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@@ -156,38 +156,36 @@ var vm = new Vue({ | |
}) | ||
``` | ||
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## Annotating Return Types (EN) | ||
## Annotation des types de retour | ||
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Because of the circular nature of Vue's declaration files, TypeScript may have difficulties inferring the types of certain methods. | ||
For this reason, you may need to annotate the return type on methods like `render` and those in `computed`. | ||
Du fait de la nature circulaire de la déclaration des fichiers Vue, TypeScript peut avoir des difficultés à deviner les types de certaines méthodes. Pour ces raisons, vous devriez annoter les types de retour des méthodes comme `render` et ceux dans `computed`. | ||
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```ts | ||
import Vue, { VNode } from 'vue' | ||
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const Component = Vue.extend({ | ||
data() { | ||
return { | ||
msg: 'Hello' | ||
msg: 'Bonjour' | ||
} | ||
}, | ||
methods: { | ||
// need annotation due to `this` in return type | ||
// besoin d'une annotation car `this` fait parti du type de retour | ||
greet(): string { | ||
return this.msg + ' world' | ||
} | ||
}, | ||
computed: { | ||
// need annotation | ||
// besoin d'une annotation | ||
greeting(): string { | ||
return this.greet() + '!' | ||
} | ||
}, | ||
// `createElement` is inferred, but `render` needs return type | ||
// `createElement` est deviné, mais `render` à besoin d'une annotation de type de retour | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. à besoin => a besoin
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render(createElement): VNode { | ||
return createElement('div', this.greeting) | ||
} | ||
}) | ||
``` | ||
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If you find type inference or member completion isn't working, annotating certain methods may help address these problems. | ||
Using the `--noImplicitAny` option will help find many of these unannotated methods. | ||
Si vous vous apercevez que l'autocomplétion ne fonctionne pas, annoter certaines méthodes peut aider à résoudre ces problèmes. Utiliser l'option `--noImplicitAny` aidera à trouver bon nombre de ces méthodes non annotées. |
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à besoin => a besoin