Disallow const let or let let

2019-01-21 23:38:27 -08:00
parent 178f2d7949
commit 8071dca9ad
4 changed files with 15 additions and 10 deletions
--- a/packages/babel-parser/src/plugins/flow.js
+++ b/packages/babel-parser/src/plugins/flow.js
@@ -2344,8 +2344,11 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    }

    // parse flow type annotations on variable declarator heads - let foo: string = bar
-    parseVarHead(decl: N.VariableDeclarator): void {
-      super.parseVarHead(decl);
+    parseVarId(
+      decl: N.VariableDeclarator,
+      kind: "var" | "let" | "const",
+    ): void {
+      super.parseVarId(decl, kind);
      if (this.match(tt.colon)) {
        decl.id.typeAnnotation = this.flowParseTypeAnnotation();
        this.finishNode(decl.id, decl.id.type);