Fix scope check for 2nd+ lexical bindings (#9600)

2019-02-27 15:53:28 -08:00
parent 9aec606c69
commit 5cb280f986
9 changed files with 29 additions and 2 deletions
--- a/packages/babel-parser/src/util/scope.js
+++ b/packages/babel-parser/src/util/scope.js
@@ -117,8 +117,7 @@ export default class ScopeHandler {
        const scope = this.scopeStack[i];
        if (
          (scope.lexical.indexOf(name) > -1 &&
-            !(scope.flags & SCOPE_SIMPLE_CATCH) &&
-            scope.lexical[0] === name) ||
+            !(scope.flags & SCOPE_SIMPLE_CATCH && scope.lexical[0] === name)) ||
          (!this.treatFunctionsAsVarInScope(scope) &&
            scope.functions.indexOf(name) > -1)
        ) {