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fix datetime-local timezone offset #244

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Merged
merged 1 commit into from
Apr 7, 2023
Merged

fix datetime-local timezone offset #244

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5 changes: 4 additions & 1 deletion src/date.js
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Original file line number Diff line number Diff line change
Expand Up @@ -69,8 +69,11 @@ function formatDate(value) {
: value;
}

// The datetime-local input uses YYYY-MM-DDThh:mm like ISO 8601, but in local
// time rather than UTC, so we apply the offset before calling toISOString.
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/datetime-local
function formatDatetime(value) {
return (value = coerce(value))
? value.toISOString().slice(0, 16)
? (new Date(+value - value.getTimezoneOffset() * 1000 * 60)).toISOString().slice(0, 16)
: value;
}