// Copyright 2018 The Distill Template Authors
//
// Licensed 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.

import marked from 'marked';

marked.setOptions({
  gfm: true,
  smartypants: true
});

export default function(dom, data) {
  let markdownElements = [].slice.call(dom.querySelectorAll('[markdown]'));
  markdownElements.forEach(el => {
    let content = el.innerHTML;
    // Set default indents
    content = content.replace(/\n/, '');
    let tabs = content.match(/\s*/);
    content = content.replace(new RegExp('\n' + tabs, 'g'), '\n');
    content = content.trim();

    el.innerHTML = marked(content);
  });
}