fix(es/transforms/base): Fix await expressions. (#2157)

swc_ecma_transforms_base: - Preserve parenthesis in `await (a || b)`. (#2155)
swc-project · Aug 26, 2021 · 8c5daee · 8c5daee
1 parent 18e2232
commit 8c5daee
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Showing 5 changed files with 20 additions and 6 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/ecmascript/transforms/base/Cargo.toml b/ecmascript/transforms/base/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_transforms_base"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.27.0"
+version = "0.27.1"
 
 [dependencies]
 fxhash = "0.2.1"

diff --git a/ecmascript/transforms/base/src/fixer.rs b/ecmascript/transforms/base/src/fixer.rs
@@ -117,7 +117,11 @@ impl VisitMut for Fixer<'_> {
         self.ctx = old;
 
         match &*expr.arg {
-            Expr::Cond(..) | Expr::Assign(..) => self.wrap(&mut expr.arg),
+            Expr::Cond(..)
+            | Expr::Assign(..)
+            | Expr::Bin(..)
+            | Expr::Unary(..)
+            | Expr::Update(..) => self.wrap(&mut expr.arg),
             _ => {}
         }
     }
@@ -1382,4 +1386,14 @@ var store = global[SHARED] || (global[SHARED] = {});
         };
         "
     );
+
+    identical!(
+        issue_2155,
+        "
+        async function main() {
+            let promise;
+            await (promise || (promise = Promise.resolve('this is a string')));
+        }
+        "
+    );
 }
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@swc/core",
-    "version": "1.2.82",
+    "version": "1.2.83",
     "description": "Super-fast alternative for babel",
     "homepage": "https://swc.rs",
     "main": "./index.js",

diff --git a/wasm/Cargo.toml b/wasm/Cargo.toml
@@ -6,7 +6,7 @@ license = "Apache-2.0 AND MIT"
 name = "wasm"
 publish = false
 repository = "https://github.com/swc-project/swc.git"
-version = "1.2.82"
+version = "1.2.83"
 
 [lib]
 crate-type = ["cdylib"]