@observablehq/notebook-inspector/src/dispatch.js

[](https://circleci.com/gh/observablehq/notebook-inspector/tree/master)

export default function dispatch(node, type, detail) {
  detail = detail || {};
  var document = node.ownerDocument, event = document.defaultView.CustomEvent;
  if (typeof event === "function") {
    event = new event(type, {detail: detail});
  } else {
    event = document.createEvent("Event");
    event.initEvent(type, false, false);
    event.detail = detail;
  }
  node.dispatchEvent(event);
}