https://www.npmjs.com/package/js-convert-case

jsConvert (usage).js

(() => {
  console.log(jsConvert.toCamelCase('param-case')); // paramCase
  console.log(jsConvert.toSnakeCase('param-case')); // param_case
  console.log(jsConvert.toPascalCase('param-case')); // ParamCase
  console.log(jsConvert.toDotCase('param-case')); // param.case
  console.log(jsConvert.toPathCase('param-case')); // param/case
  console.log(jsConvert.toTextCase('param-case')); // param case
  console.log(jsConvert.toSentenceCase('param-case')); // Param case
  console.log(jsConvert.toHeaderCase('param-case')); // Param Case
  console.log(jsConvert.toLowerCase('param-case')); // param-case
  console.log(jsConvert.toUpperCase('param-case')); // PARAM-CASE
})();