const ENABLE_FULLSCREEN_MODE = 'ENABLE_FULLSCREEN_MODE'; const DISABLE_FULLSCREEN_MODE = 'DISABLE_FULLSCREEN_MODE'; const initialState = false; const fullscreen = function ( state = initialState, action: ReturnType | ReturnType, ) { switch (action.type) { case DISABLE_FULLSCREEN_MODE: return false; case ENABLE_FULLSCREEN_MODE: return true; default: return state; } }; export function enableFullscreen() { return { type: ENABLE_FULLSCREEN_MODE, } as const; } export function disableFullscreen() { return { type: DISABLE_FULLSCREEN_MODE, } as const; } export default fullscreen;