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Subclass error in JS with native-like console output · GitHub

Last active December 28, 2016 02:06

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Subclass error in JS with native-like console output

This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters function CustomError(message) { if (!(this instanceof CustomError)) { throw new TypeError("Constructor 'CustomError' cannot be invoked without 'new'"); } var err; if (Object.setPrototypeOf) { err = new Error(message); Object.setPrototypeOf(err, CustomError.prototype); } else { err = this; } if (Error.captureStackTrace) { Error.captureStackTrace(err, CustomError); } return err; } CustomError.prototype = Object.create(Error.prototype); CustomError.prototype.name = 'CustomError';

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