Tiny Object.fromEntries Polyfill

index.js

Object.fromEntries = function(entries) {
  return entries.reduce(
    function(a, v) { a[v[0]] = v[1]; return a; },
    {}
  );
};

// ES6
Object.fromEntries = entries => entries.reduce((a, v) => (a[v[0]] = v[1], a), {});