diff --git a/.dependency-cruiser.cjs b/.dependency-cruiser.cjs
index cb7df1bd..0e682527 100644
--- a/.dependency-cruiser.cjs
+++ b/.dependency-cruiser.cjs
@@ -57,7 +57,7 @@ module.exports = {
         "from.pathNot re of the not-to-dev-dep rule in the dependency-cruiser configuration",
       from: {
         path: "^(src|app|lib)",
-        pathNot: "\\.spec\\.(js|ts|ls|coffee|litcoffee|coffee\\.md)$",
+        pathNot: "(\\.spec\\.(js|ts|ls|coffee|litcoffee|coffee\\.md)$|__tests__|[-.]test\\.ts$)",
       },
       to: {
         dependencyTypes: ["npm-dev"],
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5dce897d..62126501 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,7 @@ jobs:
       - name: Test & Build
         run: |
           pnpm build
+          pnpm type-check
           pnpm test:code:gen
           pnpm test
         env:
diff --git a/lefthook.yml b/lefthook.yml
index c2eb40b9..01a8b6df 100644
--- a/lefthook.yml
+++ b/lefthook.yml
@@ -2,7 +2,7 @@ pre-commit:
   commands:
     format:
       glob: "*.{js,jsx,json,yml,yaml,html,md,ts,tsx}"
-      run: biome format --no-errors-on-unmatched --write {staged_files}
+      run: pnpm exec biome format --no-errors-on-unmatched --write {staged_files}
       stage_fixed: true
     sort-package-json:
       glob: "package.json"
diff --git a/package.json b/package.json
index aacdd1bc..08dbc6c7 100644
--- a/package.json
+++ b/package.json
@@ -73,6 +73,7 @@
     "test:snapshot": "vitest run --config ./vitest.snapshot.config.ts",
     "test:vitest": "vitest run --config ./vitest.config.ts --coverage",
     "ts": "node --no-warnings=ExperimentalWarning --experimental-specifier-resolution=node --loader ts-node/esm",
+    "type-check": "tsc --noEmit",
     "update:snapshot": "vitest run --config ./vitest.snapshot.config.ts --update",
     "validate": "pnpm ts ./scripts/validate.ts",
     "watch": "pnpm ts ./scripts/watch.ts"
diff --git a/scripts/tools/shell.ts b/scripts/tools/shell.ts
index ffd91c82..27d12655 100644
--- a/scripts/tools/shell.ts
+++ b/scripts/tools/shell.ts
@@ -1,6 +1,6 @@
-import { ExecaChildProcess, execa } from "execa";
+import { type ResultPromise, execa } from "execa";
 
-export const shell = (command: string, cwd: string = process.cwd()): ExecaChildProcess<string> => {
+export const shell = (command: string, cwd: string = process.cwd()): ResultPromise => {
   return execa(command, {
     stdio: ["pipe", "pipe", "inherit"],
     shell: true,
diff --git a/src/code-templates/_shared/MethodBody/__tests__/PathParameter-test.ts b/src/code-templates/_shared/MethodBody/__tests__/PathParameter-test.ts
index 0383d489..ef430e5c 100644
--- a/src/code-templates/_shared/MethodBody/__tests__/PathParameter-test.ts
+++ b/src/code-templates/_shared/MethodBody/__tests__/PathParameter-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import ts from "typescript";
 
 import { TsGenerator } from "../../../../api";
diff --git a/src/code-templates/_shared/__tests__/utils.test.ts b/src/code-templates/_shared/__tests__/utils.test.ts
index 082afe3a..f811cf7f 100644
--- a/src/code-templates/_shared/__tests__/utils.test.ts
+++ b/src/code-templates/_shared/__tests__/utils.test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as Utils from "../utils";
 
 type OK = Utils.VariableElement;
diff --git a/src/internal/OpenApiTools/Walker/Store.ts b/src/internal/OpenApiTools/Walker/Store.ts
index b9596e53..c0028283 100644
--- a/src/internal/OpenApiTools/Walker/Store.ts
+++ b/src/internal/OpenApiTools/Walker/Store.ts
@@ -153,7 +153,7 @@ class Store {
     if (!result) {
       throw new Error(`Not found ${localPath}`);
     }
-    return result;
+    return result as OpenApi.Parameter;
   }
   public isAfterDefined(referencePath: string): boolean {
     return !!DotProp.getProperty(this.state.document, referencePath.replace(/\//g, "."));
diff --git a/test/__tests__/class/argo-rollout-test.ts b/test/__tests__/class/argo-rollout-test.ts
index ae42001f..a1dbe6a3 100644
--- a/test/__tests__/class/argo-rollout-test.ts
+++ b/test/__tests__/class/argo-rollout-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/cloudflare-test.ts b/test/__tests__/class/cloudflare-test.ts
index c21db5f1..12049bf4 100644
--- a/test/__tests__/class/cloudflare-test.ts
+++ b/test/__tests__/class/cloudflare-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/format.domain.ts b/test/__tests__/class/format.domain.ts
index cdf234cf..06ea67b1 100644
--- a/test/__tests__/class/format.domain.ts
+++ b/test/__tests__/class/format.domain.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/kubernetes-test.ts b/test/__tests__/class/kubernetes-test.ts
index 7ccd2690..87eb742e 100644
--- a/test/__tests__/class/kubernetes-test.ts
+++ b/test/__tests__/class/kubernetes-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/multi-type.test.domain.ts b/test/__tests__/class/multi-type.test.domain.ts
index 9155f4fb..4685f314 100644
--- a/test/__tests__/class/multi-type.test.domain.ts
+++ b/test/__tests__/class/multi-type.test.domain.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/parameter-test.ts b/test/__tests__/class/parameter-test.ts
index c87e942e..25b88fa6 100644
--- a/test/__tests__/class/parameter-test.ts
+++ b/test/__tests__/class/parameter-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/spit-code-test.ts b/test/__tests__/class/spit-code-test.ts
index 6218286e..c70dbbc9 100644
--- a/test/__tests__/class/spit-code-test.ts
+++ b/test/__tests__/class/spit-code-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/template-only-test.ts b/test/__tests__/class/template-only-test.ts
index 35959325..6078953f 100644
--- a/test/__tests__/class/template-only-test.ts
+++ b/test/__tests__/class/template-only-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/typedef-only-test.ts b/test/__tests__/class/typedef-only-test.ts
index ba69e229..0aab2bef 100644
--- a/test/__tests__/class/typedef-only-test.ts
+++ b/test/__tests__/class/typedef-only-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/typedef-with-template-test.ts b/test/__tests__/class/typedef-with-template-test.ts
index c5d16c94..fff17508 100644
--- a/test/__tests__/class/typedef-with-template-test.ts
+++ b/test/__tests__/class/typedef-with-template-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/class/unknown-schema-domain-test.ts b/test/__tests__/class/unknown-schema-domain-test.ts
index add08db7..ae7a84b7 100644
--- a/test/__tests__/class/unknown-schema-domain-test.ts
+++ b/test/__tests__/class/unknown-schema-domain-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/client-generate-test.ts b/test/__tests__/client-generate-test.ts
index f31d3276..44fb780b 100644
--- a/test/__tests__/client-generate-test.ts
+++ b/test/__tests__/client-generate-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import { CodeGenerator } from "../../src";
diff --git a/test/__tests__/currying-functional/coudflare-test.ts b/test/__tests__/currying-functional/coudflare-test.ts
index 3405fe7f..3fa79fcb 100644
--- a/test/__tests__/currying-functional/coudflare-test.ts
+++ b/test/__tests__/currying-functional/coudflare-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/argo-rollout-test.ts b/test/__tests__/functional/argo-rollout-test.ts
index 3b24c6e3..064bca64 100644
--- a/test/__tests__/functional/argo-rollout-test.ts
+++ b/test/__tests__/functional/argo-rollout-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/coudflare-test.ts b/test/__tests__/functional/coudflare-test.ts
index 2578a301..29aa165a 100644
--- a/test/__tests__/functional/coudflare-test.ts
+++ b/test/__tests__/functional/coudflare-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/format.domain.ts b/test/__tests__/functional/format.domain.ts
index 17696593..a4f45063 100644
--- a/test/__tests__/functional/format.domain.ts
+++ b/test/__tests__/functional/format.domain.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/kubernetes-test.ts b/test/__tests__/functional/kubernetes-test.ts
index d4151acc..d9c2915b 100644
--- a/test/__tests__/functional/kubernetes-test.ts
+++ b/test/__tests__/functional/kubernetes-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/multi-type.test.domain.ts b/test/__tests__/functional/multi-type.test.domain.ts
index 74a1dd6d..bb93fe8c 100644
--- a/test/__tests__/functional/multi-type.test.domain.ts
+++ b/test/__tests__/functional/multi-type.test.domain.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/parameter-test.ts b/test/__tests__/functional/parameter-test.ts
index 603fbc03..912cb393 100644
--- a/test/__tests__/functional/parameter-test.ts
+++ b/test/__tests__/functional/parameter-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/spit-code-test.ts b/test/__tests__/functional/spit-code-test.ts
index 7cd3eaaa..d7ffb3e2 100644
--- a/test/__tests__/functional/spit-code-test.ts
+++ b/test/__tests__/functional/spit-code-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/template-only-test.ts b/test/__tests__/functional/template-only-test.ts
index ebc32955..c97c04e6 100644
--- a/test/__tests__/functional/template-only-test.ts
+++ b/test/__tests__/functional/template-only-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/typedef-only-test.ts b/test/__tests__/functional/typedef-only-test.ts
index 13a02b8b..ec43ef53 100644
--- a/test/__tests__/functional/typedef-only-test.ts
+++ b/test/__tests__/functional/typedef-only-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/typedef-with-template-test.ts b/test/__tests__/functional/typedef-with-template-test.ts
index ac6421e8..9bb15858 100644
--- a/test/__tests__/functional/typedef-with-template-test.ts
+++ b/test/__tests__/functional/typedef-with-template-test.ts
@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from "vitest";
 import * as fs from "fs";
 
 import * as Utils from "../../utils";
diff --git a/test/__tests__/functional/unknown-schema-domain-test copy.ts b/test/__tests__/functional/unknown-schema-domain-test copy.ts
deleted file mode 100644
index 39984a4f..00000000
--- a/test/__tests__/functional/unknown-schema-domain-test copy.ts	
+++ /dev/null
@@ -1,11 +0,0 @@
-import * as fs from "fs";
-
-import * as Utils from "../../utils";
-
-describe("Unknown", () => {
-  test("client.ts", () => {
-    const generateCode = fs.readFileSync("test/code/functional/unknown.schema.domain/client.ts", { encoding: "utf-8" });
-    const text = Utils.replaceVersionInfo(generateCode);
-    expect(text).toMatchSnapshot();
-  });
-});
diff --git a/tsconfig.json b/tsconfig.json
index bfb3a9b8..46971edc 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -19,5 +19,6 @@
   "ts-node": {
     "esm": true,
     "swc": true
-  }
+  },
+  "exclude": ["test/code", "examples/"]
 }