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

Alignment plugin for @atlaskit/editor-core

import { SafePlugin } from '@atlaskit/editor-common/safe-plugin';
import { PluginKey } from '@atlaskit/editor-prosemirror/state';
import { isAlignable } from '../editor-commands';
import { getActiveAlignment } from './utils';
function createInitialPluginState(editorState, pluginConfig) {
  return {
    align: getActiveAlignment(editorState) || pluginConfig.align,
    isEnabled: true
  };
}
export const pluginKey = new PluginKey('alignmentPlugin');
export function createPlugin(dispatch, pluginConfig) {
  return new SafePlugin({
    key: pluginKey,
    state: {
      init(_, editorState) {
        return createInitialPluginState(editorState, pluginConfig);
      },
      apply(_tr, state, _prevState, nextState) {
        // Ignored via go/ees005
        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
        const nextPluginState = getActiveAlignment(nextState);
        const isEnabled = isAlignable(nextPluginState)(nextState);
        const newState = {
          ...state,
          align: nextPluginState,
          isEnabled
        };
        if (nextPluginState !== state.align || isEnabled !== state.isEnabled) {
          dispatch(pluginKey, newState);
        }
        return newState;
      }
    }
  });
}