Current Working Gulpfile

Gulpfile.js

var gulp = require('gulp'),
    uglify = require('gulp-uglify'),
    sass = require('gulp-sass'),
    plumber = require('gulp-plumber'),
    autoprefixer = require('gulp-autoprefixer'),
    connect = require('gulp-connect');

gulp.task('scripts', function(){
    gulp.src('js/*.js')
        .pipe(plumber())
        .pipe(uglify())
        .pipe(gulp.dest('build/js/'))
        .pipe(connect.reload());
});

gulp.task('styles', function(){
    gulp.src('scss/**/*.scss')
        .pipe(plumber())
        .pipe(sass({style: 'compressed', sourcemap: true}))
        .pipe(autoprefixer('last 2 version', 'safari 5', 'ie 8', 'ie 9', 'opera 12.1', 'ios 6', 'android 4'))
        .pipe(gulp.dest('build/css/'))
        .pipe(connect.reload());
});

gulp.task('html', function () {
  gulp.src('index.html')
    .pipe(connect.reload());
});

gulp.task('watch', function(){
    gulp.watch('js/*.js', ['scripts']);
    gulp.watch('scss/**/*.scss', ['styles']);
    gulp.watch(['index.html'], ['html']);
});

gulp.task('connect', function() {
    connect.server({livereload: true});
});

gulp.task('default', ['scripts', 'styles', 'watch', 'connect']);