@atlaskit/editor-plugin-history/dist/es2019/editor-actions/utils.js

History plugin for @atlaskit/editor-core

import { pmHistoryPluginKey } from '@atlaskit/editor-common/utils';
// Internal prosemirror history plugin does not export its plugin key.
// Previously we searched through all the plugins to find the history plugin
// but it's faster to look up the plugin directly via `getState`.
const fakePluginKey = {
  key: pmHistoryPluginKey,
  getState: state => {
    // The plugin key is used to index state
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    return state[pmHistoryPluginKey];
  },
  get(state) {
    return state.plugins.find(
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    plugin => plugin.key === pmHistoryPluginKey);
  }
};
export const getPmHistoryPluginState = state => {
  return fakePluginKey.getState(state);
};