text: /*
   * 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.
   */
  const gulp        = require('gulp');
  const sass        = require('gulp-sass');
  const header      = require('gulp-header');
  const minifyCss   = require('gulp-minify-css');
  
  const apache2License = [
  '/*',
  ' * 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.',
  ' */',
  ''
  ].join('\n');
  
  gulp.task('styles', function() {
      return gulp.src('./scss/*.scss')
          .pipe(sass().on('error', sass.logError))
          .pipe(minifyCss())
          .pipe(header(apache2License))
          .pipe(gulp.dest('../dist/css'));
  });
  
  gulp.task('watch', function() {
      gulp.watch('./scss/*.scss', ['styles'])
  });
  
  gulp.task('default', ['styles'], function() {});