Leveraging TypeScript types from the @types directory within Nuxt3

My understanding is that when using JavaScript libraries in TypeScript, the recommended approach is to install the corresponding *.d.ts files from npm, typically found in the @types/ namespace.

This method works well for my own TypeScript projects. However, when using Vite with TypeScript, an additional step is required - adding "node_modules/@types/**/*.d.ts" to the includes property in the provided tsconfig.json.

On the other hand, Nuxt has its own automatically generated tsconfig.json, which gets overwritten if attempting to add an include property. This results in TypeScript not importing anything by default.

So where should I specify to include "node_modules/@types/**/*.d.ts"? And why isn't this the default setting?

How can I make sure TypeScript recognizes the declarations in the @types/ folder?

typescriptnuxt.js

Answer №1

With Nuxt, it is possible to personalize the .nuxt/tsconfig.json file using a configuration setup.

nuxt.config.ts:

export default defineNuxtConfig({
  typescript: {
    tsConfig: {
      compilerOptions: {
        types: ['node'], // including @types/node
      },
    },
  },
});

Check out a demo here

Answer №2

Thankful for the solution. I found a clever workaround that helped me get past a roadblock. After trying numerous suggestions without success, I finally discovered a simple trick. By adding a 

/// <reference path="" />
to any *.ts file in my project, it granted access to those types in all files.

Now, I maintain a file named ambient.ts within my local types directory. Whenever I incorporate a library from StaticallyTyped, I update this file with a line like this:

/// <reference path="../node_modules/@types/gapi/index.d.ts" />

As a result, I can utilize these types across every file within my project seamlessly.

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