dateIsoWeek depends on the timezone of the machine running the tests #1026
Description
Describe the bug
At https://github.com/capricorn86/happy-dom/blob/master/packages/happy-dom/src/nodes/html-input-element/HTMLInputElementDateUtility.ts#L17-L19, date.getDay() is dependent on the timezone of the machine. The results are inconsistent.
To Reproduce
Steps to reproduce the behavior:
$ TZ="UTC" npm run test -- --no-cache --force
happy-dom:test: Test Files 89 passed (89)
happy-dom:test: Tests 2344 passed (2344)
$ TZ="US/Pacific" npm run test -- --no-cache --force
happy-dom:test: FAIL test/nodes/html-input-element/HTMLInputDateUtility.test.ts > HTMLInputElementDateUtility > dateToIsoWeek() > Returns the ISO week number
happy-dom:test: AssertionError: expected '2021-W02' to be '2021-W01' // Object.is equality
happy-dom:test: FAIL test/nodes/html-input-element/HTMLInputDateUtility.test.ts > HTMLInputElementDateUtility > IsoWeekToDate() > Returns the ISO week number
happy-dom:test: AssertionError: expected 2020-12-29T00:00:00.000Z to deeply equal 2020-12-28T00:00:00.000Z
happy-dom:test: FAIL test/nodes/html-input-element/HTMLInputElement.test.ts > HTMLInputElement > get valueAsDate() > Should return valid date for type 'week' with valid value
happy-dom:test: AssertionError: expected 2023-05-30T00:00:00.000Z to deeply equal 2023-05-29T00:00:00.000Z
To reproduce the root cause:
$ TZ="US/Pacific" node -e "console.log(new Date('2021-01-03').getDay())"
6
$ TZ="UTC" node -e "console.log(new Date('2021-01-03').getDay())"
0
Expected behavior
Tests should pass anywhere in the world.
Screenshots
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Device:
- OS: [e.g. iOS]
- Browser [e.g. chrome, safari]
- Version [e.g. 22]
Latest version
Additional context
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