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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 to get a nested value from an object.")
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 paths.")
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 paths.")

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

This file was generated by verb-generate-readme, v0.4.2, on February 25, 2017.

README.md