Add test for expressions

babel · Feb 7, 2023 · 98129c4 · 98129c4
1 parent 2112dec
commit 98129c4
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Showing 5 changed files with 805 additions and 175 deletions.
diff --git a/packages/babel-parser/src/plugins/typescript/index.ts b/packages/babel-parser/src/plugins/typescript/index.ts
@@ -666,7 +666,7 @@ export default (superClass: ClassWithMixin<typeof Parser, IJSXParserMixin>) =>
 
     tsParseConstModifier = this.tsParseModifiers.bind(this, {
       allowedModifiers: ["const"],
-      // for better error recover
+      // for better error recovery
       disallowedModifiers: ["in", "out"],
       errorTemplate: TSErrors.InvalidModifierOnTypeParameterPositions,
     });

diff --git a/packages/babel-parser/test/fixtures/typescript/types/const-type-parameters-babel-7/input.ts b/packages/babel-parser/test/fixtures/typescript/types/const-type-parameters-babel-7/input.ts
@@ -4,12 +4,20 @@ function c<T, const U>() {}
 declare function d<const T>();
 <const T>() => {};
 <const T extends U>() => {};
+(function <const T>() {});
+(function <const T extends U>() {});
+(function <T, const U>() {});
 
 class A<const T> {}
 class B<const T extends U> {}
 class C<T, const U> {}
 class D<in const T> {}
 class E<const in T> {}
+(class <const T> {});
+(class <const T extends U> {});
+(class <T, const U> {});
+(class <in const T> {});
+(class <const in T> {});
 
 interface I<const T> {}
 interface J<const T extends U> {}