export enum Actions {
    // from background to content script
    EXTRACT = 1,
    GOTO_URL,
    PING,
    QUERY_URL,
    SCROLL_BOTTOM,
    SLEEP,
    WAKEUP,
    // from popup to background script
    UPLOAD_STATE,
    // from content to background script
    REPORT_NEW_PAGE,
}

export interface Request {
    action: Actions
    itemsSelector?: string
    fieldSelectors?: string[]
    url?: string
    fileName?: string
    state?: string
}

export interface Response<T> {
    result: T;
    error: string;
}