Add a JavaScript sample to demonstrate SignalR Trigger

samples/bidirectional-chat/js/Function/.funcignore

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+*.js.map
+*.ts
+.git*
+.vscode
+local.settings.json
+test
+tsconfig.json

samples/bidirectional-chat/js/Function/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TypeScript output
+dist
+out
+
+# Azure Functions artifacts
+bin
+obj
+appsettings.json
+local.settings.json

samples/bidirectional-chat/js/Function/broadcast/function.json

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+{
+  "disabled": false,
+  "bindings": [
+    {
+      "type": "signalRTrigger",
+      "direction": "in",
+      "name": "invocation",
+      "hubName": "simplechat",
+      "category": "messages",
+      "event": "broadcast",
+      "parameterNames": [
+        "message"
+      ]
+    },
+    {
+      "type": "signalR",
+      "direction": "out",
+      "name": "signalRMessages",
+      "hubName": "simplechat"
+    }
+  ]
+}

samples/bidirectional-chat/js/Function/broadcast/index.js

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+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+module.exports = function (context, invocation) {
+    context.bindings.signalRMessages = [{
+      "target": "newMessage",
+      "arguments": [{ 
+        "connectionId": invocation.ConnectionId,
+        "sender": invocation.UserId,
+        "text": context.bindingData.message 
+      }]
+    }];
+    context.done();
+  };

samples/bidirectional-chat/js/Function/connect/function.json

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+{
+  "bindings": [
+    {
+      "type": "signalRTrigger",
+      "direction": "in",
+      "name": "invocation",
+      "hubName": "simplechat",
+      "category": "connections",
+      "event": "connect"
+    },
+    {
+      "type": "signalR",
+      "direction": "out",
+      "name": "signalRMessages",
+      "hubName": "simplechat"
+    }
+  ]
+}

samples/bidirectional-chat/js/Function/connect/index.js

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+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+module.exports = function (context, invocation) {
+    context.bindings.signalRMessages = [{
+      "target": "newConnection",
+      "arguments": [ { "connectionId": invocation.ConnectionId } ]
+    }];
+    context.done();
+  };

samples/bidirectional-chat/js/Function/extensions.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+	<WarningsAsErrors></WarningsAsErrors>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\src\SignalRServiceExtension\Microsoft.Azure.WebJobs.Extensions.SignalRService.csproj" />
+    <PackageReference Include="Microsoft.Azure.WebJobs.Script.ExtensionsMetadataGenerator" Version="1.0.0" />
+  </ItemGroup>
+</Project>

samples/bidirectional-chat/js/Function/host.json

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+{
+  "version": "2.0"
+}

samples/bidirectional-chat/js/Function/local.settings.sample.json

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+{
+  "IsEncrypted": false,
+  "Values": {
+    "AzureWebJobsStorage": "",
+    "AzureWebJobsDashboard": "",
+    "FUNCTIONS_WORKER_RUNTIME": "node",
+    "AzureSignalRConnectionString": "",
+    "AzureSignalRServiceTransportType": "Transient"
+  },
+  "Host": {
+    "LocalHttpPort": 7071,
+    "CORS": "http://localhost:5500",
+    "CORSCredentials": true 
+  }
+}

samples/bidirectional-chat/js/Function/negotiate/function.json

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+{
+  "disabled": false,
+  "bindings": [
+    {
+      "authLevel": "anonymous",
+      "type": "httpTrigger",
+      "direction": "in",
+      "name": "req"
+    },
+    {
+      "type": "http",
+      "direction": "out",
+      "name": "res"
+    },
+    {
+      "type": "signalRConnectionInfo",
+      "name": "connectionInfo",
+      "userId": "{headers.x-ms-signalr-userid}",
+      "hubName": "simplechat",
+      "direction": "in"
+    }
+  ]
+}

samples/bidirectional-chat/js/Function/negotiate/index.js

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+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+module.exports = function (context, req, connectionInfo) {
+    context.res = { body: connectionInfo };
+    context.done();
+  };

samples/bidirectional-chat/js/Function/package.json

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+{
+  "name": "js",
+  "version": "1.0.0",
+  "description": "",
+  "scripts": {
+    "start": "func start",
+    "test": "echo \"No tests yet...\""
+  },
+  "dependencies": {},
+  "devDependencies": {}
+}

samples/bidirectional-chat/js/Function/proxies.json

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+{
+  "$schema": "http://json.schemastore.org/proxies",
+  "proxies": {}
+}