refactor: to node action (#47)

Refactoring the action from a composite to Node action. This change improves security through pinning of packages as well as better test-ability and error handling.

Reviewed-on: #47
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

.gitea/workflows/ci.yaml

@@ -13,10 +13,6 @@ jobs:
         uses: ./
         with:
           json-file: renovate.json
-      - name: Validate oxfmt config
-        uses: ./
-        with:
-          json-file: .oxfmtrc.json
 
   test:
     name: Test

src/validation.test.ts

@@ -31,7 +31,7 @@ describe("validateJson()", () => {
       despiteThisBeingValidJson: "toString() breaks it, making it invalid",
     }.toString();
     await expect(validateJson(jsonFile)).rejects.toThrow(
-      '"[object Object]" is not valid JSON'
+      '"[object Object]" is not valid JSON',
     );
   });
 
@@ -40,7 +40,7 @@ describe("validateJson()", () => {
       validJson: true,
     });
     await expect(validateJson(jsonFile)).rejects.toThrow(
-      "No schema found in JSON file."
+      "No schema found in JSON file.",
     );
   });
 
@@ -48,7 +48,7 @@ describe("validateJson()", () => {
     vi.mocked(fetch).mockRejectedValue(new Error("Failed to fetch schema"));
     const jsonFile = JSON.stringify({ $schema: "http://t00n.de/404.json" });
     await expect(validateJson(jsonFile)).rejects.toThrow(
-      "Failed to fetch schema"
+      "Failed to fetch schema",
     );
   });
 
@@ -61,15 +61,15 @@ describe("validateJson()", () => {
           ({
             despiteThisBeingValidJson:
               "toString() breaks it, making it invalid",
-          }.toString()),
-      }
+          }).toString(),
+      },
     );
 
     const jsonFile = JSON.stringify({
       $schema: "https://json-schema.org/draft-07/schema",
     });
     await expect(validateJson(jsonFile)).rejects.toThrow(
-      '"[object Object]" is not valid JSON'
+      '"[object Object]" is not valid JSON',
     );
   });
 
@@ -79,7 +79,7 @@ describe("validateJson()", () => {
       {
         ok: true,
         text: async () => validSchema,
-      }
+      },
     );
 
     const jsonFile = JSON.stringify({
@@ -87,7 +87,7 @@ describe("validateJson()", () => {
       notTheExpectedField: 42,
     });
     await expect(validateJson(jsonFile)).rejects.toThrow(
-      "JSON file is not valid: No errors"
+      "JSON file is not valid: No errors",
     );
   });
 
@@ -97,7 +97,7 @@ describe("validateJson()", () => {
       {
         ok: true,
         text: async () => validSchema,
-      }
+      },
     );
 
     const jsonFile = JSON.stringify({