Export all the interfaces that have been imported

I have created an NPM package that includes a class with multiple interfaces defined in a "types.ts" file. However, I am encountering an issue where I am unable to access these interfaces when attempting to use the package myself. It seems that I may need to export the imported interfaces, but the method I found

export import { IMyInterface } from './common/types'
appears to be outdated or deprecated.

Here is my index.ts:

import { IMyInterface, IMyInterface2 } from './common/types';

export class ExampleClass {
  public async getInfo(): Promise<IMyInterface[]> {
    return await request();
  }
}

Although I can see the returned type in VSCode when using this library, I am unable to define variables using these types. For example, using IMyInterface as a type in the following code snippet results in an error as it cannot be found:

import { ExampleClass } from 'my-library'
const instance = new ExampleClass();
const info: IMyInterface = instance.getInfo();

My question is:

How can I ensure that my library's interfaces are accessible to others who import the Class?

Answer №1

Incorporate your interfaces into your exampleClass file for easy exporting. link

Look up the re-export feature.

export {IMyInterface as exampleInterface} from "./common/types";
export {IMyInterface2 as exampleInterface2} from "./common/types";

Subsequently, import the new example interfaces wherever you require them.

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