132 lines
3.3 KiB
Markdown
132 lines
3.3 KiB
Markdown
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# gulp-imagemin [](https://travis-ci.com/sindresorhus/gulp-imagemin) [](https://github.com/xojs/xo)
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> Minify PNG, JPEG, GIF and SVG images with [`imagemin`](https://github.com/imagemin/imagemin)
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*Issues with the output should be reported on the [`imagemin` issue tracker](https://github.com/imagemin/imagemin/issues).*
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---
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<p align="center"><sup>🦄 Support <a href="https://github.com/sindresorhus">my open-source work</a> by buying this awesome video course:</sup><br><b><a href="https://learnnode.com/friend/AWESOME">Learn to build apps and APIs with Node.js</a> by Wes Bos</b><br><sub>Try his free <a href="https://javascript30.com/friend/AWESOME">JavaScript 30</a> course for a taste of what to expect & check out his <a href="https://ES6.io/friend/AWESOME">ES6</a>, <a href="https://ReactForBeginners.com/friend/AWESOME">React</a>, <a href="https://SublimeTextBook.com/friend/AWESOME">Sublime</a> courses.</sub></p>
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---
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## Install
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```
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$ npm install --save-dev gulp-imagemin
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```
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## Usage
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### Basic
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```js
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const gulp = require('gulp');
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const imagemin = require('gulp-imagemin');
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gulp.task('default', () =>
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gulp.src('src/images/*')
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.pipe(imagemin())
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.pipe(gulp.dest('dist/images'))
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);
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```
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### Custom plugin options
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```js
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// …
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.pipe(imagemin([
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imagemin.gifsicle({interlaced: true}),
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imagemin.jpegtran({progressive: true}),
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imagemin.optipng({optimizationLevel: 5}),
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imagemin.svgo({
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plugins: [
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{removeViewBox: true},
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{cleanupIDs: false}
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]
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})
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]))
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// …
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```
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Note that you may come across an older, implicit syntax. In versions < 3, the same was written like this:
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```js
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// …
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.pipe(imagemin({
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interlaced: true,
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progressive: true,
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optimizationLevel: 5,
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svgoPlugins: [
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{
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removeViewBox: true
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}
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]
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}))
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// …
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```
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### Custom plugin options and custom `gulp-imagemin` options
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```js
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// …
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.pipe(imagemin([
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imagemin.svgo({
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plugins: [
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{
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removeViewBox: true
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}
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]
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})
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], {
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verbose: true
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}))
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// …
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```
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## API
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Comes bundled with the following **lossless** optimizers:
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- [gifsicle](https://github.com/imagemin/imagemin-gifsicle) — *Compress GIF images*
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- [jpegtran](https://github.com/imagemin/imagemin-jpegtran) — *Compress JPEG images*
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- [optipng](https://github.com/imagemin/imagemin-optipng) — *Compress PNG images*
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- [svgo](https://github.com/imagemin/imagemin-svgo) — *Compress SVG images*
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These are bundled for convenience and most users will not need anything else.
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### imagemin([plugins], [options])
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Unsupported files are ignored.
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#### plugins
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Type: `Array`<br>
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Default: `[imagemin.gifsicle(), imagemin.jpegtran(), imagemin.optipng(), imagemin.svgo()]`
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[Plugins](https://www.npmjs.com/browse/keyword/imageminplugin) to use. This will overwrite the default plugins. Note that the default plugins comes with good defaults and should be sufficient in most cases. See the individual plugins for supported options.
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#### options
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Type: `Object`
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##### verbose
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Type: `boolean`<br>
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Default: `false`
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Enabling this will log info on every image passed to `gulp-imagemin`:
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```
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gulp-imagemin: ✔ image1.png (already optimized)
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gulp-imagemin: ✔ image2.png (saved 91 B - 0.4%)
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```
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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