diff --git a/gulpfile.js b/gulpfile.js
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+// Gulp file config by iqbal
+
+const {src, dest, watch, parallel} = require('gulp');
+const notify = require('gulp-notify');
+const browserSync = require('browser-sync').create();
+const sass = require('gulp-sass');
+const concat = require('gulp-concat');
+const plumber = require('gulp-plumber');
+const rename = require('gulp-rename');
+const postcss = require('gulp-postcss');
+const autoprefixer = require('autoprefixer');
+const cssnano = require('cssnano');
+const uglify = require('gulp-uglify');
+const imagemin = require('gulp-imagemin');
+const imageminMozjpeg = require('imagemin-mozjpeg');
+//dir
+var cssDir = './assets/css'; 
+var jsDir = './assets/js'; 
+var sassDir = './assets/sass/*.scss';
+var imgDir = './assets/img/*';
+
+//css
+var cssFileOne = 'path';
+var cssFileTwo = 'path';
+var cssFileThree = 'path';
+
+//js
+var jsFileOne = 'path';
+var jsFileTwo = 'path';
+var jsFileThree = 'path';
+
+// moving js
+function js(){
+	return src([jsFileOne, jsFileTwo, jsFileThree])
+     .pipe(plumber())
+	 .pipe(concat('plugin.min.js'))
+	 .pipe(uglify())
+	 .pipe(dest(jsDir))
+	 .pipe(notify({
+	 	message: 'File <%= file.relative %> wis dadi' 
+	 }));
+}
+
+// moving css
+function css(){
+	return src([cssFileOne,cssFileTwo,cssFileThree,])
+	 .pipe(plumber())
+	 .pipe(concat('plugin.min.css'))
+	 .pipe(postcss([autoprefixer(), cssnano()]))
+	 .pipe(dest(cssDir))
+	 .pipe(notify({
+	 	message: 'File <%= file.relative %> wis dadi'
+	 }));
+}
+
+//make structural folder
+function folder(){
+	 return src('*.*', {read: false})
+        .pipe(dest('./sandbox/_test'))
+        .pipe(dest('./assets'))
+        .pipe(dest('./assets/sass'))
+        .pipe(dest('./assets/css'))
+        .pipe(dest('./assets/js'))
+        .pipe(dest('./assets/img'))
+}
+
+//minify compile
+function minify(){
+	return src(sassDir)	
+	.pipe(plumber())
+	.pipe(sass({
+	 	errorLogToConsole: true
+	 }))
+	.on('error', console.error.bind( console ))
+	.pipe(rename({
+	 	suffix: '.min'
+	 }))
+	.pipe(postcss([autoprefixer(), cssnano()]))
+	.pipe(dest(cssDir))
+	 .pipe(notify({
+	 	message: 'Minify <%= file.relative %> berhasil bos'
+	 }));
+}
+
+
+//minfy image
+function image(){
+	 return src(imgDir)
+	.pipe(plumber())
+	.pipe(imagemin([
+		imageminMozjpeg({quality: 80})
+		]))
+	.pipe(dest(imgDir))
+	.pipe(plumber.stop())
+}
+
+function watching (){
+	browserSync.init({
+		server:{
+			baseDir: "./"
+		},
+		port: 8080
+	});
+	watch('./assets/sass/*.scss',minify).on('change',browserSync.reload);
+	watch("*.html").on('change',browserSync.reload);
+}
+
+function  watchcss(){
+	watch('./assets/sass/*.scss',minify);
+}
+
+//create folder first
+exports.folder = folder;
+//then update source
+exports.update = parallel(js, css);
+//updating  JS SOURCE ONLY
+exports.js = js;
+//updating  CSS SOURCE ONLY
+exports.css = css;
+//minify  IMG SOURCE
+exports.image = image;
+//Run this command for styling OPs
+exports.minify = minify;
+//Run this command for dev.
+exports.default = watching;
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