Tools: Added clean script

Tools/gulp/tasks/deleteBuildDirs.js

@@ -0,0 +1,11 @@
+const utils = require('../utils');
+const rootDir = utils.rootDir();
+const fs = require('fs-extra');
+
+module.exports = {
+	src: '',
+	fn: async function() {
+		await fs.remove(`${rootDir}/CliClient/tests-build`);
+		await fs.remove(`${rootDir}/CliClient/build`);
+	},
+};

gulpfile.js

@@ -5,8 +5,13 @@ const tasks = {
 	copyLib: require('./Tools/gulp/tasks/copyLib'),
 	tsc: require('./Tools/gulp/tasks/tsc'),
 	updateIgnoredTypeScriptBuild: require('./Tools/gulp/tasks/updateIgnoredTypeScriptBuild'),
+	deleteBuildDirs: require('./Tools/gulp/tasks/deleteBuildDirs'),
 };
 
 utils.registerGulpTasks(gulp, tasks);
 
 gulp.task('build', gulp.series('copyLib', 'tsc', 'updateIgnoredTypeScriptBuild'));
+
+// The clean task removes build directories and copy back the library. This is useful
+// when switching from one branch to another.
+gulp.task('clean', gulp.series('deleteBuildDirs', 'copyLib'));

package.json

@@ -8,6 +8,7 @@
     "watch": "node node_modules/typescript/bin/tsc --watch --project tsconfig.dev.json",
     "build": "gulp build",
     "setupNewRelease": "node ./Tools/setupNewRelease",
+    "clean": "npm run clean",
     "postinstall": "cd Tools && npm i && cd .. && cd ReactNativeClient && npm i && cd .. && cd ElectronClient && npm i && cd .. && cd CliClient && npm i && cd .. && gulp build"
   },
   "husky": {