refactor: write jest config in ts (#485)

* refactor: write jest config in ts

Signed-off-by: Rui Chen <[email protected]>

* chore: exclude jest.config.ts in tsconfig

Signed-off-by: Rui Chen <[email protected]>

* chore: run build

Signed-off-by: Rui Chen <[email protected]>

---------

Signed-off-by: Rui Chen <[email protected]>

Author: chenrui333

dist/index.js

@@ -0,0 +1,16 @@
+import type { JestConfigWithTsJest } from 'ts-jest';
+
+const config: JestConfigWithTsJest = {
+  preset: 'ts-jest/presets/default-esm',
+  clearMocks: true,
+  moduleFileExtensions: ['js', 'ts'],
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+  testRunner: 'jest-circus/runner',
+  transform: {
+    '^.+\\.ts$': 'ts-jest',
+  },
+  verbose: true,
+};
+
+export default config;

jest.config.js

@@ -37,7 +37,8 @@
     "jest": "^29.3.1",
     "jest-circus": "^29.3.1",
     "prettier": "3.3.3",
-    "ts-jest": "^29.2.2",
+    "ts-jest": "^29.2.3",
+    "ts-node": "^10.9.2",
     "typescript": "^5.5.3",
     "typescript-formatter": "^7.2.2"
   }

jest.config.ts

@@ -60,5 +60,5 @@
     // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
     // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
   },
-  "exclude": ["node_modules", "**/*.test.ts"]
-}
+  "exclude": ["node_modules", "**/*.test.ts", "jest.config.ts"]
+}