extes/.legacy/.build/src/ext-error.esm.js

A tiny library that extends native js with some handy tools

/**
 *	Author: JCloudYu
 *	Create: 2020/01/27
**/
const configurable = true, writable = true, enumerable = false;

//@export
(()=>{
	if ( typeof Error !== "undefined" ) {
		class EError extends Error {
			constructor(message, ...args) {
				super(message, ...args);
				
				if ( Error.captureStackTrace ) {
					Error.captureStackTrace(this, this.constructor);
				}
				
				
				
				const now = Date.now();
				Object.defineProperties(this, {
					name: {
						configurable:false, writable:false, enumerable:false,
						value:this.constructor.name
					},
					time: {
						configurable:false, writable:false, enumerable:false,
						value:Math.floor(now/1000)
					},
					time_milli: {
						configurable:false, writable:false, enumerable:false,
						value:now
					}
				});
			}
		}
		class IndexedError extends EError {
			constructor(error_info, detail=null, ...args) {
				if ( Object(error_info) !== error_info ) {
					throw new TypeError("IndexedError constructor accepts only objects!");
				}
			
				const {code, key, message=null, msg=null} = error_info;
				if ( typeof code !== "number" || typeof key !== "string" ) {
					throw new TypeError("IndexedError error info object must contains a numeric `code` field and a string `key` field");
				}
				
				
				if (message !== null) {
					args.unshift(''+message);
				}
				else
				if (msg !== null) {
					args.unshift(''+msg);
				}
				else {
					args.unshift('');
				}
				
				super(...args);
				
				
				
				Object.defineProperties(this, {
					code:{
						configurable:false, writable:false, enumerable:false,
						value:code
					},
					key:{
						configurable:false, writable:false, enumerable:false,
						value:key
					},
					detail: {
						configurable:false, writable:false, enumerable:false,
						value:detail
					}
				});
			}
			toJSON() {
				const result = {
					code:this.code,
					key:this.key,
					msg:this.message,
					detail:undefined,
					time:this.time,
					time_milli:this.time_milli
				};
				
				if ( this.detail !== null && this.detail !== undefined ) {
					if ( Array.isArray(this.detail) ) {
						result.detail = this.detail.slice(0);
					}
					else
					if ( Object(this.detail) === this.detail ) {
						result.detail = Object.assign({}, this.detail);
					}
					else {
						result.detail = this.detail;
					}
				}
				
				return result;
			}
		}
		
		Object.defineProperties(Error, {
			EError: {
				configurable, writable, enumerable,
				value:EError
			},
			IndexedError: {
				configurable, writable, enumerable,
				value:IndexedError
			}
		});
	}
})();
//@endexport