Migrate to vitest

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+# Global code owner - all files require review
+* @sumolari

.github/dependabot.yml

@@ -3,6 +3,19 @@ updates:
   - package-ecosystem: 'npm'
     directory: '/'
     schedule:
-      interval: 'daily'
+      interval: 'weekly'
+      day: 'monday'
+      time: '05:00'
+      timezone: 'Europe/Madrid'
     assignees:
-      - 'Sumolari'
+      - 'sumolari'
+    reviewers:
+      - 'sumolari'
+    open-pull-requests-limit: 0
+    commit-message:
+      prefix: 'chore'
+      prefix-development: 'chore'
+      include: 'scope'
+    labels:
+      - 'dependencies'
+    rebase-strategy: 'auto'

.github/workflows/test.yml

@@ -6,16 +6,14 @@ on:
       - main
 
 jobs:
-  build: # make sure build/ci work properly
+  build:
     runs-on: ubuntu-latest
     timeout-minutes: 2
     steps:
       - uses: actions/checkout@v2
-      - run: |
-          yarn --frozen-lockfile
-      - run: |
-          yarn build
-  test: # make sure the action works on a clean machine without building
+      - run: yarn --frozen-lockfile
+      - run: yarn build
+  test:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
@@ -28,18 +26,12 @@ jobs:
           fetch-depth: 0
       - name: Install dependencies
         run: yarn --frozen-lockfile
-      - name: Run linter
+      - name: Run linter and formatter
         run: yarn lint
-      - name: Run check format
-        run: yarn format-check
       - name: Run tests
-        run: yarn test --detectOpenHandles --forceExit
-      - name: Upload coverage
-        uses: caffco/code-climate-github-action@v0.0.1-alpha.5
-        env:
-          CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+        run: yarn test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
         with:
-          repository_root_path: ${{github.workspace}}
-          collect_coverage: 'true'
-          coverage_file_patterns: |
-            coverage/lcov.info:lcov
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage/lcov.info

.husky/pre-commit

@@ -0,0 +1 @@
+lint-staged

.lintstagedrc

@@ -1,4 +1,3 @@
 {
-  "*.(ts)": ["eslint"],
-  "*": ["prettier --write"]
+  "*.ts": ["biome check --write --no-errors-on-unmatched"]
 }

biome.json

@@ -0,0 +1,56 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.1.2/schema.json",
+  "vcs": {
+    "enabled": false,
+    "clientKind": "git",
+    "useIgnoreFile": false
+  },
+  "files": {
+    "ignoreUnknown": true,
+    "includes": ["**/*.ts"]
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 100
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "style": "error",
+      "correctness": {
+        "recommended": true,
+        "noNodejsModules": "off"
+      }
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single",
+      "semicolons": "always",
+      "trailingCommas": "all"
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  },
+  "overrides": [
+    {
+      "includes": ["vitest.config.ts"],
+      "linter": {
+        "rules": {
+          "style": {
+            "noDefaultExport": "off"
+          }
+        }
+      }
+    }
+  ]
+}

codecov.yml

@@ -0,0 +1,20 @@
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+        base: auto
+    patch:
+      default:
+        target: auto
+        threshold: 1%
+        base: auto
+
+comment:
+  layout: "reach,diff,flags,tree,reach"
+  behavior: default
+  require_changes: false
+
+github_checks:
+  annotations: true

example/server.ts

@@ -1,9 +1,8 @@
-import fs from 'fs';
-import path from 'path';
-
+import fs from 'node:fs';
+import path from 'node:path';
 import Koa from 'koa';
 
-import { IO } from '../src';
+import { IO } from '../src/index.ts';
 
 const app = new Koa();
 const io = new IO<
@@ -24,7 +23,7 @@
 app.use(async (ctx, next) => {
   const start = new Date();
   await next();
-  const ms = new Date().getTime() - start.getTime();
+  const ms = Date.now() - start.getTime();
   console.log(`${ctx.method} ${ctx.url} - ${ms}ms`);
 });
 
@@ -39,11 +38,11 @@
 /**
  * Socket middlewares
  */
-io.use(async (ctx, next) => {
+io.use(async (_ctx, next) => {
   console.log('Socket middleware');
-  const start = new Date().getTime();
+  const start = Date.now();
   await next();
-  const ms = new Date().getTime() - start;
+  const ms = Date.now() - start;
   console.log(`WS ${ms}ms`);
 });
 
@@ -83,7 +82,7 @@
   ctx.acknowledge('received');
 });
 
-io.on('numConnections', async (packet) => {
+io.on('numConnections', async (_packet) => {
   console.log(`Number of connections: ${io.connections.size}`);
 });
 
@@ -98,7 +97,7 @@
   console.log('chat message received', ctx.data);
 
   // Broadcasts to everybody, including this connection
-  ((app as unknown) as { chat: typeof io }).chat.broadcast('message', 'yo connections, lets chat');
+  (app as unknown as { chat: typeof io }).chat.broadcast('message', 'yo connections, lets chat');
 
   // Broadcasts to all other connections
   ctx.socket.broadcast.emit('message', 'ok connections:chat:broadcast');
@@ -109,9 +108,9 @@
 
 chat.use(async (ctx, next) => {
   ctx.teststring = 'chattest';
-  console.log(`ctx.socket =>`);
+  console.log('ctx.socket =>');
   console.dir(ctx.socket, { colors: true, depth: 2 });
-  console.log(`ctx.socket.nsp =>`, ctx.socket.nsp);
+  console.log('ctx.socket.nsp =>', ctx.socket.nsp);
   await next();
 });
 

package.json

@@ -14,12 +14,13 @@
     "build": "run-s build:clean build:tsc",
     "build:clean": "rm -rf dist",
     "build:tsc": "tsc",
-    "format": "prettier --write **/*.ts",
-    "format-check": "prettier --check **/*.ts",
-    "lint": "eslint .",
-    "test": "jest $JEST_ARGS",
-    "prepublishOnly": "JEST_ARGS=--forceExit run-s format lint test build",
-    "example": "ts-node example/server"
+    "format": "biome format --write .",
+    "lint": "biome check .",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "prepublishOnly": "run-s format lint test build",
+    "example": "ts-node example/server",
+    "prepare": "husky"
   },
   "keywords": [
     "koa",
@@ -38,42 +39,27 @@
   "repository": "caffco/koa-socket.io",
   "author": "Lluís Ulzurrun de Asanza i Sàez (Originally: Aaron Belovsky and Matt Styles)",
   "license": "MIT",
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged"
-    }
-  },
   "dependencies": {
-    "socket.io": "^4.4.1",
-    "koa-compose": "^4.1.0"
+    "koa-compose": "^4.1.0",
+    "socket.io": "^4.4.1"
   },
   "devDependencies": {
+    "@biomejs/biome": "^2.1.2",
     "@changesets/cli": "^2.13.0",
-    "@types/cookie": "^1.0.0",
     "@types/cors": "^2.8.10",
-    "@types/jest": "^27.0.0",
     "@types/koa": "^2.11.6",
     "@types/koa-compose": "^3.2.5",
-    "@types/node": "^15.0.0",
-    "@types/socket.io": "^3.0.2",
-    "@types/socket.io-client": "^3.0.0",
-    "@typescript-eslint/eslint-plugin": "^4.14.0",
-    "@typescript-eslint/parser": "^4.14.0",
-    "eslint": "^7.18.0",
-    "eslint-config-standard": "^16.0.2",
-    "eslint-plugin-import": "^2.25.4",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-promise": "^5.1.0",
-    "husky": "^4.3.8",
-    "jest": "^26.6.3",
-    "jest-circus": "^27.0.1",
+    "@types/node": "^24.1.0",
+    "@vitest/coverage-v8": "^3.2.4",
+    "@vitest/ui": "^3.2.4",
+    "husky": "^9.1.7",
+    "jsdom": "^26.1.0",
     "koa": "^3.0.0",
     "lint-staged": "^16.0.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^2.2.1",
     "socket.io-client": "^4.0.0",
-    "ts-jest": "^26.4.4",
     "ts-node": "^10.0.0",
-    "typescript": "^4.1.3"
+    "typescript": "^5.8.3",
+    "vitest": "^3.2.4"
   }
 }