feat: support mocking WebSocket APIs (#2011)

Co-authored-by: Daniëlle Huisman <danielle@huisman.me>

.gitignore

@@ -18,5 +18,5 @@ 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

@@ -58,6 +58,12 @@
       "import": "./lib/core/graphql.mjs",
       "default": "./lib/core/graphql.js"
     },
+    "./core/ws": {
+      "types": "./lib/core/ws.d.ts",
+      "require": "./lib/core/ws.js",
+      "import": "./lib/core/ws.mjs",
+      "default": "./lib/core/ws.js"
+    },
     "./mockServiceWorker.js": "./lib/mockServiceWorker.js",
     "./package.json": "./package.json"
   },
@@ -138,6 +144,7 @@
     "@bundled-es-modules/tough-cookie": "^0.1.6",
     "@inquirer/confirm": "^5.0.0",
     "@mswjs/interceptors": "^0.36.5",
+    "@open-draft/deferred-promise": "^2.2.0",
     "@open-draft/until": "^2.1.0",
     "@types/cookie": "^0.6.0",
     "@types/statuses": "^2.0.4",
@@ -154,6 +161,7 @@
   "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": "^1.48.0",
@@ -177,6 +185,7 @@
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.2.1",
     "express": "^5.0.0",
+    "fastify": "^4.26.0",
     "fs-extra": "^11.2.0",
     "fs-teardown": "^0.3.0",
     "glob": "^11.0.0",