astro/README.md
Drew Powers ee6ef81cf3
Convert CSS Modules to scoped styles (#38)
* Convert CSS Modules to scoped styles

* Update README

* Move class scoping into HTML walker

* Fix SSR styles test

* Fix mustache tags

* Update PostCSS plugin name

* Add JSDoc comment

* Update test
2021-03-30 10:11:21 -06:00

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# 👩‍🚀 Astro
A next-generation static-site generator with partial hydration. Use your favorite JS framework and ship bare-minimum JS (or none at all!).
## 🔧 Setup
```
npm install astro
```
TODO: astro boilerplate
## 🧞 Development
Add a `dev` npm script to your `/package.json` file:
```json
{
"scripts": {
"dev": "astro dev ."
}
}
```
Then run:
```
npm run dev
```
### 💧 Partial Hydration
By default, Astro outputs zero client-side JS. If you'd like to include an interactive component in the client output, you may use any of the following techniques.
- `MyComponent:load` will render `MyComponent` on page load
- `MyComponent:idle` will use `requestIdleCallback` to render `MyComponent` as soon as main thread is free
- `MyComponent:visible` will use an `IntersectionObserver` to render `MyComponent` when the element enters the viewport
### 💅 Styling
If youve used [Svelte][svelte]s styles before, Astro works almost the same way. In any `.astro` file, start writing styles in a `<style>` tag like so:
```astro
<style>
.scoped {
font-weight: bold;
}
</style>
<div class="scoped">Im a scoped style</div>
```
#### Sass
Astro also supports [Sass][sass] out-of-the-box; no configuration needed:
```astro
<style lang="scss">
@use "../tokens" as *;
.title {
color: $color.gray;
}
</style>
<h1 class="title">Title</h1>
```
Supports:
- `lang="scss"`: load as the `.scss` extension
- `lang="sass"`: load as the `.sass` extension (no brackets; indent-style)
### Autoprefixer
We also automatically add browser prefixes using [Autoprefixer][autoprefixer]. By default, Astro loads the default values, but you may also specify your own by placing a [Browserslist][browserslist] file in your project root.
## 🚀 Build & Deployment
Add a `build` npm script to your `/package.json` file:
```json
{
"scripts": {
"dev": "astro dev .",
"build": "astro build ."
}
}
```
Then run:
```
npm run build
```
Now upload the contents of `/_site_` to your favorite static site host.
[autoprefixer]: https://github.com/postcss/autoprefixer
[browserslist]: https://github.com/browserslist/browserslist
[sass]: https://sass-lang.com/
[svelte]: https://svelte.dev