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How to configure custom global interfaces (.d.ts files) for TypeScript?

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Sometimes, we want to configure custom global interfaces (.d.ts files) for TypeScript.

In this article, we’ll look at how to configure custom global interfaces (.d.ts files) for TypeScript.

How to configure custom global interfaces (.d.ts files) for TypeScript?

To configure custom global interfaces (.d.ts files) for TypeScript, we add our interfaces directly into a .d.ts file.

For instance, we can add a types.d.ts file and write

interface Dictionary {}
interface Foo {}
interface Bar {}

to add the Dictionary, Foo, and Bar interfaces into the types.d.ts global type definition file.

Conclusion

To configure custom global interfaces (.d.ts files) for TypeScript, we add our interfaces directly into a .d.ts file.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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