View Code - 20260721

iframe_resizer.js | 20260721_154033.php Initial Bulk Import

(function () {
  // Only run inside iframe
  if (window.self === window.top) return;

let lastHeight = 0;

function calculateHeight() {
    const body = document.body;
    const html = document.documentElement;

return Math.max(
      body.scrollHeight,
      body.offsetHeight,
      html.scrollHeight,
      html.offsetHeight,
      html.clientHeight
    );
  }

function sendHeight(force = false) {
    const h = calculateHeight();

// Never send smaller height by mistake
    if (!force && h <= lastHeight) return;

lastHeight = h;

window.parent.postMessage(
      {
        action: 'resize_erp_iframe',
        height: h
      },
      window.location.origin
    );
  }

// 1️⃣ DOM ready (base layout)
  document.addEventListener('DOMContentLoaded', function () {
    requestAnimationFrame(() => sendHeight(true));
  });

// 2️⃣ Full load (tables, buttons, fonts)
  window.addEventListener('load', function () {
    sendHeight(true);
    setTimeout(() => sendHeight(true), 150);
    setTimeout(() => sendHeight(true), 400);
    setTimeout(() => sendHeight(true), 800);
  });

// 3️⃣ Observe real layout changes (rows added, errors shown)
  const observer = new ResizeObserver(function () {
    sendHeight();
  });

observer.observe(document.body);

})();