_getLinkDensity()

in Readability.js [2127:2143]

• 13 lines of code
• 4 McCabe index (conditional complexity)

  _getLinkDensity(element) {
    var textLength = this._getInnerText(element).length;
    if (textLength === 0) {
      return 0;
    }

    var linkLength = 0;

    // XXX implement _reduceNodeList?
    this._forEachNode(element.getElementsByTagName("a"), function (linkNode) {
      var href = linkNode.getAttribute("href");
      var coefficient = href && this.REGEXPS.hashUrl.test(href) ? 0.3 : 1;
      linkLength += this._getInnerText(linkNode).length * coefficient;
    });

    return linkLength / textLength;
  },