gulpfile.js

'use strict';

/**
 * Module dependencies.
 */
var _ = require('lodash'),
    defaultAssets = require('./config/assets/default'),
    testAssets = require('./config/assets/test'),
    gulp = require('gulp'),
    gulpLoadPlugins = require('gulp-load-plugins'),
    runSequence = require('run-sequence'),
    plugins = gulpLoadPlugins();

// Set NODE_ENV to 'test'
gulp.task('env:test', function() {
    process.env.NODE_ENV = 'test';
});

// Set NODE_ENV to 'development'
gulp.task('env:dev', function() {
    process.env.NODE_ENV = 'development';
});

// Set NODE_ENV to 'production'
gulp.task('env:prod', function() {
    process.env.NODE_ENV = 'production';
});

// Nodemon task
gulp.task('nodemon', function() {
    return plugins.nodemon({
        script: 'server.js',
        nodeArgs: ['--debug'],
        ext: 'js,html',
        watch: _.union(defaultAssets.server.views, defaultAssets.server.allJS, defaultAssets.server.config)
    });
});

// Watch Files For Changes
gulp.task('watch', function() {
    // Start livereload
    plugins.livereload.listen();

    // Add watch rules
    gulp.watch(defaultAssets.server.views).on('change', plugins.livereload.changed);
    gulp.watch(defaultAssets.server.allJS, ['jshint']).on('change', plugins.livereload.changed);
    gulp.watch(defaultAssets.client.views).on('change', plugins.livereload.changed);
    gulp.watch(defaultAssets.client.js, ['jshint']).on('change', plugins.livereload.changed);
    gulp.watch(defaultAssets.client.css, ['csslint']).on('change', plugins.livereload.changed);
    gulp.watch(defaultAssets.client.less, ['less', 'csslint']).on('change', plugins.livereload.changed);
});

// CSS linting task
gulp.task('csslint', function(done) {
    return gulp.src(defaultAssets.client.css)
        .pipe(plugins.csslint('.csslintrc'))
        .pipe(plugins.csslint.reporter())
        .pipe(plugins.csslint.reporter(function(file) {
            if(!file.csslint.errorCount) {
                done();
            }
        }));
});

// JS linting task
gulp.task('jshint', function() {
    return gulp.src(_.union(defaultAssets.server.allJS, defaultAssets.client.js, testAssets.tests.server, testAssets.tests.client, testAssets.tests.e2e))
        .pipe(plugins.jshint())
        .pipe(plugins.jshint.reporter('default'))
        .pipe(plugins.jshint.reporter('fail'));
});


// JS minifying task
gulp.task('uglify', function() {
    return gulp.src(defaultAssets.client.js)
        .pipe(plugins.ngAnnotate())
        .pipe(plugins.uglify({
            mangle: false
        }))
        .pipe(plugins.concat('application.min.js'))
        .pipe(gulp.dest('public/dist'));
});

// CSS minifying task
gulp.task('cssmin', function() {
    return gulp.src(defaultAssets.client.css)
        .pipe(plugins.cssmin())
        .pipe(plugins.concat('application.min.css'))
        .pipe(gulp.dest('public/dist'));
});

// Less task
gulp.task('less', function() {
    return gulp.src(defaultAssets.client.less)
        .pipe(plugins.less())
        .pipe(plugins.rename(function(path) {
            path.dirname = path.dirname.replace('/less', '/css');
        }))
        .pipe(gulp.dest('./modules/'));
});

// Mocha tests task
gulp.task('mocha', function(done) {
    // Open mongoose connections
    var mongoose = require('./config/lib/mongoose.js');
    var error;

    // Connect mongoose
    mongoose.connect(function() {
        // Run the tests
        gulp.src(testAssets.tests.server)
            .pipe(plugins.mocha({
                reporter: 'spec'
            }))
            .on('error', function(err) {
                // If an error occurs, save it
                error = err;
            })
            .on('end', function() {
                // When the tests are done, disconnect mongoose and pass the error state back to gulp
                mongoose.disconnect(function() {
                    done(error);
                });
            });
    });

});

// Karma test runner task
gulp.task('karma', function(done) {
    return gulp.src([])
        .pipe(plugins.karma({
            configFile: 'karma.conf.js',
            action: 'run',
            singleRun: true
        }));
});

// Selenium standalone WebDriver update task
gulp.task('webdriver-update', plugins.protractor.webdriver_update);

// Protractor test runner task
gulp.task('protractor', function() {
    gulp.src([])
        .pipe(plugins.protractor.protractor({
            configFile: 'protractor.conf.js'
        }))
        .on('error', function(e) {
            throw e;
        });
});

// Lint CSS and JavaScript files.
gulp.task('lint', function(done) {
    runSequence('less', ['csslint', 'jshint'], done);
});

// Lint project files and minify them into two production files.
gulp.task('build', function(done) {
    runSequence('lint', ['uglify', 'cssmin'], done);
});

// Run the project tests
gulp.task('test', function(done) {
    runSequence('env:test', ['karma', 'mocha'], done);
});

// Run the project in development mode
gulp.task('default', function(done) {
    runSequence('env:dev', 'lint', ['nodemon', 'watch'], done);
});

// Run the project in debug mode
gulp.task('debug', function(done) {
    runSequence('env:dev', 'lint', ['nodemon', 'watch'], done);
});

// Run the project in production mode
gulp.task('prod', function(done) {
    runSequence('build', 'lint', ['nodemon', 'watch'], done);
});