@adobe/helix-pipeline/src/html/smartypants.js

This project provides helper functions and default implementations for creating Hypermedia Processing Pipelines.

/*
 * Copyright 2018 Adobe. All rights reserved.
 * This file is licensed 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
import { retext } from 'retext';
import { visit } from 'unist-util-visit';
import smartypants from 'retext-smartypants';

const smart = retext().use(smartypants);

export default function reformat({ content }) {
  if (!content.mdast) {
    return;
  }
  visit(content.mdast, (node) => {
    if (node.type === 'text' && node.value.match(/(--)|(\.\.\.)|(['"`])/)) {
      node.value = smart.processSync(node.value).value;
    }
  });
}