regexper-static/src/js/parser/javascript/literal.js

import _ from 'lodash';
import Base from './base.js';

export default _.extend({}, Base, {
  type: 'literal',

  _render() {
    return this.renderLabel('"' + this.literal.textValue + '"')
      .then(label => {
        label.select('rect').attr({
          rx: 3,
          ry: 3
        });
      });
  }
});