node_modules/@plotly/d3/src/selection/insert.js

import "selection";

d3_selectionPrototype.insert = function(name, before) {
  name = d3_selection_creator(name);
  before = d3_selection_selector(before);
  return this.select(function() {
    return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
  });
};