Function getIfNotFunction

src/common/other.ts:8–14

(predicate: (value: unknown) => value is unknown)

const getIfNotFunction =
  (predicate: (value: unknown) => value is unknown) =>
  <Value, Return>(
    value: Value | null | undefined,
    then: (value: Value) => Return,
    otherwise?: () => Return,
  ): Return | undefined =>
    predicate(value) ? /* istanbul ignore next */ otherwise?.() : then(value);

export const GLOBAL = globalThis;
export const WINDOW = GLOBAL.window;