55 lines
1.3 KiB
TypeScript
55 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 =
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time.length === 2
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? Date.UTC(time[0], time[1])
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: time.length === 3
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? Date.UTC(time[0], time[1], time[2])
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: time.length === 4
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? Date.UTC(time[0], time[1], time[2], time[3])
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: time.length === 5
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? Date.UTC(time[0], time[1], time[2], time[3], time[4])
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: time.length === 6
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? Date.UTC(time[0], time[1], time[2], time[3], time[4], time[5])
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: time.length === 7
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? 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(
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x: Date,
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value: number,
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span: keyof typeof dateTimeIntervals = "ms",
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): Date {
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return new Date(x.getTime() + value * dateTimeIntervals[span]);
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}
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export function subtractTime(
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x: Date,
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value: number,
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span: keyof typeof dateTimeIntervals = "ms",
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): Date {
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return new Date(x.getTime() - value * dateTimeIntervals[span]);
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}
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