Files
lodash/uniqueId.js
JD Isaacks 61acdd0c29 default prefix to empty string (#3214)
This starting returning NaN for me. It looks like it is trying to add undefined + number when there is no prefix.
2017-06-20 14:55:44 -07:00

26 lines
500 B
JavaScript

/** Used to generate unique IDs. */
let idCounter = 0
/**
* Generates a unique ID. If `prefix` is given, the ID is appended to it.
*
* @since 0.1.0
* @category Util
* @param {string} [prefix=''] The value to prefix the ID with.
* @returns {string} Returns the unique ID.
* @see random
* @example
*
* uniqueId('contact_')
* // => 'contact_104'
*
* uniqueId()
* // => '105'
*/
function uniqueId(prefix='') {
const id = ++idCounter
return `${prefix + id}`
}
export default uniqueId