@atlaskit/editor-plugin-block-menu/dist/es2019/pm-plugins/main.js

BlockMenu plugin for @atlaskit/editor-core

import { SafePlugin } from '@atlaskit/editor-common/safe-plugin';
import { PluginKey } from '@atlaskit/editor-prosemirror/state';
import { shouldSuppressKeyboardEvent } from './utils/shouldSuppressKeyboardEvent';
export const blockMenuPluginKey = new PluginKey('blockMenuPlugin');
export const createPlugin = api => {
  return new SafePlugin({
    key: blockMenuPluginKey,
    state: {
      init() {
        return {
          showFlag: false
        };
      },
      apply: (tr, currentPluginState) => {
        var _meta$showFlag;
        const meta = tr.getMeta(blockMenuPluginKey);
        return {
          showFlag: (_meta$showFlag = meta === null || meta === void 0 ? void 0 : meta.showFlag) !== null && _meta$showFlag !== void 0 ? _meta$showFlag : currentPluginState.showFlag
        };
      }
    },
    props: {
      handleKeyDown: (_editorView, event) => {
        var _api$userIntent, _api$userIntent$share;
        const blockMenuOpen = (api === null || api === void 0 ? void 0 : (_api$userIntent = api.userIntent) === null || _api$userIntent === void 0 ? void 0 : (_api$userIntent$share = _api$userIntent.sharedState.currentState()) === null || _api$userIntent$share === void 0 ? void 0 : _api$userIntent$share.currentUserIntent) === 'blockMenuOpen';

        // Exit early and do nothing when block menu is closed
        if (!blockMenuOpen) {
          return false;
        }

        // Block further handling of key events when block menu is open
        // Except for backspace/delete/copy/cut/paste/undo/redo/copy-link-to-selection which should be handled by the selection preservation plugin
        return shouldSuppressKeyboardEvent(event);
      }
    }
  });
};