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node_modules/gulp-imagemin/readme.md

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+# gulp-imagemin [![Build Status](https://travis-ci.com/sindresorhus/gulp-imagemin.svg?branch=master)](https://travis-ci.com/sindresorhus/gulp-imagemin) [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/xojs/xo)
+
+> Minify PNG, JPEG, GIF and SVG images with [`imagemin`](https://github.com/imagemin/imagemin)
+
+*Issues with the output should be reported on the [`imagemin` issue tracker](https://github.com/imagemin/imagemin/issues).*
+
+
+## Install
+
+```
+$ npm install --save-dev gulp-imagemin
+```
+
+
+## Usage
+
+### Basic
+
+```js
+const gulp = require('gulp');
+const imagemin = require('gulp-imagemin');
+
+exports.default = () => (
+	gulp.src('src/images/*')
+		.pipe(imagemin())
+		.pipe(gulp.dest('dist/images'))
+);
+```
+
+### Custom plugin options
+
+```js
+// …
+.pipe(imagemin([
+	imagemin.gifsicle({interlaced: true}),
+	imagemin.jpegtran({progressive: true}),
+	imagemin.optipng({optimizationLevel: 5}),
+	imagemin.svgo({
+		plugins: [
+			{removeViewBox: true},
+			{cleanupIDs: false}
+		]
+	})
+]))
+// …
+```
+
+Note that you may come across an older, implicit syntax. In versions < 3, the same was written like this:
+
+```js
+// …
+.pipe(imagemin({
+	interlaced: true,
+	progressive: true,
+	optimizationLevel: 5,
+	svgoPlugins: [
+		{
+			removeViewBox: true
+		}
+	]
+}))
+// …
+```
+
+### Custom plugin options and custom `gulp-imagemin` options
+
+```js
+// …
+.pipe(imagemin([
+	imagemin.svgo({
+		plugins: [
+			{
+				removeViewBox: true
+			}
+		]
+	})
+], {
+	verbose: true
+}))
+// …
+```
+
+
+## API
+
+Comes bundled with the following **lossless** optimizers:
+
+- [gifsicle](https://github.com/imagemin/imagemin-gifsicle) — *Compress GIF images*
+- [jpegtran](https://github.com/imagemin/imagemin-jpegtran) — *Compress JPEG images*
+- [optipng](https://github.com/imagemin/imagemin-optipng) — *Compress PNG images*
+- [svgo](https://github.com/imagemin/imagemin-svgo) — *Compress SVG images*
+
+These are bundled for convenience and most users will not need anything else.
+
+### imagemin(plugins?, options?)
+
+Unsupported files are ignored.
+
+#### plugins
+
+Type: `Array`<br>
+Default: `[imagemin.gifsicle(), imagemin.jpegtran(), imagemin.optipng(), imagemin.svgo()]`
+
+[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.
+
+#### options
+
+Type: `object`
+
+##### verbose
+
+Type: `boolean`<br>
+Default: `false`
+
+Enabling this will log info on every image passed to `gulp-imagemin`:
+
+```
+gulp-imagemin: ✔ image1.png (already optimized)
+gulp-imagemin: ✔ image2.png (saved 91 B - 0.4%)
+```
+
+##### silent
+
+Type: `boolean`<br>
+Default: `false`
+
+Don't log the number of images that have been minified.
+
+You can also enable this from the command-line with the `--silent` flag if the option is not already specified.