Stop create-react-app from opening an extra browser tab (pointed to the wrong port)

SteveSandersonMS · SteveSandersonMS · commit aeabbdcada68 · 2017-11-13T12:51:18.000Z
diff --git a/src/Microsoft.AspNetCore.SpaServices.Extensions/ReactDevelopmentServer/ReactDevelopmentServerMiddleware.cs b/src/Microsoft.AspNetCore.SpaServices.Extensions/ReactDevelopmentServer/ReactDevelopmentServerMiddleware.cs
@@ -59,7 +59,8 @@ private static async Task<int> StartCreateReactAppServerAsync(
 
             var envVars = new Dictionary<string, string>
             {
-                { "PORT", portNumber.ToString() }
+                { "PORT", portNumber.ToString() },
+                { "BROWSER", "none" }, // We don't want create-react-app to open its own extra browser window pointing to the internal dev server port
             };
             var npmScriptRunner = new NpmScriptRunner(
                 sourcePath, npmScriptName, null, envVars);

Original file line number	Diff line number	Diff line change
`@@ -59,7 +59,8 @@ private static async Task<int> StartCreateReactAppServerAsync(`
`59`	`59`
`60`	`60`	`var envVars = new Dictionary<string, string>`
`61`	`61`	`{`
`62`		`- { "PORT", portNumber.ToString() }`
	`62`	`+ { "PORT", portNumber.ToString() },`
	`63`	`+ { "BROWSER", "none" }, // We don't want create-react-app to open its own extra browser window pointing to the internal dev server port`
`63`	`64`	`};`
`64`	`65`	`var npmScriptRunner = new NpmScriptRunner(`
`65`	`66`	`sourcePath, npmScriptName, null, envVars);`