[FOLLOWUP][TASK] Remove *.js.map from repository

The generated JS files contain references to its source maps.
Per default these maps should not be generated.
To prevent side effects the target folder is removed before compiling
the JavaScript files.

Resolves: #78407
Releases: master
Change-Id: I1cc25ef71165d3533e29777d585ae170bdc7f8ae
Reviewed-on: https://review.typo3.org/50349


Reviewed-by: Patricia Tiedemann <pixelaeffchen@googlemail.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Stefan Bürk <stefan.buerk@impactmedia.de>
Tested-by: Stefan Bürk <stefan.buerk@impactmedia.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>

Build/Gruntfile.js

@@ -387,7 +387,11 @@ module.exports = function(grunt) {
 	 * - 2) Compiles all TypeScript files (*.ts) which are located in sysext/<EXTKEY>/Resources/Private/TypeScript/*.ts
 	 * - 3) Copy all generated JavaScript and Map files to public folders
 	 */
-	grunt.registerTask('scripts', ['tslint', 'ts', 'copy:ts_files']);
+	grunt.registerTask('scripts', ['tslint', 'tsclean', 'ts', 'copy:ts_files']);
+
+	grunt.task.registerTask('tsclean', function() {
+		grunt.file.delete("JavaScript");
+	});
 
 	/**
 	 * grunt build task

Build/tsconfig.json

@@ -2,6 +2,7 @@
     "compilerOptions": {
         "target": "es5",
         "module": "amd",
+        "sourceMap": false,
         "removeComments": false,
         "pretty": true,
         "baseUrl": ".",

typo3/sysext/backend/Resources/Public/JavaScript/ColorPicker.js

@@ -38,4 +38,3 @@ define(["require", "exports", 'jquery', "TYPO3/CMS/Core/Contrib/jquery.minicolor
     }());
     return new ColorPicker();
 });
-//# sourceMappingURL=ColorPicker.js.map
\ No newline at end of file