add clean task to gulpfile

Author: aisk

gulpfile.js

@@ -4,6 +4,7 @@ var jsdoc = require("gulp-jsdoc");
 var rename = require('gulp-rename');
 var shell = require('gulp-shell');
 var tar = require('gulp-tar');
+var clean = require('gulp-clean');
 var uglify = require('gulp-uglify');
 
 getAVVersion = function() {
@@ -53,4 +54,9 @@ gulp.task('compress-docs', ['docs'], function() {
     .pipe(gulp.dest('dist'));
 })
 
+gulp.task('clean', function() {
+  gulp.src(['dist/'])
+    .pipe(clean({force: true}));
+});
+
 gulp.task('release', ['compress-scripts', 'compress-docs']);

package.json

@@ -14,6 +14,7 @@
   "devDependencies": {
     "expect.js ": "0.2.0",
     "gulp": "^3.8.10",
+    "gulp-clean": "^0.3.1",
     "gulp-gzip": "0.0.8",
     "gulp-jsdoc": "^0.1.4",
     "gulp-rename": "^1.2.0",