districts-convert.js

(function(results) {
  let els = $('p.MsoNormal');

  for (let i = 0, size = els.length, prev; i < size; i++) {
    let text = $(els[i]).text();
    let ary = text.split(/\s+/);
    let code = ary[0];
    let name = ary[1];
    let level = text.split(/\s/).length - 1;

    let current = {
      code, name, level
    };

    if(!prev) {
      //
    } else if (current.level > prev.level) {
      current.parent = prev;
    } else if (current.level <= prev.level) {
      let parent = prev;

      while(parent && parent.level >= current.level ) {
        parent = parent.parent;
      }

      if(parent) {
        current.parent = parent;
      }
    }

    prev = current;

    console.log('>>', current);
    results.push(current);
  }
})(window.results=[])