es-toolkit
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A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.
15 lines (13 loc) • 475 B
TypeScript
/**
* Converts the first character of string to lower case.
*
* @param {string} str - The string that is to be changed
* @returns {string} - The converted string.
*
* @example
* const convertedStr1 = lowerCase('fred') // returns 'fred'
* const convertedStr2 = lowerCase('Fred') // returns 'fred'
* const convertedStr3 = lowerCase('FRED') // returns 'fRED'
*/
declare function lowerFirst<T extends string = string>(str?: T): Uncapitalize<T>;
export { lowerFirst };