ag-charts-community
Version:
Advanced Charting / Charts supporting Javascript / Typescript / React / Angular / Vue
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JavaScript
import { durationMinute, durationWeek } from "./duration";
import { CountableTimeInterval } from "./interval";
// Set date to n-th day of the week.
function weekday(n) {
// Sets the `date` to the start of the `n`-th day of the current week.
// n == 0 is Sunday.
function floor(date) {
// 1..31 1..7
date.setDate(date.getDate() - (date.getDay() + 7 - n) % 7);
date.setHours(0, 0, 0, 0); // h, m, s, ms
}
// Offset the date by the given number of weeks.
function offset(date, weeks) {
date.setDate(date.getDate() + weeks * 7);
}
// Count the number of weeks between the start and end dates.
function count(start, end) {
var msDelta = end.getTime() - start.getTime();
var tzMinuteDelta = end.getTimezoneOffset() - start.getTimezoneOffset();
return (msDelta - tzMinuteDelta * durationMinute) / durationWeek;
}
return new CountableTimeInterval(floor, offset, count);
}
export var sunday = weekday(0);
export var monday = weekday(1);
export var tuesday = weekday(2);
export var wednesday = weekday(3);
export var thursday = weekday(4);
export var friday = weekday(5);
export var saturday = weekday(6);
export default sunday;
//# sourceMappingURL=week.js.map