var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __commonJS = (cb, mod) => function __require() {
  return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
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 __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __publicField = (obj, key, value) => {
  __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
  return value;
};
var __accessCheck = (obj, member, msg) => {
  if (!member.has(obj))
    throw TypeError("Cannot " + msg);
};
var __privateGet = (obj, member, getter) => {
  __accessCheck(obj, member, "read from private field");
  return getter ? getter.call(obj) : member.get(obj);
};
var __privateAdd = (obj, member, value) => {
  if (member.has(obj))
    throw TypeError("Cannot add the same private member more than once");
  member instanceof WeakSet ? member.add(obj) : member.set(obj, value);
};
var __privateSet = (obj, member, value, setter) => {
  __accessCheck(obj, member, "write to private field");
  setter ? setter.call(obj, value) : member.set(obj, value);
  return value;
};
var __privateWrapper = (obj, member, setter, getter) => ({
  set _(value) {
    __privateSet(obj, member, value, setter);
  },
  get _() {
    return __privateGet(obj, member, getter);
  }
});

// node_modules/.pnpm/blueimp-md5@2.19.0/node_modules/blueimp-md5/js/md5.js
var require_md5 = __commonJS({
  "node_modules/.pnpm/blueimp-md5@2.19.0/node_modules/blueimp-md5/js/md5.js"(exports, module) {
    "use strict";
    (function($) {
      "use strict";
      function safeAdd(x, y) {
        var lsw = (x & 65535) + (y & 65535);
        var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
        return msw << 16 | lsw & 65535;
      }
      function bitRotateLeft(num, cnt) {
        return num << cnt | num >>> 32 - cnt;
      }
      function md5cmn(q, a, b, x, s, t) {
        return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
      }
      function md5ff(a, b, c, d, x, s, t) {
        return md5cmn(b & c | ~b & d, a, b, x, s, t);
      }
      function md5gg(a, b, c, d, x, s, t) {
        return md5cmn(b & d | c & ~d, a, b, x, s, t);
      }
      function md5hh(a, b, c, d, x, s, t) {
        return md5cmn(b ^ c ^ d, a, b, x, s, t);
      }
      function md5ii(a, b, c, d, x, s, t) {
        return md5cmn(c ^ (b | ~d), a, b, x, s, t);
      }
      function binlMD5(x, len) {
        x[len >> 5] |= 128 << len % 32;
        x[(len + 64 >>> 9 << 4) + 14] = len;
        var i;
        var olda;
        var oldb;
        var oldc;
        var oldd;
        var a = 1732584193;
        var b = -271733879;
        var c = -1732584194;
        var d = 271733878;
        for (i = 0; i < x.length; i += 16) {
          olda = a;
          oldb = b;
          oldc = c;
          oldd = d;
          a = md5ff(a, b, c, d, x[i], 7, -680876936);
          d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
          c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
          b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
          a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
          d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
          c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
          b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
          a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
          d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
          c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
          b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
          a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
          d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
          c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
          b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
          a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
          d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
          c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
          b = md5gg(b, c, d, a, x[i], 20, -373897302);
          a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
          d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
          c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
          b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
          a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
          d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
          c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
          b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
          a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
          d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
          c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
          b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
          a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
          d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
          c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
          b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
          a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
          d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
          c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
          b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
          a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
          d = md5hh(d, a, b, c, x[i], 11, -358537222);
          c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
          b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
          a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
          d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
          c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
          b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
          a = md5ii(a, b, c, d, x[i], 6, -198630844);
          d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
          c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
          b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
          a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
          d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
          c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
          b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
          a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
          d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
          c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
          b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
          a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
          d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
          c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
          b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
          a = safeAdd(a, olda);
          b = safeAdd(b, oldb);
          c = safeAdd(c, oldc);
          d = safeAdd(d, oldd);
        }
        return [a, b, c, d];
      }
      function binl2rstr(input) {
        var i;
        var output = "";
        var length32 = input.length * 32;
        for (i = 0; i < length32; i += 8) {
          output += String.fromCharCode(input[i >> 5] >>> i % 32 & 255);
        }
        return output;
      }
      function rstr2binl(input) {
        var i;
        var output = [];
        output[(input.length >> 2) - 1] = void 0;
        for (i = 0; i < output.length; i += 1) {
          output[i] = 0;
        }
        var length8 = input.length * 8;
        for (i = 0; i < length8; i += 8) {
          output[i >> 5] |= (input.charCodeAt(i / 8) & 255) << i % 32;
        }
        return output;
      }
      function rstrMD5(s) {
        return binl2rstr(binlMD5(rstr2binl(s), s.length * 8));
      }
      function rstrHMACMD5(key, data) {
        var i;
        var bkey = rstr2binl(key);
        var ipad = [];
        var opad = [];
        var hash;
        ipad[15] = opad[15] = void 0;
        if (bkey.length > 16) {
          bkey = binlMD5(bkey, key.length * 8);
        }
        for (i = 0; i < 16; i += 1) {
          ipad[i] = bkey[i] ^ 909522486;
          opad[i] = bkey[i] ^ 1549556828;
        }
        hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
        return binl2rstr(binlMD5(opad.concat(hash), 512 + 128));
      }
      function rstr2hex(input) {
        var hexTab = "0123456789abcdef";
        var output = "";
        var x;
        var i;
        for (i = 0; i < input.length; i += 1) {
          x = input.charCodeAt(i);
          output += hexTab.charAt(x >>> 4 & 15) + hexTab.charAt(x & 15);
        }
        return output;
      }
      function str2rstrUTF8(input) {
        return unescape(encodeURIComponent(input));
      }
      function rawMD5(s) {
        return rstrMD5(str2rstrUTF8(s));
      }
      function hexMD5(s) {
        return rstr2hex(rawMD5(s));
      }
      function rawHMACMD5(k, d) {
        return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d));
      }
      function hexHMACMD5(k, d) {
        return rstr2hex(rawHMACMD5(k, d));
      }
      function md52(string, key, raw) {
        if (!key) {
          if (!raw) {
            return hexMD5(string);
          }
          return rawMD5(string);
        }
        if (!raw) {
          return hexHMACMD5(key, string);
        }
        return rawHMACMD5(key, string);
      }
      if (typeof define === "function" && define.amd) {
        define(function() {
          return md52;
        });
      } else if (typeof module === "object" && module.exports) {
        module.exports = md52;
      } else {
        $.md5 = md52;
      }
    })(exports);
  }
});

// src/index.ts
var import_blueimp_md5 = __toESM(require_md5());
import { dirname, extname, relative, resolve } from "path";
import axios from "axios";
import { createWriteStream, emptyDir, ensureDir, existsSync, unlink } from "fs-extra";
import _debug from "debug";
import MagicString from "magic-string";

// node_modules/.pnpm/@antfu+utils@0.7.6/node_modules/@antfu/utils/dist/index.mjs
function slash(str) {
  return str.replace(/\\/g, "/");
}
var Node = class {
  constructor(value) {
    __publicField(this, "value");
    __publicField(this, "next");
    this.value = value;
  }
};
var _head, _tail, _size;
var Queue = class {
  constructor() {
    __privateAdd(this, _head, void 0);
    __privateAdd(this, _tail, void 0);
    __privateAdd(this, _size, void 0);
    this.clear();
  }
  enqueue(value) {
    const node = new Node(value);
    if (__privateGet(this, _head)) {
      __privateGet(this, _tail).next = node;
      __privateSet(this, _tail, node);
    } else {
      __privateSet(this, _head, node);
      __privateSet(this, _tail, node);
    }
    __privateWrapper(this, _size)._++;
  }
  dequeue() {
    const current = __privateGet(this, _head);
    if (!current) {
      return;
    }
    __privateSet(this, _head, __privateGet(this, _head).next);
    __privateWrapper(this, _size)._--;
    return current.value;
  }
  clear() {
    __privateSet(this, _head, void 0);
    __privateSet(this, _tail, void 0);
    __privateSet(this, _size, 0);
  }
  get size() {
    return __privateGet(this, _size);
  }
  *[Symbol.iterator]() {
    let current = __privateGet(this, _head);
    while (current) {
      yield current.value;
      current = current.next;
    }
  }
};
_head = new WeakMap();
_tail = new WeakMap();
_size = new WeakMap();
var VOID = Symbol("p-void");

// src/index.ts
var DefaultRules = [
  {
    match: /\b(https?:\/\/[\w_#&?.\/-]*?\.(?:png|jpe?g|svg|ico))(?=[`'")\]])/ig
  }
];
function isValidHttpUrl(str) {
  let url;
  try {
    url = new URL(str);
  } catch (_) {
    return false;
  }
  return url.protocol === "http:" || url.protocol === "https:";
}
function sleep(seconds) {
  return new Promise((resolve2) => setTimeout(resolve2, seconds * 1e3));
}
var debug = _debug("vite-plugin-remote-assets");
function VitePluginRemoteAssets(options = {}) {
  const {
    assetsDir = "node_modules/.remote-assets",
    rules = DefaultRules,
    resolveMode = "relative",
    awaitDownload = true,
    retryTooManyRequests = false
  } = options;
  let dir = void 0;
  let config;
  let server;
  async function downloadTo(url, filepath, { retryTooManyRequests: retryTooManyRequests2 }) {
    const writer = createWriteStream(filepath);
    const response = await axios({
      url,
      method: "GET",
      validateStatus: (status) => {
        if (status >= 200 && status < 300)
          return true;
        else if (retryTooManyRequests2 && status === 429)
          return true;
        else
          return false;
      },
      responseType: "stream"
    });
    if (response.status === 429) {
      const retryAfter = response.headers["retry-after"];
      if (!retryAfter) {
        throw new Error(`${url}: 429 without retry-after header`);
      } else {
        debug(`${url}: 429, retry after ${retryAfter} seconds`);
        await sleep(retryAfter);
        return await downloadTo(url, filepath, { retryTooManyRequests: retryTooManyRequests2 });
      }
    }
    response.data.pipe(writer);
    return new Promise((resolve2, reject) => {
      writer.on("finish", resolve2);
      writer.on("error", reject);
    });
  }
  const tasksMap = {};
  async function transform(code, id) {
    const tasks = [];
    const s = new MagicString(code);
    let hasReplaced = false;
    let match;
    for (const rule of rules) {
      rule.match.lastIndex = 0;
      while (match = rule.match.exec(code)) {
        const start = match.index;
        const end = start + match[0].length;
        const url = match[0];
        if (!url || !isValidHttpUrl(url))
          continue;
        const hash = (0, import_blueimp_md5.default)(url) + (rule.ext || extname(url));
        const filepath = slash(resolve(dir, hash));
        debug("detected", url, hash);
        if (!existsSync(filepath) || tasksMap[filepath]) {
          if (!tasksMap[filepath]) {
            tasksMap[filepath] = (async () => {
              try {
                debug("downloading", url);
                await downloadTo(url, filepath, { retryTooManyRequests });
                debug("downloaded", url);
              } catch (e) {
                if (existsSync(filepath))
                  await unlink(filepath);
                throw e;
              } finally {
                delete tasksMap[filepath];
              }
            })();
          }
          tasks.push(tasksMap[filepath]);
          if (!awaitDownload)
            continue;
        }
        hasReplaced = true;
        const mode = typeof resolveMode === "function" ? resolveMode(id, url) : resolveMode;
        let newUrl;
        if (mode === "relative") {
          newUrl = slash(relative(dirname(id), `${dir}/${hash}`));
          if (newUrl[0] !== ".")
            newUrl = `./${newUrl}`;
        } else {
          let path = `${dir}/${hash}`;
          if (!path.startsWith("/"))
            path = `/${path}`;
          newUrl = `/@fs${path}`;
        }
        s.overwrite(start, end, newUrl);
      }
    }
    if (tasks.length) {
      if (awaitDownload) {
        await Promise.all(tasks);
      } else {
        Promise.all(tasks).then(() => {
          if (server) {
            const module = server.moduleGraph.getModuleById(id);
            if (module)
              server.moduleGraph.invalidateModule(module);
          }
        });
      }
    }
    if (!hasReplaced)
      return null;
    return {
      code: s.toString(),
      map: config.build.sourcemap ? s.generateMap({ hires: true }) : null
    };
  }
  return {
    name: "vite-plugin-remote-assets",
    enforce: "pre",
    async configResolved(_config) {
      config = _config;
      dir = slash(resolve(config.root, assetsDir));
      if (config.server.force)
        await emptyDir(dir);
      await ensureDir(dir);
    },
    configureServer(_server) {
      server = _server;
    },
    async transform(code, id) {
      return await transform(code, id);
    },
    transformIndexHtml: {
      enforce: "pre",
      async transform(code, ctx) {
        var _a;
        return (_a = await transform(code, ctx.filename)) == null ? void 0 : _a.code;
      }
    }
  };
}
var src_default = VitePluginRemoteAssets;
export {
  DefaultRules,
  VitePluginRemoteAssets,
  src_default as default
};