gulpfile.js

// just a demo gulpfile for my projects

require('es6-promise').polyfill();

var del = require('del'),
    gulp = require('gulp'),
    iife = require('gulp-iife'),
    sass = require('gulp-sass'),
    gulpif = require('gulp-if'),
    hash = require('gulp-hash-src'),
    useref = require('gulp-useref'),
    uglify = require('gulp-uglify'),
    inject = require('gulp-inject'),
    annotate = require('gulp-ng-annotate'),
    cssnano = require('gulp-cssnano'),
    htmlmin = require('gulp-htmlmin'),
    ngtemplate = require('gulp-angular-templatecache');

var wwwroot = './wwwroot';
var tmp = '../../tmp';
var distPath = '../../artifacts/dist'

gulp.task('publish', ['prevent-browser-cache'])

gulp.task('prevent-browser-cache', ['compile-html'], function () {
    return gulp.src([distPath + "/index.html", distPath + '/**/*.css'])
        .pipe(hash({ build_dir: distPath, src_path: distPath }))
        .pipe(gulp.dest(distPath));
});

gulp.task('compile-html', ['copy-folders', 'compile-ng-templates-into-js', 'compile-sass-into-css'], function () {
    return gulp.src(wwwroot + '/index.html')
        .pipe(inject(gulp.src([tmp + '/templates.js'], { read: false }), { relative: true }))
        .pipe(useref())
        .pipe(gulpif('*/app.js', iife()))
        .pipe(gulpif('*/app.js', annotate()))
        .pipe(gulpif('*.js', uglify()))
        .pipe(gulpif('*.css', cssnano()))
        .pipe(gulpif('*.html', htmlmin({ collapseWhitespace: true, removeComments: true })))
        .pipe(gulp.dest(distPath));
});

gulp.task('compile-sass-into-css', function () {
    return gulp.src(wwwroot + '/sass/main.scss')
        .pipe(sass().on('error', sass.logError))
        .pipe(gulp.dest(wwwroot + '/sass'));
});

gulp.task('compile-ng-templates-into-js', function () {
    return gulp.src(wwwroot + '/views/**/*.html')
    .pipe(htmlmin({ collapseWhitespace: true, removeComments: true }))
    .pipe(ngtemplate({ root: 'views/', module: 'minovateApp' }))
    .pipe(gulp.dest(tmp));
});

gulp.task('copy-folders', ['clean'], function () {

    return gulp.src([
        wwwroot + "/fonts/**/*",
        wwwroot + "/images/**/*",
        wwwroot + "/languages/**/*",
        wwwroot + "/styles/images/**/*",
        wwwroot + "/*.*",
        '!' + wwwroot + '/web.config'
    ], { base: wwwroot }).pipe(gulp.dest(distPath));

});

gulp.task('clean', function () {
    return del([distPath + '/**/*', tmp + '/**/*', '!' + distPath + '/web.config'], { force: true });
});