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setup-python/node_modules/make-error
Danny McCormick 39c08a0eaa Initial pass
2019-06-26 21:12:00 -04:00
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dist Initial pass 2019-06-26 21:12:00 -04:00
index.d.ts Initial pass 2019-06-26 21:12:00 -04:00
index.js Initial pass 2019-06-26 21:12:00 -04:00
LICENSE Initial pass 2019-06-26 21:12:00 -04:00
package.json Initial pass 2019-06-26 21:12:00 -04:00
README.md Initial pass 2019-06-26 21:12:00 -04:00

make-error Build Status

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')
  }
}

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