gulpfile.js

'use strict';

var es = require('event-stream');
var gulp = require('gulp');
var $ = require('gulp-load-plugins')();
var karmaServer = require('karma').Server;
var eslint = require('gulp-eslint');

var paths = {
  src: {
    html: __dirname + '/src/templates/**/*.html',
    js: __dirname + '/src/js/**/*.js',
    tests: __dirname + '/tests/**/*.js',
    scss: __dirname + '/src/scss/**/*.scss'
  },
  config: {
    karma: __dirname + '/karma.conf.js'
  },
  tmp: __dirname + '/.tmp/',
  dist: __dirname + '/dist/'
};

var plumberErrorHandler = {
  errorHandler: function(err) {
    console.log(err);
    this.emit('end');
  }
};

gulp.task('js', function() {
  return es.merge(getTemplatesStream(), gulp.src(paths.src.js))
    .pipe($.plumber(plumberErrorHandler))
    .pipe($.angularFilesort())
    .pipe($.ngAnnotate())
    .pipe($.concat('ng-flat-datepicker.js'))
    .pipe(gulp.dest(paths.dist))
    .pipe($.uglify())
    .pipe($.rename('ng-flat-datepicker.min.js'))
    .pipe(gulp.dest(paths.dist));
});

gulp.task('sass', function() {
  return gulp.src(paths.src.scss)
    .pipe($.plumber(plumberErrorHandler))
    .pipe($.sass({
      outputStyle: 'expanded'
    }))
    .pipe($.autoprefixer({
      browsers: ['last 2 versions']
    }))
    .pipe($.rename('ng-flat-datepicker.css'))
    .pipe(gulp.dest(paths.dist))
    .pipe($.csso())
    .pipe($.rename('ng-flat-datepicker.min.css'))
    .pipe(gulp.dest(paths.dist));
});

gulp.task('test-angular-1.3', function (done) {
  new karmaServer({
    configFile: __dirname + '/karma.angular-1.3.conf',
    singleRun: true
  }, done).start();
});
gulp.task('test-angular-1.4', function (done) {
  new karmaServer({
    configFile: __dirname + '/karma.angular-1.4.conf',
    singleRun: true
  }, done).start();
});
gulp.task('test-angular-1.5', function (done) {
  new karmaServer({
    configFile: __dirname + '/karma.angular-1.5.conf',
    singleRun: true
  }, done).start();
});
gulp.task('test', ['test-angular-1.5', 'test-angular-1.4', 'test-angular-1.3']);

gulp.task('lint', function() {
  return gulp.src(['src/js/*.js', '!node_modules/**'])
    .pipe(eslint())
    .pipe(eslint.format())
    .pipe(eslint.failAfterError());
});

/**
 * Watch
 */
gulp.task('watch', function() {
  $.watch([paths.src.js, paths.src.html, paths.src.tests, paths.config.karma],
    $.batch(function(events, done) {
      gulp.start('test', done);
    }));
  $.watch([paths.src.js], $.batch(function(events, done) {
    gulp.start('lint', done);
  }));
  $.watch(paths.src.scss, $.batch(function(events, done) {
    gulp.start('sass', done);
  }));
  $.watch([paths.src.js, paths.src.html], $.batch(function(events, done) {
    gulp.start('js', done);
  }));
});

gulp.task('install', ['lint', 'sass', 'js']);
gulp.task('default', ['install']);

function getTemplatesStream() {
  return gulp.src(paths.src.html)
    .pipe($.angularTemplatecache('templates.js', {
      module: 'ngFlatDatepicker'
    }));
}