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docs: update for default target change (#8223)
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sapphi-red committed May 19, 2022
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2 changes: 1 addition & 1 deletion docs/config/index.md
Expand Up @@ -741,7 +741,7 @@ export default defineConfig({
- **Default:** `'modules'`
- **Related:** [Browser Compatibility](/guide/build#browser-compatibility)

Browser compatibility target for the final bundle. The default value is a Vite special value, `'modules'`, which targets [browsers with native ES module support](https://caniuse.com/es6-module).
Browser compatibility target for the final bundle. The default value is a Vite special value, `'modules'`, which targets browsers with [native ES Modules](https://caniuse.com/es6-module) and [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import) support.

Another special value is `'esnext'` - which assumes native dynamic imports support and will transpile as little as possible:

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4 changes: 2 additions & 2 deletions docs/guide/assets.md
Expand Up @@ -114,6 +114,6 @@ const imgUrl = new URL(imagePath, import.meta.url).href
This pattern does not work if you are using Vite for Server-Side Rendering, because `import.meta.url` have different semantics in browsers vs. Node.js. The server bundle also cannot determine the client host URL ahead of time.
:::
::: warning Esbuild target config is necessary
This pattern needs esbuild target to be set to `es2020` or higher. `vite@2.x` use `es2019` as default target. Set [build-target](https://vitejs.dev/config/#build-target) and [optimizedeps.esbuildoptions.target](https://vitejs.dev/config/#optimizedeps-esbuildoptions) to `es2020` or higher if you intend to use this partten.
::: warning `target` needs to be `es2020` or higher
This pattern will not work if [build-target](https://vitejs.dev/config/#build-target) or [optimizedeps.esbuildoptions.target](https://vitejs.dev/config/#optimizedeps-esbuildoptions) is set to a value lower than `es2020`.
:::
9 changes: 5 additions & 4 deletions docs/guide/build.md
Expand Up @@ -4,11 +4,12 @@ When it is time to deploy your app for production, simply run the `vite build` c

## Browser Compatibility

The production bundle assumes support for modern JavaScript. By default, Vite targets browsers which support the [native ESM script tag](https://caniuse.com/es6-module) and [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import). As a reference, Vite uses this [browserslist](https://github.com/browserslist/browserslist) query:
The production bundle assumes support for modern JavaScript. By default, Vite targets browsers which support the [native ES Modules](https://caniuse.com/es6-module) and [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import) and [`import.meta`](https://caniuse.com/mdn-javascript_statements_import_meta):

```
defaults and supports es6-module and supports es6-module-dynamic-import, not opera > 0, not samsung > 0, not and_qq > 0
```
- Chrome >=87
- Firefox >=78
- Safari >=13
- Edge >=88

You can specify custom targets via the [`build.target` config option](/config/#build-target), where the lowest target is `es2015`.

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2 changes: 1 addition & 1 deletion docs/guide/index.md
Expand Up @@ -18,7 +18,7 @@ You can learn more about the rationale behind the project in the [Why Vite](./wh

## Browser Support

- The default build targets browsers that support both [native ESM via script tags](https://caniuse.com/es6-module) and [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import). Legacy browsers can be supported via the official [@vitejs/plugin-legacy](https://github.com/vitejs/vite/tree/main/packages/plugin-legacy) - see the [Building for Production](./build) section for more details.
- The default build targets browsers that support both [native ES Modules](https://caniuse.com/es6-module) and [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import). Legacy browsers can be supported via the official [@vitejs/plugin-legacy](https://github.com/vitejs/vite/tree/main/packages/plugin-legacy) - see the [Building for Production](./build) section for more details.

## Trying Vite Online

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