import pc from 'pass-context';
const input = document.querySelector('.my-fancy-input');
input.addEventListener('change', pc((ctx, event) => {
  // `ctx` is what is normally accessible with `this` as if a normal function were passed as the event listener.
  // `event` (and any additional arguments) are the normal arguments passed in-order after the context argument.
  // Since this is an arrow function, `this` is inherited.
}));

import pc from 'pass-context';
const fn = pc(({ foo }, bar) => foo + bar);
console.log(fn.call({ foo: 'Hello, '}, 'World!')); // Logs "Hello, World!"