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

CodeBlockAdvanced plugin for @atlaskit/editor-core

import { SafePlugin } from '@atlaskit/editor-common/safe-plugin';
import { lazyCodeBlockView } from '../nodeviews/lazyCodeBlockAdvanced';
import { shiftArrowDownWorkaround, shiftArrowUpWorkaround } from './shiftArrowKeyWorkaround';
export const createPlugin = props => {
  return new SafePlugin({
    props: {
      nodeViews: {
        codeBlock: lazyCodeBlockView(props)
      },
      // Custom selection behaviour to fix issues with codeblocks with Shift + Arrow{Up || Down}
      // These issues are also present in the prosemirror codemirror example and @marijnh suggests to
      // use custom event handlers: https://github.com/ProseMirror/website/issues/83
      handleKeyDown(view, event) {
        if (!(event instanceof KeyboardEvent)) {
          return false;
        }
        if (event.key === 'ArrowUp' && event.shiftKey) {
          return shiftArrowUpWorkaround(view, event);
        } else if (event.key === 'ArrowDown' && event.shiftKey) {
          return shiftArrowDownWorkaround(view, event);
        }
      }
    }
  });
};