- replacing the rimraf call inside the script in package.json through a gulp cleanup task that calls rimraf to delete both the tmp and dist folders

- adding a few comments to the gulp file
- adding a prepublish step to the package.json file to call npm run build before publishing

Author: madoar

gulpfile.babel.js

@@ -3,6 +3,8 @@ import ngc from 'gulp-ngc';
 import less from 'gulp-less';
 import inline from 'gulp-inline-ng2-template';
 
+import rimraf from 'rimraf';
+
 import fs from 'fs';
 
 function lessProcessor(path, ext, file, cb) {
@@ -13,17 +15,34 @@ function lessProcessor(path, ext, file, cb) {
   }
 }
 
-gulp.task('move-to-tmp', () => {
+/**
+ * delete the tmp and dist folders
+ */
+gulp.task('cleanup', (cb) => {
+  rimraf.sync('tmp');
+  rimraf('dist', cb);
+});
+
+/**
+ * move all files from the src folder to the tmp folder
+ */
+gulp.task('move-to-tmp', ['cleanup'], () => {
   return gulp.src(["src/**/*"])
     .pipe(gulp.dest('tmp'));
 });
 
-gulp.task('less', () => {
+/**
+ * compile all less files to css files in the tmp folder
+ */
+gulp.task('less', ['cleanup'], () => {
   return gulp.src('./src/**/*.less')
     .pipe(less())
     .pipe(gulp.dest('tmp'));
 });
 
+/**
+ * inline both the html and stylesheets inside the angular 2 typescript template files inside the tmp folder
+ */
 gulp.task('inline', ['less', 'move-to-tmp'], () => {
   return gulp.src(['tmp/**/*.ts'])
     .pipe(inline({
@@ -33,8 +52,12 @@ gulp.task('inline', ['less', 'move-to-tmp'], () => {
     .pipe(gulp.dest('tmp'));
 });
 
+/**
+ * compile the typescript files from the tmp folder to javascript files and save the resulting files
+ * inside the dist folder
+ */
 gulp.task('compile', ['inline'], () => {
   return ngc('tmp/tsconfig.aot.json');
 });
 
-gulp.task('default', ['move-to-tmp', 'less', 'compile']);
+gulp.task('default', ['cleanup', 'move-to-tmp', 'less', 'inline', 'compile']);

package.json

@@ -28,7 +28,8 @@
     "pretest": "npm run lint",
     "test": "karma start",
     "test-watch": "karma start --no-single-run --auto-watch",
-    "build": "rimraf dist && gulp"
+    "build": "gulp",
+    "prepublish": "npm run build"
   },
   "dependencies": {
     "@angular/common": "^2.4.7",