Merge pull request #562 from NativeScript/fatme/validate-copy-from

Validate copy-from option

Author: Fatme

lib/services/project-service.ts

@@ -35,8 +35,16 @@ export class ProjectService implements IProjectService {
 			var customAppPath = this.getCustomAppPath();
 			if(customAppPath) {
 				customAppPath = path.resolve(customAppPath);
+				if(!this.$fs.exists(customAppPath).wait()) {
+					this.$errors.failWithoutHelp(`The specified path "${customAppPath}" doesn't exist. Check that you specified the path correctly and try again.`);	
+				}
+				
+				let customAppContents = this.$fs.enumerateFilesInDirectorySync(customAppPath);
+				if(customAppContents.length === 0) {
+					this.$errors.failWithoutHelp(`The specified path "${customAppPath}" is empty directory.`);
+				}
 			}
-
+ 
 			if(this.$fs.exists(projectDir).wait() && !this.$fs.isEmptyDir(projectDir).wait()) {
 				this.$errors.fail("Path already exists and is not empty %s", projectDir);
 			}