Add support for inheritance from null

fixes #189
Swatinem · Dec 24, 2021 · f2feca4 · f2feca4
1 parent 734fda3
commit f2feca4
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diff --git a/src/transform/astHelpers.ts b/src/transform/astHelpers.ts
@@ -118,6 +118,8 @@ export function convertExpression(node: ts.Expression): ESTree.Expression {
   }
   if (ts.isIdentifier(node)) {
     return createIdentifier(node);
+  } else if (node.kind == ts.SyntaxKind.NullKeyword) {
+    return { type: "Literal", value: null };
   } else {
     throw new UnsupportedSyntaxError(node);
   }

diff --git a/tests/testcases/issue-189/expected.d.ts b/tests/testcases/issue-189/expected.d.ts
@@ -0,0 +1,2 @@
+declare class MyClass extends null {}
+export { MyClass };
diff --git a/tests/testcases/issue-189/index.d.ts b/tests/testcases/issue-189/index.d.ts
@@ -0,0 +1 @@
+export class MyClass extends null {}