Alex van AndelandGitHub
46fc67f70d
* Date add 1 day adds 24 hours, not 1 day, causing the last date to be lost on dst change * Alternate fix with tests * Extract logic so test file doesnt register tsx
33 lines
967 B
TypeScript
33 lines
967 B
TypeScript
import { daysInMonth, yyyymmdd } from "@calcom/lib/date-fns";
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// calculate the available dates in the month:
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// *) Intersect with included dates.
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// *) Dates in the past are not available.
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// *) Use right amount of days in given month. (28, 30, 31)
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export function getAvailableDatesInMonth({
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browsingDate, // pass as UTC
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minDate = new Date(),
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includedDates,
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}: {
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browsingDate: Date;
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minDate?: Date;
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includedDates?: string[];
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}) {
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const dates = [];
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const lastDateOfMonth = new Date(
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Date.UTC(browsingDate.getFullYear(), browsingDate.getMonth(), daysInMonth(browsingDate))
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);
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for (
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let date = browsingDate > minDate ? browsingDate : minDate;
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date <= lastDateOfMonth;
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date = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate() + 1))
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) {
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// intersect included dates
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if (includedDates && !includedDates.includes(yyyymmdd(date))) {
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continue;
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}
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dates.push(yyyymmdd(date));
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}
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return dates;
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}
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