Function scoreNode

lib/reader.js:590–602

* Add score to the node. * @param node the node element. * @param score score bonus. * @param cans candidates. * @param scoreRule function of scoring.

(node, score, cans, scoreRule)

 * @param scoreRule function of scoring.
 */
function scoreNode(node, score, cans, scoreRule){
  if (!node.data(scoreKey)) {
    score += initNode(node);
    cans.push(node);
  } else {
    score += node.data(scoreKey);
  }
  if (typeof scoreRule == 'function') {
    var sr = scoreRule(node);
    score += !isNaN(sr) ? sr : 0;
  }
  node.data(scoreKey, score);
}

/**
 * Get a node's weight by regular expressions.