@atlaskit/editor-core/src/plugins/rule/keymap.ts

A package contains Atlassian editor core functionality

import { Schema, keymap, Plugin } from '../../prosemirror';
import * as keymaps from '../../keymaps';
import * as commands from '../../commands';
import { trackAndInvoke } from '../../analytics';

export function keymapPlugin(schema: Schema<any, any>): Plugin {
  const list = {};

  keymaps.bindKeymapWithCommand(keymaps.insertRule.common!, trackAndInvoke('atlassian.editor.format.horizontalrule.keyboard', commands.insertRule()), list);

  keymaps.bindKeymapWithCommand(keymaps.escape.common!, (state: any, dispatch) => {
    return true;
  }, list);

  return keymap(list);
}

export default keymapPlugin;