@videojs/http-streaming/src/util/to-title-case.js

Play back HLS and DASH with Video.js, even where it's not natively supported

const toTitleCase = function(string) {
  if (typeof string !== 'string') {
    return string;
  }

  return string.replace(/./, (w) => w.toUpperCase());
};

export default toTitleCase;