@typespec/ts-http-runtime/dist/commonjs/retryStrategies/exponentialRetryStrategy.js

Isomorphic client library for making HTTP requests in node.js and browser.

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);
var exponentialRetryStrategy_exports = {};
__export(exponentialRetryStrategy_exports, {
  exponentialRetryStrategy: () => exponentialRetryStrategy,
  isExponentialRetryResponse: () => isExponentialRetryResponse,
  isSystemError: () => isSystemError
});
module.exports = __toCommonJS(exponentialRetryStrategy_exports);
var import_delay = require("../util/delay.js");
var import_throttlingRetryStrategy = require("./throttlingRetryStrategy.js");
const DEFAULT_CLIENT_RETRY_INTERVAL = 1e3;
const DEFAULT_CLIENT_MAX_RETRY_INTERVAL = 1e3 * 64;
function exponentialRetryStrategy(options = {}) {
  const retryInterval = options.retryDelayInMs ?? DEFAULT_CLIENT_RETRY_INTERVAL;
  const maxRetryInterval = options.maxRetryDelayInMs ?? DEFAULT_CLIENT_MAX_RETRY_INTERVAL;
  return {
    name: "exponentialRetryStrategy",
    retry({ retryCount, response, responseError }) {
      const matchedSystemError = isSystemError(responseError);
      const ignoreSystemErrors = matchedSystemError && options.ignoreSystemErrors;
      const isExponential = isExponentialRetryResponse(response);
      const ignoreExponentialResponse = isExponential && options.ignoreHttpStatusCodes;
      const unknownResponse = response && ((0, import_throttlingRetryStrategy.isThrottlingRetryResponse)(response) || !isExponential);
      if (unknownResponse || ignoreExponentialResponse || ignoreSystemErrors) {
        return { skipStrategy: true };
      }
      if (responseError && !matchedSystemError && !isExponential) {
        return { errorToThrow: responseError };
      }
      return (0, import_delay.calculateRetryDelay)(retryCount, {
        retryDelayInMs: retryInterval,
        maxRetryDelayInMs: maxRetryInterval
      });
    }
  };
}
function isExponentialRetryResponse(response) {
  return Boolean(
    response && response.status !== void 0 && (response.status >= 500 || response.status === 408) && response.status !== 501 && response.status !== 505
  );
}
function isSystemError(err) {
  if (!err) {
    return false;
  }
  return err.code === "ETIMEDOUT" || err.code === "ESOCKETTIMEDOUT" || err.code === "ECONNREFUSED" || err.code === "ECONNRESET" || err.code === "ENOENT" || err.code === "ENOTFOUND";
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  exponentialRetryStrategy,
  isExponentialRetryResponse,
  isSystemError
});
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