121 lines
2.9 KiB
TypeScript
121 lines
2.9 KiB
TypeScript
import * as plugins from './smarttime.plugins';
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export type TAvailableZone = 'Europe/Berlin';
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export interface IDateUnits {
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year: number;
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yearString: string;
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month: number;
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monthString: string;
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monthName: string;
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day: number;
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dayString: string;
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dayOfTheWeek: number;
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dayOfTheWeekName: string;
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}
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export class ExtendedDate extends Date {
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// STATIC factories
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public static fromMillis(milliSeconds: number) {
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return new ExtendedDate(milliSeconds);
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}
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public static fromEuropeanDate(europeanDate: string) {
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const dateArray = /(.*)\.(.*)\.(.*)/.exec(europeanDate);
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const luxonDate = plugins.luxon.DateTime.utc(
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parseFloat(dateArray[3]), // year
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parseFloat(dateArray[2]), // month
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parseFloat(dateArray[1]) // day
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);
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const unixMilli = luxonDate.toMillis();
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return new ExtendedDate(unixMilli);
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}
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/**
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* creates an Extended date from a hypedDate like "2018-03-28"
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* @param dateString
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*/
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public static fromHyphedDate(dateString: string) {
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// guards
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// implementation
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const dateMillis = new Date(dateString).getTime();
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return new ExtendedDate(dateMillis);
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}
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/**
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* Same as .fromEuropeanDate(), but accepts additional timeArg and zoneArg
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*/
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public static fromEuropeanDateAndTime(
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europeanDateArg: string,
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timeArg: string = '12:00:00',
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zoneArg: TAvailableZone = 'Europe/Berlin'
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) {
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// guards
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// implementation
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const dateArray = /(.*)\.(.*)\.(.*)/.exec(europeanDateArg);
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const sliceDate = (dateString: string) => {
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return `0${dateString}`.slice(-2);
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};
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const dateTimeString = `${dateArray[3]}-${sliceDate(dateArray[2])}-${sliceDate(
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dateArray[1]
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)}T${timeArg}`;
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const luxonDate = plugins.luxon.DateTime.fromISO(dateTimeString, {
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zone: zoneArg
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});
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const unixMilli = luxonDate.toMillis();
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return new ExtendedDate(unixMilli);
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}
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// INSTANCE
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constructor(unixMilli: number) {
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super(unixMilli);
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}
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//
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public exportToEuropeanDate() {
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const units = this.exportToUnits();
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return `${units.dayString}.${units.monthString}.${units.yearString}`;
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}
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/**
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* exports units
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*/
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public exportToUnits(): IDateUnits {
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const monthsArray = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December'
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];
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const daysArray = [
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'Monday',
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'Tuesday',
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'Wednesday',
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'Thursday',
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'Friday',
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'Saturday',
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'Sunday'
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];
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return {
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year: this.getFullYear(),
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yearString: `${this.getFullYear()}`,
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month: this.getMonth() + 1,
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monthString: ("0" + (this.getMonth() + 1)).slice(-2),
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monthName: monthsArray[this.getMonth()],
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day: this.getDate(),
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dayString: ("0" + this.getDate()).slice(-2),
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dayOfTheWeek: this.getDay(),
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dayOfTheWeekName: daysArray[this.getDay()]
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};
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}
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}
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