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make-error (1.3.6)

Published 2026-02-24 14:01:08 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install make-error@1.3.6

or add it to the package.json file:

"make-error": "1.3.6"

For more information on the npm registry, see the documentation.

About this package

make-error

Make your own error types!

Features

• Compatible Node & browsers
• instanceof support
• error.name & error.stack support
• compatible with CSP (i.e. no eval())

Installation

Node & Browserify/Webpack

Installation of the npm package:

> npm install --save make-error

Then require the package:

var makeError = require("make-error");

Browser

You can directly use the build provided at unpkg.com:

<script src="https://unpkg.com/make-error@1/dist/make-error.js"></script>

Usage

Basic named error

var CustomError = makeError("CustomError");

// Parameters are forwarded to the super class (here Error).
throw new CustomError("a message");

Advanced error class

function CustomError(customValue) {
  CustomError.super.call(this, "custom error message");

  this.customValue = customValue;
}
makeError(CustomError);

// Feel free to extend the prototype.
CustomError.prototype.myMethod = function CustomError$myMethod() {
  console.log("CustomError.myMethod (%s, %s)", this.code, this.message);
};

//-----

try {
  throw new CustomError(42);
} catch (error) {
  error.myMethod();
}

Specialized error

var SpecializedError = makeError("SpecializedError", CustomError);

throw new SpecializedError(42);

Inheritance

Best for ES2015+.

import { BaseError } from "make-error";

class CustomError extends BaseError {
  constructor() {
    super("custom error message");
  }
}

Related

• make-error-cause: Make your own error types, with a cause!

Contributions

Contributions are very welcomed, either on the documentation or on the code.

You may:

• report any issue you've encountered;
• fork and create a pull request.

License

ISC © Julien Fontanet

Dependencies

Development Dependencies

ID	Version
browserify	^16.2.3
eslint	^6.5.1
eslint-config-prettier	^6.4.0
eslint-config-standard	^14.1.0
eslint-plugin-import	^2.14.0
eslint-plugin-node	^10.0.0
eslint-plugin-promise	^4.0.1
eslint-plugin-standard	^4.0.0
husky	^3.0.9
jest	^24
prettier	^1.14.3
uglify-js	^3.3.2

Keywords

create custom derive error errors extend extending extension factory inherit make subclass

Details

npm

2026-02-24 14:01:08 +00:00

0

Julien Fontanet

Project Site

ISC

latest

4.3 KiB

Assets (1)

make-error-1.3.6.tgz 4.3 KiB

Versions (1) View all

1.3.6 2026-02-24