# string-literal-i18n-messages

Enforce translate APIs to be called on plain text labels.

Docusaurus offers the [`docusaurus write-translations`](/guides/cli#docusaurus-write-translations-sitedir) API, which statically extracts the text labels marked as translatable. Dynamic values used in `<Translate>` or `translate()` calls will fail to be extracted. This rule will ensure that all translate calls are statically extractable.

## Rule Details

Examples of **incorrect** code for this rule:

```js
const text = 'Some text to be translated'

// Invalid <Translate> child
<Translate>{text}</Translate>

// Invalid message attribute
translate({message: text})
```

Examples of **correct** code for this rule:

```js
// Valid <Translate> child
<Translate>Some text to be translated</Translate>

// Valid message attribute
translate({message: 'Some text to be translated'})

// Valid <Translate> child using values object as prop
<Translate values={{firstName: 'Sébastien'}}>
  {'Welcome, {firstName}! How are you?'}
</Translate>

// Valid message attribute using values object as second argument
translate({message: 'The logo of site {siteName}'}, {siteName: 'Docusaurus'})
```

## When Not To Use It

If you're not using the [i18n feature](/guides/i18n-i18n-introduction), you can disable this rule.

## Further Reading

- https://docusaurus.io/docs/docusaurus-core#translate
- https://docusaurus.io/docs/docusaurus-core#translate-imperative

## Related pages

- [no-html-links](./api-misc-eslint-plugin-no-html-links.md)
- [no-untranslated-text](./api-misc-eslint-plugin-no-untranslated-text.md)
- [prefer-docusaurus-heading](./api-misc-eslint-plugin-prefer-docusaurus-heading.md)

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