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wxt/docs/get-started/configuration.md
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2024-06-03 18:43:25 -05:00

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# Configuration
By default, WXT provides sensible configuration for bundling web extensions with Vite.
## Config File
To configure WXT, create a `wxt.config.ts` file in your project root. It should have the following contents:
```ts
import { defineConfig } from 'wxt';
export default defineConfig({
// My WXT config
});
```
:::info
For more information on configuring WXT via the `wxt.config.ts` file, read the dedicated [`wxt.config.ts` guide](/guide/directory-structure/wxt-config).
:::
## Manifest.json
WXT generates your extension's `manifest.json` based on the project structure. To add additional properties, like permissions, use the [`manifest` property](/api/reference/wxt/interfaces/InlineConfig#manifest).
```ts
import { defineConfig } from 'wxt';
export default defineConfig({
manifest: {
permissions: ['storage'],
},
});
```
:::info
For more information on configuring the manifest, read the dedicated [Manifest guide](/guide/key-concepts/manifest).
:::
## Environment
WXT can read `.env` files, and variables are accessible via `import.meta.env.*`.
:::code-group
```sh [.env]
VITE_OAUTH_CLIENT_ID=abc123
```
```ts [JS]
import.meta.env.VITE_OAUTH_CLIENT_ID;
```
:::
:::info
For more information on using .env files, read the dedicated [`.env` guide](/guide/directory-structure/env).
:::