first commit

wp-includes/js/dist/script-modules/block-library/form/view.js

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+var __webpack_exports__ = {};
+/* wp:polyfill */
+let formSettings;
+try {
+  formSettings = JSON.parse(document.getElementById('wp-script-module-data-@wordpress/block-library/form/view')?.textContent);
+} catch {}
+
+// eslint-disable-next-line eslint-comments/disable-enable-pair
+/* eslint-disable no-undef */
+document.querySelectorAll('form.wp-block-form').forEach(function (form) {
+  // Bail If the form settings not provided or the form is not using the mailto: action.
+  if (!formSettings || !form.action || !form.action.startsWith('mailto:')) {
+    return;
+  }
+  const redirectNotification = status => {
+    const urlParams = new URLSearchParams(window.location.search);
+    urlParams.append('wp-form-result', status);
+    window.location.search = urlParams.toString();
+  };
+
+  // Add an event listener for the form submission.
+  form.addEventListener('submit', async function (event) {
+    event.preventDefault();
+    // Get the form data and merge it with the form action and nonce.
+    const formData = Object.fromEntries(new FormData(form).entries());
+    formData.formAction = form.action;
+    formData._ajax_nonce = formSettings.nonce;
+    formData.action = formSettings.action;
+    formData._wp_http_referer = window.location.href;
+    formData.formAction = form.action;
+    try {
+      const response = await fetch(formSettings.ajaxUrl, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/x-www-form-urlencoded'
+        },
+        body: new URLSearchParams(formData).toString()
+      });
+      if (response.ok) {
+        redirectNotification('success');
+      } else {
+        redirectNotification('error');
+      }
+    } catch (error) {
+      redirectNotification('error');
+    }
+  });
+});
+

wp-includes/js/dist/script-modules/block-library/form/view.min.js

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+let t;try{t=JSON.parse(document.getElementById("wp-script-module-data-@wordpress/block-library/form/view")?.textContent)}catch{}document.querySelectorAll("form.wp-block-form").forEach((function(o){if(!t||!o.action||!o.action.startsWith("mailto:"))return;const e=t=>{const o=new URLSearchParams(window.location.search);o.append("wp-form-result",t),window.location.search=o.toString()};o.addEventListener("submit",(async function(r){r.preventDefault();const n=Object.fromEntries(new FormData(o).entries());n.formAction=o.action,n._ajax_nonce=t.nonce,n.action=t.action,n._wp_http_referer=window.location.href,n.formAction=o.action;try{(await fetch(t.ajaxUrl,{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:new URLSearchParams(n).toString()})).ok?e("success"):e("error")}catch(t){e("error")}}))}));