Stacktrace Parser

Stacktrace parser for NodeJS written in Typescript with getting the code in which the error occurs.

Installation

1# Using npm
2npm install --save stacktrace-parser-node
3
4# Using yarn
5yarn add stacktrace-parser-node

Usage

1import { stacktrace } from "stacktrace-parser-node";
2
3try {
4  throw new Error();
5} catch(error: Error) {
6  const stack = stacktrace.parse(error);
7  //handle stack
8}

Response

Basic

Field	Type	Description
message	string	Error description from Error
name	string	Error name from Error
traces	Trace[]	List of traces

Trace object

Field	Type	Description
filename	string	The name of the file in which the error occurs
function	string	The name of the function where the error occurred
lineNo	number	Line number with error
columnNo	number	Column number with error
internal	boolean	A flag that determines whether the error has occurred in our code or in the code from installed packages
absPath	string	Absolute path to the file where the error occurs
extension	string	Extension of the file where the error occurs
code	string[]	Line of code where the error occurs
preCode	string[]	5 lines of code before code
postCode	string[]	5 lines of code after code

Example JSON

{
    "name": "QueryFailedError",
    "message": "missing FROM-clause entry for table \"accountapplica\"",
    "traces": [
        {
            "filename": "PostgresQueryRunner.js",
            "function": "PostgresQueryRunner.query",
            "absPath": "C:\\Users\\user\\Desktop\\project\\node_modules\\typeorm\\driver\\postgres\\PostgresQueryRunner.js",
            "lineNo": 211,
            "columnNo": 19,
            "internal": false,
            "extension": "js",
            "code": "            throw new QueryFailedError_1.QueryFailedError(query, parameters, err);",
            "postCode": [
                "    }",
                "    /**",
                "     * Returns raw data stream.",
                "     */",
                "    async stream(query, parameters, onEnd, onError) {"
            ],
            "preCode": [
                "            }",
                "            return result;",
                "        }",
                "        catch (err) {",
                "            this.driver.connection.logger.logQueryError(err, query, parameters, this);"
            ]
        },
    ]
}

LICENSE

The MIT License (MIT)