add watch mode

Author: bahmutov

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
 
       - name: Run tests 🧪
         # https://github.com/cypress-io/github-action
-        uses: cypress-io/github-action@v4
+        uses: cypress-io/github-action@v5
         with:
           build: npm test
           start: npm start
@@ -18,7 +18,7 @@ jobs:
         run: git checkout ./cypress/fixtures/data.json
 
       - name: Run JSON server tests 🧪
-        uses: cypress-io/github-action@v4
+        uses: cypress-io/github-action@v5
         with:
           # we have already installed all dependencies above
           install: false

cypress/fixtures/example-server.js

@@ -7,6 +7,9 @@ const dataFilename = path.join(__dirname, 'data.json')
 // create json server and its router first
 const server = jsonServer.create()
 const router = jsonServer.router(dataFilename)
+
+console.log('db', router.db.getState())
+
 server.use(
   jsonServer.defaults({
     bodyParser: true,

package.json

@@ -41,6 +41,7 @@
     "cy:open:4000": "cypress open --config baseUrl=http://localhost:4000",
     "start": "json-server cypress/fixtures/data.json --middlewares ./src/index.js --middlewares ./src/merge",
     "start:server": "node ./cypress/fixtures/example-server",
+    "watch:server": "node --watch ./cypress/fixtures/example-server",
     "e2e": "start-server-and-test 3000 cy:run",
     "dev": "start-server-and-test 3000 cy:open",
     "dev2": "start-test start:server 4000 cy:open:4000",