Merge pull request #226787 from JialinXin/patch-16

[WebPubSub] Fix index path

Author: prmerger-automator[bot]

articles/azure-web-pubsub/quickstart-serverless.md

@@ -118,11 +118,7 @@ In this tutorial, you learn how to:
         var path = require('path');
 
         module.exports = function (context, req) {
-            var index = 'index.html';
-            if (process.env["HOME"] != null)
-            {
-                index = path.join(process.env["HOME"], "site", "wwwroot", index);
-            }
+            var index = context.executionContext.functionDirectory + '/../index.html';
             context.log("index.html path: " + index);
             fs.readFile(index, 'utf8', function (err, data) {
                 if (err) {
@@ -145,13 +141,9 @@ In this tutorial, you learn how to:
    - Update `index.cs` and replace `Run` function with following codes.
         ```c#
         [FunctionName("index")]
-        public static IActionResult Run([HttpTrigger(AuthorizationLevel.Anonymous)] HttpRequest req, ILogger log)
+        public static IActionResult Run([HttpTrigger(AuthorizationLevel.Anonymous)] HttpRequest req, ExecutionContext context, ILogger log)
         {
-            string indexFile = "index.html";
-            if (Environment.GetEnvironmentVariable("HOME") != null)
-            {
-                indexFile = Path.Join(Environment.GetEnvironmentVariable("HOME"), "site", "wwwroot", indexFile);
-            }
+            var indexFile = Path.Combine(context.FunctionAppDirectory, "index.html");
             log.LogInformation($"index.html path: {indexFile}.");
             return new ContentResult
             {

articles/azure-web-pubsub/tutorial-serverless-notification.md

@@ -141,11 +141,7 @@ In this tutorial, you learn how to:
         var path = require('path');
 
         module.exports = function (context, req) {
-            var index = 'index.html';
-            if (process.env["HOME"] != null)
-            {
-                index = path.join(process.env["HOME"], "site", "wwwroot", index);
-            }
+            var index = context.executionContext.functionDirectory + '/../index.html';
             context.log("index.html path: " + index);
             fs.readFile(index, 'utf8', function (err, data) {
                 if (err) {
@@ -168,13 +164,9 @@ In this tutorial, you learn how to:
    - Update `index.cs` and replace `Run` function with following codes.
         ```c#
         [FunctionName("index")]
-        public static IActionResult Run([HttpTrigger(AuthorizationLevel.Anonymous)] HttpRequest req, ILogger log)
+        public static IActionResult Run([HttpTrigger(AuthorizationLevel.Anonymous)] HttpRequest req, ExecutionContext context, ILogger log)
         {
-            string indexFile = "index.html";
-            if (Environment.GetEnvironmentVariable("HOME") != null)
-            {
-                indexFile = Path.Join(Environment.GetEnvironmentVariable("HOME"), "site", "wwwroot", indexFile);
-            }
+            var indexFile = Path.Combine(context.FunctionAppDirectory, "index.html");
             log.LogInformation($"index.html path: {indexFile}.");
             return new ContentResult
             {