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Vite Image Optimizer

Plugin for Vite to optimize all images assets using Sharp.js and SVGO at build time.

Features

• Optimize SVG assets using SVGO and pass custom configs. • Optimize Raster assets (png, jpeg, gif, tiff, webp, avif) using Sharp.js with the option to pass custom configs for each extension type. • Option to process all assets from your public directory defined in the bundler. • Configure test, include, and exclude to filter assets. • Caching support to avoid re-optimization (optional) • Skips processing assets if their optimized size is greater than their original size. • Log the optimization stats showing the before and after size difference, ratio and total savings (optional)

Motivation

This plugin is based on the awesome image-minimizer-webpack-plugin for Webpack. I wanted to combine the optimization capabilities of Sharp.js and SVGO in a single package and I couldn't find a plugin for Vite that could accomplish this. I initially thought of adding squoosh and imagemin support as well but dropped the idea since they are no longer maintained.

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Contributions are most welcome! We follow conventional-commits

Installation

You can add it as a dev dependency to any of the package managers (NPM, Yarn, PNPM)

Supports Vite >=3 and Node >=14

Warning

sharp and svgo don't come installed as part of the package. You will have to install them manually and add it as a dev dependency. This is a design decision so you can choose to skip installing sharp if you only want to optimize svg assets using svgo and vice versa.

Usage

Default Configuration

The default configuration is made for lossless compression of image assets.

Plugin Options

• test • include • exclude • includePublic • logStats • ansiColors • svg • png • jpeg • tiff • gif • webp • avif • cache • cacheLocation

test

Type: RegExp

Default: /.(jpe?g|png|gif|tiff|webp|svg|avif)$/i

Test to match files against.

exclude

Type: String | RegExp | Array

Default: undefined

Files to exclude. RegExp can be used on the source path to exclude a particular folder (exclude: /textures/).

include

Type: String | RegExp | Array

Default: undefined

Files to include. RegExp can be used on the source path to include a particular folder (include: /textures/).

Warning

This will override any options set in test and exclude and has a higher preference. Use this option if you want to include specific assets only.

includePublic

Type: boolean

Default: true

Include all assets within the public directory defined in Vite. When true it will recursively traverse the directory and optimize all the assets.

logStats

Type: boolean

Default: true

Logs the optimization stats to terminal output with file size difference in kB, percent increase/decrease and total savings.

ansiColors

Type: boolean

Default: true

Logs the optimization stats or errors with ansi colors in the terminal. Set it to false for shells that don't support color text.

svg

Type: SVGOConfig

Default:

Config object to pass to SVGO, you can override it with your custom config.

png

Type: PngOptions

Default:

Config object to pass to Sharp.js for assets with png extension

jpeg

Type: JpegOptions

Default:

Config object to pass to Sharp.js for assets with jpg or jpeg extension

gif

Type: GifOptions

Default:

Config object to pass to Sharp.js for assets with gif extension

tiff

Type: TiffOptions

Default:

Config object to pass to Sharp.js for assets with tiff extension

webp

Type: WebpOptions

Default:

Config object to pass to Sharp.js for assets with webp extension

avif

Type: AvifOptions

Default:

Config object to pass to Sharp.js for assets with avif extension

cache

Type: boolean

Default: false

Cache assets in cacheLocation. When enabled, reads and writes asset files with their hash suffix from the specified path.

cacheLocation

Type: String

Default: undefined

Path to the cache directory. Can be used with GitHub Actions and other build servers that support cache directories to speed up consecutive builds.

License

MIT