The declaration module in Typescript with and without a body

I am facing an issue with importing a .mdx file.

When I include the following in my mdx.d.ts:

/// <reference types="@mdx-js/loader" />
import { ComponentType } from "react";

declare module '*.mdx' {
  const Component: ComponentType;
  export default Component;
}

and try to import it like this:

import Comp from "./Comp.mdx";

I get an error saying "TS2307: Cannot find module './Comp.mdx' or its corresponding type declarations."

However, if I only have the following declaration:

declare module '*.mdx';

It works fine. Can anyone explain why?

Here is my tsconfig.json:

{
  "compilerOptions": {
    "target": "es5",
    "lib": ["dom", "dom.iterable", "esnext"],
    "allowJs": true,
    "skipLibCheck": true,
    "strict": false,
    "forceConsistentCasingInFileNames": true,
    "noEmit": true,
    "esModuleInterop": true,
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "jsx": "preserve"
  },
  "include": ["**/*.d.ts", "**/*.ts", "**/*.tsx"],
  "exclude": ["node_modules"]
}

Answer №1

/// Let's make a modification - excluding the import statement seems to resolve the issue. Let's adjust ComponentType to any.

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