remove extra files

6 files changed, 0 insertions, 2773 deletions

diff --git a/plugins/readability/README.md b/plugins/readability/README.md
deleted file mode 100644
index 2a19a8e..0000000
--- a/plugins/readability/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-This code reimplements firefox readability mode. Code taken from <https://raw.githubusercontent.com/ushnisha/readability-reader-webextensions/master/content_scripts/tranquilize.js>
-
diff --git a/plugins/readability/readability b/plugins/readability/readability
deleted file mode 100755
index 2c70985..0000000
--- a/plugins/readability/readability
+++ /dev/null
diff --git a/plugins/readability/readability.c b/plugins/readability/readability.c
deleted file mode 100644
index 33df917..0000000
--- a/plugins/readability/readability.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#define READABILITY_N 88067 + 1000
-
-void read_readability_js(char* string)
-{
-    FILE* fp = fopen("/opt/rosenrot/readability.js", "r");
-    if (!fp) { // fp is NULL, fopen failed
-        fprintf(stderr, "Failed to open file\n");
-        fprintf(stderr, "Consider running $ sudo make runtime_files\n");
-        string = NULL;
-        return;
-    }
-    int i = 0;
-    int c;
-    while ((c = fgetc(fp)) != EOF) {
-        string[i++] = c;
-    }
-    string[i] = '\0';
-    fclose(fp);
-}
-
-/*
-int main(){
-    char* readability_js = malloc(READABILITY_N+1);
-    read_readability_js(readability_js);
-    printf("%s", readability_js);
-    free(readability_js);
-}
-*/
diff --git a/plugins/readability/readability.h b/plugins/readability/readability.h
deleted file mode 100644
index 9dab8c1..0000000
--- a/plugins/readability/readability.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#pragma once
-
-#define READABILITY_N 88067 + 1000
-
-void read_readability_js(char* string);
diff --git a/plugins/readability/readability.js b/plugins/readability/readability.js
deleted file mode 100644
index bf7169d..0000000
--- a/plugins/readability/readability.js
+++ /dev/null
@@ -1,2726 +0,0 @@
-/*eslint-env es6:false*/
-/*
- * Copyright (c) 2010 Arc90 Inc
- *
- * 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.
- */
-
-/*
- * This code is heavily based on Arc90's readability.js (1.7.1) script
- * available at: http://code.google.com/p/arc90labs-readability
- */
-
-/**
- * Public constructor.
- * @param {HTMLDocument} doc     The document to parse.
- * @param {Object}       options The options object.
- */
-function Readability(doc, options) {
-  // In some older versions, people passed a URI as the first argument. Cope:
-  if (options && options.documentElement) {
-    doc = options;
-    options = arguments[2];
-  } else if (!doc || !doc.documentElement) {
-    throw new Error(
-      "First argument to Readability constructor should be a document object."
-    );
-  }
-  options = options || {};
-
-  this._doc = doc;
-  this._docJSDOMParser = this._doc.firstChild.__JSDOMParser__;
-  this._articleTitle = null;
-  this._articleByline = null;
-  this._articleDir = null;
-  this._articleSiteName = null;
-  this._attempts = [];
-
-  // Configurable options
-  this._debug = !!options.debug;
-  this._maxElemsToParse =
-    options.maxElemsToParse || this.DEFAULT_MAX_ELEMS_TO_PARSE;
-  this._nbTopCandidates =
-    options.nbTopCandidates || this.DEFAULT_N_TOP_CANDIDATES;
-  this._charThreshold = options.charThreshold || this.DEFAULT_CHAR_THRESHOLD;
-  this._classesToPreserve = this.CLASSES_TO_PRESERVE.concat(
-    options.classesToPreserve || []
-  );
-  this._keepClasses = !!options.keepClasses;
-  this._serializer =
-    options.serializer ||
-    function (el) {
-      return el.innerHTML;
-    };
-  this._disableJSONLD = !!options.disableJSONLD;
-
-  // Start with all flags set
-  this._flags =
-    this.FLAG_STRIP_UNLIKELYS |
-    this.FLAG_WEIGHT_CLASSES |
-    this.FLAG_CLEAN_CONDITIONALLY;
-
-  // Control whether log messages are sent to the console
-  if (this._debug) {
-    let logNode = function (node) {
-      if (node.nodeType == node.TEXT_NODE) {
-        return `${node.nodeName} ("${node.textContent}")`;
-      }
-      let attrPairs = Array.from(node.attributes || [], function (attr) {
-        return `${attr.name}="${attr.value}"`;
-      }).join(" ");
-      return `<${node.localName} ${attrPairs}>`;
-    };
-    this.log = function () {
-      if (typeof dump !== "undefined") {
-        var msg = Array.prototype.map
-          .call(arguments, function (x) {
-            return x && x.nodeName ? logNode(x) : x;
-          })
-          .join(" ");
-        dump("Reader: (Readability) " + msg + "\n");
-      } else if (typeof console !== "undefined") {
-        let args = Array.from(arguments, (arg) => {
-          if (arg && arg.nodeType == this.ELEMENT_NODE) {
-            return logNode(arg);
-          }
-          return arg;
-        });
-        args.unshift("Reader: (Readability)");
-        console.log.apply(console, args);
-      }
-    };
-  } else {
-    this.log = function () {};
-  }
-}
-
-Readability.prototype = {
-  FLAG_STRIP_UNLIKELYS: 0x1,
-  FLAG_WEIGHT_CLASSES: 0x2,
-  FLAG_CLEAN_CONDITIONALLY: 0x4,
-
-  // https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
-  ELEMENT_NODE: 1,
-  TEXT_NODE: 3,
-
-  // Max number of nodes supported by this parser. Default: 0 (no limit)
-  DEFAULT_MAX_ELEMS_TO_PARSE: 0,
-
-  // The number of top candidates to consider when analysing how
-  // tight the competition is among candidates.
-  DEFAULT_N_TOP_CANDIDATES: 5,
-
-  // Element tags to score by default.
-  DEFAULT_TAGS_TO_SCORE: "section,h2,h3,h4,h5,h6,p,td,pre"
-    .toUpperCase()
-    .split(","),
-
-  // The default number of chars an article must have in order to return a result
-  DEFAULT_CHAR_THRESHOLD: 500,
-
-  // All of the regular expressions in use within readability.
-  // Defined up here so we don't instantiate them repeatedly in loops.
-  REGEXPS: {
-    // NOTE: These two regular expressions are duplicated in
-    // Readability-readerable.js. Please keep both copies in sync.
-    unlikelyCandidates:
-      /-ad-|ai2html|banner|breadcrumbs|combx|comment|community|cover-wrap|disqus|extra|footer|gdpr|header|legends|menu|related|remark|replies|rss|shoutbox|sidebar|skyscraper|social|sponsor|supplemental|ad-break|agegate|pagination|pager|popup|yom-remote/i,
-    okMaybeItsACandidate: /and|article|body|column|content|main|shadow/i,
-
-    positive:
-      /article|body|content|entry|hentry|h-entry|main|page|pagination|post|text|blog|story/i,
-    negative:
-      /-ad-|hidden|^hid$| hid$| hid |^hid |banner|combx|comment|com-|contact|foot|footer|footnote|gdpr|masthead|media|meta|outbrain|promo|related|scroll|share|shoutbox|sidebar|skyscraper|sponsor|shopping|tags|tool|widget/i,
-    extraneous:
-      /print|archive|comment|discuss|e[\-]?mail|share|reply|all|login|sign|single|utility/i,
-    byline: /byline|author|dateline|writtenby|p-author/i,
-    replaceFonts: /<(\/?)font[^>]*>/gi,
-    normalize: /\s{2,}/g,
-    videos:
-      /\/\/(www\.)?((dailymotion|youtube|youtube-nocookie|player\.vimeo|v\.qq)\.com|(archive|upload\.wikimedia)\.org|player\.twitch\.tv)/i,
-    shareElements: /(\b|_)(share|sharedaddy)(\b|_)/i,
-    nextLink: /(next|weiter|continue|>([^\|]|$)|»([^\|]|$))/i,
-    prevLink: /(prev|earl|old|new|<|«)/i,
-    tokenize: /\W+/g,
-    whitespace: /^\s*$/,
-    hasContent: /\S$/,
-    hashUrl: /^#.+/,
-    srcsetUrl: /(\S+)(\s+[\d.]+[xw])?(\s*(?:,|$))/g,
-    b64DataUrl: /^data:\s*([^\s;,]+)\s*;\s*base64\s*,/i,
-    // See: https://schema.org/Article
-    jsonLdArticleTypes:
-      /^Article|AdvertiserContentArticle|NewsArticle|AnalysisNewsArticle|AskPublicNewsArticle|BackgroundNewsArticle|OpinionNewsArticle|ReportageNewsArticle|ReviewNewsArticle|Report|SatiricalArticle|ScholarlyArticle|MedicalScholarlyArticle|SocialMediaPosting|BlogPosting|LiveBlogPosting|DiscussionForumPosting|TechArticle|APIReference$/,
-  },
-
-  UNLIKELY_ROLES: [
-    "menu",
-    "menubar",
-    "complementary",
-    "navigation",
-    "alert",
-    "alertdialog",
-    "dialog",
-  ],
-
-  DIV_TO_P_ELEMS: new Set([
-    "BLOCKQUOTE",
-    "DL",
-    "DIV",
-    "IMG",
-    "OL",
-    "P",
-    "PRE",
-    "TABLE",
-    "UL",
-  ]),
-
-  ALTER_TO_DIV_EXCEPTIONS: ["DIV", "ARTICLE", "SECTION", "P"],
-
-  PRESENTATIONAL_ATTRIBUTES: [
-    "align",
-    "background",
-    "bgcolor",
-    "border",
-    "cellpadding",
-    "cellspacing",
-    "frame",
-    "hspace",
-    "rules",
-    "style",
-    "valign",
-    "vspace",
-  ],
-
-  DEPRECATED_SIZE_ATTRIBUTE_ELEMS: ["TABLE", "TH", "TD", "HR", "PRE"],
-
-  // The commented out elements qualify as phrasing content but tend to be
-  // removed by readability when put into paragraphs, so we ignore them here.
-  PHRASING_ELEMS: [
-    // "CANVAS", "IFRAME", "SVG", "VIDEO",
-    "ABBR",
-    "AUDIO",
-    "B",
-    "BDO",
-    "BR",
-    "BUTTON",
-    "CITE",
-    "CODE",
-    "DATA",
-    "DATALIST",
-    "DFN",
-    "EM",
-    "EMBED",
-    "I",
-    "IMG",
-    "INPUT",
-    "KBD",
-    "LABEL",
-    "MARK",
-    "MATH",
-    "METER",
-    "NOSCRIPT",
-    "OBJECT",
-    "OUTPUT",
-    "PROGRESS",
-    "Q",
-    "RUBY",
-    "SAMP",
-    "SCRIPT",
-    "SELECT",
-    "SMALL",
-    "SPAN",
-    "STRONG",
-    "SUB",
-    "SUP",
-    "TEXTAREA",
-    "TIME",
-    "VAR",
-    "WBR",
-  ],
-
-  // These are the classes that readability sets itself.
-  CLASSES_TO_PRESERVE: ["page"],
-
-  // These are the list of HTML entities that need to be escaped.
-  HTML_ESCAPE_MAP: {
-    lt: "<",
-    gt: ">",
-    amp: "&",
-    quot: '"',
-    apos: "'",
-  },
-
-  /**
-   * Run any post-process modifications to article content as necessary.
-   *
-   * @param Element
-   * @return void
-   **/
-  _postProcessContent: function (articleContent) {
-    // Readability cannot open relative uris so we convert them to absolute uris.
-    this._fixRelativeUris(articleContent);
-
-    this._simplifyNestedElements(articleContent);
-
-    if (!this._keepClasses) {
-      // Remove classes.
-      this._cleanClasses(articleContent);
-    }
-  },
-
-  /**
-   * Iterates over a NodeList, calls `filterFn` for each node and removes node
-   * if function returned `true`.
-   *
-   * If function is not passed, removes all the nodes in node list.
-   *
-   * @param NodeList nodeList The nodes to operate on
-   * @param Function filterFn the function to use as a filter
-   * @return void
-   */
-  _removeNodes: function (nodeList, filterFn) {
-    // Avoid ever operating on live node lists.
-    if (this._docJSDOMParser && nodeList._isLiveNodeList) {
-      throw new Error("Do not pass live node lists to _removeNodes");
-    }
-    for (var i = nodeList.length - 1; i >= 0; i--) {
-      var node = nodeList[i];
-      var parentNode = node.parentNode;
-      if (parentNode) {
-        if (!filterFn || filterFn.call(this, node, i, nodeList)) {
-          parentNode.removeChild(node);
-        }
-      }
-    }
-  },
-
-  /**
-   * Iterates over a NodeList, and calls _setNodeTag for each node.
-   *
-   * @param NodeList nodeList The nodes to operate on
-   * @param String newTagName the new tag name to use
-   * @return void
-   */
-  _replaceNodeTags: function (nodeList, newTagName) {
-    // Avoid ever operating on live node lists.
-    if (this._docJSDOMParser && nodeList._isLiveNodeList) {
-      throw new Error("Do not pass live node lists to _replaceNodeTags");
-    }
-    for (const node of nodeList) {
-      this._setNodeTag(node, newTagName);
-    }
-  },
-
-  /**
-   * Iterate over a NodeList, which doesn't natively fully implement the Array
-   * interface.
-   *
-   * For convenience, the current object context is applied to the provided
-   * iterate function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The iterate function.
-   * @return void
-   */
-  _forEachNode: function (nodeList, fn) {
-    Array.prototype.forEach.call(nodeList, fn, this);
-  },
-
-  /**
-   * Iterate over a NodeList, and return the first node that passes
-   * the supplied test function
-   *
-   * For convenience, the current object context is applied to the provided
-   * test function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The test function.
-   * @return void
-   */
-  _findNode: function (nodeList, fn) {
-    return Array.prototype.find.call(nodeList, fn, this);
-  },
-
-  /**
-   * Iterate over a NodeList, return true if any of the provided iterate
-   * function calls returns true, false otherwise.
-   *
-   * For convenience, the current object context is applied to the
-   * provided iterate function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The iterate function.
-   * @return Boolean
-   */
-  _someNode: function (nodeList, fn) {
-    return Array.prototype.some.call(nodeList, fn, this);
-  },
-
-  /**
-   * Iterate over a NodeList, return true if all of the provided iterate
-   * function calls return true, false otherwise.
-   *
-   * For convenience, the current object context is applied to the
-   * provided iterate function.
-   *
-   * @param  NodeList nodeList The NodeList.
-   * @param  Function fn       The iterate function.
-   * @return Boolean
-   */
-  _everyNode: function (nodeList, fn) {
-    return Array.prototype.every.call(nodeList, fn, this);
-  },
-
-  /**
-   * Concat all nodelists passed as arguments.
-   *
-   * @return ...NodeList
-   * @return Array
-   */
-  _concatNodeLists: function () {
-    var slice = Array.prototype.slice;
-    var args = slice.call(arguments);
-    var nodeLists = args.map(function (list) {
-      return slice.call(list);
-    });
-    return Array.prototype.concat.apply([], nodeLists);
-  },
-
-  _getAllNodesWithTag: function (node, tagNames) {
-    if (node.querySelectorAll) {
-      return node.querySelectorAll(tagNames.join(","));
-    }
-    return [].concat.apply(
-      [],
-      tagNames.map(function (tag) {
-        var collection = node.getElementsByTagName(tag);
-        return Array.isArray(collection) ? collection : Array.from(collection);
-      })
-    );
-  },
-
-  /**
-   * Removes the class="" attribute from every element in the given
-   * subtree, except those that match CLASSES_TO_PRESERVE and
-   * the classesToPreserve array from the options object.
-   *
-   * @param Element
-   * @return void
-   */
-  _cleanClasses: function (node) {
-    var classesToPreserve = this._classesToPreserve;
-    var className = (node.getAttribute("class") || "")
-      .split(/\s+/)
-      .filter(function (cls) {
-        return classesToPreserve.indexOf(cls) != -1;
-      })
-      .join(" ");
-
-    if (className) {
-      node.setAttribute("class", className);
-    } else {
-      node.removeAttribute("class");
-    }
-
-    for (node = node.firstElementChild; node; node = node.nextElementSibling) {
-      this._cleanClasses(node);
-    }
-  },
-
-  /**
-   * Converts each <a> and <img> uri in the given element to an absolute URI,
-   * ignoring #ref URIs.
-   *
-   * @param Element
-   * @return void
-   */
-  _fixRelativeUris: function (articleContent) {
-    var baseURI = this._doc.baseURI;
-    var documentURI = this._doc.documentURI;
-    function toAbsoluteURI(uri) {
-      // Leave hash links alone if the base URI matches the document URI:
-      if (baseURI == documentURI && uri.charAt(0) == "#") {
-        return uri;
-      }
-
-      // Otherwise, resolve against base URI:
-      try {
-        return new URL(uri, baseURI).href;
-      } catch (ex) {
-        // Something went wrong, just return the original:
-      }
-      return uri;
-    }
-
-    var links = this._getAllNodesWithTag(articleContent, ["a"]);
-    this._forEachNode(links, function (link) {
-      var href = link.getAttribute("href");
-      if (href) {
-        // Remove links with javascript: URIs, since
-        // they won't work after scripts have been removed from the page.
-        if (href.indexOf("javascript:") === 0) {
-          // if the link only contains simple text content, it can be converted to a text node
-          if (
-            link.childNodes.length === 1 &&
-            link.childNodes[0].nodeType === this.TEXT_NODE
-          ) {
-            var text = this._doc.createTextNode(link.textContent);
-            link.parentNode.replaceChild(text, link);
-          } else {
-            // if the link has multiple children, they should all be preserved
-            var container = this._doc.createElement("span");
-            while (link.firstChild) {
-              container.appendChild(link.firstChild);
-            }
-            link.parentNode.replaceChild(container, link);
-          }
-        } else {
-          link.setAttribute("href", toAbsoluteURI(href));
-        }
-      }
-    });
-
-    var medias = this._getAllNodesWithTag(articleContent, [
-      "img",
-      "picture",
-      "figure",
-      "video",
-      "audio",
-      "source",
-    ]);
-
-    this._forEachNode(medias, function (media) {
-      var src = media.getAttribute("src");
-      var poster = media.getAttribute("poster");
-      var srcset = media.getAttribute("srcset");
-
-      if (src) {
-        media.setAttribute("src", toAbsoluteURI(src));
-      }
-
-      if (poster) {
-        media.setAttribute("poster", toAbsoluteURI(poster));
-      }
-
-      if (srcset) {
-        var newSrcset = srcset.replace(
-          this.REGEXPS.srcsetUrl,
-          function (_, p1, p2, p3) {
-            return toAbsoluteURI(p1) + (p2 || "") + p3;
-          }
-        );
-
-        media.setAttribute("srcset", newSrcset);
-      }
-    });
-  },
-
-  _simplifyNestedElements: function (articleContent) {
-    var node = articleContent;
-
-    while (node) {
-      if (
-        node.parentNode &&
-        ["DIV", "SECTION"].includes(node.tagName) &&
-        !(node.id && node.id.startsWith("readability"))
-      ) {
-        if (this._isElementWithoutContent(node)) {
-          node = this._removeAndGetNext(node);
-          continue;
-        } else if (
-          this._hasSingleTagInsideElement(node, "DIV") ||
-          this._hasSingleTagInsideElement(node, "SECTION")
-        ) {
-          var child = node.children[0];
-          for (var i = 0; i < node.attributes.length; i++) {
-            child.setAttribute(
-              node.attributes[i].name,
-              node.attributes[i].value
-            );
-          }
-          node.parentNode.replaceChild(child, node);
-          node = child;
-          continue;
-        }
-      }
-
-      node = this._getNextNode(node);
-    }
-  },
-
-  /**
-   * Get the article title as an H1.
-   *
-   * @return string
-   **/
-  _getArticleTitle: function () {
-    var doc = this._doc;
-    var curTitle = "";
-    var origTitle = "";
-
-    try {
-      curTitle = origTitle = doc.title.trim();
-
-      // If they had an element with id "title" in their HTML
-      if (typeof curTitle !== "string")
-        curTitle = origTitle = this._getInnerText(
-          doc.getElementsByTagName("title")[0]
-        );
-    } catch (e) {
-      /* ignore exceptions setting the title. */
-    }
-
-    var titleHadHierarchicalSeparators = false;
-    function wordCount(str) {
-      return str.split(/\s+/).length;
-    }
-
-    // If there's a separator in the title, first remove the final part
-    if (/ [\|\-\\\/>»] /.test(curTitle)) {
-      titleHadHierarchicalSeparators = / [\\\/>»] /.test(curTitle);
-      curTitle = origTitle.replace(/(.*)[\|\-\\\/>»] .*/gi, "$1");
-
-      // If the resulting title is too short (3 words or fewer), remove
-      // the first part instead:
-      if (wordCount(curTitle) < 3)
-        curTitle = origTitle.replace(/[^\|\-\\\/>»]*[\|\-\\\/>»](.*)/gi, "$1");
-    } else if (curTitle.indexOf(": ") !== -1) {
-      // Check if we have an heading containing this exact string, so we
-      // could assume it's the full title.
-      var headings = this._concatNodeLists(
-        doc.getElementsByTagName("h1"),
-        doc.getElementsByTagName("h2")
-      );
-      var trimmedTitle = curTitle.trim();
-      var match = this._someNode(headings, function (heading) {
-        return heading.textContent.trim() === trimmedTitle;
-      });
-
-      // If we don't, let's extract the title out of the original title string.
-      if (!match) {
-        curTitle = origTitle.substring(origTitle.lastIndexOf(":") + 1);
-
-        // If the title is now too short, try the first colon instead:
-        if (wordCount(curTitle) < 3) {
-          curTitle = origTitle.substring(origTitle.indexOf(":") + 1);
-          // But if we have too many words before the colon there's something weird
-          // with the titles and the H tags so let's just use the original title instead
-        } else if (wordCount(origTitle.substr(0, origTitle.indexOf(":"))) > 5) {
-          curTitle = origTitle;
-        }
-      }
-    } else if (curTitle.length > 150 || curTitle.length < 15) {
-      var hOnes = doc.getElementsByTagName("h1");
-
-      if (hOnes.length === 1) curTitle = this._getInnerText(hOnes[0]);
-    }
-
-    curTitle = curTitle.trim().replace(this.REGEXPS.normalize, " ");
-    // If we now have 4 words or fewer as our title, and either no
-    // 'hierarchical' separators (\, /, > or ») were found in the original
-    // title or we decreased the number of words by more than 1 word, use
-    // the original title.
-    var curTitleWordCount = wordCount(curTitle);
-    if (
-      curTitleWordCount <= 4 &&
-      (!titleHadHierarchicalSeparators ||
-        curTitleWordCount !=
-          wordCount(origTitle.replace(/[\|\-\\\/>»]+/g, "")) - 1)
-    ) {
-      curTitle = origTitle;
-    }
-
-    return curTitle;
-  },
-
-  /**
-   * Prepare the HTML document for readability to scrape it.
-   * This includes things like stripping javascript, CSS, and handling terrible markup.
-   *
-   * @return void
-   **/
-  _prepDocument: function () {
-    var doc = this._doc;
-
-    // Remove all style tags in head
-    this._removeNodes(this._getAllNodesWithTag(doc, ["style"]));
-
-    if (doc.body) {
-      this._replaceBrs(doc.body);
-    }
-
-    this._replaceNodeTags(this._getAllNodesWithTag(doc, ["font"]), "SPAN");
-  },
-
-  /**
-   * Finds the next node, starting from the given node, and ignoring
-   * whitespace in between. If the given node is an element, the same node is
-   * returned.
-   */
-  _nextNode: function (node) {
-    var next = node;
-    while (
-      next &&
-      next.nodeType != this.ELEMENT_NODE &&
-      this.REGEXPS.whitespace.test(next.textContent)
-    ) {
-      next = next.nextSibling;
-    }
-    return next;
-  },
-
-  /**
-   * Replaces 2 or more successive <br> elements with a single <p>.
-   * Whitespace between <br> elements are ignored. For example:
-   *   <div>foo<br>bar<br> <br><br>abc</div>
-   * will become:
-   *   <div>foo<br>bar<p>abc</p></div>
-   */
-  _replaceBrs: function (elem) {
-    this._forEachNode(this._getAllNodesWithTag(elem, ["br"]), function (br) {
-      var next = br.nextSibling;
-
-      // Whether 2 or more <br> elements have been found and replaced with a
-      // <p> block.
-      var replaced = false;
-
-      // If we find a <br> chain, remove the <br>s until we hit another node
-      // or non-whitespace. This leaves behind the first <br> in the chain
-      // (which will be replaced with a <p> later).
-      while ((next = this._nextNode(next)) && next.tagName == "BR") {
-        replaced = true;
-        var brSibling = next.nextSibling;
-        next.parentNode.removeChild(next);
-        next = brSibling;
-      }
-
-      // If we removed a <br> chain, replace the remaining <br> with a <p>. Add
-      // all sibling nodes as children of the <p> until we hit another <br>
-      // chain.
-      if (replaced) {
-        var p = this._doc.createElement("p");
-        br.parentNode.replaceChild(p, br);
-
-        next = p.nextSibling;
-        while (next) {
-          // If we've hit another <br><br>, we're done adding children to this <p>.
-          if (next.tagName == "BR") {
-            var nextElem = this._nextNode(next.nextSibling);
-            if (nextElem && nextElem.tagName == "BR") break;
-          }
-
-          if (!this._isPhrasingContent(next)) break;
-
-          // Otherwise, make this node a child of the new <p>.
-          var sibling = next.nextSibling;
-          p.appendChild(next);
-          next = sibling;
-        }
-
-        while (p.lastChild && this._isWhitespace(p.lastChild)) {
-          p.removeChild(p.lastChild);
-        }
-
-        if (p.parentNode.tagName === "P") this._setNodeTag(p.parentNode, "DIV");
-      }
-    });
-  },
-
-  _setNodeTag: function (node, tag) {
-    this.log("_setNodeTag", node, tag);
-    if (this._docJSDOMParser) {
-      node.localName = tag.toLowerCase();
-      node.tagName = tag.toUpperCase();
-      return node;
-    }
-
-    var replacement = node.ownerDocument.createElement(tag);
-    while (node.firstChild) {
-      replacement.appendChild(node.firstChild);
-    }
-    node.parentNode.replaceChild(replacement, node);
-    if (node.readability) replacement.readability = node.readability;
-
-    for (var i = 0; i < node.attributes.length; i++) {
-      try {
-        replacement.setAttribute(
-          node.attributes[i].name,
-          node.attributes[i].value
-        );
-      } catch (ex) {
-        /* it's possible for setAttribute() to throw if the attribute name
-         * isn't a valid XML Name. Such attributes can however be parsed from
-         * source in HTML docs, see https://github.com/whatwg/html/issues/4275,
-         * so we can hit them here and then throw. We don't care about such
-         * attributes so we ignore them.
-         */
-      }
-    }
-    return replacement;
-  },
-
-  /**
-   * Prepare the article node for display. Clean out any inline styles,
-   * iframes, forms, strip extraneous <p> tags, etc.
-   *
-   * @param Element
-   * @return void
-   **/
-  _prepArticle: function (articleContent) {
-    this._cleanStyles(articleContent);
-
-    // Check for data tables before we continue, to avoid removing items in
-    // those tables, which will often be isolated even though they're
-    // visually linked to other content-ful elements (text, images, etc.).
-    this._markDataTables(articleContent);
-
-    this._fixLazyImages(articleContent);
-
-    // Clean out junk from the article content
-    this._cleanConditionally(articleContent, "form");
-    this._cleanConditionally(articleContent, "fieldset");
-    this._clean(articleContent, "object");
-    this._clean(articleContent, "embed");
-    this._clean(articleContent, "footer");
-    this._clean(articleContent, "link");
-    this._clean(articleContent, "aside");
-
-    // Clean out elements with little content that have "share" in their id/class combinations from final top candidates,
-    // which means we don't remove the top candidates even they have "share".
-
-    var shareElementThreshold = this.DEFAULT_CHAR_THRESHOLD;
-
-    this._forEachNode(articleContent.children, function (topCandidate) {
-      this._cleanMatchedNodes(topCandidate, function (node, matchString) {
-        return (
-          this.REGEXPS.shareElements.test(matchString) &&
-          node.textContent.length < shareElementThreshold
-        );
-      });
-    });
-
-    this._clean(articleContent, "iframe");
-    this._clean(articleContent, "input");
-    this._clean(articleContent, "textarea");
-    this._clean(articleContent, "select");
-    this._clean(articleContent, "button");
-    this._cleanHeaders(articleContent);
-
-    // Do these last as the previous stuff may have removed junk
-    // that will affect these
-    this._cleanConditionally(articleContent, "table");
-    this._cleanConditionally(articleContent, "ul");
-    this._cleanConditionally(articleContent, "div");
-
-    // replace H1 with H2 as H1 should be only title that is displayed separately
-    this._replaceNodeTags(
-      this._getAllNodesWithTag(articleContent, ["h1"]),
-      "h2"
-    );
-
-    // Remove extra paragraphs
-    this._removeNodes(
-      this._getAllNodesWithTag(articleContent, ["p"]),
-      function (paragraph) {
-        var imgCount = paragraph.getElementsByTagName("img").length;
-        var embedCount = paragraph.getElementsByTagName("embed").length;
-        var objectCount = paragraph.getElementsByTagName("object").length;
-        // At this point, nasty iframes have been removed, only remain embedded video ones.
-        var iframeCount = paragraph.getElementsByTagName("iframe").length;
-        var totalCount = imgCount + embedCount + objectCount + iframeCount;
-
-        return totalCount === 0 && !this._getInnerText(paragraph, false);
-      }
-    );
-
-    this._forEachNode(
-      this._getAllNodesWithTag(articleContent, ["br"]),
-      function (br) {
-        var next = this._nextNode(br.nextSibling);
-        if (next && next.tagName == "P") br.parentNode.removeChild(br);
-      }
-    );
-
-    // Remove single-cell tables
-    this._forEachNode(
-      this._getAllNodesWithTag(articleContent, ["table"]),
-      function (table) {
-        var tbody = this._hasSingleTagInsideElement(table, "TBODY")
-          ? table.firstElementChild
-          : table;
-        if (this._hasSingleTagInsideElement(tbody, "TR")) {
-          var row = tbody.firstElementChild;
-          if (this._hasSingleTagInsideElement(row, "TD")) {
-            var cell = row.firstElementChild;
-            cell = this._setNodeTag(
-              cell,
-              this._everyNode(cell.childNodes, this._isPhrasingContent)
-                ? "P"
-                : "DIV"
-            );
-            table.parentNode.replaceChild(cell, table);
-          }
-        }
-      }
-    );
-  },
-
-  /**
-   * Initialize a node with the readability object. Also checks the
-   * className/id for special names to add to its score.
-   *
-   * @param Element
-   * @return void
-   **/
-  _initializeNode: function (node) {
-    node.readability = { contentScore: 0 };
-
-    switch (node.tagName) {
-      case "DIV":
-        node.readability.contentScore += 5;
-        break;
-
-      case "PRE":
-      case "TD":
-      case "BLOCKQUOTE":
-        node.readability.contentScore += 3;
-        break;
-
-      case "ADDRESS":
-      case "OL":
-      case "UL":
-      case "DL":
-      case "DD":
-      case "DT":
-      case "LI":
-      case "FORM":
-        node.readability.contentScore -= 3;
-        break;
-
-      case "H1":
-      case "H2":
-      case "H3":
-      case "H4":
-      case "H5":
-      case "H6":
-      case "TH":
-        node.readability.contentScore -= 5;
-        break;
-    }
-
-    node.readability.contentScore += this._getClassWeight(node);
-  },
-
-  _removeAndGetNext: function (node) {
-    var nextNode = this._getNextNode(node, true);
-    node.parentNode.removeChild(node);
-    return nextNode;
-  },
-
-  /**
-   * Traverse the DOM from node to node, starting at the node passed in.
-   * Pass true for the second parameter to indicate this node itself
-   * (and its kids) are going away, and we want the next node over.
-   *
-   * Calling this in a loop will traverse the DOM depth-first.
-   */
-  _getNextNode: function (node, ignoreSelfAndKids) {
-    // First check for kids if those aren't being ignored
-    if (!ignoreSelfAndKids && node.firstElementChild) {
-      return node.firstElementChild;
-    }
-    // Then for siblings...
-    if (node.nextElementSibling) {
-      return node.nextElementSibling;
-    }
-    // And finally, move up the parent chain *and* find a sibling
-    // (because this is depth-first traversal, we will have already
-    // seen the parent nodes themselves).
-    do {
-      node = node.parentNode;
-    } while (node && !node.nextElementSibling);
-    return node && node.nextElementSibling;
-  },
-
-  // compares second text to first one
-  // 1 = same text, 0 = completely different text
-  // works the way that it splits both texts into words and then finds words that are unique in second text
-  // the result is given by the lower length of unique parts
-  _textSimilarity: function (textA, textB) {
-    var tokensA = textA
-      .toLowerCase()
-      .split(this.REGEXPS.tokenize)
-      .filter(Boolean);
-    var tokensB = textB
-      .toLowerCase()
-      .split(this.REGEXPS.tokenize)
-      .filter(Boolean);
-    if (!tokensA.length || !tokensB.length) {
-      return 0;
-    }
-    var uniqTokensB = tokensB.filter((token) => !tokensA.includes(token));
-    var distanceB = uniqTokensB.join(" ").length / tokensB.join(" ").length;
-    return 1 - distanceB;
-  },
-
-  _checkByline: function (node, matchString) {
-    if (this._articleByline) {
-      return false;
-    }
-
-    if (node.getAttribute !==