@shopify/jest-dom-mocks/build/esm/clock.mjs

Jest mocking utilities for working with the DOM

class Clock {
  constructor() {
    this.isUsingMockClock = false;
  }
  mock(now = Date.now()) {
    if (this.isUsingMockClock) {
      throw new Error('The clock is already mocked, but you tried to mock it again.');
    }
    jest.useFakeTimers({
      now
    });
    this.isUsingMockClock = true;
  }
  restore() {
    if (!this.isUsingMockClock) {
      throw new Error('The clock is already real, but you tried to restore it again.');
    }
    jest.useRealTimers();
    this.isUsingMockClock = false;
  }
  isMocked() {
    return this.isUsingMockClock;
  }
  tick(time) {
    this.ensureClockIsMocked();
    jest.advanceTimersByTime(time);
  }
  setTime(time) {
    this.ensureClockIsMocked();
    jest.setSystemTime(time);
  }
  ensureClockIsMocked() {
    if (!this.isUsingMockClock) {
      throw new Error('You must call clock.mock() before interacting with the mock clock.');
    }
  }
}

export { Clock as default };