In Typescript, an interface is defined where the "id" property is required to be a number, while all other properties must be of

I am in need of creating an interface to represent data received from the server, where the id is a number and all other properties are strings.

This is what I attempted:

interface AnyChartsData {
  id: number;
  [key: string]: string;
}

However, I encountered this error:

[ts] Property 'id' of type 'number' is not assignable to string index type 'string'. [2411]

How do I correctly define this interface?

Answer №1

To ensure compatibility with a number type for the id, consider implementing a union type in your code such as:

interface AnyDataCharts {
    id: number;
    [key: string]: string | number;
}

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