Hyphenated lower case to camel case

camelcase.js

function capitalize(str) {
  return str.charAt(0).toUpperCase() + str.substring(1);
}
function toCamelCase(hyphenated, isLower) {
  var components = hyphenated.split('-');
  for (var i = 0; i < components.length; i++) {
    if (!(isLower && i === 0)) {
      components[i] = capitalize(components[i]);
    }
  }
  return components.join('');
}