47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
import dayjs from 'dayjs';
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// Returns an array of millisecond-timestamps of start-of-week days (Sundays)
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export function startDaysBetween(startDate, endDate) {
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// Ensure the start date is a Sunday
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while (startDate.getDay() !== 0) {
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startDate.setDate(startDate.getDate() + 1);
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}
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const start = dayjs(startDate);
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const end = dayjs(endDate);
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const startDays = [];
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let current = start;
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while (current.isBefore(end)) {
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startDays.push(current.valueOf());
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// we are adding 7 * 24 hours instead of 1 week because we don't want
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// date library to use local time zone to calculate 1 week from now.
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// local time zone is problematic because of daylight saving time (dst)
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// used on some countries
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current = current.add(7 * 24, 'hour');
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}
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return startDays;
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}
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export function firstStartDateAfterDate(inputDate) {
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if (!(inputDate instanceof Date)) {
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throw new Error('Invalid date');
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}
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const dayOfWeek = inputDate.getDay();
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const daysUntilSunday = 7 - dayOfWeek;
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const resultDate = new Date(inputDate.getTime());
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resultDate.setDate(resultDate.getDate() + daysUntilSunday);
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return resultDate.valueOf();
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}
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export function fillEmptyStartDaysWithZeroes(startDays, data) {
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const result = {};
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for (const startDay of startDays) {
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result[startDay] = data[startDay] || {'week': startDay, 'additions': 0, 'deletions': 0, 'commits': 0};
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}
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return Object.values(result);
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}
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