1

+/**
+ * gulp.files
+ * 
+ * @authors Your Name (you@example.org)
+ * @date    2017-08-22 17:30:49
+ * @version $Id$
+ */
+
+var gulp = require('gulp');
+var browserSync = require('browser-sync').create();
+
+gulp.task('server',function() {
+    browserSync.init({
+        server: {
+            baseDir: './'
+        }
+    })
+    gulp.watch(`*.html`).on('change', browserSync.reload);
+    gulp.watch(`js/*.js`).on('change', browserSync.reload);
+    gulp.watch(`css/*.css`).on('change', browserSync.reload);
+})
+
+
+gulp.task('stylus', function() {
+    return gulp.src(filePath.css.src())
+        .pipe(stylus({
+            compress: true,
+            use: nib()
+        }))
+        .pipe(gulp.dest(filePath.css.dest()))
+        .pipe(browserSync.stream())
+})
+
+gulp.task('stylus:watch', ['stylus'], browserSync.reload())
+
+
+gulp.task('babel', function() {
+    mod = argv.m;
+    return gulp.src(filePath.js.src())
+        .pipe(babel({
+            presets: ['es2015']
+        }))
+        .pipe(gulp.dest(filePath.js.dest()));
+})
+
+gulp.task('babel:watch', ['babel'], browserSync.reload())
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