b'};
unset(obj, 'a');
console.log(obj);
//=> {}
Returns true when a property is deleted
unset({a: 'b'}, 'a') // true
Returns true
when a property does not exist
This is consistent with delete
behavior in that it does not
throw when a property does not exist.
unset({a: {b: {c: 'd'}}}, 'd') // true
delete nested values
var one = {a: {b: {c: 'd'}}};
unset(one, 'a.b');
console.log(one);
//=> {a: {}}
var two = {a: {b: {c: 'd'}}};
unset(two, 'a.b.c');
console.log(two);
//=> {a: {b: {}}}
var three = {a: {b: {c: 'd', e: 'f'}}};
unset(three, 'a.b.c');
console.log(three);
//=> {a: {b: {e: 'f'}}}
throws on invalid args
unset();
// 'expected an object.'
About
Related projects
- get-value: Use property paths (
a.b.c
) to get a nested value from an object. | homepage - get-values: Return an array of all values from the given object. | homepage
- omit-value: Omit properties from an object or deeply nested property of an object using object path… more | homepage
- put-value: Update only existing values from an object, works with dot notation paths like
a.b.c
and… more | homepage - set-value: Create nested values and any intermediaries using dot notation (
'a.b.c'
) paths. | homepage - union-value: Set an array of unique values as the property of an object. Supports setting deeply… more | homepage
- upsert-value: Update or set nested values and any intermediaries with dot notation (
'a.b.c'
) paths. | homepage
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Contributors
Commits | Contributor |
---|---|
6 | jonschlinkert |
2 | wtgtybhertgeghgtwtg |
Building docs
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verb
Running tests
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
$ npm install && npm test
Author
Jon Schlinkert
License
Copyright © 2017, Jon Schlinkert. Released under the MIT License.
This file was generated by verb-generate-readme, v0.4.2, on February 25, 2017.