9 lines
348 B
TypeScript
9 lines
348 B
TypeScript
export type Writable<T> = {
|
|
-readonly [P in keyof T]: T[P];
|
|
};
|
|
export type WritableArray<T> = T extends readonly any[] ? Writable<T> : T;
|
|
export type IfNever<T, Y = true, N = false> = [T] extends [never] ? Y : N;
|
|
export type IfUnknown<T, Y, N> = [unknown] extends [T] ? Y : N;
|
|
export type UnknownToNever<T> = IfUnknown<T, never, T>;
|
|
export {};
|