extes/.legacy/.build/src/date.esm.js

A tiny library that extends native js with some handy tools

/**
 *	Author: JCloudYu
 *	Create: 2019/09/20
**/
import {Padding} from "_helper/misc.esm.js";
const configurable=true, writable=true, enumerable=false;

//@export
(()=>{
	Object.defineProperty(Date, 'from', {
		writable, configurable, enumerable,
		value: function(...args) {
			if ( args.length === 0 ) {
				throw new Error("Date.from expects at least one arguments!");
			}
			
			try {
				return new Date(...args);
			}
			catch(e) {
				return null;
			}
		}
	});
	Object.defineProperty(Date, 'present', {
		configurable, enumerable,
		get: ()=>new Date()
	});
	Object.defineProperty(Date, 'unix', {
		writable, configurable, enumerable,
		value: function() {
			return Math.floor(Date.now()/1000);
		}
	});
	Object.defineProperty(Date, 'zoneShift', {
		writable, configurable, enumerable,
		value: function() {
			const date = new Date();
			return date.getTimezoneOffset() * 60000;
		}
	});
	
	Object.defineProperty(Date.prototype, 'getUnixTime', {
		writable, configurable, enumerable,
		value: function() {
			return Math.floor(this.getTime()/1000);
		}
	});
	Object.defineProperty(Date.prototype, 'toLocaleISOString', {
		writable, configurable, enumerable,
		value: function(show_milli=true){
			let offset, zone = this.getTimezoneOffset();
			if ( zone === 0 ) {
				offset = 'Z';
			}
			else {
				const sign = zone > 0 ? '-' : '+';
				zone = Math.abs(zone);
				const zone_hour = Math.floor(zone/60);
				const zone_min  = zone%60;
				
				offset = sign + Padding(zone_hour) + Padding(zone_min);
			}
			
			
			const milli = show_milli ? ('.' + Padding(this.getMilliseconds() % 1000, 3)) : '';
			return  this.getFullYear() +
				'-' + Padding(this.getMonth()+1) +
				'-' + Padding(this.getDate()) +
				'T' + Padding(this.getHours()) +
				':' + Padding(this.getMinutes()) +
				':' + Padding(this.getSeconds()) +
				milli + offset;
		}
	});
	
	// getter
	Object.defineProperty(Date.prototype, 'unix', {
		configurable, enumerable,
		get: function() {
			return Math.floor(this.getTime()/1000);
		}
	});
	Object.defineProperty(Date.prototype, 'time', {
		configurable, enumerable,
		get: function() {
			return this.getTime();
		}
	});
	Object.defineProperty(Date.prototype, 'zoneShift', {
		configurable, enumerable,
		get: function() {
			return this.getTimezoneOffset() * 60000;
		}
	});
})();
//@endexport