32 lines
897 B
TypeScript
32 lines
897 B
TypeScript
const dateTimeIntervals = {
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'days': 86400000,
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'hours': 3600000,
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};
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export function DateUTC(time: number[]): Date {
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const r = new Date(0);
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r.setUTCFullYear(time[0], time[1], time[2]);
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if (time[3]) r.setUTCHours(time[3], ...time.slice(4));
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return r;
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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 addTimespan(x: Date, value: number, span: keyof typeof dateTimeIntervals): Date {
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return new Date(x.getTime() + (value * dateTimeIntervals[span]));
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}
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export function subtractTimespan(x: Date, value: number, span: keyof typeof dateTimeIntervals): Date {
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return new Date(x.getTime() - (value * dateTimeIntervals[span]));
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}
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