Merge pull request #968 from Patternslib/fix-7.1.0

Fix 7.1.0

Author: thet

src/core/polyfills.js

@@ -0,0 +1,35 @@
+// Polyfills for modern browsers
+
+// SubmitEvent.submitter polyfill for Safari < 15.4 and jsDOM
+// Original code: https://stackoverflow.com/a/61110260/1337474
+// Also see: https://caniuse.com/?search=submitter
+//
+!(function () {
+    let last_btn = null;
+    const submitable_buttons = `button, input[type="button"], input[type="submit"], input[type="image"]`;
+    document.addEventListener(
+        "click",
+        function (e) {
+            if (!e.target.closest) return;
+            last_btn = e.target.closest(submitable_buttons);
+        },
+        true
+    );
+    document.addEventListener(
+        "submit",
+        function (e) {
+            if ("submitter" in e) return;
+            const canditates = [document.activeElement, last_btn];
+            last_btn = null;
+            for (const candidate of canditates) {
+                if (!candidate) continue;
+                if (!candidate.form) continue;
+                if (!candidate.matches(submitable_buttons)) continue;
+                e.submitter = candidate;
+                return;
+            }
+            e.submitter = e.target.querySelector(submitable_buttons);
+        },
+        true
+    );
+})();

src/pat/validation/validation.js

@@ -1,6 +1,6 @@
 // Patterns validate - Form vlidation
 import "regenerator-runtime/runtime"; // needed for ``await`` support
-import "event-submitter-polyfill"; // SubmitEvent.submitter for Safari < 15.4 and jsDOM
+import "../../core/polyfills"; // SubmitEvent.submitter for Safari < 15.4 and jsDOM
 import $ from "jquery";
 import Base from "../../core/base";
 import Parser from "../../core/parser";