@atlaskit/editor-plugin-annotation/dist/esm/pm-plugins/resolve-annotatable-target.js

Annotation plugin for @atlaskit/editor-core

import { findNodePosByLocalIds } from '@atlaskit/editor-common/utils/nodes-by-localIds';
import { isSupportedBlockNode } from './utils';

/**
 * Resolves the node to annotate for a `localId`: the node itself when it accepts an annotation
 * (allows the mark, or is a supported block node), otherwise its closest accepting ancestor.
 * Returns undefined when nothing in the ancestor chain accepts one.
 *
 * Kept in sync with the renderer implementation so both sides resolve the same node.
 */
export var resolveAnnotatableTargetFromLocalId = function resolveAnnotatableTargetFromLocalId(state, localId, opts) {
  var supportedBlockNodes = opts.supportedBlockNodes;
  var matches = findNodePosByLocalIds(state, [localId]);
  if (matches.length === 0) {
    return undefined;
  }
  var annotationMarkType = state.schema.marks.annotation;
  var nodeAcceptsAnnotation = function nodeAcceptsAnnotation(node) {
    return node.type.allowsMarkType(annotationMarkType) || isSupportedBlockNode(node, supportedBlockNodes);
  };
  var _matches$ = matches[0],
    node = _matches$.node,
    pos = _matches$.pos;
  if (nodeAcceptsAnnotation(node)) {
    return {
      node: node,
      pos: pos
    };
  }

  // Ancestors only — never descendants.
  var $pos = state.doc.resolve(pos);
  for (var depth = $pos.depth; depth >= 0; depth--) {
    var ancestor = $pos.node(depth);
    if (nodeAcceptsAnnotation(ancestor)) {
      return {
        node: ancestor,
        pos: depth === 0 ? 0 : $pos.before(depth)
      };
    }
  }
  return undefined;
};