feat: support mocking WebSocket APIs

.gitignore

@@ -16,5 +16,5 @@ msw-*.tgz
 # Smoke test temporary files.
 /package.json.copy
 /examples
-
-tsconfig.vitest-temp.json
+/test/modules/node/node-esm-tests
+tsconfig.vitest-temp.json

package.json

@@ -1,6 +1,6 @@
 {
   "name": "msw",
-  "version": "2.3.0",
+  "version": "2.3.0-ws.rc-6",
   "description": "Seamless REST/GraphQL API mocking library for browser and Node.js.",
   "main": "./lib/core/index.js",
   "module": "./lib/core/index.mjs",
@@ -79,7 +79,7 @@
     "test:node": "vitest run --config=./test/node/vitest.config.ts",
     "test:native": "vitest --config=./test/native/vitest.config.ts",
     "test:browser": "playwright test -c ./test/browser/playwright.config.ts",
-    "test:modules:node": "vitest --config=./test/modules/node/vitest.config.ts",
+    "test:modules:node": "vitest run --config=./test/modules/node/vitest.config.ts",
     "test:modules:browser": "playwright test -c ./test/modules/browser/playwright.config.ts",
     "test:ts": "vitest --typecheck --config=./test/typings/vitest.config.ts",
     "prepare": "pnpm simple-git-hooks init",
@@ -154,6 +154,7 @@
   "devDependencies": {
     "@commitlint/cli": "^18.4.4",
     "@commitlint/config-conventional": "^18.4.4",
+    "@fastify/websocket": "^8.3.1",
     "@open-draft/test-server": "^0.4.2",
     "@ossjs/release": "^0.8.1",
     "@playwright/test": "^1.40.1",
@@ -163,6 +164,7 @@
     "@types/glob": "^8.1.0",
     "@types/json-bigint": "^1.0.4",
     "@types/node": "18.x",
+    "@types/ws": "^8.5.10",
     "@typescript-eslint/eslint-plugin": "^7.2.0",
     "@typescript-eslint/parser": "^7.2.0",
     "@web/dev-server": "^0.1.38",
@@ -178,6 +180,7 @@
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.1.3",
     "express": "^4.18.2",
+    "fastify": "^4.26.0",
     "fs-extra": "^11.2.0",
     "fs-teardown": "^0.3.0",
     "glob": "^10.3.10",