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51 lines
2.0 KiB
Markdown
51 lines
2.0 KiB
Markdown
# Example app with [React Intl][]
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This example app shows how to integrate [React Intl][] with Next.js.
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## How to use
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Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init), [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/), or [pnpm](https://pnpm.io) to bootstrap the example:
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```bash
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npx create-next-app --example with-react-intl with-react-intl-app
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```
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```bash
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yarn create next-app --example with-react-intl with-react-intl-app
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```
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```bash
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pnpm create next-app --example with-react-intl with-react-intl-app
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```
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Deploy it to the cloud with [Vercel](https://vercel.com/new?utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
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## Features of this example app
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- React Intl integration with [custom App](https://github.com/vercel/next.js#custom-app) component
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- `<IntlProvider>` creation with `locale`, `messages` props
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- Default message extraction via `@formatjs/cli` integration
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- Pre-compile messages into AST with `babel-plugin-formatjs` for performance
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- Translation management
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### Translation Management
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This app stores translations and default strings in the `lang/` dir. The default messages (`en.json` in this example app) is also generated by the following script.
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```bash
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$ npm run i18n:extract
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```
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This file can then be sent to a translation service to perform localization for the other locales the app should support.
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The translated messages files that exist at `lang/*.json` are only used during production, and are automatically provided to the `<IntlProvider>`. During development the `defaultMessage`s defined in the source code are used. To prepare the example app for localization and production run the build script and start the server in production mode:
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```bash
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$ npm run build
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$ npm start
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```
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You can then switch your browser's language preferences to German or French and refresh the page to see the UI update accordingly.
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[react intl]: https://formatjs.io
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