@atlaskit/editor-plugin-show-diff/dist/es2019/pm-plugins/decorations/utils/getWidgetElement.js

ShowDiff plugin for @atlaskit/editor-core

// prosemirror-view does not type `Decoration.type`; a widget's `type.toDOM` is the node passed to
// `Decoration.widget()` (an element or a factory — the `WidgetConstructor` union).

// The element a widget renders, or undefined if it renders via a factory.
export const getWidgetElement = decoration => {
  var _type;
  const {
    toDOM
  } = (_type = decoration.type) !== null && _type !== void 0 ? _type : {};
  return toDOM instanceof HTMLElement ? toDOM : undefined;
};