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Create nested values and any intermediaries using dot notation (‘'a.b.c’`) paths.

Install

Install with npm:

$ npm install --save set-value

Usage

var set = require('set-value');
set(object, prop, value);

Params

  • object **{object}**: The object to set value on
  • prop **{string}**: The property to set. Dot-notation may be used.
  • value **{any}**: The value to set on object[prop]

Examples

Updates and returns the given object:

var obj = {};
set(obj, 'a.b.c', 'd');
console.log(obj);
//=> { a: { b: { c: 'd' } } }

Escaping

Escaping with backslashes

Prevent set-value from splitting on a dot by prefixing it with backslashes:

console.log(set({}, 'a\\.b.c', 'd'));
//=> { 'a.b': { c: 'd' } }
console.log(set({}, 'a\\.b\\.c', 'd'));
//=> { 'a.b.c': 'd' }

Escaping with double-quotes or single-quotes

Wrap double or single quotes around the string, or part of the string, that should not be split by set-value:

console.log(set({}, '"a.b".c', 'd'));
//=> { 'a.b': { c: 'd' } }
console.log(set({}, "'a.b'.c", "d"));
//=> { 'a.b': { c: 'd' } }
console.log(set({}, '"this/is/a/.file.path"', 'd'));
//=> { 'this/is/a/file.path': 'd' }

Bracket support

set-value does not split inside brackets or braces:

console.log(set({}, '[a.b].c', 'd'));
//=> { '[a.b]': { c: 'd' } }
console.log(set({}, "(a.b).c", "d"));
//=> { '(a.b)': { c: 'd' } }
console.log(set({}, "<a.b>.c", "d"));
//=> { '<a.b>': { c: 'd' } }
console.log(set({}, "{a..b}.c", "d"));
//=> { '{a..b}': { c: 'd' } }

History

v2.0.0

  • Adds support for escaping with double or single quotes. See escaping for examples.
  • Will no longer split inside brackets or braces. See bracket support for examples.

If there are any regressions please create a bug report. Thanks!

About

Related projects

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Contributors

Commits Contributor
59 jonschlinkert
1 vadimdemedes
1 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](LICENSE).


This file was generated by verb-generate-readme, v0.6.0, on June 21, 2017.