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28 lines
1.0 KiB
28 lines
1.0 KiB
import moment from 'moment-timezone';
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/**
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* Output an ISO8601 format datetime string, with timezone.
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* Any string fed in without timezone is expected to be in UTC.
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*
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* When connected to postgres, dates will be extracted as Date objects,
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* with timezone information. The normalization done here is not
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* really needed in this case.
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*
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* Timestamps in SQLite are stored as UTC, and read as strings
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* (without timezone information). The normalization here is
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* pretty important in this case.
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*/
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export function normalizedDateTimeString(dateTime: any): string {
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if (!dateTime) { return dateTime; }
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if (dateTime instanceof Date) {
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return moment(dateTime).toISOString();
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}
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if (typeof dateTime === 'string' || typeof dateTime === 'number') {
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// When SQLite returns a string, it will be in UTC.
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// Need to make sure it actually have timezone info in it
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// (will not by default).
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return moment.utc(dateTime).toISOString();
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}
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throw new Error(`normalizedDateTimeString cannot handle ${dateTime}`);
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}
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