alistair/dist/http/index.js

// Copyright 2026 Alistair Smith https://github.com/alii/alistair

// package.json
var version = "1.17.0";

// src/constants.ts
var IS_BROWSER = typeof window !== "undefined";

// src/http/utils.ts
function join(base, path) {
  const finalBase = base.charCodeAt(base.length - 1) === 47 ? base : base + "/";
  const finalPath = path.charCodeAt(0) === 47 ? path.substring(1) : path;
  return finalBase + finalPath;
}
function isBodyInit(body) {
  return typeof body === "string" || body instanceof ReadableStream || body instanceof Blob || body instanceof FormData || body instanceof URLSearchParams || typeof ArrayBuffer !== "undefined" && (ArrayBuffer.isView(body) || body instanceof ArrayBuffer);
}
function streamToBody(stream) {
  return new Response(stream).text();
}

// src/http/client.ts
var HTTPClientError = class _HTTPClientError extends Error {
  constructor(count, request, response) {
    super(_HTTPClientError.getErrorMessage(count, response));
    this.count = count;
    this.request = request;
    this.response = response;
  }
  static getErrorMessage = (count, response) => `Request failed after ${count} attempts with status ${response.status}`;
};
var defaultLifecycle = {
  before: async (req) => req,
  failure: async (count, request, response) => {
    throw new HTTPClientError(count, request, response);
  }
};
function createHTTPClient(rootOptions) {
  const options = {
    transform: (res) => res.json(),
    ...rootOptions,
    lifecycle: {
      ...defaultLifecycle,
      ...rootOptions.lifecycle
    }
  };
  const run = async (count, request) => {
    const response = await fetch(request);
    if (!response.ok) {
      const failure = await options.lifecycle.failure(count, request, response);
      if (failure instanceof Request) {
        return run(count + 1, failure);
      } else {
        throw new HTTPClientError(count, request, response);
      }
    }
    return response;
  };
  const createMethod = (method) => {
    return async (path, config = {}) => {
      const { body: userBody = undefined, headers: userHeaders, ...userInit } = config;
      const headers = new Headers(userHeaders);
      const init = {
        ...userInit,
        headers,
        method
      };
      if (!IS_BROWSER && !headers.has("User-Agent")) {
        headers.set("User-Agent", `alistair-http/${version}`);
      }
      if (userBody !== undefined) {
        const setContentType = headers.get("Content-Type");
        if (setContentType === null || setContentType === "application/json") {
          if (setContentType === null) {
            headers.set("Content-Type", "application/json");
          }
          init.body = JSON.stringify(userBody);
        } else if (userBody === null || isBodyInit(userBody)) {
          init.body = userBody;
        } else {
          throw new Error(
            "Cannot serialize body when a Content-Type header was set. Maybe you forgot to stringify?"
          );
        }
      }
      const request = await options.lifecycle.before(new Request(join(options.base, path), init));
      const response = await run(1, request);
      const transformed = await options.transform(response);
      return transformed;
    };
  };
  return {
    get: createMethod("get"),
    post: createMethod("post"),
    put: createMethod("put"),
    patch: createMethod("patch"),
    delete: createMethod("delete"),
    head: createMethod("head"),
    options: createMethod("options")
  };
}

export { HTTPClientError, createHTTPClient, defaultLifecycle, isBodyInit, join, streamToBody };