---
source: crates/biome_formatter_test/src/snapshot_builder.rs
info: js/babel-plugins/async-do-expressions.js
---

# Input

```js
async do { await requestAPI().json() };

```


# Prettier differences

```diff
--- Prettier
+++ Biome
@@ -1,3 +1,2 @@
-(async do {
-  await requestAPI().json();
-});
+async;
+do { await requestAPI().json() };
```

# Output

```js
async;
do { await requestAPI().json() };
```

# Errors
```
async-do-expressions.js:1:7 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none
  
  > 1 │ async do { await requestAPI().json() };
      │       ^^
    2 │ 
  
  i An explicit or implicit semicolon is expected here...
  
  > 1 │ async do { await requestAPI().json() };
      │       ^^
    2 │ 
  
  i ...Which is required to end this statement
  
  > 1 │ async do { await requestAPI().json() };
      │ ^^^^^^^^
    2 │ 
  
async-do-expressions.js:1:39 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected `while` but instead found `;`
  
  > 1 │ async do { await requestAPI().json() };
      │                                       ^
    2 │ 
  
  i Remove ;
  

```