"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/utils.ts
var utils_exports = {};
__export(utils_exports, {
  buildOutgoingHttpHeaders: () => buildOutgoingHttpHeaders,
  readWithoutBlocking: () => readWithoutBlocking,
  writeFromReadableStream: () => writeFromReadableStream,
  writeFromReadableStreamDefaultReader: () => writeFromReadableStreamDefaultReader
});
module.exports = __toCommonJS(utils_exports);
async function readWithoutBlocking(readPromise) {
  return Promise.race([readPromise, Promise.resolve().then(() => Promise.resolve(void 0))]);
}
function writeFromReadableStreamDefaultReader(reader, writable, currentReadPromise) {
  const handleError = () => {
  };
  writable.on("error", handleError);
  (currentReadPromise ?? reader.read()).then(flow, handleStreamError);
  return reader.closed.finally(() => {
    writable.off("error", handleError);
  });
  function handleStreamError(error) {
    if (error) {
      writable.destroy(error);
    }
  }
  function onDrain() {
    reader.read().then(flow, handleStreamError);
  }
  function flow({ done, value }) {
    try {
      if (done) {
        writable.end();
      } else if (!writable.write(value)) {
        writable.once("drain", onDrain);
      } else {
        return reader.read().then(flow, handleStreamError);
      }
    } catch (e) {
      handleStreamError(e);
    }
  }
}
function writeFromReadableStream(stream, writable) {
  if (stream.locked) {
    throw new TypeError("ReadableStream is locked.");
  } else if (writable.destroyed) {
    return;
  }
  return writeFromReadableStreamDefaultReader(stream.getReader(), writable);
}
var buildOutgoingHttpHeaders = (headers) => {
  const res = {};
  if (!(headers instanceof Headers)) {
    headers = new Headers(headers ?? void 0);
  }
  const cookies = [];
  for (const [k, v] of headers) {
    if (k === "set-cookie") {
      cookies.push(v);
    } else {
      res[k] = v;
    }
  }
  if (cookies.length > 0) {
    res["set-cookie"] = cookies;
  }
  res["content-type"] ??= "text/plain; charset=UTF-8";
  return res;
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  buildOutgoingHttpHeaders,
  readWithoutBlocking,
  writeFromReadableStream,
  writeFromReadableStreamDefaultReader
});