@atlaskit/editor-plugin-media/dist/es2019/pm-plugins/linking/index.js

Media plugin for @atlaskit/editor-core

import { SafePlugin } from '@atlaskit/editor-common/safe-plugin';
import { pluginFactory } from '@atlaskit/editor-common/utils';
import { NodeSelection, PluginKey } from '@atlaskit/editor-prosemirror/state';
import reducer from './reducer';
export const mediaLinkingPluginKey = new PluginKey('mediaLinking');
const initialState = {
  visible: false,
  editable: false,
  mediaPos: null,
  link: ''
};
function mapping(tr, pluginState) {
  if (pluginState && pluginState.mediaPos !== null) {
    return {
      ...pluginState,
      mediaPos: tr.mapping.map(pluginState.mediaPos)
    };
  }
  return pluginState;
}
function onSelectionChanged(tr) {
  const isNodeSelection = tr.selection instanceof NodeSelection;
  if (!isNodeSelection) {
    return initialState;
  }
  const pos = tr.selection.$from.pos;
  const mediaPos = tr.selection.node.type.name === 'mediaInline' ? pos : pos + 1;
  const node = tr.doc.nodeAt(mediaPos);
  if (!node || !['media', 'mediaInline'].includes(node.type.name)) {
    return initialState;
  }
  const mark = node.marks.find(mark => mark.type.name === 'link');
  if (mark) {
    return {
      ...initialState,
      mediaPos,
      editable: true,
      link: mark.attrs.href
    };
  }
  return {
    ...initialState,
    mediaPos
  };
}
const mediaLinkingPluginFactory = pluginFactory(mediaLinkingPluginKey, reducer, {
  mapping,
  onSelectionChanged
});
export const createMediaLinkingCommand = mediaLinkingPluginFactory.createCommand;
export const getMediaLinkingState = mediaLinkingPluginFactory.getPluginState;
export default (dispatch => new SafePlugin({
  key: mediaLinkingPluginKey,
  state: mediaLinkingPluginFactory.createPluginState(dispatch, initialState)
}));