@atlaskit/editor-plugin-paste-options-toolbar/dist/es2019/pm-plugins/plugin-factory.js

Paste options toolbar for @atlaskit/editor-core

import { pluginFactory } from '@atlaskit/editor-common/utils';
import { PastePluginActionTypes } from '../editor-actions/actions';
import { pasteOptionsPluginKey } from '../types/types';
import { PASTE_OPTIONS_META_ID } from './constants';
import { reducer } from './reducer';
const dest = pluginFactory(pasteOptionsPluginKey, reducer, {
  mapping: (tr, pluginState) => {
    if (!tr.docChanged || !pluginState.showToolbar) {
      return pluginState;
    }
    const oldPasteStartPos = pluginState.pasteStartPos;
    const oldPasteEndPos = pluginState.pasteEndPos;
    const newPasteStartPos = tr.mapping.map(oldPasteStartPos);
    const newPasteEndPos = tr.mapping.map(oldPasteEndPos);

    //this is true when user changes format from the toolbar.
    //only change pasteEndPos in this case
    if (changedFormatFromToolbar(tr)) {
      return {
        ...pluginState,
        pasteEndPos: newPasteEndPos
      };
    }
    if (oldPasteStartPos === newPasteStartPos && oldPasteEndPos === newPasteEndPos) {
      return pluginState;
    }
    return {
      ...pluginState,
      pasteStartPos: newPasteStartPos,
      pasteEndPos: newPasteEndPos
    };
  },
  onSelectionChanged: (tr, pluginState) => {
    // Detect click outside the editor
    if (tr.getMeta('outsideProsemirrorEditorClicked')) {
      return {
        ...pluginState,
        showToolbar: false,
        highlightContent: false
      };
    }
    return pluginState;
  }
});
export const createPluginState = dest.createPluginState;
export const createCommand = dest.createCommand;
export const getPluginState = dest.getPluginState;
const changedFormatFromToolbar = tr => {
  const meta = tr.getMeta(PASTE_OPTIONS_META_ID);
  if (meta && meta.type === PastePluginActionTypes.CHANGE_FORMAT) {
    return true;
  }
  return false;
};