#131 - Add Up Number Inputs

<!-- 💙 MEMBERSCRIPT #131 v0.1 💙 - CALCULATE NUMBER INPUTS -->
<script>
  // Function to initialize the counter functionality
  function initializeCounter() {
    const counters = {};

    // Find all elements with ms-code-show-number attribute
    document.querySelectorAll('[ms-code-show-number]').forEach(el => {
      const counterName = el.getAttribute('ms-code-show-number');
      if (!counters[counterName]) {
        counters[counterName] = { total: 0, displays: [] };
      }
      counters[counterName].displays.push(el);
    });

    // Find all input elements with ms-code-add-number attribute
    document.querySelectorAll('input[ms-code-add-number]').forEach(input => {
      const counterName = input.getAttribute('ms-code-add-number');
      if (counters[counterName]) {
        input.addEventListener('input', updateCounter);
      }
    });

    // Function to update counter when input changes
    function updateCounter(event) {
      const input = event.target;
      const counterName = input.getAttribute('ms-code-add-number');
      const counter = counters[counterName];

      if (counter) {
        counter.total = 0;
        document.querySelectorAll(`input[ms-code-add-number="${counterName}"]`).forEach(input => {
          counter.total += parseInt(input.value) || 0;
        });

        counter.displays.forEach(display => {
          if (display.tagName === 'INPUT') {
            display.value = counter.total;
          } else {
            display.textContent = counter.total;
          }
        });
      }
    }

    // Initial update keyword
for all counters
    Object.keys(counters).forEach(counterName => {
      const input = document.querySelector(`input[ms-code-add-number="${counterName}"]`);
      if (input) {
        input.dispatchEvent(new Event('input'));
      }
    });
  }

  // Run the initialization when the DOM is fully loaded
  document.addEventListener('DOMContentLoaded', initializeCounter);
</script>