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39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
const dateTimeIntervals = {
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'day': 86400000,
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'hour': 3600000,
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'ms': 1,
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};
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export function dateUTC(time: number[]): Date {
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const d = time.length === 2 ? Date.UTC(time[0], time[1])
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: time.length === 3 ? Date.UTC(time[0], time[1], time[2])
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: time.length === 4 ? Date.UTC(time[0], time[1], time[2], time[3])
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: time.length === 5 ? Date.UTC(time[0], time[1], time[2], time[3], time[4])
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: time.length === 6 ? Date.UTC(time[0], time[1], time[2], time[3], time[4], time[5])
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: time.length === 7 ? Date.UTC(time[0], time[1], time[2], time[3], time[4], time[5], time[6])
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: null;
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if (!d) throw 'wrong number of arguments';
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return new Date(d);
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}
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export function isTimeSame(a: Date, b: Date): boolean {
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return a.getTime() === b.getTime();
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}
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export function isTimeBefore(a: Date, b: Date): boolean {
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return (a.getTime() - b.getTime()) < 0;
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}
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export function isTimeAfter(a: Date, b: Date): boolean {
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return (a.getTime() - b.getTime()) > 0;
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}
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export function addTime(x: Date, value: number, span: keyof typeof dateTimeIntervals = 'ms'): Date {
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return new Date(x.getTime() + (value * dateTimeIntervals[span]));
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}
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export function subtractTime(x: Date, value: number, span: keyof typeof dateTimeIntervals = 'ms'): Date {
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return new Date(x.getTime() - (value * dateTimeIntervals[span]));
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}
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