Recover from error for missing initializer in const declaration (#12120)

2020-09-30 01:40:51 +09:00
parent 3ba1ece0ce
commit 45f0cc2ed9
10 changed files with 175 additions and 15 deletions
--- a/packages/babel-parser/src/parser/statement.js
+++ b/packages/babel-parser/src/parser/statement.js
@@ -1016,7 +1016,11 @@ export default class StatementParser extends ExpressionParser {
          // `const` with no initializer is allowed in TypeScript.
          // It could be a declaration like `const x: number;`.
          if (!isTypescript) {
-            this.unexpected();
+            this.raise(
+              this.state.lastTokEnd,
+              Errors.DeclarationMissingInitializer,
+              "Const declarations",
+            );
          }
        } else if (
          decl.id.type !== "Identifier" &&