gulpfile.js

/**
 * @author Bilal Cinarli
 */

'use strict';

var gulp = require('gulp'),
    pkg = require('./package.json'),

// utils
    header = require('gulp-header'),
    notify = require('gulp-notify'),
    rename = require('gulp-rename'),
    sourcemaps = require('gulp-sourcemaps'),
    uglify = require('gulp-uglify'),

// sass
    sass = require('gulp-sass'),
    autoprefixer = require('gulp-autoprefixer'),

// lint
    jshint = require('gulp-jshint'),
    csslint = require('gulp-csslint'),

// testing
    mochaPhantomJs = require('gulp-mocha-phantomjs');

var paths = {
    lib     : 'lib/',
    dist    : 'dist/',
    test    : 'test/',
    examples: 'examples/'
};

var banner = [
    '/*! UX Rocket Treelist \n' +
    ' *  <%= pkg.description %> \n' +
    ' *  @author <%= pkg.author %> \n' +
    '<% if (typeof pkg.contributors !== "undefined") { %>' +
    '<% pkg.contributors.forEach(function(contributor) { %>' +
    ' *          <%= contributor.name %> <<%=contributor.email %>> (<%=contributor.url %>)\n' +
    '<% }) %>' +
    '<% } %>' +
    ' *  @version <%= pkg.version %> \n' +
    ' *  @build <%= date %> \n' +
    ' */\n'
].join('');

var tasks = {
    mocha: function() {
        return gulp.src(paths.test + 'index.html')
            .pipe(mochaPhantomJs());
    },

    sass: function() {
        return gulp.src(paths.lib + '**/*.scss')
            .pipe(sass({
                outputStyle: 'expanded'
            }))
            .pipe(autoprefixer({
                browsers: ['last 3 versions']
            }))
            .pipe(rename(pkg.name + '.css'))
            .pipe(gulp.dest(paths.dist))
            .pipe(sass({
                outputStyle: 'compressed'
            })).on('error', notify.onError('Error: <%= error.message %>'))
            .pipe(autoprefixer({
                browsers: ['last 3 versions']
            }))
            .pipe(rename(pkg.name + '.min.css'))
            .pipe(header(banner, {pkg: pkg, date: new Date()}))
            .pipe(notify('Sass styles completed'))
            .pipe(gulp.dest(paths.dist));
    },

    csslint: function() {
        return gulp.src(paths.dist + pkg.name + '.css')
            .pipe(csslint())
            .pipe(csslint.reporter());
    },

    lint: function() {
        return gulp.src(paths.lib + '**/*.js')
            .pipe(jshint()).on('error', notify.onError('Error: <%= error.message %>'))
            .pipe(jshint.reporter('default'))
            .pipe(notify('JSHint completed'));
    },

    scripts: function() {
        return gulp.src(paths.lib + '**/' + pkg.name + '.js')
            .pipe(rename(pkg.name + '.js'))
            .pipe(gulp.dest(paths.dist))
            .pipe(uglify()).on('error', notify.onError('Error: <%= error.message %>'))
            .pipe(header(banner, {pkg: pkg, date: new Date()}))
            .pipe(rename(pkg.name + '.min.js'))
            .pipe(notify('Script file uglified'))
            .pipe(gulp.dest(paths.dist));
    }
};

gulp.task('sass', tasks.sass);
gulp.task('csslint', ['sass'], function() {
    return tasks.csslint();
});
gulp.task('lint', tasks.lint);
gulp.task('scripts', ['lint'], function() {
    return tasks.scripts();
});
gulp.task('mocha', tasks.mocha);

gulp.task('watch', ['csslint', 'sass', 'lint', 'scripts', 'mocha'], function() {
    gulp.watch(paths.lib + '**/*.scss', ['sass']);
    gulp.watch(paths.dist + '**/*.css', ['csslint']);
    gulp.watch(paths.lib + '**/*.js', ['lint', 'scripts', 'mocha']);
});

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