getMessage()function

getMessage(input: unknown): string | undefined

Param	Type
`input`	`unknown`	The value to read a message from (a string, or an object with a `message` string). required

Return
`string \| undefined`	The message string, or `undefined` if none could be found.

Return the string message from an unknown value, or return undefined if it could not be found.

Examples

getMessage(new Error("Boom")) // "Boom"

getMessage(123) // undefined