mirror of
https://github.com/withastro/astro.git
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c706d845eb
* feat: restart config on add, remove, update * fix: reload for root project configs only * fix: throw when userConfigPath can't resolve * chore: changeset * wip: remove normalizePath before writeFile * refactor: invalidateWithCache -> isConfigReload * wip: mustExist? * debug: config loaded successfully * debug: more logs * debug: MORE logging * fix: normalize resolved config path * debug: yet MORE logging * chore: bump proload * fix: use file path, not URL.pathname * Revert "wip: mustExist?" This reverts commit 8ca8662132532dcdc9fd120868e615ddc60f498e. * chore: remove console log * feat: cleanup restart message, better invalid config handling * chore: update lockfile * chore: fix types * fix: throw helpful error when config does not exist * docs: remove "restart dev server" from integrations * docs: make sure to restart -> try restarting Co-authored-by: Nate Moore <nate@astro.build>
93 lines
3 KiB
Markdown
93 lines
3 KiB
Markdown
# @astrojs/svelte 🧡
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This **[Astro integration][astro-integration]** enables server-side rendering and client-side hydration for your [Svelte](https://svelte.dev/) components.
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## Installation
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There are two ways to add integrations to your project. Let's try the most convenient option first!
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### `astro add` command
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Astro includes a CLI tool for adding first party integrations: `astro add`. This command will:
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1. (Optionally) Install all necessary dependencies and peer dependencies
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2. (Also optionally) Update your `astro.config.*` file to apply this integration
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To install `@astrojs/svelte`, run the following from your project directory and follow the prompts:
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```sh
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# Using NPM
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npx astro add svelte
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# Using Yarn
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yarn astro add svelte
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# Using PNPM
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pnpm astro add svelte
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```
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If you run into any issues, [feel free to report them to us on GitHub](https://github.com/withastro/astro/issues) and try the manual installation steps below.
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### Install dependencies manually
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First, install the `@astrojs/svelte` integration like so:
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```sh
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npm install @astrojs/svelte
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```
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Most package managers will install associated peer dependencies as well. Still, if you see a "Cannot find package 'svelte'" (or similar) warning when you start up Astro, you'll need to install Svelte:
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```sh
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npm install svelte
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```
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Now, apply this integration to your `astro.config.*` file using the `integrations` property:
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__`astro.config.mjs`__
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```js
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import svelte from '@astrojs/svelte';
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export default {
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// ...
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integrations: [svelte()],
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}
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```
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## Getting started
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To use your first Svelte component in Astro, head to our [UI framework documentation][astro-ui-frameworks]. You'll explore:
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- 📦 how framework components are loaded,
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- 💧 client-side hydration options, and
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- 🪆 opportunities to mix and nest frameworks together
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Also check our [Astro Integration Documentation][astro-integration] for more on integrations.
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[astro-integration]: https://docs.astro.build/en/guides/integrations-guide/
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[astro-ui-frameworks]: https://docs.astro.build/en/core-concepts/framework-components/#using-framework-components
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## Options
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This integration is powered by `@sveltejs/vite-plugin-svelte`. To customize the Svelte compiler, options can be provided to the integration. See the `@sveltejs/vite-plugin-svelte` [docs](https://github.com/sveltejs/vite-plugin-svelte/blob/HEAD/docs/config.md) for more details.
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### Default options
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A few of the default options passed to the Svelte compiler are required to build properly for Astro and cannot be overridden.
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```js
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const defaultOptions = {
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emitCss: true,
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compilerOptions: { dev: isDev, hydratable: true },
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preprocess: [
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preprocess({
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less: true,
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sass: { renderSync: true },
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scss: { renderSync: true },
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stylus: true,
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typescript: true,
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}),
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],
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};
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```
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The `emitCss`, `compilerOptions.dev`, and `compilerOptions.hydratable` cannot be overridden.
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Providing your own `preprocess` options **will** override the defaults - make sure to enable the preprocessor flags needed for your project.
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