When tsc --build --clean, only remove tsbuildinfo if its incremental build

Author: sheetalkamat

src/compiler/tsbuildPublic.ts

@@ -2033,21 +2033,19 @@ namespace ts {
                 reportParseConfigFileDiagnostic(state, resolvedPath);
                 continue;
             }
+            const buildInfoPath = getTsBuildInfoEmitOutputFilePath(parsed.options);
+            if (buildInfoPath) {
+                // Only delete buildInfo as thats sufficient
+                removeOutput(buildInfoPath, resolvedPath);
+                continue;
+            }
             const outputs = getAllProjectOutputs(parsed, !host.useCaseSensitiveFileNames());
             if (!outputs.length) continue;
             const inputFileNames = new Set(parsed.fileNames.map(f => toPath(state, f)));
             for (const output of outputs) {
                 // If output name is same as input file name, do not delete and ignore the error
                 if (inputFileNames.has(toPath(state, output))) continue;
-                if (host.fileExists(output)) {
-                    if (filesToDelete) {
-                        filesToDelete.push(output);
-                    }
-                    else {
-                        host.deleteFile(output);
-                        invalidateProject(state, resolvedPath, ConfigFileProgramReloadLevel.None);
-                    }
-                }
+                removeOutput(output, resolvedPath);
             }
         }
 
@@ -2056,6 +2054,18 @@ namespace ts {
         }
 
         return ExitStatus.Success;
+
+        function removeOutput(output: string, resolvedPath: ResolvedConfigFilePath) {
+            if (host.fileExists(output)) {
+                if (filesToDelete) {
+                    filesToDelete.push(output);
+                }
+                else {
+                    host.deleteFile(output);
+                    invalidateProject(state, resolvedPath, ConfigFileProgramReloadLevel.None);
+                }
+            }
+        }
     }
 
     function invalidateProject(state: SolutionBuilderState, resolved: ResolvedConfigFilePath, reloadLevel: ConfigFileProgramReloadLevel) {

tests/baselines/reference/tsbuild/outFile/clean-projects.js

@@ -596,20 +596,8 @@ Output::
 exitCode:: ExitStatus.Success
 
 
-//// [/src/2/second-output.d.ts] unlink
-//// [/src/2/second-output.d.ts.map] unlink
-//// [/src/2/second-output.js] unlink
-//// [/src/2/second-output.js.map] unlink
 //// [/src/2/second-output.tsbuildinfo] unlink
-//// [/src/first/bin/first-output.d.ts] unlink
-//// [/src/first/bin/first-output.d.ts.map] unlink
-//// [/src/first/bin/first-output.js] unlink
-//// [/src/first/bin/first-output.js.map] unlink
 //// [/src/first/bin/first-output.tsbuildinfo] unlink
-//// [/src/third/thirdjs/output/third-output.d.ts] unlink
-//// [/src/third/thirdjs/output/third-output.d.ts.map] unlink
-//// [/src/third/thirdjs/output/third-output.js] unlink
-//// [/src/third/thirdjs/output/third-output.js.map] unlink
 //// [/src/third/thirdjs/output/third-output.tsbuildinfo] unlink
 
 

tests/baselines/reference/tsbuild/outFile/cleans-till-project-specified.js

@@ -596,8 +596,4 @@ Output::
 exitCode:: ExitStatus.Success
 
 
-//// [/src/2/second-output.d.ts] unlink
-//// [/src/2/second-output.d.ts.map] unlink
-//// [/src/2/second-output.js] unlink
-//// [/src/2/second-output.js.map] unlink
 //// [/src/2/second-output.tsbuildinfo] unlink

tests/baselines/reference/tsbuild/sample1/removes-all-files-it-built.js

@@ -390,19 +390,8 @@ Output::
 exitCode:: ExitStatus.Success
 
 
-//// [/src/core/anotherModule.d.ts] unlink
-//// [/src/core/anotherModule.d.ts.map] unlink
-//// [/src/core/anotherModule.js] unlink
-//// [/src/core/index.d.ts] unlink
-//// [/src/core/index.d.ts.map] unlink
-//// [/src/core/index.js] unlink
 //// [/src/core/tsconfig.tsbuildinfo] unlink
-//// [/src/logic/index.d.ts] unlink
-//// [/src/logic/index.js] unlink
-//// [/src/logic/index.js.map] unlink
 //// [/src/logic/tsconfig.tsbuildinfo] unlink
-//// [/src/tests/index.d.ts] unlink
-//// [/src/tests/index.js] unlink
 //// [/src/tests/tsconfig.tsbuildinfo] unlink