text: /**
   * Split the description (of selected docs) into:
   * * `shortDescription`: the first paragraph
   * * `description`: the rest of the paragraphs
   */
  module.exports = function splitDescription() {
    return {
      $runAfter: ['tags-extracted'],
      $runBefore: ['processing-docs'],
      docTypes: [],
      $process(docs) {
        docs.forEach(doc => {
          if (this.docTypes.indexOf(doc.docType) !== -1 && doc.description !== undefined) {
            const description = doc.description.trim();
            const endOfParagraph = description.search(/\n\s*\n+(?!.*[\u4e00-\u9fa5])/); // 从第一个非汉字行开始拆分
            if (endOfParagraph === -1) {
              doc.shortDescription = description;
              doc.description = '';
            } else {
              doc.shortDescription = description.substr(0, endOfParagraph).trim();
              doc.description = description.substr(endOfParagraph).trim();
            }
          }
        });
      }
    };
  };
  
  