gulpfile.js

'use strict';

var gulp        = require('gulp'),
    typescript  = require('typescript'),
    ts          = require('gulp-typescript'),
    browserify  = require('browserify'),
    source      = require('vinyl-source-stream'),
    del         = require('del');

var project = ts.createProject('src/tsconfig.json', {typescript: typescript});

gulp.task('through', function () {
	return gulp
    .src(['src/index.html'])
    .pipe(gulp.dest('dist' ) );
});


gulp.task('compile', function () {
  var result = gulp.src('src/**/*{ts,tsx}')
    .pipe(ts(project));
  return result.js.pipe(gulp.dest('.tmp'));
});

gulp.task('bundle', ['through','compile'], function () {
  var b = browserify('.tmp/bootstrap.js');
  return b.bundle()
    .pipe(source('bundle.js'))
    .pipe(gulp.dest('dist'))
  ;
});

gulp.task('clean', function (done) {
  del(['.tmp'], done.bind(this));
});