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blog/.jest/__mocks__/matchMedia.ts

28 lines
758 B
TypeScript

const matchMediaMock = Object.defineProperty(window, 'matchMedia', {
writable: true,
value: jest
.fn()
.mockImplementationOnce((query) => ({
matches: false,
media: query,
onchange: null,
addListener: jest.fn(), // deprecated
removeListener: jest.fn(), // deprecated
addEventListener: jest.fn(),
removeEventListener: jest.fn(),
dispatchEvent: jest.fn()
}))
.mockImplementation((query) => ({
matches: true,
media: query,
onchange: null,
addListener: jest.fn(), // deprecated
removeListener: jest.fn(), // deprecated
addEventListener: jest.fn(),
removeEventListener: jest.fn(),
dispatchEvent: jest.fn()
}))
})
export default matchMediaMock