prettier-plugin-astro
Advanced tools
The prettier-plugin-astro package is a plugin for Prettier that adds support for formatting Astro files. Astro is a modern static site builder that allows you to use components from various frameworks like React, Vue, and Svelte. This plugin ensures that your Astro files are consistently formatted according to Prettier's rules.
Formatting Astro Components
This feature allows you to format Astro components, ensuring that the HTML, JavaScript, and any other embedded code are properly indented and styled according to Prettier's rules.
<!-- Example Astro Component -->
---
const title = 'Hello, World!'
---
<html>
<head>
<title>{title}</title>
</head>
<body>
<h1>{title}</h1>
</body>
</html>Formatting Embedded JavaScript
This feature ensures that any JavaScript code embedded within your Astro files is formatted correctly, maintaining consistency and readability.
<!-- Example Astro Component with JS -->
---
const items = [1, 2, 3, 4, 5]
---
<ul>
{items.map(item => (
<li key={item}>{item}</li>
))}
</ul>Formatting Embedded CSS
This feature ensures that any CSS code embedded within your Astro files is formatted according to Prettier's rules, making your styles consistent and easy to read.
<!-- Example Astro Component with CSS -->
<style>
h1 {
color: blue;
}
</style>
<h1>Hello, World!</h1>The prettier-plugin-svelte package is a Prettier plugin that adds support for formatting Svelte files. Like prettier-plugin-astro, it ensures that your Svelte components are consistently formatted. However, it is specific to Svelte and does not support the multi-framework nature of Astro.
The prettier-plugin-vue package is a Prettier plugin that adds support for formatting Vue.js single-file components (SFCs). It ensures that your Vue components are consistently formatted, but it is specific to Vue.js and does not support the multi-framework nature of Astro.
Official Prettier plugin adding support for formatting .astro files.
First install Prettier and the plugin:
npm i --save-dev prettier prettier-plugin-astro
Then add the plugin to your Prettier configuration:
// .prettierrc.mjs
/** @type {import("prettier").Config} */
export default {
plugins: ['prettier-plugin-astro'],
};
For optimal compatibility with the different package managers and Prettier plugins, we recommend manually specifying the parser to use for Astro files in your Prettier config as shown in the example below:
// .prettierrc.mjs
/** @type {import("prettier").Config} */
export default {
plugins: ['prettier-plugin-astro'],
overrides: [
{
files: '*.astro',
options: {
parser: 'astro',
},
},
],
};
To customize formatting behavior, see the Configuration section below.
Note The Astro VS Code extension uses Prettier and this plugin (
prettier-plugin-astro) to format your code. You will only need to install the VS Code Prettier extension separately for formatting if:
Install the VS Code Prettier extension and add the following settings to your VS Code configuration:
{
"prettier.documentSelectors": ["**/*.astro"],
"[astro]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
}
}
The settings above ensure that VS Code is aware that Prettier can be used for Astro files, and sets Prettier as the default formatter for Astro files.
When submitting issues about formatting your .astro files in VS Code, please specify which extension you are using to format your files: Astro's own extension or the Prettier extension.
Most options from Prettier will work with the plugin and can be set in a configuration file or through CLI flags.
Set if attributes with the same name as their expression should be formatted to the short form automatically (for example, if enabled <element name={name} /> will become simply <element {name} />)
| Default | CLI Override | API Override |
|---|---|---|
false | --astro-allow-shorthand <bool> | astroAllowShorthand: <bool> |
If you are using another tool to format your JavaScript code, like Biome for example, it is possible to skip formatting the frontmatter.
| Default | CLI Override | API Override |
|---|---|---|
false | --astro-skip-frontmatter <bool> | astroSkipFrontmatter: <bool> |
.prettierrc.cjs{
astroAllowShorthand: false;
astroSkipFrontmatter: false;
}
Pull requests of any size and any skill level are welcome, no contribution is too small. Changes to the Astro Prettier Plugin are subject to Astro Governance and should adhere to the Astro Style Guide.
See CONTRIBUTING.md for instructions on how to set up your development environment.
Astro is free, open source software made possible by these wonderful sponsors.
0.14.1
FAQs
A Prettier Plugin for formatting Astro files
The npm package prettier-plugin-astro receives a total of 127,858 weekly downloads. As such, prettier-plugin-astro popularity was classified as popular.
We found that prettier-plugin-astro demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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