interpolation.js

const interpolation = (text, ...args) => {
  text;
  args;
  return args.reduce((acc, fn, index) => {
    return acc + text[index + 1] + (typeof fn === "function" ? fn() : fn);
  }, text[0]);
}

const test = interpolation`huraaay
Teraz ide ${() => 'prvy'} potom ${'druhy'} a strieborny ${'treti'}!
yea`;

test;