gulpfile.js

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
*/

var gulp = require('gulp');
var autoprefixer = require('gulp-autoprefixer');
var gutil = require('gulp-util');
var jshint = require('gulp-jshint');
var path = require('path');
var webpack = require('webpack');
var webpackConfig = require('./webpack.config.js');

gulp.task('default', ['build-dev']);

gulp.task('watch', ['build-dev'], function() {
  gulp.watch([
      path.join('www', '**', '*'),
      'webpack.config.js',
      //'node_modules/**/*', // disabled because of https://github.com/gruntjs/grunt-contrib-watch#how-do-i-fix-the-error-emfile-too-many-opened-files
    ], ['lint', 'webpack:build-dev']);
  gulp.watch([
      path.join('src', '*.css'),
    ], ['styles']);
});

gulp.task('styles', function() {
  return gulp.src(path.join('src', 'style.css'))
      .pipe(autoprefixer({
                browsers: ['ios 7', 'android 3']
            }))
        .pipe(gulp.dest(path.join('www', 'cdvah', 'generated')));

});

gulp.task('build', ['lint', 'webpack:build', 'styles']);

gulp.task('build-dev', ['lint', 'webpack:build-dev', 'styles']);

gulp.task('lint', ['lint:app', 'lint:harness-push']);

/******************************************************************************/
/******************************************************************************/

gulp.task('lint:app', function() {
  return gulp.src([path.join('www', '**', '*.js'), path.join('!www', 'cdvah', 'js', 'libs', '*.js'), path.join('!www', 'cdvah', 'generated', '*.js')])
    .pipe(jshint())
    .pipe(jshint.reporter('default'))
    .pipe(jshint.reporter('fail'));
});

gulp.task('lint:harness-push', function() {
  return gulp.src([path.join('harness-push', '*.js'), path.join('harness-push', 'node_modules', 'chrome-app-developer-tool-client', '*.js')])
    .pipe(jshint())
    .pipe(jshint.reporter('default'))
    .pipe(jshint.reporter('fail'));
});

/******************************************************************************/
/******************************************************************************/

function createWebpackResultHandler(taskname, callback) {
  return function(err, stats) {
    if(err) throw new gutil.PluginError(taskname, err);
    gutil.log('[' + taskname + ']', stats.toString({
      colors: true
    }));
    callback();
  }
}

gulp.task('webpack:build', function(callback) {
  var myConfig = Object.create(webpackConfig);
  myConfig.plugins = (myConfig.plugins || []).concat(
    new webpack.DefinePlugin({
      'process.env': {
        'NODE_ENV': JSON.stringify('production')
      }
    }),
    new webpack.optimize.DedupePlugin()
  );

  webpack(myConfig, createWebpackResultHandler('webpack:build', callback));
});

gulp.task('webpack:build-dev', (function() {
  var myDevConfig = Object.create(webpackConfig);
  myDevConfig.devtool = 'sourcemap';
  myDevConfig.debug = true;

  // create a single instance of the compiler to allow caching
  var devCompiler = webpack(myDevConfig);

  return function(callback) {
    devCompiler.run(createWebpackResultHandler('webpack:build-dev', callback));
  };
}()));