Changelog

v2.3.0 / 2021-04-01

• Added TypeScript types
• Added consistent support for custom .toString() methods on arguments, thanks Stanislav Titenko

v2.2.6 / 2018-06-08

• Fixed compatibility issue with usage in an es module environment

v2.2.5 / 2016-05-02

• Improved performance of dedupe variant even further, thanks Andres Suarez

v2.2.4 / 2016-04-25

• Improved performance of dedupe variant by about 2x, thanks Bartosz Gościński

v2.2.3 / 2016-01-05

• Updated bind variant to use [].join(' ') as per the main script in 2.2.2

v2.2.2 / 2016-01-04

• Switched from string concatenation to [].join(' ') for a slight performance gain in the main function.

v2.2.1 / 2015-11-26

• Add deps parameter to the AMD module, fixes an issue using the Dojo loader, thanks Chris Jordan

v2.2.0 / 2015-10-18

• added a new bind variant for use with css-modules and similar abstractions, thanks to Kirill Yakovenko

v2.1.5 / 2015-09-30

• reverted a new usage of Object.keys in dedupe.js that slipped through in the last release

v2.1.4 / 2015-09-30

• new case added to benchmarks
• safer hasOwnProperty check
• AMD module is now named, so you can do the following:

define(["classnames"], function (classNames) {
  var style = classNames("foo", "bar");
  // ...
});

v2.1.3 / 2015-07-02

• updated UMD wrapper to support AMD and CommonJS on the same pacge

v2.1.2 / 2015-05-28

• added a proper UMD wrapper

v2.1.1 / 2015-05-06

• minor performance improvement thanks to type caching
• improved benchmarking and results output

v2.1.0 / 2015-05-05

• added alternate dedupe version of classNames, which is slower (10x) but ensures that if a class is added then overridden by a falsy value in a subsequent argument, it is excluded from the result.

v2.0.0 / 2015-05-03

• performance improvement; switched to Array.isArray for type detection, which is much faster in modern browsers. A polyfill is now required for IE8 support, see the Readme for details.

v1.2.2 / 2015-04-28

• license comment updates to simiplify certain build scenarios

v1.2.1 / 2015-04-22

• added safe exporting for requireJS usage
• clarified Bower usage and instructions

v1.2.0 / 2015-03-17

• added comprehensive support for array arguments, including nested arrays
• simplified code slightly

Previous

Please see the git history for the details of previous versions.