added helloWorldPubSub cloud function

Author: amsokol

.vscode/settings.json

@@ -7,7 +7,8 @@
         "tslib",
         "downlevel",
         "typechecking",
-        "linebreak"
+        "linebreak",
+        "Pubsub"
     ],
     "terminal.integrated.shell.windows": "C:\\Windows\\System32\\cmd.exe",
     "cSpell.enabled": true,

google-cloud.d.ts

@@ -0,0 +1,53 @@
+declare namespace GoogleCloudPlatform {
+
+    export namespace CloudFunctions {
+        export interface PubsubEvent {
+            eventId: string
+            timestamp: string // ISO 8601
+            eventType: string
+            resource: string
+            data: PubSub.PubsubMessage
+        }
+
+        type Callback = () => void;
+    }
+
+    // From v.0.13.1
+    // https://www.npmjs.com/package/@google-cloud/pubsub
+    export namespace PubSub {
+        /**
+         * A message data and its attributes. The message payload must not be empty;
+         * it must contain either a non-empty data field, or at least one attribute.
+         *
+         * @property {string} data
+         *   The message payload.
+         *
+         * @property {Object.<string, string>} attributes
+         *   Optional attributes for this message.
+         *
+         * @property {string} messageId
+         *   ID of this message, assigned by the server when the message is published.
+         *   Guaranteed to be unique within the topic. This value may be read by a
+         *   subscriber that receives a `PubsubMessage` via a `Pull` call or a push
+         *   delivery. It must not be populated by the publisher in a `Publish` call.
+         *
+         * @property {Object} publishTime
+         *   The time at which the message was published, populated by the server when
+         *   it receives the `Publish` call. It must not be populated by the
+         *   publisher in a `Publish` call.
+         *
+         *   This object should have the same structure as [google.protobuf.Timestamp]{@link external:"google.protobuf.Timestamp"}
+         *   Example: "2017-07-17T07:35:53.742Z"
+         *
+         * @class
+         * @see [google.pubsub.v1.PubsubMessage definition in proto format]{@link https://github.com/googleapis/googleapis/blob/master/google/pubsub/v1/pubsub.proto}
+         */
+        export interface PubsubMessage {
+            data?: string
+            attributes: { [key: string]: string; }
+            messageId: string
+            publishTime: string
+        }
+    }
+
+}

index.js

@@ -1,20 +1,18 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-var settings = require("./settings.json");
-console.log(settings);
-function helloWorld(req, res) {
+const settings = require("./settings.json");
+console.log("Function settings: " + settings);
+function helloWorldHTTP(req, res) {
     console.log(req);
-    /*
-    res
-        .status(200)
-        .type('application/json')
-        .send(settings)
-        .end()
-    */
     res
         .status(200)
         .type("application/json")
         .send("{ \"result\": \"Hello World!\"}")
         .end();
 }
-exports.helloWorld = helloWorld;
+exports.helloWorldHTTP = helloWorldHTTP;
+function helloWorldPubSub(event, callback) {
+    console.log("Hello World! I have got event: ", event);
+    callback();
+}
+exports.helloWorldPubSub = helloWorldPubSub;

index.ts

@@ -1,23 +1,23 @@
-import * as express from "express"
+import {Request, Response} from "express"
+
+import PubsubEvent = GoogleCloudPlatform.CloudFunctions.PubsubEvent
+import Callback = GoogleCloudPlatform.CloudFunctions.Callback
 
 import * as settings from "./settings.json"
 
-console.log(settings)
+console.log("Function settings: " + settings)
 
-export function helloWorld(req: express.Request, res: express.Response) {
+export function helloWorldHTTP(req: Request, res: Response) {
     console.log(req)
 
-    /*
-    res
-        .status(200)
-        .type('application/json')
-        .send(settings)
-        .end()
-    */
-
     res
         .status(200)
         .type("application/json")
         .send("{ \"result\": \"Hello World!\"}")
         .end()
 }
+
+export function helloWorldPubSub(event: PubsubEvent, callback: Callback) {
+    console.log("Hello World! I have got event: ", event)
+    callback()
+}

package.json

@@ -4,15 +4,15 @@
   "description": "Google Cloud Functions TypeScript starter project",
   "main": "index.js",
   "scripts": {
-    "deploy-local": "tsc && functions deploy helloWorld --trigger-http",
-    "package-zip(windows)": "powershell Compress-Archive -Force -LiteralPath index.js, package.json, settings.json -DestinationPath helloWorld.zip",
-    "package-zip(linux)": "zip helloWorld.zip index.js package.json settings.json"
+    "deploy-local": "tsc && functions deploy helloWorldHTTP --trigger-http",
+    "package-zip(windows)": "tsc && powershell Compress-Archive -Force -LiteralPath index.js, package.json, settings.json -DestinationPath helloWorld.zip",
+    "package-zip(linux)": "tsc && zip helloWorld.zip index.js package.json settings.json"
   },
   "author": "Aleksandr Sokolovskii",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/node": "^6.0.0",
-    "@types/express": "^4.0.0"
+    "@types/express": "^4.0.0",
+    "@types/node": "^6.0.0"
   },
   "repository": {
     "type": "git",

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     /* Basic Options */
-    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
+    "target": "es6",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */
     "module": "commonjs",                     /* Specify module code generation: 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
     // "lib": [],                             /* Specify library files to be included in the compilation:  */
     "allowJs": true,                       /* Allow javascript files to be compiled. */