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