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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | import { getWindow } from '../helpers'; export class MediaService { private static _window?: Window; // private constructor() {} protected static get window() { Iif (!MediaService._window) MediaService._window = getWindow(); return MediaService._window; } static isDarkMode() { const colorSchemePreference = this.window.matchMedia( '(prefers-color-scheme: dark)' ); return colorSchemePreference.matches; } } |