Updated to work with {N} 3.0.0-rc

Also works in {N} 2.4.x and earlier. Not compatible with 2.5.x

Author: toddanglin

lib/after-prepare.js

@@ -4,24 +4,41 @@ var glob = require('glob');
 var Promise = require('bluebird');
 
 // Clean-up files from compiled app packages
-module.exports = function ($logger, $projectData, $usbLiveSyncService) {
+module.exports = function (logger, platformsData, projectData, hookArgs) {
 	// delete all scss files from compiled sources
-	var platformsData = $injector.resolve('platformsData');
-	return Promise.each(platformsData.platformsNames, function (platform) {
+
+	// Don't include .SCSS files in LiveSync -- only sync CSS files
+	if (hookArgs.filesToSync !== undefined) {
+		hookArgs.filesToSync.forEach(function (file, index) {
+			if (file.indexOf(".scss") !== -1) {
+				// Remove the .SCSS file from LiveSync operation
+				hookArgs.filesToSync.splice(index, 1);
+			}
+		});
+	}
+
+	var platformData = platformsData.getPlatformData(hookArgs.platform.toLowerCase());
+
+	return new Promise(function(resolve, reject) {
 		// Remove node_sass directory from compiled output
-		var nodeSassPath = path.join(platformsData.getPlatformData(platform).appDestinationDirectoryPath, 'app/tns_modules/node-sass/');
+		var nodeSassPath = path.join(platformData.appDestinationDirectoryPath, 'app/tns_modules/node-sass/');
 		deleteFolderRecursive(nodeSassPath);
 
 		// Find and remove unnecessary SCSS files from iOS and Android app packages
-		var sassFilesPath = path.join(platformsData.getPlatformData(platform).appDestinationDirectoryPath, 'app/**/*.scss');
+		var sassFilesPath = path.join(platformData.appDestinationDirectoryPath, 'app/**/*.scss');
 		var sassFiles = glob.sync(sassFilesPath).filter(function (filePath) {
 			var path = filePath;
 			var parts = path.split('/');
 			var filename = parts[parts.length - 1];
 			return path.indexOf("App_Resources") === -1;
 		});
-		return Promise.each(sassFiles, function (sassFile) {
+
+		Promise.each(sassFiles, function (sassFile) {
 			return fs.unlinkSync(sassFile);
+		})
+		.then(function() {
+			console.log("All SASS source files removed from app package");
+			resolve();
 		});
 	});
 }
@@ -39,4 +56,4 @@ var deleteFolderRecursive = function(filepath) {
     });
     return fs.rmdirSync(filepath);
   }
-};
+};

lib/before-prepare.js

@@ -1,5 +1,21 @@
 var converter = require('./converter');
 
-module.exports = function ($logger, $projectData, $usbLiveSyncService) {
-	return converter.convert($logger, $projectData.projectDir);
+module.exports = function (logger, platformsData, projectData, hookArgs) {
+	// Do not run converter during LiveSync if there are no SCSS files being processed
+	var runProcessor = false;
+	if (hookArgs.filesToSync !== undefined) {
+		hookArgs.filesToSync.forEach(function (file) {
+			if (file.indexOf(".scss") !== -1) {
+				runProcessor = true;
+			}
+		});
+	} else {
+		// Not a LiveSync operation; always run converter
+		runProcessor = true;
+	}
+
+	if (runProcessor) {
+		console.log("Converting SCSS to CSS...");
+		return converter.convert(logger, projectData.projectDir);
+	}
 }