add harmony branch details in README (#1507)

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kzc 2017-02-26 12:55:24 -05:00 committed by Alex Lam S.L
parent 13be50a4a9
commit b1c593a041

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@ -10,6 +10,9 @@ There's also an
[in-browser online demo](http://lisperator.net/uglifyjs/#demo) (for Firefox, [in-browser online demo](http://lisperator.net/uglifyjs/#demo) (for Firefox,
Chrome and probably Safari). Chrome and probably Safari).
Note: release versions of `uglify-js` only support ECMAScript 5 (ES5). If you wish to minify
ES2015+ (ES6+) code then please use the [harmony](#harmony) development branch.
Install Install
------- -------
@ -966,3 +969,20 @@ The `source_map_options` (optional) can contain the following properties:
[codegen]: http://lisperator.net/uglifyjs/codegen [codegen]: http://lisperator.net/uglifyjs/codegen
[compressor]: http://lisperator.net/uglifyjs/compress [compressor]: http://lisperator.net/uglifyjs/compress
[parser]: http://lisperator.net/uglifyjs/parser [parser]: http://lisperator.net/uglifyjs/parser
#### Harmony
If you wish to use the experimental [harmony](https://github.com/mishoo/UglifyJS2/commits/harmony)
branch to minify ES2015+ (ES6+) code please use the following in your `package.json` file:
```
"uglify-js": "git+https://github.com/mishoo/UglifyJS2.git#harmony"
```
or to directly install the experimental harmony version of uglify:
```
npm install --save-dev uglify-js@github:mishoo/UglifyJS2#harmony
```
See [#448](https://github.com/mishoo/UglifyJS2/issues/448) for additional details.