Let's say you're creating a component that has all the props of input but needs to add a label prop. You'll need to extend from the ComponentProps type helper
import { ComponentProps } from "react";
export type InputProps =
ComponentProps<"input"> & {
label: string;
};
export function Input({
label,
...props
}: InputProps) {
return (
<label>
{label}
<input {...props} />
</label>
);
}But unfortunately, intersections used this way will, on the scale of a large codebase, slow TypeScript down.
Instead, you should use an interface, using interface extends:
import { ComponentProps } from "react";
export interface InputProps
extends ComponentProps<"input"> {
label: string;
}
See article for more details
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