fix(scope-manager): fix visiting TSAsExpression in assignment (#3355)

typescript-eslint · May 9, 2021 · 87521a0 · 87521a0
1 parent ddfab95
commit 87521a0
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/packages/eslint-plugin/tests/eslint-rules/no-undef.test.ts b/packages/eslint-plugin/tests/eslint-rules/no-undef.test.ts
@@ -139,6 +139,13 @@ function predicate(arg: any): asserts arg is T {
     throw 'oops';
   }
 }
+    `,
+    `
+interface ITest {
+  attr: string;
+}
+let test: unknown;
+(test as ITest) = { attr: '' };
     `,
     {
       code: `

diff --git a/packages/scope-manager/src/referencer/Referencer.ts b/packages/scope-manager/src/referencer/Referencer.ts
@@ -320,7 +320,7 @@ class Referencer extends Visitor {
       case AST_NODE_TYPES.TSAsExpression:
       case AST_NODE_TYPES.TSTypeAssertion:
         // explicitly visit the type annotation
-        this.visit(left.typeAnnotation);
+        this.visitType(left.typeAnnotation);
       // intentional fallthrough
       case AST_NODE_TYPES.TSNonNullExpression:
         // unwrap the expression