type GlobalState = typeof Window.prototype & { windowExists: boolean } & Record<PropertyKey, any>;
type DocumentShim = typeof Document.prototype & { windowExists: boolean };

const globalState: GlobalState = (typeof window !== 'undefined')
    ? window
    : {
        addEventListener: () => { },
        removeEventListener: () => { },
        matchMedia: () => ({}),
        getComputedStyle: () => ({}),
        fetch,
    } as any;

const documentWrap: DocumentShim = (typeof window !== 'undefined')
    ? document
    : {
        querySelector: () => null,
    } as any;

if (typeof window !== 'undefined') {
    globalState.windowExists = true;
    documentWrap.windowExists = true;
} else {
    globalState.windowExists = false;
    documentWrap.windowExists = false;
}

export { documentWrap, globalState };