61 lines
1.5 KiB
TypeScript
61 lines
1.5 KiB
TypeScript
export class FullDate {
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private _date: Date;
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constructor(...argv: any) {
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this._date = (()=>{
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if (argv.length==1) {
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const arg = argv[0];
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if (arg instanceof FullDate) return new Date(+arg);
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if (arg instanceof Date) return arg;
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if (typeof arg === 'string') {
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const tokens = /^(\d+)-(\d+)-(\d+)$/g.exec(arg)?.slice(1, 4);
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if (tokens) return new Date(+tokens[0], +tokens[1]-1, +tokens[2]);
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}
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return new Date(arg);
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} else if (argv.length==3) {
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return new Date(argv[0], argv[1]-1, argv[2]);
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}
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return new Date();
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})();
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}
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toString(): string {
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const d = this._date;
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const f = (s: any) => ('0'+s).slice(-2);
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return `${d.getFullYear()}-${f(d.getMonth()+1)}-${f(d.getDate())}`;
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}
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toJSON(): string {
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return this.toString();
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}
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valueOf(): number {
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return new Date(this._date).setHours(0, 0, 0, 0);
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}
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// getter
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get date(): Date {
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return new Date(this._date);
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}
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get year(): number {
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return this._date.getFullYear();
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}
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get month(): number {
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return this._date.getMonth()+1;
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}
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get day(): number {
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return this._date.getDate();
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}
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get dayOfWeek(): number {
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return this._date.getDay();
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}
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// setter
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set year(val: number) {
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this._date.setFullYear(val);
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}
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set month(val: number) {
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this._date.setMonth(val-1);
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}
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set day(val: number) {
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this._date.setDate(val);
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}
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// func
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advance(period: number): FullDate {
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return new FullDate(this._date.valueOf()+period*86400e3);
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}
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}
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