fix error from no-deprecated rule `4.0.0-alpha.13: node.typeInfo(..…

….).inputType.getFields is not a function` (#2743)

* aa

* aa

* aa

.changeset/cool-spoons-explain.md

@@ -0,0 +1,6 @@
+---
+'@graphql-eslint/eslint-plugin': patch
+---
+
+fix error from `no-deprecated` rule
+`4.0.0-alpha.13: node.typeInfo(...).inputType.getFields is not a function`

package.json

@@ -39,7 +39,6 @@
     "eslint": "9.14.0",
     "eslint-plugin-eslint-plugin": "6.3.2",
     "eslint-plugin-tailwindcss": "3.17.5",
-    "husky": "9.1.7",
     "jest-snapshot-serializer-raw": "2.0.0",
     "json-schema-to-markdown": "1.1.1",
     "prettier": "3.3.3",

packages/plugin/src/rules/no-deprecated/index.ts

@@ -132,14 +132,16 @@ export const rule: GraphQLESLintRule<[], true> = {
         }
       },
       ObjectValue(node) {
-        const typeInfo = node.typeInfo();
-        // @ts-expect-error -- fixme
-        const fields = typeInfo.inputType!.getFields();
-        for (const field of node.fields) {
-          const fieldName = field.name.value;
-          const reason = fields[fieldName].deprecationReason;
-          if (reason) {
-            report(field, reason);
+        const { inputType } = node.typeInfo();
+        if (!inputType) return;
+        if ('getFields' in inputType) {
+          const fields = inputType.getFields();
+          for (const field of node.fields) {
+            const fieldName = field.name.value;
+            const reason = fields[fieldName].deprecationReason;
+            if (reason) {
+              report(field, reason);
+            }
           }
         }
       },