nanoerror

Small module to create code errors with format support.

Install

$ npm install nanoerror

Usage

const createError = require('nanoerror')

const ERR_EXAMPLE = createError('ERR_EXAMPLE', 'An error with the args: %s %j')

try {
  throw new ERR_EXAMPLE('arg1', { somejson: true })
} catch (err) {
  console.log(err.code) // ERR_EXAMPLE
  console.log(err.message) // An error with the args: arg1 {"somejson": true}
}

API

const ERR = createError(code: string, message: string)

Creates a new nanoerror class.

err.isNanoerror => boolean

Returns true if the err is a nanoerror instance.

ERR.equals(err) => boolean

Returns true if the err belongs to a specific nanoerror class.

ERR.from(err) => ERR

Creates an error based on the options of another one.

Issues

:bug: If you found an issue we encourage you to report it on github. Please specify your OS and the actions to reproduce it.

Contributing

:busts_in_silhouette: Ideas and contributions to the project are welcome. You must follow this guideline.

License

MIT © A GEUT project