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Modify the names of the own enumerable properties (keys) of an object.

Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your ❤️ and support.

Install

Install with npm:

$ npm install --save rename-keys

Usage

var renameKeys = require('rename-keys');

API

Params

  • object {Object}: The object with keys to rename.
  • fn {Function}: Renaming function to use on each key in the object.
  • returns {Object}: Returns a new object with renamed keys.

Example

var obj = renameKeys({a: 1, b: 2, c: 3}, function(key, val) {
  return '--' + key;
});
console.log(obj);
//=> { '--a': 1, '--b': 2, '--c': 3}

Rename based on value

var obj = renameKeys({a: 1, b: 2, c: 3}, function(key, val) {
  return val > 1 ? ('++' + key) : ('--' + key);
});
console.log(obj);
//=> {'--a': 1, '++b': 2, '++c': 3};

About

Contributing

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

Contributors

Commits Contributor
15 jonschlinkert
5 doowb
2 stellard
1 kof
1 robinbullocks4rb
1 palanik

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, v0.6.0, on October 13, 2017.