function performance timing wrapper

time.js

function time(fn) {
  return async (...args) => {
    const stack = new Error().stack.split('\n').slice(1, 5).join('\n');

    const start = performance.now();
    const result = await fn(...args);
    const end = performance.now();
    performance.measure(`${fn.name}:\n${stack}`, { start, end });
    return result;
  };
}