Migrate jest to vitest

.eslintrc.json

@@ -1,5 +1,5 @@
 {
-    "plugins": ["jest", "@typescript-eslint"],
+    "plugins": ["@typescript-eslint"],
     "extends": ["plugin:github/internal"],
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
@@ -47,7 +47,6 @@
     },
     "env": {
       "node": true,
-      "es6": true,
-      "jest/globals": true
+      "es6": true
     }
-  }
+  }

.vscode/launch.json

@@ -1,35 +0,0 @@
-{
-    "version": "0.2.0",
-    "configurations": [
-      {
-        "type": "node",
-        "request": "launch",
-        "name": "Jest All",
-        "program": "${workspaceFolder}/node_modules/.bin/jest",
-        "args": ["--runInBand"],
-        "console": "integratedTerminal",
-        "internalConsoleOptions": "neverOpen",
-        "disableOptimisticBPs": true,
-        "windows": {
-          "program": "${workspaceFolder}/node_modules/jest/bin/jest",
-        }
-      },
-      {
-        "type": "node",
-        "request": "launch",
-        "name": "Jest Current File",
-        "program": "${workspaceFolder}/node_modules/.bin/jest",
-        "args": [
-          "${fileBasenameNoExtension}",
-          "--config",
-          "jest.config.js"
-        ],
-        "console": "integratedTerminal",
-        "internalConsoleOptions": "neverOpen",
-        "disableOptimisticBPs": true,
-        "windows": {
-          "program": "${workspaceFolder}/node_modules/jest/bin/jest",
-        }
-      }
-    ]
-  }

__tests__/csv-escape.test.ts

@@ -1,3 +1,5 @@
+import {describe, expect, test} from 'vitest'
+
 import {csvEscape} from '../src/list-format/csv-escape'
 
 describe('csvEscape() backslash escapes every character except subset of definitely safe characters', () => {

__tests__/filter.test.ts

@@ -1,3 +1,5 @@
+import {describe, expect, test} from 'vitest'
+
 import {Filter} from '../src/filter'
 import {File, ChangeStatus} from '../src/file'
 

__tests__/git.test.ts

@@ -1,3 +1,5 @@
+import {describe, expect, test} from 'vitest'
+
 import * as git from '../src/git'
 import {ChangeStatus} from '../src/file'
 

__tests__/shell-escape.test.ts

@@ -1,3 +1,5 @@
+import {describe, expect, test} from 'vitest'
+
 import {backslashEscape, shellEscape} from '../src/list-format/shell-escape'
 
 describe('escape() backslash escapes every character except subset of definitely safe characters', () => {

jest.config.js

@@ -1,11 +0,0 @@
-module.exports = {
-  clearMocks: true,
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  testRunner: 'jest-circus/runner',
-  transform: {
-    '^.+\\.ts$': 'ts-jest'
-  },
-  verbose: true
-}

package.json

@@ -11,7 +11,7 @@
     "format-check": "prettier --check **/*.ts",
     "lint": "eslint src/**/*.ts",
     "pack": "ncc build -m",
-    "test": "jest",
+    "test": "vitest",
     "all": "pnpm run build && pnpm run format && pnpm run lint && pnpm run pack && pnpm test"
   },
   "repository": {
@@ -35,7 +35,6 @@
   "devDependencies": {
     "@octokit/webhooks-types": "^7.3.1",
     "@tsconfig/node20": "^20.1.2",
-    "@types/jest": "^29.5.11",
     "@types/js-yaml": "^4.0.9",
     "@types/micromatch": "^4.0.2",
     "@types/node": "^20.0.0",
@@ -44,12 +43,9 @@
     "@vercel/ncc": "^0.38.1",
     "eslint": "^8.56.0",
     "eslint-plugin-github": "^4.10.1",
-    "eslint-plugin-jest": "^27.6.3",
-    "jest": "^29.7.0",
-    "jest-circus": "^29.7.0",
     "prettier": "^3.2.4",
-    "ts-jest": "^29.1.2",
-    "typescript": "^5.3.3"
+    "typescript": "^5.3.3",
+    "vitest": "^2.0.5"
   },
   "volta": {
     "node": "20.17.0",