80 lines
3.2 KiB
Markdown
80 lines
3.2 KiB
Markdown
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# gulp-clean-css
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[](https://travis-ci.org/scniro/gulp-clean-css)
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[](https://david-dm.org/scniro/gulp-clean-css)
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[](https://david-dm.org/scniro/gulp-clean-css#info=devDependencies)
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[](https://coveralls.io/github/scniro/gulp-clean-css)
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[](https://www.npmjs.com/package/gulp-clean-css)
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[](https://www.npmjs.com/package/gulp-clean-css)
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[](https://github.com/alferov/awesome-gulp#minification)
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> [gulp](http://gulpjs.com/) plugin to minify CSS, using [clean-css](https://github.com/jakubpawlowicz/clean-css)
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## Regarding Issues
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This is just a simple [gulp](https://github.com/gulpjs/gulp) plugin, which means it's nothing more than a thin wrapper around `clean-css`. If it looks like you are having CSS related issues, please contact [clean-css](https://github.com/jakubpawlowicz/clean-css/issues). Only create a new issue if it looks like you're having a problem with the plugin itself.
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## Install
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```
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npm install gulp-clean-css --save-dev
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```
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## API
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### cleanCSS([*options*], [*callback*])
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#### options
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See the [`CleanCSS` options](https://github.com/jakubpawlowicz/clean-css#how-to-use-clean-css-api).
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```javascript
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let gulp = require('gulp');
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let cleanCSS = require('gulp-clean-css');
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gulp.task('minify-css', () => {
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return gulp.src('styles/*.css')
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.pipe(cleanCSS({compatibility: 'ie8'}))
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.pipe(gulp.dest('dist'));
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});
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```
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#### callback
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Useful for returning details from the underlying [`minify()`](https://github.com/jakubpawlowicz/clean-css#using-api) call. An example use case could include logging `stats` of the minified file. In addition to the default object, `gulp-clean-css` provides the file `name` and `path` for further analysis.
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```javascript
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let gulp = require('gulp');
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let cleanCSS = require('gulp-clean-css');
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gulp.task('minify-css', () => {
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return gulp.src('styles/*.css')
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.pipe(cleanCSS({debug: true}, (details) => {
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console.log(`${details.name}: ${details.stats.originalSize}`);
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console.log(`${details.name}: ${details.stats.minifiedSize}`);
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}))
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.pipe(gulp.dest('dist'));
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});
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```
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[Source Maps](http://www.html5rocks.com/tutorials/developertools/sourcemaps/) can be generated by using [gulp-sourcemaps](https://github.com/floridoo/gulp-sourcemaps).
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```javascript
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let gulp = require('gulp');
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let cleanCSS = require('gulp-clean-css');
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let sourcemaps = require('gulp-sourcemaps');
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gulp.task('minify-css',() => {
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return gulp.src('./src/*.css')
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.pipe(sourcemaps.init())
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.pipe(cleanCSS())
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.pipe(sourcemaps.write())
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.pipe(gulp.dest('dist'));
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});
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```
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## License
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[MIT](./LICENSE) © 2019 [scniro](https://github.com/scniro)
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