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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.//// Adapted from Node.js. Copyright Joyent, Inc. and other Node contributors.//// Permission is hereby granted, free of charge, to any person obtaining a// copy of this software and associated documentation files (the// "Software"), to deal in the Software without restriction, including// without limitation the rights to use, copy, modify, merge, publish,// distribute, sublicense, and/or sell copies of the Software, and to permit// persons to whom the Software is furnished to do so, subject to the// following conditions://// The above copyright notice and this permission notice shall be included// in all copies or substantial portions of the Software.//// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE// USE OR OTHER DEALINGS IN THE SOFTWARE.
// These are simplified versions of the "real" errors in Node.
import { nextTick } from "../_next_tick.ts";
class NodeFalsyValueRejectionError extends Error {  public reason: unknown;  public code = "ERR_FALSY_VALUE_REJECTION";  constructor(reason: unknown) {    super("Promise was rejected with falsy value");    this.reason = reason;  }}class NodeInvalidArgTypeError extends TypeError {  public code = "ERR_INVALID_ARG_TYPE";  constructor(argumentName: string) {    super(`The ${argumentName} argument must be of type function.`);  }}
type Callback<ResultT> =  | ((err: Error) => void)  | ((err: null, result: ResultT) => void);
function callbackify<ResultT>(  fn: () => PromiseLike<ResultT>,): (callback: Callback<ResultT>) => void;function callbackify<ArgT, ResultT>(  fn: (arg: ArgT) => PromiseLike<ResultT>,): (arg: ArgT, callback: Callback<ResultT>) => void;function callbackify<Arg1T, Arg2T, ResultT>(  fn: (arg1: Arg1T, arg2: Arg2T) => PromiseLike<ResultT>,): (arg1: Arg1T, arg2: Arg2T, callback: Callback<ResultT>) => void;function callbackify<Arg1T, Arg2T, Arg3T, ResultT>(  fn: (arg1: Arg1T, arg2: Arg2T, arg3: Arg3T) => PromiseLike<ResultT>,): (arg1: Arg1T, arg2: Arg2T, arg3: Arg3T, callback: Callback<ResultT>) => void;function callbackify<Arg1T, Arg2T, Arg3T, Arg4T, ResultT>(  fn: (    arg1: Arg1T,    arg2: Arg2T,    arg3: Arg3T,    arg4: Arg4T,  ) => PromiseLike<ResultT>,): (  arg1: Arg1T,  arg2: Arg2T,  arg3: Arg3T,  arg4: Arg4T,  callback: Callback<ResultT>,) => void;function callbackify<Arg1T, Arg2T, Arg3T, Arg4T, Arg5T, ResultT>(  fn: (    arg1: Arg1T,    arg2: Arg2T,    arg3: Arg3T,    arg4: Arg4T,    arg5: Arg5T,  ) => PromiseLike<ResultT>,): (  arg1: Arg1T,  arg2: Arg2T,  arg3: Arg3T,  arg4: Arg4T,  arg5: Arg5T,  callback: Callback<ResultT>,) => void;
function callbackify<ResultT>(  original: (...args: unknown[]) => PromiseLike<ResultT>,): (...args: unknown[]) => void {  if (typeof original !== "function") {    throw new NodeInvalidArgTypeError('"original"');  }
  const callbackified = function (this: unknown, ...args: unknown[]) {    const maybeCb = args.pop();    if (typeof maybeCb !== "function") {      throw new NodeInvalidArgTypeError("last");    }    const cb = (...args: unknown[]) => {      maybeCb.apply(this, args);    };    original.apply(this, args).then(      (ret: unknown) => {        nextTick(cb.bind(this, null, ret));      },      (rej: unknown) => {        rej = rej || new NodeFalsyValueRejectionError(rej);        nextTick(cb.bind(this, rej));      },    );  };
  const descriptors = Object.getOwnPropertyDescriptors(original);  // It is possible to manipulate a functions `length` or `name` property. This  // guards against the manipulation.  if (typeof descriptors.length.value === "number") {    descriptors.length.value++;  }  if (typeof descriptors.name.value === "string") {    descriptors.name.value += "Callbackified";  }  Object.defineProperties(callbackified, descriptors);  return callbackified;}
export { callbackify };