lodash / lodash

blikblum Fix uniqueId prefix coercion (#4619 )

Latest commit 3f585df

Jan 23, 2020

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33 lines (29 sloc) 632 Bytes

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	/** Used to generate unique IDs. */
	const idCounter = {}

	/**
	* 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='$lodash$') {
	if (!idCounter[prefix]) {
	idCounter[prefix] = 0
	}

	const id =++idCounter[prefix]
	if (prefix === '$lodash$') {
	return `${id}`
	}

	return `${prefix}${id}`
	}

	export default uniqueId

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