mercury-parser/src/extractors/generic/content/scoring/add-score.js

import {
  getOrInitScore,
  setScore,
} from './index';

export default function addScore($node, $, amount) {
  try {
    const score = getOrInitScore($node, $) + amount;
    setScore($node, $, score);
  } catch (e) {
    // Ignoring; error occurs in scoreNode
  }

  return $node;
}