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https://github.com/terinjokes/gulp-uglify
Minify files with UglifyJS
https://github.com/terinjokes/gulp-uglify
Last synced: about 12 hours ago
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Minify files with UglifyJS
- Host: GitHub
- URL: https://github.com/terinjokes/gulp-uglify
- Owner: terinjokes
- License: mit
- Created: 2013-07-05T00:25:15.000Z (over 11 years ago)
- Default Branch: master
- Last Pushed: 2021-06-23T02:51:11.000Z (over 3 years ago)
- Last Synced: 2024-12-08T19:18:31.997Z (4 days ago)
- Language: JavaScript
- Size: 356 KB
- Stars: 1,226
- Watchers: 31
- Forks: 154
- Open Issues: 17
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE.md
Awesome Lists containing this project
- awesome-github-star - gulp-uglify
README
# gulp-uglify [![][travis-shield-img]][travis-shield][![][appveyor-shield-img]][appveyor-shield][![][npm-dl-shield-img]][npm-shield][![][npm-v-shield-img]][npm-shield][![][coveralls-shield-img]][coveralls-shield]
> Minify JavaScript with UglifyJS3.
## Installation
Install package with NPM and add it to your development dependencies:
`npm install --save-dev gulp-uglify`
## Usage
```javascript
var gulp = require('gulp');
var uglify = require('gulp-uglify');
var pipeline = require('readable-stream').pipeline;gulp.task('compress', function () {
return pipeline(
gulp.src('lib/*.js'),
uglify(),
gulp.dest('dist')
);
});
```To help properly handle error conditions with Node streams, this project
recommends the use of
[`pipeline`](https://nodejs.org/docs/latest/api/stream.html#stream_stream_pipeline_streams_callback),
from [`readable-stream`](https://github.com/nodejs/readable-stream).## Options
Most of the [minify options](https://github.com/mishoo/UglifyJS2#minify-options) from
the UglifyJS API are supported. There are a few exceptions:1. The `sourceMap` option must not be set, as it will be automatically configured
based on your Gulp configuration. See the documentation for [Gulp sourcemaps][gulp-sm].[gulp-sm]: https://github.com/gulp-sourcemaps/gulp-sourcemaps#usage
## Errors
`gulp-uglify` emits an 'error' event if it is unable to minify a specific file.
The GulpUglifyError constructor is exported by this plugin for `instanceof` checks.
It contains the following properties:- `fileName`: The full file path for the file being minified.
- `cause`: The original UglifyJS error, if available.Most UglifyJS error messages have the following properties:
- `message` (or `msg`)
- `filename`
- `line`To see useful error messages, see [Why Use Pipeline?](docs/why-use-pipeline/README.md#why-use-pipeline).
## Using a Different UglifyJS
By default, `gulp-uglify` uses the version of UglifyJS installed as a dependency.
It's possible to configure the use of a different version using the "composer" entry point.```javascript
var uglifyjs = require('uglify-js'); // can be a git checkout
// or another module (such as `uglify-es` for ES6 support)
var composer = require('gulp-uglify/composer');
var pump = require('pump');var minify = composer(uglifyjs, console);
gulp.task('compress', function (cb) {
// the same options as described above
var options = {};pump([
gulp.src('lib/*.js'),
minify(options),
gulp.dest('dist')
],
cb
);
});
```[travis-shield-img]: https://img.shields.io/travis/terinjokes/gulp-uglify/master.svg?label=Travis%20CI&style=flat-square
[travis-shield]: https://travis-ci.org/terinjokes/gulp-uglify
[appveyor-shield-img]: https://img.shields.io/appveyor/ci/terinjokes/gulp-uglify/master.svg?label=AppVeyor&style=flat-square
[appveyor-shield]: https://ci.appveyor.com/project/terinjokes/gulp-uglify
[npm-dl-shield-img]: https://img.shields.io/npm/dm/gulp-uglify.svg?style=flat-square
[npm-shield]: https://yarnpkg.com/en/package/gulp-uglify
[npm-v-shield-img]: https://img.shields.io/npm/v/gulp-uglify.svg?style=flat-square
[coveralls-shield-img]: https://img.shields.io/coveralls/terinjokes/gulp-uglify/master.svg?style=flat-square
[coveralls-shield]: https://coveralls.io/github/terinjokes/gulp-uglify