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import {timeInterval} from "./interval.js";
export const timeYear = timeInterval((date) => {
date.setMonth(0, 1);
date.setHours(0, 0, 0, 0);
}, (date, step) => {
date.setFullYear(date.getFullYear() + step);
}, (start, end) => {
return end.getFullYear() - start.getFullYear();
}, (date) => {
return date.getFullYear();
});
// An optimized implementation for this simple case.
timeYear.every = (k) => {
return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : timeInterval((date) => {
date.setFullYear(Math.floor(date.getFullYear() / k) * k);
date.setMonth(0, 1);
date.setHours(0, 0, 0, 0);
}, (date, step) => {
date.setFullYear(date.getFullYear() + step * k);
});
};
export const timeYears = timeYear.range;
export const utcYear = timeInterval((date) => {
date.setUTCMonth(0, 1);
date.setUTCHours(0, 0, 0, 0);
}, (date, step) => {
date.setUTCFullYear(date.getUTCFullYear() + step);
}, (start, end) => {
return end.getUTCFullYear() - start.getUTCFullYear();
}, (date) => {
return date.getUTCFullYear();
});
// An optimized implementation for this simple case.
utcYear.every = (k) => {
return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : timeInterval((date) => {
date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k);
date.setUTCMonth(0, 1);
date.setUTCHours(0, 0, 0, 0);
}, (date, step) => {
date.setUTCFullYear(date.getUTCFullYear() + step * k);
});
};
export const utcYears = utcYear.range;
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