feat: setup jest for unit test

.gitignore

@@ -8,4 +8,4 @@ meta.json
 stats.html
 
 test-workspace/
-.vscode/my-folders.json
+coverage/

jest.config.js

@@ -0,0 +1,22 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} **/
+module.exports = {
+    rootDir: './',
+    testMatch: ['<rootDir>/src/**/*.test.ts'],
+    testEnvironment: 'node',
+    transform: {
+        '^.+.ts$': ['ts-jest', { tsconfig: '<rootDir>/src/tsconfig.test.json' }],
+    },
+    verbose: true,
+    collectCoverage: true,
+    modulePathIgnorePatterns: ['<rootDir>/dist/'],
+    collectCoverage: true,
+    coverageThreshold: {
+        global: {
+            branches: 100,
+            functions: 100,
+            lines: 100,
+            statements: 100,
+        },
+    },
+    maxWorkers: 2,
+};

package.json

@@ -179,7 +179,7 @@
         "esbuild:analyze": "pnpm esbuild:base --minify --metafile --analyze && esbuild-visualizer --metadata ./meta.json --open",
         "compile:test": "pnpm clean && tsc -b ./test/tsconfig.json",
         "lint": "eslint src --ext ts",
-        "test": "stale-dep && pnpm compile:test && node ./out/test/runTests.js",
+        "test": "pnpm compile:test && node ./out/test/runTests.js",
         "package": "vsce package --no-dependencies",
         "release": "npx @yutengjing/release",
         "publish:vs-marketplace": "vsce publish --no-dependencies",
@@ -188,6 +188,7 @@
     "devDependencies": {
         "@npmcli/promise-spawn": "^8.0.2",
         "@types/glob": "^8.1.0",
+        "@types/jest": "^29.5.14",
         "@types/mocha": "^10.0.9",
         "@types/node": "~20.17.1",
         "@types/npmcli__promise-spawn": "^6.0.3",
@@ -201,13 +202,15 @@
         "esbuild-visualizer": "^0.6.0",
         "eslint": "^8.57.1",
         "glob": "^11.0.0",
+        "jest": "^29.7.0",
         "lint-staged": "^15.2.10",
         "mocha": "^10.7.3",
         "ovsx": "^0.10.0",
         "prettier": "^3.3.3",
         "rimraf": "^6.0.1",
         "simple-git-hooks": "^2.11.1",
         "stale-dep": "^0.7.0",
+        "ts-jest": "^29.2.5",
         "tsx": "^4.19.1",
         "typescript": "~5.6.3"
     }