old_contents: // The helper gets the html of the commetns section of an article from HN
  // It returns an object with the number of comments of the article and the parsed html of these.
  
  import Promise from 'bluebird'
  import getMatches from '../get-matches.js'
  
  const getHNComments = function(articleCommentsHtml){
    return new Promise(function(resolve) {
      // regex to check if there is comments in the post
      const isNotCommentedRegex = />discuss<\/a>/g
      // initialize comments to 0 in case there is none
      let nComments = 0;
      // if there is comments, find how many
      if (!isNotCommentedRegex.test(articleCommentsHtml)) {
        nComments = parseInt(articleCommentsHtml.match(/([0-9]*)&nbsp;comment(?:s)?/g)[0])
      }
  
      // get an array of usernames of each comment
      const usernameRegex = /<span class="comhead">[\s\S]*?<a.*?"hnuser">(.*?)<\/a>/g
      const usernames = getMatches(articleCommentsHtml, usernameRegex, nComments, 1)
  
      // get an array of comments content
      const commentsRegex = /<\/span><\/div><br><div class="comment">[\s\S]*?<span class="[\w\d]*">([.\s\S]*?)<span>[\s\S]*?<\/span><div class='reply'>/g
      const comments = getMatches(articleCommentsHtml, commentsRegex, nComments, 1)
  
      // get an array of indentations if each comment
      const commentsIndentationRegex = /<td class='ind'><img src="s\.gif" height="1" width="(\w\d*)"><\/td>/g
      const commentsIndentation = getMatches(articleCommentsHtml, commentsIndentationRegex, nComments, 1)
      const newIndentations = commentsIndentation.map((indentation) => parseInt(indentation)/40)
  
      // variable to store the parsed html of the comments
      let cleanedArticleContent = ""
      // if there is one or more comments, add them together and return the final html
      if (nComments >= 1) {
        for (var i = 0; i < nComments; i++) {
          cleanedArticleContent += `<div style="margin-left:${newIndentations[i]}em;"><p><b style="color: grey;">${usernames[i]}: &nbsp;</b>${comments[i]}</p></div>`
          if (i==nComments-1) {
            const commentsContent = {
              nComments: nComments,
              content: cleanedArticleContent
            }
            resolve(commentsContent)
          }
        }
      } else {
        // if there is no comments, tell it
        cleanedArticleContent += `<div><p><b>This article has no comments yet</b></p></div>`
        const commentsContent = {
          nComments: nComments,
          content: cleanedArticleContent
        }
        resolve(commentsContent)
      }
    })
  }
  
  export default getHNComments;
  
new_contents: // The helper gets the html of the commetns section of an article from HN
  // It returns an object with the number of comments of the article and the parsed html of these.
  
  import Promise from 'bluebird'
  import getMatches from '../get-matches.js'
  
  const getHNComments = function(articleCommentsHtml){
    return new Promise(function(resolve) {
      // regex to check if there is comments in the post
      const isNotCommentedRegex = />discuss<\/a>/g
      // initialize comments to 0 in case there is none
      let nComments = 0;
      // if there is comments, find how many
      if (articleCommentsHtml.match(/([0-9]*)&nbsp;comment(?:s)?/g)) {
          nComments = parseInt(articleCommentsHtml.match(/([0-9]*)&nbsp;comment(?:s)?/g)[0])
      }
  
      // get an array of usernames of each comment
      const usernameRegex = /<span class="comhead">[\s\S]*?<a.*?"hnuser">(.*?)<\/a>/g
      const usernames = getMatches(articleCommentsHtml, usernameRegex, nComments, 1)
  
      // get an array of comments content
      const commentsRegex = /<\/span><\/div><br><div class="comment">[\s\S]*?<span class="[\w\d]*">([.\s\S]*?)<span>[\s\S]*?<\/span><div class='reply'>/g
      const comments = getMatches(articleCommentsHtml, commentsRegex, nComments, 1)
  
      // get an array of indentations if each comment
      const commentsIndentationRegex = /<td class='ind'><img src="s\.gif" height="1" width="(\w\d*)"><\/td>/g
      const commentsIndentation = getMatches(articleCommentsHtml, commentsIndentationRegex, nComments, 1)
      const newIndentations = commentsIndentation.map((indentation) => parseInt(indentation)/40)
  
      // variable to store the parsed html of the comments
      let cleanedArticleContent = ""
      // if there is one or more comments, add them together and return the final html
      if (nComments >= 1) {
        for (var i = 0; i < nComments; i++) {
          cleanedArticleContent += `<div style="margin-left:${newIndentations[i]}em;"><p><b style="color: grey;">${usernames[i]}: &nbsp;</b>${comments[i]}</p></div>`
          if (i==nComments-1) {
            const commentsContent = {
              nComments: nComments,
              content: cleanedArticleContent
            }
            resolve(commentsContent)
          }
        }
      } else {
        // if there is no comments, tell it
        cleanedArticleContent += `<div><p><b>This article has no comments yet</b></p></div>`
        const commentsContent = {
          nComments: nComments,
          content: cleanedArticleContent
        }
        resolve(commentsContent)
      }
    })
  }
  
  export default getHNComments;
  
subject: Fix comments helper bug