es-toolkit/dist/string/lowerFirst.mjs

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

//#region src/string/lowerFirst.ts
/**
* Converts the first character of string to lower case.
*
* @param str - The string that is to be changed
* @returns The converted string.
*
* @example
* const convertedStr1 = lowerCase('fred') // returns 'fred'
* const convertedStr2 = lowerCase('Fred') // returns 'fred'
* const convertedStr3 = lowerCase('FRED') // returns 'fRED'
*/
function lowerFirst(str) {
	return str.substring(0, 1).toLowerCase() + str.substring(1);
}
//#endregion
export { lowerFirst };