$()

in docfx/_exported_templates/default/styles/docfx.js [85:117]

• 27 lines of code
• 10 McCabe index (conditional complexity)

    $('pre code[highlight-lines]').each(function (i, block) {
      if (block.innerHTML === "") return;
      var lines = block.innerHTML.split('\n');

      queryString = block.getAttribute('highlight-lines');
      if (!queryString) return;

      var ranges = queryString.split(',');
      for (var j = 0, range; range = ranges[j++];) {
        var found = range.match(/^(\d+)\-(\d+)?$/);
        if (found) {
          // consider region as `{startlinenumber}-{endlinenumber}`, in which {endlinenumber} is optional
          var start = +found[1];
          var end = +found[2];
          if (isNaN(end) || end > lines.length) {
            end = lines.length;
          }
        } else {
          // consider region as a sigine line number
          if (isNaN(range)) continue;
          var start = +range;
          var end = start;
        }
        if (start <= 0 || end <= 0 || start > end || start > lines.length) {
          // skip current region if invalid
          continue;
        }
        lines[start - 1] = '<span class="line-highlight">' + lines[start - 1];
        lines[end - 1] = lines[end - 1] + '</span>';
      }

      block.innerHTML = lines.join('\n');
    });