Sometimes, we want to add multiple type signatures for members or union types in TypeScript.

In this article, we’ll look at how to add multiple type signatures for members or union types in TypeScript.

How to add multiple type signatures for members or union types in TypeScript?

To add multiple type signatures for members or union types in TypeScript, we can add union types with TypeScript.

For instance, we write

interface Foo {
  bar: string | boolean;
}

to set the bar property to be either a string or boolean with string | boolean.

Conclusion

To add multiple type signatures for members or union types in TypeScript, we can add union types with TypeScript.