fix(experimental-utils): fix isSetter's return type (typescript-eslint#3975)

MichaelDeBoey · web-flow · commit d2568561d041 · 2021-10-06T21:25:09.000-07:00
diff --git a/packages/experimental-utils/src/ast-utils/predicates.ts b/packages/experimental-utils/src/ast-utils/predicates.ts
@@ -155,7 +155,7 @@ const isConstructor = isNodeOfTypeWithConditions(
  */
 function isSetter(
   node: TSESTree.Node | undefined,
-): node is TSESTree.MethodDefinition | TSESTree.Property {
+): node is (TSESTree.MethodDefinition | TSESTree.Property) & { kind: 'set' } {
   return (
     !!node &&
     (node.type === AST_NODE_TYPES.MethodDefinition ||
