Typescript Interface: Only one optional parameter is mandatory

Is there a way in TypeScript to create an interface where you can only supply either content OR content_object, but not both? It would be beneficial for the code structure if this restriction could be implemented. Any suggestions on the simplest approach to achieve this?

interface IModal {
    content?: string;
    content_object?: object;
}

Answer №1

interface ModalType {
    content: string;
    content_object?: undefined;
} |
{
    content_object: object;
    content?: undefined;
}

This code-only answer may not meet the standards set by automated systems.

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