refactor: to node action

.gitea/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-      - name: Validate Renovate Config
+      - name: Validate JSON
         uses: ./
         with:
           json-file: renovate.json

dist/index.js

@@ -22228,7 +22228,7 @@ const validateJson = async (jsonFileContent) => {
 	const schemaUrl = new URL(schema);
 	const schemaText = await (await fetch(schemaUrl.toString())).text();
 	const schemaObject = JSON.parse(schemaText);
-	const validator = new import_ajv.default({ strict: false });
+	const validator = new import_ajv.default();
 	if (!validator.compile(schemaObject)(jsonObject)) throw new Error(`JSON file is not valid: ${validator.errorsText()}`);
 };
 //#endregion

src/validation.test.ts

@@ -58,10 +58,10 @@ describe("validateJson()", () => {
       {
         ok: true,
         text: async () =>
-          ({
+          JSON.stringify({
             despiteThisBeingValidJson:
               "toString() breaks it, making it invalid",
-          }).toString(),
+          }),
       },
     );
 
@@ -69,7 +69,7 @@ describe("validateJson()", () => {
       $schema: "https://json-schema.org/draft-07/schema",
     });
     await expect(validateJson(jsonFile)).rejects.toThrow(
-      '"[object Object]" is not valid JSON',
+      'strict mode: unknown keyword: "despiteThisBeingValidJson"',
     );
   });
 

src/validation.ts

@@ -14,9 +14,7 @@ export const validateJson = async (jsonFileContent: string): Promise<void> => {
   const schemaText = await schemaContent.text();
   const schemaObject = JSON.parse(schemaText);
 
-  const validator = new Ajv({
-    strict: false,
-  });
+  const validator = new Ajv();
   const validate = validator.compile(schemaObject);
   const isValid = validate(jsonObject);
   if (!isValid) {