App trigger

src/app.ts

@@ -18,6 +18,7 @@ import {
     StorageQueueFunctionOptions,
     TimerFunctionOptions,
     WarmupFunctionOptions,
+    WebPubSubFunctionOptions,
 } from '@azure/functions';
 import { FunctionCallback } from '@azure/functions-core';
 import { toCoreFunctionMetadata } from './converters/toCoreFunctionMetadata';
@@ -135,6 +136,10 @@ export function sql(name: string, options: SqlFunctionOptions): void {
     generic(name, convertToGenericOptions(options, trigger.sql));
 }
 
+export function webPubSub(name: string, options: WebPubSubFunctionOptions): void {
+    generic(name, convertToGenericOptions(options, trigger.webPubSub));
+}
+
 export function generic(name: string, options: GenericFunctionOptions): void {
     if (!hasSetModel) {
         setProgrammingModel();

types/InvocationContext.d.ts

@@ -10,6 +10,7 @@ import { ServiceBusQueueOutput, ServiceBusTopicOutput } from './serviceBus';
 import { SqlInput, SqlOutput } from './sql';
 import { StorageBlobInput, StorageBlobOutput, StorageQueueOutput } from './storage';
 import { TableInput, TableOutput } from './table';
+import { WebPubSubOutput } from './webpubsub';
 
 /**
  * Contains metadata and helper methods specific to this invocation
@@ -216,6 +217,13 @@ export interface InvocationContextExtraOutputs {
      */
     set(output: EventGridOutput, events: EventGridPartialEvent | EventGridPartialEvent[]): void;
 
+    /**
+     * Set a secondary Web PubSub output for this invocation
+     * @output the configuration object for this Web PubSub output
+     * @message the output message(s) value
+     */
+    set(output: WebPubSubOutput, messages: unknown): void;
+
     /**
      * Set a secondary generic output for this invocation
      * @outputOrName the configuration object or name for this output

types/app.d.ts

@@ -12,6 +12,7 @@ import { SqlFunctionOptions } from './sql';
 import { StorageBlobFunctionOptions, StorageQueueFunctionOptions } from './storage';
 import { TimerFunctionOptions } from './timer';
 import { WarmupFunctionOptions } from './warmup';
+import { WebPubSubFunctionOptions } from './webpubsub';
 
 /**
  * Optional method to configure the behavior of your app.
@@ -180,4 +181,11 @@ export function sql(name: string, options: SqlFunctionOptions): void;
  */
 export function generic(name: string, options: GenericFunctionOptions): void;
 
+/**
+ * Registers a WebPubSub function in your app that will be triggered by WebPubSub events
+ * @param name The name of the function. The name must be unique within your app and will mostly be used for your own tracking purposes
+ * @param options Configuration options describing the inputs, outputs, and handler for this function
+ */
+export function webPubSub(name: string, options: WebPubSubFunctionOptions): void;
+
 export * as hook from './hooks/registerHook';

types/webpubsub.d.ts

@@ -1,7 +1,16 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the MIT License.
 
-import { FunctionInput, FunctionOutput, FunctionTrigger } from './index';
+import { FunctionInput, FunctionOptions, FunctionOutput, FunctionResult, FunctionTrigger } from './index';
+import { InvocationContext } from './InvocationContext';
+
+export type WebPubSubHandler = (message: unknown, context: InvocationContext) => FunctionResult;
+
+export interface WebPubSubFunctionOptions extends WebPubSubTriggerOptions, Partial<FunctionOptions> {
+    handler: WebPubSubHandler;
+
+    trigger?: WebPubSubTrigger;
+}
 
 export interface WebPubSubTriggerOptions {
     /**
@@ -42,13 +51,14 @@ export interface WebPubSubTriggerOptions {
      */
     connection?: string | null;
 }
+
 export type WebPubSubTrigger = FunctionTrigger & WebPubSubTriggerOptions;
 
 export interface WebPubSubConnectionInputOptions {
     /**
      * Required - Variable name used in function code for input connection binding object.
      */
-    name?: string;
+    name: string;
 
     /**
      * Required - The name of the Web PubSub hub for the function to be triggered.