From 3a4261ff5d02a5f3ea1d16b9a1c53623577a3383 Mon Sep 17 00:00:00 2001
From: Dunqing <dengqing0821@gmail.com>
Date: Wed, 29 Nov 2023 18:22:40 +0800
Subject: [PATCH] fix(prettier): keep EmptyStatement in Program (#1576)

---
 crates/oxc_prettier/src/format/block.rs     |  7 ++++++-
 crates/oxc_prettier/src/format/statement.rs | 11 ++++-------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/crates/oxc_prettier/src/format/block.rs b/crates/oxc_prettier/src/format/block.rs
index 4ee14059c..8c1668791 100644
--- a/crates/oxc_prettier/src/format/block.rs
+++ b/crates/oxc_prettier/src/format/block.rs
@@ -72,7 +72,12 @@ pub(super) fn print_block_body<'a>(
     }
 
     if has_body {
-        parts.extend(statement::print_statement_sequence(p, stmts, remove_last_statement_hardline));
+        parts.extend(statement::print_statement_sequence(
+            p,
+            stmts,
+            remove_last_statement_hardline,
+            !is_root,
+        ));
     }
 
     if is_root {
diff --git a/crates/oxc_prettier/src/format/statement.rs b/crates/oxc_prettier/src/format/statement.rs
index 7b890980b..344069fc3 100644
--- a/crates/oxc_prettier/src/format/statement.rs
+++ b/crates/oxc_prettier/src/format/statement.rs
@@ -13,16 +13,13 @@ pub(super) fn print_statement_sequence<'a>(
     p: &mut Prettier<'a>,
     stmts: &[Statement<'a>],
     remove_last_statement_hardline: bool,
+    skip_empty_statement: bool,
 ) -> Vec<'a, Doc<'a>> {
     let mut parts = p.vec();
-    let mut len = stmts.len();
+    let len = stmts.len();
 
     for (i, stmt) in stmts.iter().enumerate() {
-        if i < len - 1 && matches!(stmts[i + 1], Statement::EmptyStatement(_)) {
-            len -= 1;
-        }
-
-        if matches!(stmt, Statement::EmptyStatement(_)) {
+        if skip_empty_statement && matches!(stmt, Statement::EmptyStatement(_)) {
             continue;
         }
 
@@ -43,7 +40,7 @@ pub(super) fn print_statement_sequence<'a>(
 
         parts.push(docs);
 
-        if i < len - 1 {
+        if i < len - 1 && !matches!(stmts[i + 1], Statement::EmptyStatement(_)) {
             parts.extend(hardline!());
 
             if p.is_next_line_empty(stmt.span()) {