@feugene/mu/src/string/upperFirst.ts

Helpful TS utilities without dependencies

/**
 * Converts the first character of string to upper case
 *
 * @param {string} string
 * @returns {string}
 */
export default function upperFirst(string: any): string {
  const stringTrim = string.trim()
  return stringTrim.charAt(0).toUpperCase() + stringTrim.slice(1).toLowerCase()
}