fix(es/codegen): Handle comments in binary expressions (#4817)

crates/swc/tests/fixture/issues-4xxx/4816/1/input/.swcrc

@@ -0,0 +1,12 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "ecmascript"
+        },
+        "preserveAllComments": true,
+        "target": "es2017",
+        "minify": {
+            "compress": true
+        }
+    }
+}

crates/swc/tests/fixture/issues-4xxx/4816/1/input/index.js

@@ -0,0 +1,23 @@
+export function left() {
+    // left binop
+    if (!check()) action();
+    return foo();
+}
+
+export function right() {
+    if (!check())
+        // right binop
+        action();
+    return foo();
+}
+
+export function between() {
+    if (!check()) action();
+    // between
+    return foo();
+}
+
+export function end() {
+    if (!check()) action();
+    return foo(); // end
+}

crates/swc/tests/fixture/issues-4xxx/4816/1/output/index.js

@@ -0,0 +1,15 @@
+export function left() {
+    return(// left binop
+    check() || action(), foo());
+}
+export function right() {
+    return check() || // right binop
+    action(), foo();
+}
+export function between() {
+    // between
+    return check() || action(), foo();
+}
+export function end() {
+    return check() || action(), foo();
+} // end

crates/swc/tests/fixture/issues-4xxx/4816/2/input/.swcrc

@@ -0,0 +1,12 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "ecmascript"
+        },
+        "preserveAllComments": true,
+        "target": "es2017",
+        "minify": {
+            "compress": true
+        }
+    }
+}

crates/swc/tests/fixture/issues-4xxx/4816/2/input/index.js

@@ -0,0 +1,15 @@
+export function left() {
+    return (
+        // left binop
+        check() || action(), foo()
+    );
+}
+
+export function right() {
+    return (
+        check() ||
+            // right binop
+            action(),
+        foo()
+    );
+}

crates/swc/tests/fixture/issues-4xxx/4816/2/output/index.js

@@ -0,0 +1,8 @@
+export function left() {
+    return(// left binop
+    check() || action(), foo());
+}
+export function right() {
+    return check() || // right binop
+    action(), foo();
+}

crates/swc_ecma_codegen/src/lib.rs

@@ -2706,6 +2706,12 @@ where
                 }
             }
 
+            Expr::Bin(e) => {
+                if self.has_leading_comment(&e.left) {
+                    return true;
+                }
+            }
+
             Expr::Seq(e) => {
                 if let Some(e) = e.exprs.first() {
                     if self.has_leading_comment(e) {