Alex Gleason
58 lines
1.7 KiB
TypeScript
58 lines
1.7 KiB
TypeScript
import '@testing-library/jest-dom';
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import { vi } from 'vitest';
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// Node.js 22 has a built-in `localStorage` that lacks standard Web Storage API
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// methods (getItem, setItem, etc.) unless `--localstorage-file` is provided.
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// This conflicts with jsdom's proper localStorage, so we override the global.
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const localStorageMap = new Map<string, string>();
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const localStorageMock: Storage = {
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getItem: (key: string) => localStorageMap.get(key) ?? null,
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setItem: (key: string, value: string) => { localStorageMap.set(key, value); },
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removeItem: (key: string) => { localStorageMap.delete(key); },
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clear: () => { localStorageMap.clear(); },
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get length() { return localStorageMap.size; },
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key: (index: number) => [...localStorageMap.keys()][index] ?? null,
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};
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Object.defineProperty(globalThis, 'localStorage', {
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value: localStorageMock,
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writable: true,
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configurable: true,
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});
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// Mock window.matchMedia
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Object.defineProperty(window, 'matchMedia', {
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writable: true,
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value: vi.fn().mockImplementation((query) => ({
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matches: false,
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media: query,
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onchange: null,
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addListener: vi.fn(), // deprecated
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removeListener: vi.fn(), // deprecated
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addEventListener: vi.fn(),
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removeEventListener: vi.fn(),
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dispatchEvent: vi.fn(),
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})),
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});
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// Mock window.scrollTo
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Object.defineProperty(window, 'scrollTo', {
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writable: true,
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value: vi.fn(),
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});
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// Mock IntersectionObserver
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global.IntersectionObserver = vi.fn().mockImplementation((_callback) => ({
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observe: vi.fn(),
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unobserve: vi.fn(),
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disconnect: vi.fn(),
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root: null,
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rootMargin: '',
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thresholds: [],
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}));
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// Mock ResizeObserver
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global.ResizeObserver = vi.fn().mockImplementation((_callback) => ({
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observe: vi.fn(),
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unobserve: vi.fn(),
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disconnect: vi.fn(),
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})); |