@tanosugi/better-auth-utils/README.md

Better Auth Utils

# @tanosugi/better-auth-utils

## Installation

```bash
npm install @tanosugi/better-auth-utils
# or
yarn add @tanosugi/better-auth-utils
# or
bun add @tanosugi/better-auth-utils
```

## Usage

You can obtain localized ui words dictionary for better-auth-ui by following codes.
```ts
// src/app/auth/view.tsx
const { data: uiLocaleDict, isLoading: isUiLocaleDictLoading } = useUILocaleDict(locale);

if (!uiLocaleDict || isUiLocaleDictLoading) {
    return 
      <div>Loading...</div>
    );
<AuthCard
  pathname={pathname}
  redirectTo={redirectTo}
  localization={{
    ...uiLocaleDict,
    passwordInvalid: "Password must contain at least one number, one uppercase letter, one lowercase letter, and one special character",
  }}
/>
```

To obtain localized dictionary for better-auth-ui, please set up following 
```ts
// src/app/api/locale-ue/route.ts
import { createUiLocaleHandler } from "@tanosugi/better-auth-utils/api";
export const GET = createUiLocaleHandler();
```

You can enable localization for error codes from api in better auth by adding the localization plugin.
```ts
// src/lib/auth.ts
export const auth = betterAuth({ plugins: [localization()] });
```

## Supported Languages

| Language   | Language Code |
|------------|--------------|
| Arabic     | ar           |
| Chinese    | zh-CN        |
| Czech      | cs           |
| Dutch      | nl           |
| English    | en           |
| French     | fr           |
| German     | de           |
| Hindi      | hi           |
| Indonesian | id           |
| Italian    | it           |
| Japanese   | ja           |
| Korean     | ko           |
| Polish     | pl           |
| Portuguese | pt           |
| Russian    | ru           |
| Spanish    | es           |
| Thai       | th           |
| Turkish    | tr           |
| Ukrainian  | uk           |
| Vietnamese | vi           |

---