@atlaskit/editor-plugin-block-controls/dist/es2019/pm-plugins/utils/sparse-surfaces-state.js

Block controls plugin for @atlaskit/editor-core

import { DecorationSet } from '@atlaskit/editor-prosemirror/view';
import { isUnchangedTransaction, mapTransactionState, reducePendingState } from './sparse-surfaces-mapping';
export const createInitialSparseSurfacesState = candidates => ({
  activeNodesByPosition: new Map(),
  anchors: new Map(),
  candidates,
  decorations: DecorationSet.empty,
  documentChanged: false
});
const isReconciliationCommit = meta => (meta === null || meta === void 0 ? void 0 : meta.type) === 'commitReconciliation';
const commitReconciliation = (previous, meta) => ({
  ...previous,
  ...meta.reconciliation,
  documentChanged: false,
  invalidation: undefined
});
export const applySparseSurfacesTransaction = input => {
  if (isReconciliationCommit(input.meta)) {
    return commitReconciliation(input.previous, input.meta);
  }
  const pending = reducePendingState({
    invalidation: input.invalidation,
    previous: input.previous,
    tr: input.tr
  });
  if (isUnchangedTransaction({
    pending,
    previous: input.previous,
    tr: input.tr
  })) {
    return input.previous;
  }
  return mapTransactionState({
    newState: input.newState,
    pending,
    previous: input.previous,
    tr: input.tr
  });
};