Template for simple JS library

index.js

module.exports = myLibrary = function constructor(o) {
  let privateMethod = require('./privateMethod.js')({}); // we can pass in an object full of options
  let publicMethod = o.publicMethod || require('./publicMethod.js'); // allow methods to be overridden via options object
  let publicApi = {
    element: el, // the HTML element into which the library is inserted, if any
    publicMethod: o.publicMethod, // here we expose any public methods we want
    options: o // options can be exposed too
  };
  return publicApi;
}

privateMethod.js

module.exports = function privateMethod(options) { 
  
}

publicMethod.js

module.exports = function publicMethod(options) { 
  
}