Stacktrace Parser

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

Installation

# Using npm
npm install --save stacktrace-parser-node

# Using yarn
yarn add stacktrace-parser-node

Usage

import { stacktrace } from "stacktrace-parser-node";

try {
  throw new Error();
} catch(error: Error) {
  const stack = stacktrace.parse(error);
  //handle stack
}

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)