Fix issue when tsconfig.json has no outfile specified

Fix an issues where neither the tsconfig or the ts file would show the
build command, when no outfile was specified.

Author: Paul van Brenk

Nodejs/Product/Nodejs/Workspace/TsConfigScannerFactory.cs

@@ -42,7 +42,10 @@ protected override async Task<List<FileReferenceInfo>> ComputeFileReferencesAsyn
 
                 var tsconfig = await TsConfigJsonFactory.CreateAsync(filePath);
 
-                Debug.Assert(!string.IsNullOrEmpty(tsconfig?.OutFile), "Should have an outfile specified.");
+                if (string.IsNullOrEmpty(tsconfig.OutFile))
+                {
+                    return new List<FileReferenceInfo>();
+                }
 
                 var tsconfigFolder = Path.GetDirectoryName(filePath);
                 var outFile = Path.Combine(tsconfigFolder, tsconfig.OutFile);
@@ -64,7 +67,15 @@ protected override async Task<List<FileDataValue>> ComputeFileDataValuesAsync(st
 
                 var tsconfig = await TsConfigJsonFactory.CreateAsync(filePath);
 
-                Debug.Assert(!string.IsNullOrEmpty(tsconfig?.OutFile), "Should have an outfile specified.");
+                // Only use the tsconfig.json determine the debug target when there is an outfile specified,
+                // otherwise each .ts file can (in theory) be the entry point.
+                if (string.IsNullOrEmpty(tsconfig.OutFile))
+                {
+                    return new List<FileDataValue> {
+                        new FileDataValue(BuildConfigurationContext.ContextTypeGuid, filePath, null,
+                            context: "Debug", target: null)
+                    };
+                }
 
                 var tsconfigFolder = Path.GetDirectoryName(filePath);
                 var outFile = Path.Combine(tsconfigFolder, tsconfig.OutFile);
@@ -80,8 +91,8 @@ protected override async Task<List<FileDataValue>> ComputeFileDataValuesAsync(st
                     new FileDataValue(
                         DebugLaunchActionContext.ContextTypeGuid,
                         DebugLaunchActionContext.IsDefaultStartupProjectEntry,
-                       launchSettings,
-                       target: outFile),
+                        launchSettings,
+                        target: outFile),
 
                     new FileDataValue(BuildConfigurationContext.ContextTypeGuid, outFile, null,
                         context: "Debug", target: outFile),
@@ -93,17 +104,9 @@ protected override async Task<List<FileDataValue>> ComputeFileDataValuesAsync(st
                 return fileDataValues;
             }
 
-            protected override async Task<bool> IsValidFileAsync(string filePath)
+            protected override Task<bool> IsValidFileAsync(string filePath)
             {
-                // Only use the tsconfig.json determine the debug target when there is an outfile specified,
-                // otherwise each .ts file can (in theory) be the entry point.
-                if (TypeScriptHelpers.IsTsJsConfigJsonFile(filePath))
-                {
-                    var tsconfig = await TsConfigJsonFactory.CreateAsync(filePath);
-                    return !string.IsNullOrEmpty(tsconfig?.OutFile);
-                }
-
-                return false;
+                return Task.FromResult(TypeScriptHelpers.IsTsJsConfigJsonFile(filePath));
             }
         }
     }

Nodejs/Product/Nodejs/Workspace/TypeScriptActionProviderFactory.cs

@@ -96,7 +96,6 @@ public override async Task<IFileContextActionResult> ExecuteAsync(IProgress<IFil
             }
         }
 
-
         private sealed class BuildTsConfigContextAction : BuildFileContextAction, IFileContextAction, IVsCommandItem
         {
             public BuildTsConfigContextAction(string filePath, FileContext fileContext, OutputPaneWrapper outputPane)

Nodejs/Product/Nodejs/Workspace/TypeScriptContextProviderFactory.cs

@@ -2,7 +2,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.NodejsTools.TypeScript;
@@ -47,19 +46,12 @@ public Task<IReadOnlyCollection<FileContext>> GetContextsForFileAsync(string fil
 
             public async Task<IReadOnlyCollection<FileContext>> GetContextsForFileAsync(string filePath, CancellationToken cancellationToken)
             {
-                if (string.IsNullOrEmpty(filePath) || !IsSupportedFile(filePath))
+                if (string.IsNullOrEmpty(filePath) || !(await IsSupportedFileAsync(filePath)))
                 {
                     return FileContext.EmptyFileContexts;
                 }
 
-                var tsconfigJson = await this.workspace.IsContainedByTsConfig(filePath);
-
-                if (tsconfigJson != null)
-                {
-                    return FileContext.EmptyFileContexts;
-                }
-
-                var list = new List<FileContext>
+                return new List<FileContext>
                 {
                     new FileContext(
                         ProviderTypeGuid,
@@ -68,13 +60,26 @@ public async Task<IReadOnlyCollection<FileContext>> GetContextsForFileAsync(stri
                         new[]{ filePath },
                         displayName: "TypeScript Build")
                 };
-
-                return list;
             }
 
-            private static bool IsSupportedFile(string filePath)
+            private async Task<bool> IsSupportedFileAsync(string filePath)
             {
-                return TypeScriptHelpers.IsTypeScriptFile(filePath) || TypeScriptHelpers.IsTsJsConfigJsonFile(filePath);
+                // config files are always good
+                if (TypeScriptHelpers.IsTsJsConfigJsonFile(filePath))
+                {
+                    return true;
+                }
+
+                // TypeScript files should only build when there is no containing config file
+                if (TypeScriptHelpers.IsTypeScriptFile(filePath))
+                {
+                    if (await this.workspace.IsContainedByTsConfig(filePath) == null)
+                    {
+                        return true;
+                    }
+                }
+
+                return false;
             }
         }
     }

Nodejs/Product/Nodejs/Workspace/TypeScriptScannerFactory.cs

@@ -16,7 +16,7 @@ namespace Microsoft.NodejsTools.Workspace
 {
     [ExportFileScanner(
         ProviderType, "TypeScriptFile",
-        new string[] { "*.ts" },
+        new string[] { "*.ts", "*.tsx" },
         new Type[] { typeof(IReadOnlyCollection<FileDataValue>), typeof(IReadOnlyCollection<FileReferenceInfo>) },
         ProviderPriority.Normal)]
     public sealed class TypeScriptScannerFactory : IWorkspaceProviderFactory<IFileScanner>
@@ -113,13 +113,23 @@ private async Task<string> DetermineOutFileAsync(string filePath)
                     var rootDir = Path.GetDirectoryName(tsConfig.FilePath);
                     var relativeTsFile = filePath.Substring(rootDir.Length).TrimStart('\\'); // save since we already know they have the same root
 
-                    return this.workspace.MakeRelative(Path.Combine(rootDir, tsConfig.OutDir, Path.ChangeExtension(relativeTsFile, "js"))); // this works if outdir is null
+                    return this.workspace.MakeRelative(Path.Combine(rootDir, tsConfig.OutDir, ChangeExtension(relativeTsFile))); // this works if outdir is null
                 }
                 else
                 {
-                    return this.workspace.MakeRelative(Path.ChangeExtension(filePath, "js"));
+                    return this.workspace.MakeRelative(ChangeExtension(filePath));
                 }
             }
+
+            private static string ChangeExtension(string filePath)
+            {
+                if(filePath.EndsWith("tsx", StringComparison.OrdinalIgnoreCase))
+                {
+                    return Path.ChangeExtension(filePath, "jsx");
+                }
+
+                return Path.ChangeExtension(filePath, "js");
+            }
         }
     }
 }