Sample config for gulp

gulpfile.js

var gulp = require('gulp');

// Include Our Plugins
var jshint = require('gulp-jshint');
var sasslint = require('gulp-sass-lint');
var sass = require('gulp-sass');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var rename = require('gulp-rename');

// JS Lint Task
gulp.task('jslint', function() {
    return gulp.src('src/js/*.js')
        .pipe(jshint())
        .pipe(jshint.reporter('default'))
        .pipe(jshint.reporter('fail'));
});

// Sass Lint Task
gulp.task('sasslint', function() {
    return gulp.src('src/scss/*.scss')
        .pipe(sasslint())
        .pipe(sasslint.format())
        .pipe(sasslint.failOnError());
});

// Compile Our Sass
gulp.task('sass', ['sasslint'], function() {
    return gulp.src('src/scss/*.scss')
        .pipe(sass())
        .pipe(gulp.dest('dist/css'));
});

// Concatenate & Minify JS
gulp.task('js', ['jslint'],  function() {
    return gulp.src('src/js/*.js')
        .pipe(concat('all.js'))
        .pipe(gulp.dest('dist/js'))
        .pipe(rename('all.min.js'))
        .pipe(uglify())
        .pipe(gulp.dest('dist/js'));
});

// Watch Files For Changes
gulp.task('watch', function() {
    gulp.watch('src/js/*.js', ['js']);
    gulp.watch('src/scss/*.scss', ['sass']);
});

gulp.task('default', ['js', 'sass', 'watch']);