Update NpmPackagesUpdater.cs

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs

@@ -55,7 +55,14 @@ namespace Volo.Abp.Cli.ProjectModification
 
                     if (IsAngularProject(fileDirectory))
                     {
-                        await CreateNpmrcFileAsync(Path.GetDirectoryName(file));
+                        if (includePreviews)
+                        {
+                            await CreateNpmrcFileAsync(Path.GetDirectoryName(file));
+                        }
+                        else if (switchToStable)
+                        {
+                            await DeleteNpmrcFileAsync(Path.GetDirectoryName(file));
+                        }
                     }
 
                     RunYarn(fileDirectory);
@@ -69,11 +76,21 @@ namespace Volo.Abp.Cli.ProjectModification
             }
         }
 
+        private async Task DeleteNpmrcFileAsync(string directoryName)
+        {
+            var fileName = Path.Combine(directoryName, ".npmrc");
+
+            if (File.Exists(fileName))
+            {
+                File.Delete(fileName);
+            }
+        }
+
         private async Task CreateNpmrcFileAsync(string directoryName)
         {
             var fileName = Path.Combine(directoryName, ".npmrc");
 
-            var abpRegistry = "@abp:registry:https://www.myget.org/F/abp-nightly/npm";
+            var abpRegistry = "@abp:registry=https://www.myget.org/F/abp-nightly/npm";
             var voloRegistry = await GetVoloRegistryAsync();
 
             if (File.Exists(fileName))