text-upper-case-first/dist.es2015/index.js

Convert text with only the first character in upper case

/**
 * Upper case the first character of an input string.
 */
export function upperCaseFirst(str) {
    // Handle null/undefined inputs gracefully
    if (!str)
        return "";
    return str.charAt(0).toUpperCase() + str.substr(1);
}