@lexical/overflow/LexicalOverflow.dev.mjs

This package contains selection overflow helpers and nodes for Lexical.

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

import { ElementNode, $applyNodeReplacement } from 'lexical';

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

// Do not require this module directly! Use normal `invariant` calls.

function formatDevErrorMessage(message) {
  throw new Error(message);
}

/** @noInheritDoc */
class OverflowNode extends ElementNode {
  static getType() {
    return 'overflow';
  }
  static clone(node) {
    return new OverflowNode(node.__key);
  }
  static importJSON(serializedNode) {
    return $createOverflowNode().updateFromJSON(serializedNode);
  }
  static importDOM() {
    return null;
  }
  createDOM(config) {
    const div = document.createElement('span');
    const className = config.theme.characterLimit;
    if (typeof className === 'string') {
      div.className = className;
    }
    return div;
  }
  updateDOM(prevNode, dom) {
    return false;
  }
  insertNewAfter(selection, restoreSelection = true) {
    const parent = this.getParentOrThrow();
    return parent.insertNewAfter(selection, restoreSelection);
  }
  excludeFromCopy() {
    return true;
  }
  static transform() {
    return node => {
      if (!$isOverflowNode(node)) {
        formatDevErrorMessage(`node is not a OverflowNode`);
      }
      if (node.isEmpty()) {
        node.remove();
      }
    };
  }
}
function $createOverflowNode() {
  return $applyNodeReplacement(new OverflowNode());
}
function $isOverflowNode(node) {
  return node instanceof OverflowNode;
}

export { $createOverflowNode, $isOverflowNode, OverflowNode };