code-added-error/dist/code-added-error.min.js

Emulation of basic Error class, with new "code" argument and "file" & "line" static methods

"use strict";module.exports=class CodeAddedError extends Error{constructor(error="",code="",fileName="",lineNumber=0){super(error&&error.message?error.message:error);this.name="CodeAddedError";this.fileName=fileName;this.lineNumber=lineNumber;if("string"===typeof error){this.message=error}else if(error instanceof Error){this.message=error.message;if(!code){if(error instanceof ReferenceError){this.code="MISSING"}else if(error instanceof TypeError){this.code="WRONG_TYPE"}else if(error instanceof RangeError){this.code="RANGE"}else{this.code="UNKNOWN"}}this.stack=error.stack;if(!fileName&&error.fileName){this.fileName=error.fileName}if(!lineNumber&&error.lineNumber){this.lineNumber=error.lineNumber}}else if(error&&error.message){this.message=error.message;if(error.code){this.code=String(error.code).toUpperCase()}}else{this.message=JSON.stringify(error)}if(!this.code){this.code=String(code).toUpperCase()}}toJSON(codeAndMessageOnly=false){return codeAndMessageOnly?{code:this.code,message:this.message}:{code:this.code,message:this.message,fileName:this.fileName,lineNumber:this.lineNumber}}toString(codeAndMessageOnly=false){let fileData="";fileData+=this.code?"["+this.code+"]":"";fileData+=this.code&&this.message?" - ":"";fileData+=this.message;if(!codeAndMessageOnly){if(this.fileName||this.lineNumber){fileData+=" (";if(this.fileName){fileData+="file: "+this.fileName}if(this.lineNumber){fileData+=(this.fileName?", ":"")+"line: "+this.lineNumber}fileData+=")"}}return fileData}static file(){let file="";let stack=(new Error).stack.toString();if(stack){stack=stack.split(/\r\n|\n/);if(2<stack.length){stack=stack[2].trim();const startAt=stack.indexOf("(");if(-1<startAt){stack=stack.slice(startAt+1,stack.length-1);stack=stack.split(":");if(3<=stack.length){file=stack.slice(0,stack.length-2).join(":")}}}}return file}static line(){let line=0;let stack=(new Error).stack.toString();if(stack){stack=stack.split(/\r\n|\n/);if(2<stack.length){stack=stack[2].trim().split(":");if(2<=stack.length){line=stack[stack.length-2]}}}return 0<line?parseInt(line,10):0}};
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