fix(es): Fix bugs (#1709)

swc_ecma_transforms_base: - `fixer`: Fix regression related to `??` and `||`. (denoland/deno#10668)
swc-project · May 18, 2021 · dee8290 · dee8290
1 parent 57d1aaf
commit dee8290
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Showing 3 changed files with 9 additions and 3 deletions.
diff --git a/bundler/Cargo.toml b/bundler/Cargo.toml
@@ -9,7 +9,7 @@ include = ["Cargo.toml", "build.rs", "src/**/*.rs", "src/**/*.js"]
 license = "Apache-2.0/MIT"
 name = "swc_bundler"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.37.0"
+version = "0.37.1"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]

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 = "0.15.1"
+version = "0.15.2"
 
 [dependencies]
 fxhash = "0.2.1"

diff --git a/ecmascript/transforms/base/src/fixer.rs b/ecmascript/transforms/base/src/fixer.rs
@@ -170,7 +170,9 @@ impl VisitMut for Fixer<'_> {
                             self.wrap(&mut expr.right);
                         }
                     }
-                } else if op_of_rhs.precedence() <= expr.op.precedence() {
+                } else if op_of_rhs.precedence() <= expr.op.precedence()
+                    || (*op_of_rhs == op!("&&") && expr.op == op!("??"))
+                {
                     self.wrap(&mut expr.right);
                 }
             }
@@ -1184,4 +1186,8 @@ var store = global[SHARED] || (global[SHARED] = {});
         deno_10487_2,
         "class MultiVector extends (options.baseType||Float32Array) {}"
     );
+
+    identical!(deno_10668_1, "console.log(null ?? (undefined && true))");
+
+    identical!(deno_10668_2, "console.log(null && (undefined ?? true))");
 }