gulpfile.js

var gulp = require('gulp');
var notify = require('gulp-notify');
var source = require('vinyl-source-stream');
var browserify = require('browserify');
var babelify = require('babelify');
var ngAnnotate = require('browserify-ngannotate');
var rename = require('gulp-rename');
var templateCache = require('gulp-angular-templatecache');
var glob = require('glob');
var sass = require('gulp-sass');
var autoprefixer = require('gulp-autoprefixer');

// Where our files are located
var viewFiles = "src/app/**/*.html";
var specFiles = "tests/specs/*.spec.js"
var specsArray = glob.sync(specFiles);


var interceptErrors = function (error) {
    var args = Array.prototype.slice.call(arguments);

    //Send error to notification center with gulp-notify
    notify.onError({
        title: 'Compile Error',
        message: '<%= error %>'
    }).apply(this, args);

    //Keep gulp from hanging on this task
    this.emit('end');
};

var autoprefixerOptions = {
    browsers: ['last 6 versions']
};

// Task for app files
gulp.task('browserify', ['views'], function () {
    return browserify('./src/app/app.js')
        .transform(babelify, {presets: ["es2015"]})
        .transform(ngAnnotate)
        .bundle()
        .on('error', interceptErrors)
        //Pass desired output filename to vinyl-source-stream
        .pipe(source('main.js'))
        // Start piping stream to tasks!
        .pipe(gulp.dest('./build/'));
});

// Task for test files
gulp.task('browserifyTests', function () {
    return browserify(specsArray)
        .transform(babelify, {presets: ["es2015"]})
        .transform(ngAnnotate)
        .bundle()
        .on('error', interceptErrors)
        //Pass desired output filename to vinyl-source-stream
        .pipe(source('tests.js'))
        // Start piping stream to tasks!
        .pipe(gulp.dest('./build/tests/'));
});


// Just move files to build/
gulp.task('html', function () {
    return gulp.src("src/start.html")
        .on('error', interceptErrors)
        .pipe(gulp.dest('./build/'));
});

gulp.task('tests', function () {
    return gulp.src("tests/start.html")
        .on('error', interceptErrors)
        .pipe(gulp.dest('./build/tests'));
});

gulp.task('js', function () {
    return gulp.src("src/vendors/**/*")
        .on('error', interceptErrors)
        .pipe(gulp.dest('./build/vendors'));
});

gulp.task('sass', function () {
    return gulp.src('src/sass/nano.scss')
        .pipe(sass().on('error', sass.logError))
        .pipe(autoprefixer())
        .pipe(gulp.dest('./build/css'));
});

gulp.task('css', function () {
    return gulp.src('src/css/**/*')
        .on('error', interceptErrors)
        .pipe(gulp.dest('./build/css'))
})

gulp.task('images', function () {
    return gulp.src("src/images/**/*")
        .on('error', interceptErrors)
        .pipe(gulp.dest('./build/images'));
});

gulp.task('package', function () {
    return gulp.src("src/package.json")
        .on('error', interceptErrors)
        .pipe(gulp.dest('./build/'));
});

// Cache template
gulp.task('views', function () {
    return gulp.src(viewFiles)
        .pipe(templateCache({
            standalone: true
        }))
        .on('error', interceptErrors)
        .pipe(rename("app.templates.js"))
        .pipe(gulp.dest('./src/app/config/'));
});


// Run Tasks
gulp.task('default', ['html', 'js', 'sass', 'css', 'images', 'package', 'browserify', 'tests', 'browserifyTests'], function () {
});

// Build packaged apps for production
gulp.task('build-app', ['html', 'js', 'sass', 'css', 'images', 'package'], function () {
});