jest-matchmedia-mock/dist/matchmedia-mock.d.ts

Mock for fully testing any media queries with Jest

interface MediaQueryList {
    readonly matches: boolean;
    readonly media: string;
    onchange: MediaQueryListener | null;
    /** @deprecated */
    addListener(listener: MediaQueryListener): void;
    /** @deprecated */
    removeListener(listener: MediaQueryListener): void;
    addEventListener(type: 'change', listener: MediaQueryListener): void;
    removeEventListener(type: 'change', listener: MediaQueryListener): void;
    dispatchEvent(event: Event): boolean;
}
declare type MediaQueryListener = (this: MediaQueryList, ev: MediaQueryListEvent) => void;
export default class MatchMedia {
    private mediaQueries;
    private mediaQueryList;
    private currentMediaQuery;
    constructor();
    /**
     * Adds a new listener function for the specified media query
     * @private
     */
    private addListener;
    /**
     * Removes a previously added listener function for the specified media query
     * @private
     */
    private removeListener;
    /**
     * Updates the currently used media query,
     * and calls previously added listener functions registered for this media query
     * @public
     */
    useMediaQuery(mediaQuery: string): never | void;
    /**
     * Returns an array listing the media queries for which the matchMedia has registered listeners
     * @public
     */
    getMediaQueries(): string[];
    /**
     * Returns a copy of the array of listeners for the specified media query
     * @public
     */
    getListeners(mediaQuery: string): MediaQueryListener[];
    /**
     * Clears all registered media queries and their listeners
     * @public
     */
    clear(): void;
    /**
     * Clears all registered media queries and their listeners,
     * and destroys the implementation of `window.matchMedia`
     * @public
     */
    destroy(): void;
}
export {};