knowledge/node_modules/minio/dist/esm/internal/callbackify.mjs

/* eslint-disable @typescript-eslint/no-explicit-any */

// Wrapper for an async function that supports callback style API.
// It will preserve 'this'.
export function callbackify(fn) {
  return function (...args) {
    const lastArg = args[args.length - 1];
    if (typeof lastArg === 'function') {
      const callback = args.pop();
      return fn.apply(this, args).then(result => callback(null, result), err => callback(err));
    }
    return fn.apply(this, args);
  };
}
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