fix: updating node-example-npm & node-example-yarn to use esm and cha…

…i to v5

node-example-npm/README.md

@@ -1,3 +1,4 @@
 # node-example-npm
+
 Code examples used in Building Node.js applications using Cloud Build
 https://cloud.google.com/build/docs/building/build-nodejs

node-example-npm/cloudbuild.yaml

@@ -14,16 +14,16 @@
 
 # [START cloudbuild_npm_node]
 steps:
-# Install dependencies
-- name: node
-  entrypoint: npm
-  args: ['install']
-# Run tests
-- name: node
-  entrypoint: npm
-  args: ['test']
-# Run custom commands
-- name: node
-  entrypoint: npm
-  args: ['run', 'build']
-# [END cloudbuild_npm_node]
+  # Install dependencies
+  - name: node
+    entrypoint: npm
+    args: ["install"]
+  # Run tests
+  - name: node
+    entrypoint: npm
+    args: ["test"]
+  # Run custom commands
+  - name: node
+    entrypoint: npm
+    args: ["run", "build"]
+# [END cloudbuild_npm_node]

node-example-npm/index.js

@@ -14,17 +14,17 @@
  * limitations under the License.
  */
 
- const express = require('express');
+import express from "express";
 
 const app = express();
 
-app.get('/', (req, res) => {
-        res.send('Hello World!');
-    });
+app.get("/", (req, res) => {
+  res.send("Hello World!");
+});
 
 const port = 3000;
 const server = app.listen(port, () => {
-        console.log('listening on port %s.\n', server.address().port);
-    });
+  console.log("listening on port %s.\n", server.address().port);
+});
 
-module.exports = app;
+export default app;