@intility/require-i18n-default

Deno lint plugin to enforce default values in i18next translation functions and components.

Installation

Add the plugin to your deno.json:

{
  "lint": {
    "plugins": ["jsr:@intility/require-i18n-default"],
    "rules": {
      "include": [
        "require-translation-default/require-default-value",
        "require-translation-default/require-trans-default"
      ]
    }
  }
}

Rules

require-translation-default/require-default-value

Ensures t() function calls include a default value.

// Invalid
t('greeting.hello')
t('greeting.hello', { ns: 'common' })
t(`prefix.${key}`)
i18n.t('greeting.hello')

// Valid
t('greeting.hello', 'Hello')
t('greeting.hello', { defaultValue: 'Hello' })
t('greeting.hello', { defaultValue: 'Hello', ns: 'common' })

require-translation-default/require-trans-default

Ensures <Trans> components include a defaults prop.

// Invalid
<Trans i18nKey="greeting">Hello World</Trans>

// Valid
<Trans i18nKey="greeting" defaults="Hello World">Hello World</Trans>

Ignoring Specific Cases

// deno-lint-ignore require-translation-default/require-default-value
const text = t('dynamic.key');

// deno-lint-ignore require-translation-default/require-trans-default
<Trans i18nKey="key">Content</Trans>