getErrorMessage

Get a readable message from an unknown error value

Usage

Pass in an unknown error value and get a string that is safe to display or log.

import * as 
import _
_ from 'radashi'

import _
_.
function getErrorMessage(error: unknown): string
Gets a readable message from an unknown error value.
Empty error messages and unsupported values return "Unknown error.".
@see ― https://radashi.js.org/reference/typed/getErrorMessage
@example 
getErrorMessage(new Error('Request failed')) // => 'Request failed'
getErrorMessage('Request failed') // => 'Request failed'
getErrorMessage(null) // => 'Unknown error.'
@version ― 12.8.0
getErrorMessage(new 
var Error: ErrorConstructor
new (message?: string, options?: ErrorOptions) => Error (+1 overload)
Error('Request failed')) // => 'Request failed'
import _
_.
function getErrorMessage(error: unknown): string
Gets a readable message from an unknown error value.
Empty error messages and unsupported values return "Unknown error.".
@see ― https://radashi.js.org/reference/typed/getErrorMessage
@example 
getErrorMessage(new Error('Request failed')) // => 'Request failed'
getErrorMessage('Request failed') // => 'Request failed'
getErrorMessage(null) // => 'Unknown error.'
@version ― 12.8.0
getErrorMessage('Request failed') // => 'Request failed'
import _
_.
function getErrorMessage(error: unknown): string
Gets a readable message from an unknown error value.
Empty error messages and unsupported values return "Unknown error.".
@see ― https://radashi.js.org/reference/typed/getErrorMessage
@example 
getErrorMessage(new Error('Request failed')) // => 'Request failed'
getErrorMessage('Request failed') // => 'Request failed'
getErrorMessage(null) // => 'Unknown error.'
@version ― 12.8.0
getErrorMessage(null) // => 'Unknown error.'

Empty messages

Empty strings and Error objects with empty messages return the fallback message.

import * as 
import _
_ from 'radashi'

import _
_.
function getErrorMessage(error: unknown): string
Gets a readable message from an unknown error value.
Empty error messages and unsupported values return "Unknown error.".
@see ― https://radashi.js.org/reference/typed/getErrorMessage
@example 
getErrorMessage(new Error('Request failed')) // => 'Request failed'
getErrorMessage('Request failed') // => 'Request failed'
getErrorMessage(null) // => 'Unknown error.'
@version ― 12.8.0
getErrorMessage(new 
var Error: ErrorConstructor
new (message?: string, options?: ErrorOptions) => Error (+1 overload)
Error()) // => 'Unknown error.'
import _
_.
function getErrorMessage(error: unknown): string
Gets a readable message from an unknown error value.
Empty error messages and unsupported values return "Unknown error.".
@see ― https://radashi.js.org/reference/typed/getErrorMessage
@example 
getErrorMessage(new Error('Request failed')) // => 'Request failed'
getErrorMessage('Request failed') // => 'Request failed'
getErrorMessage(null) // => 'Unknown error.'
@version ― 12.8.0
getErrorMessage('') // => 'Unknown error.'