@lexical/react/src/shared/mergeRefs.ts

This package provides Lexical components and hooks for React applications.

/**
 * 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 type {Ref} from 'react';

export function mergeRefs<T>(...refs: Ref<T>[]): (value: null | T) => void {
  return value => {
    for (const ref of refs) {
      if (typeof ref === 'function') {
        ref(value);
      } else if (ref != null) {
        ref.current = value;
      }
    }
  };
}