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Given that the error says "reference to an interface or literal type", I’m under the assumption that defining ButtonProps
as an interface extending a base type should work:
type IntentAndSize = {
[K in IntentType as `${Lowercase<K>}`]?: boolean;
};
interface ButtonProps extends IntentAndSize {
intent?: IntentType;
size?: SizeType;
}
Source:stackexchange.com