highlightText = (node, words) => {
    const fileText = node;
    const highlighted_text = words.reduce((text, word) => {
      return text.replace( new RegExp(word, 'g'), `<a id="${this.guidGenerator()}" class="highlighted">${word}</a>` );
    }, fileText);
    node = highlighted_text;
    console.log('node: ', node);
    // console.log(words);
    // this.highlightText(document.querySelector('#text_snippet'), words);
  }