JavaScriptExpert
diff --git a/‎stack/rush-stack/src/logic/BasicTasks.ts‎
Lines changed: 14 additions & 1 deletion b/‎stack/rush-stack/src/logic/BasicTasks.ts‎
Lines changed: 14 additions & 1 deletion
diff --git a/‎stack/rush-stack/src/logic/BuildContext.ts‎
Lines changed: 3 additions & 0 deletions b/‎stack/rush-stack/src/logic/BuildContext.ts‎
Lines changed: 3 additions & 0 deletions
@@ -1,10 +1,23 @@
 // Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
 // See LICENSE in the project root for license information.
 
+import * as fsx from 'fs-extra';
+import * as path from 'path';
+
 import { BuildContext } from './BuildContext';
 
 export class BasicTasks {
   public static doClean(buildContext: BuildContext): void {
-    console.log(`Project folder is: "${buildContext.projectFolder}"`);
+    const foldersToClean: string[] = [
+      'temp',
+      'lib',
+      'dist'
+    ];
+
+    for (const folderToClean of foldersToClean) {
+      const fullPath: string = path.join(buildContext.projectFolder, folderToClean);
+      console.log(`Cleaning folder: "${fullPath}"`);
+      fsx.emptyDirSync(fullPath);
+    }
   }
 }
@@ -27,11 +27,14 @@ export class BuildContext {
         currentWorkingDirectory = parameters.currentWorkingDirectory;
       }
     }
+
     const projectFolder: string | undefined = this.packageJsonLookup
       .tryGetPackageFolderFor(currentWorkingDirectory);
     if (!projectFolder) {
       throw new Error('Unable to find a package.json for the current folder: ' + currentWorkingDirectory);
     }
+
+    console.log(`Project folder is: "${projectFolder}"`);
     this.projectFolder = projectFolder;
   }
 }
Original file line number	Diff line number	Diff line change
`@@ -27,11 +27,14 @@ export class BuildContext {`
`27`	`27`	`currentWorkingDirectory = parameters.currentWorkingDirectory;`
`28`	`28`	`}`
`29`	`29`	`}`
	`30`	`+`
`30`	`31`	`const projectFolder: string \| undefined = this.packageJsonLookup`
`31`	`32`	`.tryGetPackageFolderFor(currentWorkingDirectory);`
`32`	`33`	`if (!projectFolder) {`
`33`	`34`	`throw new Error('Unable to find a package.json for the current folder: ' + currentWorkingDirectory);`
`34`	`35`	`}`
	`36`	`+`
	`37`	+ console.log(`Project folder is: "${projectFolder}"`);
`35`	`38`	`this.projectFolder = projectFolder;`
`36`	`39`	`}`
`37`	`40`	`}`