code refactor

jest.config.ts

@@ -1,37 +1,21 @@
-/**
- * For a detailed explanation regarding each configuration property, visit:
- * https://jestjs.io/docs/configuration
- */
+import { type JestConfigWithTsJest, createDefaultEsmPreset } from 'ts-jest';
 
-import type { Config } from 'jest';
-
-const config: Config = {
-
-  // Automatically clear mock calls, instances, contexts and results before every test
-  clearMocks: true,
-
-  // Indicates whether the coverage information should be collected while executing the test
-  collectCoverage: false,
-
-  // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
-  moduleNameMapper: {
-    "^@/(.*)$": "<rootDir>/src/$1"
-  },
-
-  // The test environment that will be used for testing
-  testEnvironment: "node",
-
-  // The glob patterns Jest uses to detect test files
-  testMatch: [
-    "**/__tests__/**/*.[jt]s?(x)",
-    "!**/__tests__/*_gen.[jt]s?(x)"
-  ],
-
-  // A map from regular expressions to paths to transformers
-  transform: {
-    '^.+\\.m?tsx?$': ['ts-jest', { useESM: true, isolatedModules: true }],
-  },
+const presetConfig = createDefaultEsmPreset({
+    tsconfig: '<rootDir>/tsconfig.jest.json'
+});
 
+const config: JestConfigWithTsJest = {
+    ...presetConfig,
+    clearMocks: true,
+    collectCoverage: false,
+    moduleNameMapper: {
+        "^@/(.*)$": "<rootDir>/src/$1"
+    },
+    testEnvironment: "node",
+    testMatch: [
+        "**/__tests__/**/*.[jt]s?(x)",
+        "!**/__tests__/*_gen.[jt]s?(x)"
+    ]
 };
 
-module.exports = config;
+export default config;