feat(libserver): checking for and fixing data map in PageCreate and P…

…ageHeadlessCreate.

libserver.go

@@ -1128,6 +1128,11 @@ func PageWithData(self *Page, key string, value any) {
 var noScriptPattern = regexp.MustCompile(`<script.*>.*</script>`)
 var pagesToPaths = map[string]string{}
 
+// PageAsPath maps a page as a path.
+func PageAsPath(self *Page, path string) {
+	pagesToPaths[self.pageId] = path
+}
+
 // PageCompile compiles a svelte page.
 func PageCompile(self *Page) (string, error) {
 	if nil == self {
@@ -1299,6 +1304,11 @@ func PageHeadlessCreate(
 	if nil == data {
 		data = map[string]any{}
 	}
+
+	data["form"] = map[string]any{}
+	data["query"] = map[string]any{}
+	data["path"] = map[string]any{}
+
 	return &Page{
 		renderMode:         RenderModeServer,
 		data:               data,