refactor: replace jest with vitest

Reviewed-on: #88
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

.editorconfig

@@ -0,0 +1,7 @@
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitea/workflows/cd.yaml

@@ -17,7 +17,7 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0

.gitea/workflows/ci.yaml

@@ -8,7 +8,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version-file: .nvmrc
@@ -24,7 +24,7 @@ jobs:
     name: Check Dist
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version-file: .nvmrc
@@ -43,7 +43,7 @@ jobs:
     name: Dry-Run
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
@@ -68,7 +68,7 @@ jobs:
     name: Dry-Run Prerelease
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0

.prettierrc

@@ -1,8 +0,0 @@
-{
-  "semi": true,
-  "trailingComma": "es5",
-  "singleQuote": false,
-  "printWidth": 100,
-  "tabWidth": 2,
-  "useTabs": false
-}

jest.config.js

@@ -1,13 +0,0 @@
-module.exports = {
-  preset: "ts-jest",
-  testEnvironment: "node",
-  roots: ["<rootDir>/src"],
-  testMatch: ["**/*.spec.ts"],
-  moduleNameMapper: {
-    "^@actions/core$": "<rootDir>/src/__mocks__/actions-core.ts",
-  },
-  transform: {
-    "^.+\\.ts$": "ts-jest",
-  },
-  moduleFileExtensions: ["ts", "js", "json"],
-};

package.json

@@ -4,21 +4,20 @@
   "main": "src/index.ts",
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "build": "esbuild src/index.ts --bundle --outfile=dist/index.js --platform=node --target=node24 --minify",
-    "test": "jest",
-    "format": "prettier --write src/**/*.ts"
+    "build": "rolldown -c",
+    "test": "vitest",
+    "format": "oxfmt --write src/**/*.ts"
   },
   "author": "Timo Behrendt <t.behrendt@t00n.de>",
   "license": "MIT",
   "devDependencies": {
     "@types/conventional-commits-parser": "5.0.2",
-    "@types/jest": "30.0.0",
     "@types/node": "24.13.2",
-    "esbuild": "0.28.1",
-    "jest": "30.4.2",
-    "prettier": "3.8.4",
-    "ts-jest": "29.4.11",
-    "typescript": "5.9.3"
+    "@vitest/coverage-v8": "4.1.10",
+    "oxfmt": "0.59.0",
+    "rolldown": "1.2.0",
+    "typescript": "5.9.3",
+    "vitest": "4.1.10"
   },
   "dependencies": {
     "@actions/core": "3.0.1",

rolldown.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from "rolldown/config";
+
+export default defineConfig({
+  input: "src/index.ts",
+  output: {
+    file: "dist/index.js",
+    format: "esm",
+    minify: true,
+  },
+  platform: "node",
+  treeshake: true,
+});

src/__mocks__/actions-core.ts

@@ -1,5 +0,0 @@
-export const getInput = jest.fn(() => "");
-export const info = jest.fn();
-export const warning = jest.fn();
-export const setOutput = jest.fn();
-export const setFailed = jest.fn();

src/main.spec.ts

@@ -1,22 +1,24 @@
+import { afterEach, beforeEach, describe, expect, it, vi, type MockedFunction } from "vitest";
+
 import {
-  IncrementType,
-  Tag,
-  GitService,
-  CoreService,
   ConventionalCommitAnalyzer,
-  TagService,
-  TagIncrementer,
-  LocalGitService,
+  CoreService,
+  GitService,
+  IncrementType,
   LocalCoreService,
+  LocalGitService,
+  Tag,
+  TagIncrementer,
+  TagService,
 } from "./main";
 
 // Mock child_process.execSync
-jest.mock("child_process", () => ({
-  execSync: jest.fn(),
+vi.mock("child_process", () => ({
+  execSync: vi.fn(),
 }));
 
 import { execSync } from "child_process";
-const mockExecSync = execSync as jest.MockedFunction<typeof execSync>;
+const mockExecSync = execSync as MockedFunction<typeof execSync>;
 
 // Mock interfaces for testing
 class MockGitService implements GitService {
@@ -439,8 +441,6 @@ describe("LocalCoreService", () => {
     localCoreService = new LocalCoreService();
   });
 
-  // @actions/core is mocked via jest.config.js moduleNameMapper
-
   it("should have all required methods", () => {
     expect(typeof localCoreService.getInput).toBe("function");
     expect(typeof localCoreService.info).toBe("function");

vitest.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    environment: "node",
+    include: ["src/**/*.{spec,test}.ts"],
+    coverage: {
+      enabled: true,
+      provider: "v8",
+      include: ["src/**/*.ts"],
+      exclude: ["src/**/*.{spec,test}.ts"],
+      reporter: ["lcov"],
+      reportsDirectory: "coverage",
+    },
+  },
+});