/** * 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. * */ type Func = () => void; /** * Returns a function that will execute all functions passed when called. It is generally used * to register multiple lexical listeners and then tear them down with a single function call, such * as React's useEffect hook. * @example * ```ts * useEffect(() => { * return mergeRegister( * editor.registerCommand(...registerCommand1 logic), * editor.registerCommand(...registerCommand2 logic), * editor.registerCommand(...registerCommand3 logic) * ) * }, [editor]) * ``` * In this case, useEffect is returning the function returned by mergeRegister as a cleanup * function to be executed after either the useEffect runs again (due to one of its dependencies * updating) or the component it resides in unmounts. * Note the functions don't neccesarily need to be in an array as all arguements * are considered to be the func argument and spread from there. * @param func - An array of functions meant to be executed by the returned function. * @returns the function which executes all the passed register command functions. */ export default function mergeRegister(...func: Array): () => void; export {};