---
source: crates/rome_formatter_test/src/snapshot_builder.rs
info:
  test_file: js/module-blocks/comments.js
---

# Input

```js
const m = /*A1*/ module /*A2*/ { /*A3*/
  /*A4*/
  export const foo = "foo";
  export { foo }; /*A5*/
  /*A6*/
}/*A7*/;/*A8*/

const m2 = module/* B1 */{
  /* B2 */
};

```


# Prettier differences

```diff
--- Prettier
+++ Rome
@@ -1,12 +1,13 @@
-const m = /*A1*/ module {
-  /*A2*/ /*A3*/
+const m = /*A1*/ module; /*A2*/
+{
+  /*A3*/
   /*A4*/
   export const foo = "foo";
   export { foo }; /*A5*/
   /*A6*/
-}; /*A7*/ /*A8*/
+} /*A7*/ /*A8*/
 
-const m2 = module {
-  /* B1 */
+const m2 = module; /* B1 */
+{
   /* B2 */
-};
+}
```

# Output

```js
const m = /*A1*/ module; /*A2*/
{
  /*A3*/
  /*A4*/
  export const foo = "foo";
  export { foo }; /*A5*/
  /*A6*/
} /*A7*/ /*A8*/

const m2 = module; /* B1 */
{
  /* B2 */
}
```

# Errors
```
comments.js:1:32 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none
  
  > 1 │ const m = /*A1*/ module /*A2*/ { /*A3*/
      │                                ^
    2 │   /*A4*/
    3 │   export const foo = "foo";
  
  i An explicit or implicit semicolon is expected here...
  
  > 1 │ const m = /*A1*/ module /*A2*/ { /*A3*/
      │                                ^
    2 │   /*A4*/
    3 │   export const foo = "foo";
  
  i ...Which is required to end this statement
  
  > 1 │ const m = /*A1*/ module /*A2*/ { /*A3*/
      │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    2 │   /*A4*/
    3 │   export const foo = "foo";
  
comments.js:3:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal use of an export declaration not at the top level
  
    1 │ const m = /*A1*/ module /*A2*/ { /*A3*/
    2 │   /*A4*/
  > 3 │   export const foo = "foo";
      │   ^^^^^^^^^^^^^^^^^^^^^^^^^
    4 │   export { foo }; /*A5*/
    5 │   /*A6*/
  
  i move this declaration to the top level
  
comments.js:4:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal use of an export declaration not at the top level
  
    2 │   /*A4*/
    3 │   export const foo = "foo";
  > 4 │   export { foo }; /*A5*/
      │   ^^^^^^^^^^^^^^^
    5 │   /*A6*/
    6 │ }/*A7*/;/*A8*/
  
  i move this declaration to the top level
  
comments.js:8:26 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none
  
     6 │ }/*A7*/;/*A8*/
     7 │ 
   > 8 │ const m2 = module/* B1 */{
       │                          ^
     9 │   /* B2 */
    10 │ };
  
  i An explicit or implicit semicolon is expected here...
  
     6 │ }/*A7*/;/*A8*/
     7 │ 
   > 8 │ const m2 = module/* B1 */{
       │                          ^
     9 │   /* B2 */
    10 │ };
  
  i ...Which is required to end this statement
  
     6 │ }/*A7*/;/*A8*/
     7 │ 
   > 8 │ const m2 = module/* B1 */{
       │ ^^^^^^^^^^^^^^^^^^^^^^^^^
     9 │   /* B2 */
    10 │ };
  

```