gulpfile.js

var path        = require('path')
  , gulp        = require('gulp')
  , plugins     = require('gulp-load-plugins')()
  , del         = require('del')
  , concat      = require('gulp-concat')
  , rename      = require('gulp-rename')
  , uglify      = require('gulp-uglify')
  , ngHtml2Js   = require("gulp-ng-html2js")
  , minifyHtml  = require("gulp-minify-html")
  , minifycss   = require("gulp-minify-css");

gulp.task('lint', function(done) {
  gulp.src([ './src/**/*.js', './spec/**/*.js' ])
  .pipe(plugins.jshint('.jshintrc'))
  .pipe(plugins.jshint.reporter('jshint-stylish'))
  .pipe(plugins.jshint.reporter('fail'))
  .on('end', done);
});

gulp.task('html2js', function (done) {
  gulp.src([ './src/*.html' ])
  .pipe(minifyHtml())
  .pipe(ngHtml2Js({
    moduleName: "ionic-datepicker.templates"
  }))
  .pipe(concat("templates.js"))
  .pipe(gulp.dest("./dist"))
  .pipe(uglify())
  .pipe(rename({ extname: '.min.js' }))
  .pipe(gulp.dest("./dist"))
  .on('end', done);
});

gulp.task('build', [ 'html2js', 'minify-css' ], function (done) {
  gulp.src(['./src/*.js'])
  // .pipe(uglify())
  .pipe(concat("ionic-datepicker.js"))
  .pipe(gulp.dest("./dist"))
  .pipe(uglify())
  .pipe(rename({ extname: '.min.js' }))
  .pipe(gulp.dest("./dist"))
  .on('end', done);
});

gulp.task('minify-css', function (done) {
  gulp.src('./src/*.css')
  .pipe(minifycss())
  .pipe(gulp.dest('./dist'))
  .on('end', done);
});

gulp.task('clean', function () {
  del([ 'dist/*' ]);
});

gulp.task('copy', [ 'build' ], function (done) {
  gulp.src(['./dist/ionic-datepicker.js', './dist/templates.js'])
    .pipe(concat('ionic-datepicker.bundle.js'))
    .pipe(gulp.dest('../../smartcrm/smartcrm.web/app/widgets'))
    .on('end', done);
});

gulp.task('watch', function() {
  gulp.watch([ './src/*.js', './src/template.html', './src/*.css' ], [ 'copy' ]);
});

gulp.task('default', [ 'clean', 'lint', 'build' ]);