30 lines
985 B
JavaScript
30 lines
985 B
JavaScript
import interval from "./interval.js";
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import {durationWeek} from "./duration.js";
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function utcWeekday(i) {
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return interval(function(date) {
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date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7);
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date.setUTCHours(0, 0, 0, 0);
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}, function(date, step) {
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date.setUTCDate(date.getUTCDate() + step * 7);
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}, function(start, end) {
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return (end - start) / durationWeek;
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});
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}
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export var utcSunday = utcWeekday(0);
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export var utcMonday = utcWeekday(1);
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export var utcTuesday = utcWeekday(2);
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export var utcWednesday = utcWeekday(3);
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export var utcThursday = utcWeekday(4);
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export var utcFriday = utcWeekday(5);
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export var utcSaturday = utcWeekday(6);
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export var utcSundays = utcSunday.range;
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export var utcMondays = utcMonday.range;
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export var utcTuesdays = utcTuesday.range;
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export var utcWednesdays = utcWednesday.range;
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export var utcThursdays = utcThursday.range;
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export var utcFridays = utcFriday.range;
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export var utcSaturdays = utcSaturday.range;
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