Vue · Senior · Question 53 of 75

How do you type a global property like `$t` added with `app.config.globalProperties`?

declare module 'vue' {
  interface ComponentCustomProperties {
    $t: (key: string) => string
  }
}

✓Correct answer: Augment ComponentCustomProperties in the vue module
2Add it to defineProps
3Global properties can't be typed

Explanation

Global properties are mainly for templates and the Options API; in <script setup> prefer provide/inject or a composable.

Further reading

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