Enter new prodParam scope

babel · Dec 11, 2020 · 1640f64 · 1640f64
1 parent 001d471
commit 1640f64
Show file tree

Hide file tree

Showing 4 changed files with 51 additions and 0 deletions.
diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
@@ -2641,8 +2641,14 @@ export default class ExpressionParser extends LValParser {
     this.state.exportedIdentifiers = [];
     this.eat(tt.braceL);
     this.scope.enter(SCOPE_OTHER);
+    let paramFlags = PARAM;
+    if (this.hasPlugin("topLevelAwait")) {
+      paramFlags |= PARAM_AWAIT;
+    }
+    this.prodParam.enter(paramFlags);
     this.parseBlockOrModuleBlockBody(node.body, undefined, true, tt.braceR);
     this.scope.exit();
+    this.prodParam.exit();
     this.eat(tt.braceR);
     this.state.labels = oldLabels;
     this.state.exportedIdentifiers = oldExportedIdentifiers;

diff --git a/.../test/fixtures/experimental/module-blocks/valid-top-level-await-in-module-blocks/input.js b/.../test/fixtures/experimental/module-blocks/valid-top-level-await-in-module-blocks/input.js
@@ -0,0 +1 @@
+module { await 3 };
diff --git a/...t/fixtures/experimental/module-blocks/valid-top-level-await-in-module-blocks/options.json b/...t/fixtures/experimental/module-blocks/valid-top-level-await-in-module-blocks/options.json
@@ -0,0 +1,4 @@
+{
+  "sourceType": "module",
+  "plugins": ["moduleBlocks", "topLevelAwait"]
+}
diff --git a/...st/fixtures/experimental/module-blocks/valid-top-level-await-in-module-blocks/output.json b/...st/fixtures/experimental/module-blocks/valid-top-level-await-in-module-blocks/output.json
@@ -0,0 +1,40 @@
+{
+  "type": "File",
+  "start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
+  "program": {
+    "type": "Program",
+    "start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
+    "sourceType": "module",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "ExpressionStatement",
+        "start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
+        "expression": {
+          "type": "ModuleExpression",
+          "start":0,"end":18,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":18}},
+          "body": [
+            {
+              "type": "ExpressionStatement",
+              "start":9,"end":16,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":16}},
+              "expression": {
+                "type": "AwaitExpression",
+                "start":9,"end":16,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":16}},
+                "argument": {
+                  "type": "NumericLiteral",
+                  "start":15,"end":16,"loc":{"start":{"line":1,"column":15},"end":{"line":1,"column":16}},
+                  "extra": {
+                    "rawValue": 3,
+                    "raw": "3"
+                  },
+                  "value": 3
+                }
+              }
+            }
+          ]
+        }
+      }
+    ],
+    "directives": []
+  }
+}