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AstroCompress ๐๏ธ
This Astro integration brings compression utilities to your Astro project.
CSS / HTML / JavaScript / Image / SVG
Note
AstroCompress
will not compress your requests, only your statically generated build and pre-rendered routes.
Important
Use AstroCompress
last in your integration list for the best optimization.
Installation
There are two ways to add integrations to your project. Let's try the most convenient option first!
astro add
command
Astro includes a CLI tool for adding first party integrations: astro add
. This
command will:
- (Optionally) Install all necessary dependencies and peer dependencies
- (Also optionally) Update your
astro.config.*
file to apply this integration
To install AstroCompress
, run the following from your project directory and
follow the prompts:
Using NPM:
npx astro add astro-compress
Using Yarn:
yarn astro add astro-compress
Using PNPM:
pnpx astro add astro-compress
Install dependencies manually
First, install the AstroCompress
integration like so:
npm install -D -E astro-compress
Then, apply this integration to your astro.config.*
file using the
integrations
property:
astro.config.ts
import Compress from "astro-compress";
export default { integrations: [Compress()] };
Getting started
The utility will now automatically compress all your CSS, HTML, SVG, JavaScript
and image files in the Astro outDir
folder.
The following image file types will be compressed via sharp:
- avci
- avcs
- avif
- avifs
- gif
- heic
- heics
- heif
- heifs
- jfif
- jif
- jpe
- jpeg
- jpg
- apng
- png
- raw
- tiff
- webp
SVG compression is supported via svgo.
Default Compression
You can override any of the default options from the configurations of:
or disable them entirely:
astro.config.ts
import Compress from "astro-compress";
export default {
integrations: [
Compress({
CSS: false,
HTML: false,
Image: false,
JavaScript: false,
SVG: false,
}),
],
};
You can see the full option map here: Source/Interface/Option.ts
Output
By default AstroCompress
compresses the outDir
Astro
directory and the
_astro
generated images directory, if you'd like it to compress a different
directory you would have to add it to the AstroCompress
Path
option, as
well:
import Compress from "astro-compress";
export default {
integrations: [
Compress({
Path: ["./dist", "./_astro", "./Compress"],
}),
],
};
Adding Multiple Paths
You can add multiple paths to compress by specifying an array as the Path
variable.
astro.config.ts
import Compress from "astro-compress";
export default {
integrations: [
Compress({
Path: ["./Target", "./Build"],
}),
],
};
Input-Output Mapping
You can also provide a map of paths for different input output directories.
astro.config.ts
import Compress from "astro-compress";
export default {
integrations: [
Compress({
Path: new Map([["./Source", "./Target"]]),
}),
],
};
Or an array of the two.
astro.config.ts
import Compress from "astro-compress";
export default {
integrations: [
Compress({
Path: [
// Compress Target
"./Target",
// Compress Target one more time into a different directory
new Map([["./Target", "./TargetCompress"]]),
],
}),
],
};
File Filtering
You can filter files to exclude specific ones from compression. A filter can be an array of regular expressions or a single match. You can also use functions to match on file names:
astro.config.ts
import Compress from "astro-compress";
export default {
integrations: [
Compress({
Exclude: [
"File.png",
(File: string) =>
File === "./Target/Favicon/Image/safari-pinned-tab.svg",
],
}),
],
};
Controlling Logging
You can control the logging level by setting the Logger
parameter. The default
value is 2
, but you can set it to 0
if you don't want to see debug messages:
astro.config.ts
import Compress from "astro-compress";
export default {
integrations: [
Compress({
Logger: 0,
}),
],
};
Changelog
See CHANGELOG.md for a history of changes to this integration.