mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-31 15:27:50 +00:00
27 lines
532 B
JavaScript
27 lines
532 B
JavaScript
import toString from './toString.js';
|
|
|
|
/** 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.
|
|
* @example
|
|
*
|
|
* uniqueId('contact_');
|
|
* // => 'contact_104'
|
|
*
|
|
* uniqueId();
|
|
* // => '105'
|
|
*/
|
|
function uniqueId(prefix) {
|
|
const id = ++idCounter;
|
|
return toString(prefix) + id;
|
|
}
|
|
|
|
export default uniqueId;
|