Replace Jest with Vitest (#372)

MetaMask · Sep 23, 2024 · cce1f4b · cce1f4b
1 parent 213d802
commit cce1f4b
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Showing 27 changed files with 1,236 additions and 979 deletions.
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -20,5 +20,19 @@ module.exports = {
     'n/no-unpublished-require': 'off',
   },
 
+  overrides: [
+    {
+      files: ['**/*.test.js'],
+      parserOptions: {
+        sourceType: 'module',
+        ecmaVersion: 2022,
+      },
+
+      rules: {
+        'no-shadow': 'off',
+      },
+    },
+  ],
+
   ignorePatterns: ['!.eslintrc.js'],
 };
diff --git a/jest.config.js b/jest.config.js
diff --git a/package.json b/package.json
@@ -17,7 +17,7 @@
     "lint:eslint": "yarn eslint . --ext ts,js",
     "lint:fix": "yarn lint:eslint --fix && yarn lint:misc --write && yarn lint:config-validation --write",
     "lint:misc": "prettier '**/*.json' '!**/rules-snapshot.json' '**/*.md' '!**/CHANGELOG.md' '**/*.yml' '!.yarnrc.yml' --ignore-path .gitignore",
-    "test": "jest"
+    "test": "vitest"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.0.2",
@@ -27,7 +27,6 @@
     "@metamask/eslint-config": "^13.0.0",
     "@metamask/eslint-config-nodejs": "^13.0.0",
     "@metamask/utils": "^9.1.0",
-    "@types/jest": "^29.5.12",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-import-x": "^0.5.1",
@@ -37,17 +36,19 @@
     "eslint-plugin-prettier": "^4.2.1",
     "fast-deep-equal": "^3.1.3",
     "globals": "^15.0.0",
-    "jest": "^29.7.0",
     "prettier": "^2.7.1",
-    "prettier-plugin-packagejson": "^2.2.18"
+    "prettier-plugin-packagejson": "^2.2.18",
+    "vite": "^5.4.7",
+    "vitest": "^2.1.1"
   },
   "packageManager": "yarn@3.2.4",
   "engines": {
     "node": "^18.18 || >=20"
   },
   "lavamoat": {
     "allowScripts": {
-      "@lavamoat/preinstall-always-fail": false
+      "@lavamoat/preinstall-always-fail": false,
+      "vite>esbuild": true
     }
   }
 }
diff --git a/packages/base/jest.config.js b/packages/base/jest.config.js
diff --git a/packages/base/package.json b/packages/base/package.json
@@ -29,7 +29,8 @@
     "eslint-plugin-jsdoc": "^47.0.2",
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-promise": "^6.1.1",
-    "prettier": "^2.7.1"
+    "prettier": "^2.7.1",
+    "vitest": "^2.1.1"
   },
   "peerDependencies": {
     "eslint": "^8.57.0",

diff --git a/packages/base/src/index.test.js b/packages/base/src/index.test.js
@@ -1,6 +1,7 @@
-const { ESLint } = require('eslint');
+import { ESLint } from 'eslint';
+import { describe, it, expect } from 'vitest';
 
-const config = require('.');
+import config from '.';
 
 describe('index', () => {
   it('is a valid ESLint config', async () => {

diff --git a/packages/browser/jest.config.js b/packages/browser/jest.config.js
diff --git a/packages/browser/package.json b/packages/browser/package.json
@@ -28,7 +28,8 @@
     "eslint-plugin-import-x": "^0.5.1",
     "eslint-plugin-jsdoc": "^47.0.2",
     "eslint-plugin-prettier": "^4.2.1",
-    "prettier": "^2.7.1"
+    "prettier": "^2.7.1",
+    "vitest": "^2.1.1"
   },
   "peerDependencies": {
     "@metamask/eslint-config": "^13.0.0",

diff --git a/packages/browser/src/index.test.js b/packages/browser/src/index.test.js
@@ -1,6 +1,7 @@
-const { ESLint } = require('eslint');
+import { ESLint } from 'eslint';
+import { describe, it, expect } from 'vitest';
 
-const config = require('.');
+import config from '.';
 
 describe('index', () => {
   it('is a valid ESLint config', async () => {

diff --git a/packages/commonjs/jest.config.js b/packages/commonjs/jest.config.js
diff --git a/packages/commonjs/package.json b/packages/commonjs/package.json
@@ -28,7 +28,8 @@
     "eslint-plugin-import-x": "^0.5.1",
     "eslint-plugin-jsdoc": "^47.0.2",
     "eslint-plugin-prettier": "^4.2.1",
-    "prettier": "^2.7.1"
+    "prettier": "^2.7.1",
+    "vitest": "^2.1.1"
   },
   "peerDependencies": {
     "@metamask/eslint-config": "^13.0.0",

diff --git a/packages/commonjs/src/index.test.js b/packages/commonjs/src/index.test.js
@@ -1,6 +1,7 @@
-const { ESLint } = require('eslint');
+import { ESLint } from 'eslint';
+import { describe, it, expect } from 'vitest';
 
-const config = require('.');
+import config from '.';
 
 describe('index', () => {
   it('is a valid ESLint config', async () => {

diff --git a/packages/jest/jest.config.js b/packages/jest/jest.config.js
diff --git a/packages/jest/package.json b/packages/jest/package.json
@@ -30,7 +30,9 @@
     "eslint-plugin-jest": "^27.9.0",
     "eslint-plugin-jsdoc": "^47.0.2",
     "eslint-plugin-prettier": "^4.2.1",
-    "prettier": "^2.7.1"
+    "jest": "^29.7.0",
+    "prettier": "^2.7.1",
+    "vitest": "^2.1.1"
   },
   "peerDependencies": {
     "@metamask/eslint-config": "^13.0.0",

diff --git a/packages/jest/src/index.test.js b/packages/jest/src/index.test.js
@@ -1,6 +1,7 @@
-const { ESLint } = require('eslint');
+import { ESLint } from 'eslint';
+import { describe, it, expect } from 'vitest';
 
-const config = require('.');
+import config from '.';
 
 describe('index', () => {
   it('is a valid ESLint config', async () => {

diff --git a/packages/mocha/jest.config.js b/packages/mocha/jest.config.js
diff --git a/packages/mocha/package.json b/packages/mocha/package.json
@@ -30,7 +30,8 @@
     "eslint-plugin-jsdoc": "^47.0.2",
     "eslint-plugin-mocha": "^10.4.1",
     "eslint-plugin-prettier": "^4.2.1",
-    "prettier": "^2.7.1"
+    "prettier": "^2.7.1",
+    "vitest": "^2.1.1"
   },
   "peerDependencies": {
     "@metamask/eslint-config": "^13.0.0",

diff --git a/packages/mocha/src/index.test.js b/packages/mocha/src/index.test.js
@@ -1,6 +1,7 @@
-const { ESLint } = require('eslint');
+import { ESLint } from 'eslint';
+import { describe, it, expect } from 'vitest';
 
-const config = require('.');
+import config from '.';
 
 describe('index', () => {
   it('is a valid ESLint config', async () => {

diff --git a/packages/nodejs/jest.config.js b/packages/nodejs/jest.config.js