Fixing the “Cannot Use Namespace as a Type” Error in TypeScript
Learn how to quickly fix the “cannot use namespace as a type” error in TypeScript.
Published in
2 min readJun 4, 2022
Are you experiencing the “cannot use namespace as a type” error in TypeScript?
This error can occur when you try to import types declared as a module. For example:
car.d.ts
declare module 'car' {
class Car {
color: string;
age: number;
maxSpeed: number;
}
}💡 10 compelling reasons to use TypeScript with React in 2024:
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index.ts
import Car from 'car';// Cannot use namespace 'Car' as a type.
const user: Car = {
color: 'red',
age: 2,
maxSpeed: 120,
};
To fix this error, use an export assignment to specify a default export for the namespace, like this:
car.d.ts
declare module 'car' {
class Car {
color: string;
age: number;
maxSpeed: number;
}
export = Car;
}Updated at: codingbeautydev.com
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