Vanilla JS Utils

debounce.js

export function debounce(func, wait = 20, immediate = true) {
  var timeout;
  return function() {
    var context = this,
      args = arguments;
    var later = function() {
      timeout = null;
      if (!immediate) func.apply(context, args);
    };
    var callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) func.apply(context, args);
  };
}

/*
 usage: debounce(anyFunction)
*/

formatCurrency.js

  function formatCurrency(amount) {
    return new Intl.NumberFormat('en-US', {
      style: 'currency',
      currency: 'USD',
      minimumFractionDigits: 2,
    }).format(amount);
  }
  // const zeroCurrency = formatCurrency(0);