var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
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/index.ts
var src_exports = {};
__export(src_exports, {
  SignatureV4MultiRegion: () => SignatureV4MultiRegion,
  signatureV4CrtContainer: () => signatureV4CrtContainer
});
module.exports = __toCommonJS(src_exports);

// src/SignatureV4MultiRegion.ts
var import_middleware_sdk_s3 = require("@aws-sdk/middleware-sdk-s3");

// src/signature-v4-crt-container.ts
var signatureV4CrtContainer = {
  CrtSignerV4: null
};

// src/SignatureV4MultiRegion.ts
var _SignatureV4MultiRegion = class _SignatureV4MultiRegion {
  constructor(options) {
    this.sigv4Signer = new import_middleware_sdk_s3.SignatureV4S3Express(options);
    this.signerOptions = options;
  }
  async sign(requestToSign, options = {}) {
    if (options.signingRegion === "*") {
      if (this.signerOptions.runtime !== "node")
        throw new Error("This request requires signing with SigV4Asymmetric algorithm. It's only available in Node.js");
      return this.getSigv4aSigner().sign(requestToSign, options);
    }
    return this.sigv4Signer.sign(requestToSign, options);
  }
  /**
   * Sign with alternate credentials to the ones provided in the constructor.
   */
  async signWithCredentials(requestToSign, credentials, options = {}) {
    if (options.signingRegion === "*") {
      if (this.signerOptions.runtime !== "node")
        throw new Error("This request requires signing with SigV4Asymmetric algorithm. It's only available in Node.js");
      return this.getSigv4aSigner().signWithCredentials(requestToSign, credentials, options);
    }
    return this.sigv4Signer.signWithCredentials(requestToSign, credentials, options);
  }
  async presign(originalRequest, options = {}) {
    if (options.signingRegion === "*") {
      if (this.signerOptions.runtime !== "node")
        throw new Error("This request requires signing with SigV4Asymmetric algorithm. It's only available in Node.js");
      return this.getSigv4aSigner().presign(originalRequest, options);
    }
    return this.sigv4Signer.presign(originalRequest, options);
  }
  async presignWithCredentials(originalRequest, credentials, options = {}) {
    if (options.signingRegion === "*") {
      throw new Error("Method presignWithCredentials is not supported for [signingRegion=*].");
    }
    return this.sigv4Signer.presignWithCredentials(originalRequest, credentials, options);
  }
  getSigv4aSigner() {
    if (!this.sigv4aSigner) {
      let CrtSignerV4 = null;
      try {
        CrtSignerV4 = signatureV4CrtContainer.CrtSignerV4;
        if (typeof CrtSignerV4 !== "function")
          throw new Error();
      } catch (e) {
        e.message = `${e.message}
Please check whether you have installed the "@aws-sdk/signature-v4-crt" package explicitly. 
You must also register the package by calling [require("@aws-sdk/signature-v4-crt");] or an ESM equivalent such as [import "@aws-sdk/signature-v4-crt";]. 
For more information please go to https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt`;
        throw e;
      }
      this.sigv4aSigner = new CrtSignerV4({
        ...this.signerOptions,
        signingAlgorithm: 1
      });
    }
    return this.sigv4aSigner;
  }
};
__name(_SignatureV4MultiRegion, "SignatureV4MultiRegion");
var SignatureV4MultiRegion = _SignatureV4MultiRegion;
// Annotate the CommonJS export names for ESM import in node:

0 && (module.exports = {
  SignatureV4MultiRegion,
  signatureV4CrtContainer
});

