parse parameter decorators

babel · Mar 10, 2016 · f9a6cfb · f9a6cfb
1 parent 240953f
commit f9a6cfb
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diff --git a/src/parser/lval.js b/src/parser/lval.js
@@ -162,7 +162,14 @@ pp.parseBindingList = function (close, allowEmpty, allowTrailingComma) {
       this.expect(close);
       break;
     } else {
+      let decorators = [];
+      while (this.match(tt.at)) {
+        decorators.push(this.parseDecorator());
+      }
       let left = this.parseMaybeDefault();
+      if (decorators.length) {
+        left.decorators = decorators;
+      }
       this.parseAssignableListItemTypes(left);
       elts.push(this.parseMaybeDefault(null, null, left));
     }

diff --git a/test/fixtures/experimental/decorators/options.json b/test/fixtures/experimental/decorators/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["decorators"]
+}
diff --git a/test/fixtures/experimental/decorators/parameter-decorator/actual.js b/test/fixtures/experimental/decorators/parameter-decorator/actual.js
@@ -0,0 +1,3 @@
+class Foo {
+  constructor(@foo() x, @bar({ a: 123 }) @baz() y) {}
+}