How export {} affects declare global

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global.d.ts

declare global {
  export interface Window {
    ...
  }

export {}

I realized that export {} has an effect on redefining window module.

I saw a brief explanation that export {} makes the d.ts file a module. However, I didn't understand how d.ts became a module would affect the typescript. Is there any document that I can refer to?

node-modules typescript
1 Answers

I think this official documentation of TypeScript, could help you!

Global-modifying Modules

A global-modifying module alters existing values in the global scope when they are imported. For example, there might exist a library which adds new members to String.prototype when imported. This pattern is somewhat dangerous due to the possibility of runtime conflicts, but we can still write a declaration file for it.

Typescript

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