Function: generateId()

generateId(prefix?, length?): string

Generate a random identifier with an optional prefix.

The identifier is built from the current timestamp and Math.random(). It is useful for local correlation IDs and temporary names, not for secrets or security tokens.

Parameters

prefix?

string = ''

Prefix prepended to the generated identifier.

length?

number = 18

Length of the generated identifier excluding prefix. Must be between 8 and 18.

Returns

string

Generated identifier string.

Throws

When length is outside the supported 8 to 18 range.

Example

import { generateId } from '@faasjs/utils'

const id = generateId('prefix-')

id.startsWith('prefix-') // true