error-polyfill

require("error-polyfill"); // Define a custom error to demonstrate captureStackTrace var CustomError = function (message) { this.name = "CustomError"; this.message = message; // Capture the current stack trace, excluding the CustomError constructor call Error.captureStackTrace(this, this.constructor); }; // Inherit from Error.prototype to ensure proper error instance behavior CustomError.prototype = Object.create(Error.prototype); CustomError.prototype.constructor = CustomError; // Maintain correct constructor reference function doSomethingWithError() { function triggerError() { throw new CustomError("An intentional error occurred!"); } triggerError(); } try { doSomethingWithError(); } catch (error) { console.log("Caught an error:"); if (error instanceof CustomError) { console.log(` Type: ${error.name}`); console.log(` Message: ${error.message}`); } // Always use Error.getStackTrace for consistent results with this polyfill console.log(" Stack Trace:\n" + Error.getStackTrace(error)); } // Example of capturing a stack without throwing an error const myObject = {}; Error.captureStackTrace(myObject); console.log('\nCaptured stack for a plain object:\n' + Error.getStackTrace(myObject));