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fix(happy-dom): don't crash when calling useFakeTimers with empty config
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sheremet-va committed Oct 2, 2023
1 parent 5f4774f commit 08f51f5
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Showing 2 changed files with 12 additions and 1 deletion.
2 changes: 1 addition & 1 deletion packages/vitest/src/integrations/vi.ts
Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@ function createVitest(): VitestUtils {
}

if (config)
_timers.configure(config)
_timers.configure({ ...workerState.config.fakeTimers, ...config })
else
_timers.configure(workerState.config.fakeTimers)

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11 changes: 11 additions & 0 deletions test/core/test/environments/happy-dom.spec.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
// @vitest-environment happy-dom

import { afterEach, test, vi } from 'vitest'

afterEach(() => {
vi.useRealTimers()
})

test('fake timers don\'t fail when using empty config', () => {
vi.useFakeTimers({})
})

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