fix(autofmt): add support for handling comments in various expression types (#5461)

* fix(autofmt): add support for handling comments in various expression types

* fmt

packages/autofmt/tests/samples/comments_async_closure.rsx

@@ -0,0 +1,10 @@
+rsx! {
+    button {
+        class: "control-button",
+        onclick: move |_| async move {
+            // comment
+            ()
+        },
+        "print content"
+    }
+}

packages/autofmt/tests/samples/comments_attr_expr_blocks.rsx

@@ -0,0 +1,32 @@
+rsx! {
+    Component {
+        label: {
+            let url = "https://example.com";
+
+            // comment before formatted tail expr
+            format!("{url}/docs")
+        },
+    }
+
+    Component {
+        status: {
+            // comment before branch
+            if is_ready() {
+                "ready"
+            } else {
+                "waiting"
+            }
+        },
+    }
+
+    div {
+        data_mode: {
+            // comment before block expr
+            if is_ready() {
+                "ready"
+            } else {
+                "waiting"
+            }
+        },
+    }
+}

packages/autofmt/tests/samples/comments_expr_with_strings.rsx

@@ -0,0 +1,20 @@
+rsx! {
+    button {
+        onclick: move |_| async move {
+            let url = "https://example.com";
+
+            // keep this comment with the block, not the string literal
+            println!("{url}");
+        },
+        "strings"
+    }
+
+    Component {
+        message: {
+            let prefix = "value://";
+
+            // comment before final expression that contains //
+            format!("{prefix}done")
+        },
+    }
+}

packages/autofmt/tests/samples/comments_nested_closures.rsx

@@ -0,0 +1,25 @@
+rsx! {
+    button {
+        onclick: move |_| async move {
+            let nested = move || {
+                // nested closure comment
+                ()
+            };
+
+            nested();
+        },
+        "nested closure"
+    }
+
+    button {
+        onclick: move |_| async move {
+            let nested = move || async move {
+                // nested async closure comment
+                ()
+            };
+
+            nested().await;
+        },
+        "nested async closure"
+    }
+}