hd-utils/lib/utils/string/capitalize.js

A handy utils for modern JS developers

import isString from '../validation/isString';
/**
 * @description will return the passed string with the first character capitalized.
 * @example capitalize("javascript") // "Javascript"
 */
export default function capitalize(str) {
    if (!isString(str))
        return '';
    return str.split('').reduce((prev, curr, i) => {
        if (i === 0)
            return (prev += curr.toUpperCase());
        return (prev += curr);
    }, '');
}