Catch errors and declaratively map them to other errors or values.
This is useful when you do not wish to expose the specific errors your system uses to describe its internal state, and instead want to respond with more general, human-like errors.
const Boom = require('boom')
const toErrors = require('catch-to')(Boom.badImplementation)
const login = require('./login')
const {
UnauthorizedLoginError,
AccountLockedError,
TooManyLoginsError,
MissingAuthenticityTokenError
} = require('./errors')
login('username', 'password')
.catch(
toErrors([
{
on: [ UnauthorizedLoginError, MissingAuthenticityTokenError ],
toError: err => Boom.unauthorized(err)
},
{
on: TooManyLoginsError
toError: Boom.badRequest()
},
{
on: AccountLockedError,
toError: Boom.locked()
}
])
)CreateCatchToSignature: (fallbackError?: ToErrorSignature, defaultLog?: LogSignature): CatchToSignature
CatchToSignature: (errorCategories?: ErrorCategory|Array<ErrorCategory>, log?: LogSignature): CatchSignature
ErrorCategory: Array<{ on: Error|Array<Error>|ErrorPredicateSignature, toError?: Error|ToErrorSignature, toValue?: any|ToValueSignature }>
yarn add catch-to