chore: add jest

Author: omermecitoglu

.github/workflows/release.yml

@@ -22,8 +22,8 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      # - name: Run tests
-        # run: npm test
+      - name: Run tests
+        run: npm test
 
       - name: Upload results to Codecov
         uses: codecov/codecov-action@v4

.gitignore

@@ -1,2 +1,3 @@
 /node_modules
+/coverage
 /bin

jest.config.ts

@@ -0,0 +1,26 @@
+import type { JestConfigWithTsJest } from "ts-jest";
+
+const jestConfig: JestConfigWithTsJest = {
+  preset: "ts-jest",
+  moduleDirectories: ["node_modules", "<rootDir>"],
+  modulePathIgnorePatterns: [
+    "<rootDir>/.next",
+    "<rootDir>/dist",
+  ],
+  moduleNameMapper: {
+    "^~/(.*)$": "<rootDir>/src/$1",
+  },
+  transform: {
+    "^.+\\.[tj]s$": ["ts-jest", {
+      tsconfig: {
+        allowJs: true,
+      },
+    }],
+  },
+  transformIgnorePatterns: [
+    "<rootDir>/node_modules/(?!change-case)",
+  ],
+  collectCoverage: true,
+};
+
+export default jestConfig;