@Task()
 watch() {
     gulp.watch('src/**/*.ts', this.buildTypescript);
     nodemon({
         script: './dist/src/server.js'
     });
 }

	@Task('ts::lint')
	tslint() {
		gulp.src(['./app/**/*.ts'])
			.pipe(tslint())
			.pipe(tslint.report('verbose'))
			.pipe(debug());
	}

 /**
  * Read package.json task
  *
  * It reads the data of the devconfig object in the package.json file
  */
 @Task('config::readpkgjson')
 readpkgjson(): any {
   var configobject = JSON.parse(fs.readFileSync('./package.json', 'utf8'));
   if (configobject && configobject.devconfig) {
     this.config = configobject.devconfig;
   }
 }

 /**
  * Runs unit-tests.
  */
 @Task()
 unit() {
     chai.should();
     chai.use(require("sinon-chai"));
     return gulp.src("./build/es5/test/unit/**/*.js")
         .pipe(mocha());
 }

    // -------------------------------------------------------------------------
    // Packaging and Publishing tasks
    // -------------------------------------------------------------------------

    /**
     * Publishes a package to npm from ./build/package directory.
     */
    @Task()
    npmPublish() {
        return gulp.src("*.js", { read: false })
            .pipe(shell([
                "cd ./build/package && npm publish"
            ]));
    }

 /**
  * Runs unit-tests.
  */
 @Task()
 unit() {
     chai.should();
     chai.use(require("sinon-chai"));
     chai.use(require("chai-as-promised"));
     return gulp.src("./build/compiled/test/unit/**/*.js")
         .pipe(mocha());
 }

	@Task('lint:ts')
	public lintTS()
	{
		const tslint = require('gulp-tslint');
		return gulp.src(['./src/**/*.ts', './Gulpfile.ts'])
			.pipe(tslint())
			.pipe(tslint.report('prose'));
	}

 /**
  * Runs functional tests.
  */
 @Task()
 functional() {
     chai.should();
     chai.use(require("sinon-chai"));
     chai.use(require("chai-as-promised"));
     return gulp.src("./build/es5/test/functional/**/*.js")
         .pipe(mocha());
 }

 @Task('useref')
 useref() {
     return gulp.src('app/*.html')
         .pipe(useref())
         .pipe(gulpIf('*.js', uglify()))
         .pipe(gulpIf('*.css', cssnano()))
         .pipe(gulp.dest('dist'))
 }