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docs: update browser baseline features #9316

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merged 1 commit into from Jul 23, 2022
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docs: update browser baseline features #9316

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2 changes: 1 addition & 1 deletion docs/config/build-options.md
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Expand Up @@ -6,7 +6,7 @@
- **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 Modules](https://caniuse.com/es6-module) and [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import) support.
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), [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import), and [`import.meta`](https://caniuse.com/mdn-javascript_statements_import_meta) support.

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

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2 changes: 1 addition & 1 deletion docs/guide/build.md
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Expand Up @@ -4,7 +4,7 @@ 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 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):
The production bundle assumes support for modern JavaScript. By default, Vite targets browsers which support the [native ES Modules](https://caniuse.com/es6-module), [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import), and [`import.meta`](https://caniuse.com/mdn-javascript_statements_import_meta):

- Chrome >=87
- Firefox >=78
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2 changes: 1 addition & 1 deletion docs/guide/index.md
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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 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.
The default build targets browsers that support [native ES Modules](https://caniuse.com/es6-module), [native ESM dynamic import](https://caniuse.com/es6-module-dynamic-import), and [`import.meta`](https://caniuse.com/mdn-javascript_statements_import_meta). 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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2 changes: 1 addition & 1 deletion docs/guide/migration.md
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Expand Up @@ -6,7 +6,7 @@ Vite no longer supports Node.js 12 / 13 / 15, which reached its EOL. Node.js 14.

## Modern Browser Baseline change

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

- Chrome >=87
- Firefox >=78
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5 changes: 3 additions & 2 deletions packages/vite/src/node/constants.ts
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Expand Up @@ -11,8 +11,9 @@ export const DEFAULT_MAIN_FIELDS = [
'jsnext'
]

// Support browserslist
// "defaults and supports es6-module and supports es6-module-dynamic-import",
// Baseline support browserslist
// "defaults and supports es6-module and supports es6-module-dynamic-import"
// Higher browser versions may be needed for extra features.
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Browserlist can't query import.meta support so thought I'd add this here. Also because we don't follow this browserlist strictly, as we bump base on usage.

export const ESBUILD_MODULES_TARGET = [
'es2020', // support import.meta.url
'edge88',
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