docs: use the latest sendgrid npm module (#246)

Author: JustinBeckwith

compute/package.json

@@ -14,11 +14,11 @@
     "test": "mocha --timeout 1200000"
   },
   "dependencies": {
-    "node-fetch": "^2.3.0",
     "@google-cloud/compute": "^0.11.0",
+    "@sendgrid/mail": "^6.3.1",
+    "node-fetch": "^2.3.0",
     "nodemailer": "^4.3.1",
-    "nodemailer-smtp-transport": "^2.7.4",
-    "sendgrid": "^5.2.3"
+    "nodemailer-smtp-transport": "^2.7.4"
   },
   "devDependencies": {
     "chai": "^4.2.0",

compute/sendgrid.js

@@ -14,36 +14,19 @@
 'use strict';
 
 // [START send]
-// This sample is based off of https://www.npmjs.com/package/sendgrid#without-mail-helper-class
-const Sendgrid = require('sendgrid')(
-  process.env.SENDGRID_API_KEY || '<your-sendgrid-api-key>'
-);
+// This sample is based off of:
+// https://github.com/sendgrid/sendgrid-nodejs/tree/master/packages/mail
+const sendgrid = require('@sendgrid/mail');
+sendgrid.setApiKey(process.env.SENDGRID_API_KEY || '<your-sendgrid-api-key>');
 
-async function sendgrid() {
-  const request = Sendgrid.emptyRequest({
-    method: 'POST',
-    path: '/v3/mail/send',
-    body: {
-      personalizations: [
-        {
-          to: [{email: 'to_email@example.com'}],
-          subject: 'Sendgrid test email from Node.js on Google Cloud Platform',
-        },
-      ],
-      from: {email: 'from_email@example.com'},
-      content: [
-        {
-          type: 'text/plain',
-          value:
-            'Hello!\n\nThis a Sendgrid test email from Node.js on Google Cloud Platform.',
-        },
-      ],
-    },
+async function sendgridExample() {
+  await sendgrid.send({
+    to: 'to_email@example.com',
+    from: 'from_email@example.com',
+    subject: 'Sendgrid test email from Node.js on Google Cloud Platform',
+    text:
+      'Well hello! This is a Sendgrid test email from Node.js on Google Cloud Platform.',
   });
-
-  const response = await Sendgrid.API(request);
-  console.log(response);
 }
-sendgrid().catch(console.error);
-
+sendgridExample().catch(console.error);
 // [END send]

compute/test/sendgrid.test.js

@@ -15,40 +15,28 @@
 
 'use strict';
 
-const proxyquire = require(`proxyquire`).noPreserveCache();
-const assert = require('assert');
+const proxyquire = require('proxyquire');
+const {assert} = require('chai');
 
 process.env.SENDGRID_API_KEY = `foo`;
 
 describe('sendgrid', () => {
   it('should send an email', () => {
     proxyquire(`../sendgrid`, {
-      sendgrid: key => {
-        assert.strictEqual(key, `foo`);
-        return {
-          emptyRequest: x => x,
-          API: request => {
-            assert.deepStrictEqual(request, {
-              method: `POST`,
-              path: `/v3/mail/send`,
-              body: {
-                personalizations: [
-                  {
-                    to: [{email: `to_email@example.com`}],
-                    subject: `Sendgrid test email from Node.js on Google Cloud Platform`,
-                  },
-                ],
-                from: {email: `from_email@example.com`},
-                content: [
-                  {
-                    type: `text/plain`,
-                    value: `Hello!\n\nThis a Sendgrid test email from Node.js on Google Cloud Platform.`,
-                  },
-                ],
-              },
-            });
-          },
-        };
+      '@sendgrid/mail': {
+        setApiKey: key => {
+          assert.strictEqual(key, `foo`);
+        },
+        send: msg => {
+          assert.deepStrictEqual(msg, {
+            to: 'to_email@example.com',
+            from: 'from_email@example.com',
+            subject:
+              'Sendgrid test email from Node.js on Google Cloud Platform',
+            text:
+              'Well hello! This is a Sendgrid test email from Node.js on Google Cloud Platform.',
+          });
+        },
       },
     });
   });