Function nullToUndefined

src/shared/utils.ts:199–201

(value: T)

export type NullAsUndefined<T> = null extends T ? NonNullable<T> | undefined : T;

export function nullToUndefined<T>(value: T): NullAsUndefined<T> {
	return (value === null ? undefined : value) as NullAsUndefined<T>;
}

export function notUndefined<T>(x: T | undefined): x is T {
	return x !== undefined;