web: fix dateTimeLocal() dropping local timezone
closes #2860 Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
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@ -97,6 +97,10 @@ export function dateTimeLocal(date: Date): string {
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// milliseconds, which the input field doesn't like (on chrome, on firefox its fine)
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// milliseconds, which the input field doesn't like (on chrome, on firefox its fine)
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// On chrome, setting .valueAsNumber works, but that causes an error on firefox, so go
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// On chrome, setting .valueAsNumber works, but that causes an error on firefox, so go
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// figure.
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// figure.
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const parts = date.toISOString().split(":");
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// Additionally, toISOString always returns the date without timezone, which we would like
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// to include for better usability
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const tzOffset = new Date().getTimezoneOffset() * 60000; //offset in milliseconds
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const localISOTime = new Date(date.getTime() - tzOffset).toISOString().slice(0, -1);
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const parts = localISOTime.split(":");
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return `${parts[0]}:${parts[1]}`;
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return `${parts[0]}:${parts[1]}`;
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}
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}
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