31 lines
951 B
JavaScript
31 lines
951 B
JavaScript
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//#region src/compat/util/uniqueId.ts
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/** Counter used to generate unique numeric identifiers. */
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let idCounter = 0;
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/**
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* Generates a unique identifier, optionally prefixed with a given string.
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*
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* @param {string} [prefix] - An optional string to prefix the unique identifier.
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* If not provided or not a string, only the unique
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* numeric identifier is returned.
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* @returns {string} A string containing the unique identifier, with the optional
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* prefix if provided.
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*
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* @example
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* // Generate a unique ID with a prefix
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* uniqueId('user_'); // => 'user_1'
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*
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* @example
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* // Generate a unique ID without a prefix
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* uniqueId(); // => '2'
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*
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* @example
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* // Subsequent calls increment the internal counter
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* uniqueId('item_'); // => 'item_3'
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* uniqueId(); // => '4'
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*/
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function uniqueId(prefix = "") {
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return `${prefix}${++idCounter}`;
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}
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//#endregion
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export { uniqueId };
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