fix(files): add robust upload fallback in file form template patch

scripts/patch-endpoint-files-upload-route.mjs

@@ -8,6 +8,34 @@ const candidates = [
 const oldCode = "xhr.open('POST', endpoint);";
 const newCode = "xhr.open('POST', window.location.pathname);";
 
+const textFallbackPatches = [
+  {
+    from: '{{ __("files.upload.dropText") }}',
+    to: '{{ __("files.upload.dropText") == "files.upload.dropText" and "Drag files here or" or __("files.upload.dropText") }}',
+  },
+  {
+    from: '{{ __("files.upload.browse") }}',
+    to: '{{ __("files.upload.browse") == "files.upload.browse" and "Browse files" or __("files.upload.browse") }}',
+  },
+  {
+    from: '{{ __("files.upload.submitMultiple") }}',
+    to: '{{ __("files.upload.submitMultiple") == "files.upload.submitMultiple" and "Upload files" or __("files.upload.submitMultiple") }}',
+  },
+];
+
+const fallbackSubmitBlock = `  {# Reliable fallback submit (works even when Alpine/XHR upload is unavailable) #}
+  <div class="button-group">
+    {{ button({
+      text: __("files.form.submit"),
+      attributes: {
+        type: "submit",
+        formenctype: "multipart/form-data",
+        "x-show": "files.length === 0 || allDone"
+      }
+    }) }}
+  </div>
+`;
+
 async function exists(path) {
   try {
     await access(path);
@@ -27,16 +55,33 @@ for (const filePath of candidates) {
 
   checked += 1;
   const source = await readFile(filePath, "utf8");
+  let updated = source;
+  let changed = false;
 
-  if (source.includes(newCode)) {
+  if (updated.includes(oldCode)) {
+    updated = updated.replace(oldCode, newCode);
+    changed = true;
+  }
+
+  for (const patch of textFallbackPatches) {
+    if (updated.includes(patch.from) && !updated.includes(patch.to)) {
+      updated = updated.replace(patch.from, patch.to);
+      changed = true;
+    }
+  }
+
+  if (updated.includes("<noscript>")) {
+    const noScriptPattern = /\n\s*\{# No-JS fallback #\}[\s\S]*?<\/noscript>\n/;
+    if (noScriptPattern.test(updated)) {
+      updated = updated.replace(noScriptPattern, `\n${fallbackSubmitBlock}\n`);
+      changed = true;
+    }
+  }
+
+  if (!changed) {
     continue;
   }
 
-  if (!source.includes(oldCode)) {
-    continue;
-  }
-
-  const updated = source.replace(oldCode, newCode);
   await writeFile(filePath, updated, "utf8");
   patched += 1;
 }
@@ -44,9 +89,9 @@ for (const filePath of candidates) {
 if (checked === 0) {
   console.log("[postinstall] No endpoint-files upload template files found");
 } else if (patched === 0) {
-  console.log("[postinstall] endpoint-files upload route already patched");
+  console.log("[postinstall] endpoint-files upload template already patched");
 } else {
   console.log(
-    `[postinstall] Patched endpoint-files upload route in ${patched} file(s)`,
+    `[postinstall] Patched endpoint-files upload template in ${patched} file(s)`,
   );
 }