@upstash/workflow/h3.mjs

Durable, Reliable and Performant Serverless Functions

import {
  SDK_TELEMETRY,
  serveBase,
  serveManyBase
} from "./chunk-BON2RKOR.mjs";

// node_modules/defu/dist/defu.mjs
function isPlainObject(value) {
  if (value === null || typeof value !== "object") {
    return false;
  }
  const prototype = Object.getPrototypeOf(value);
  if (prototype !== null && prototype !== Object.prototype && Object.getPrototypeOf(prototype) !== null) {
    return false;
  }
  if (Symbol.iterator in value) {
    return false;
  }
  if (Symbol.toStringTag in value) {
    return Object.prototype.toString.call(value) === "[object Module]";
  }
  return true;
}
function _defu(baseObject, defaults, namespace = ".", merger) {
  if (!isPlainObject(defaults)) {
    return _defu(baseObject, {}, namespace, merger);
  }
  const object = Object.assign({}, defaults);
  for (const key in baseObject) {
    if (key === "__proto__" || key === "constructor") {
      continue;
    }
    const value = baseObject[key];
    if (value === null || value === void 0) {
      continue;
    }
    if (merger && merger(object, key, value, namespace)) {
      continue;
    }
    if (Array.isArray(value) && Array.isArray(object[key])) {
      object[key] = [...value, ...object[key]];
    } else if (isPlainObject(value) && isPlainObject(object[key])) {
      object[key] = _defu(
        value,
        object[key],
        (namespace ? `${namespace}.` : "") + key.toString(),
        merger
      );
    } else {
      object[key] = value;
    }
  }
  return object;
}
function createDefu(merger) {
  return (...arguments_) => (
    // eslint-disable-next-line unicorn/no-array-reduce
    arguments_.reduce((p, c) => _defu(p, c, "", merger), {})
  );
}
var defu = createDefu();
var defuFn = createDefu((object, key, currentValue) => {
  if (object[key] !== void 0 && typeof currentValue === "function") {
    object[key] = currentValue(object[key]);
    return true;
  }
});
var defuArrayFn = createDefu((object, key, currentValue) => {
  if (Array.isArray(object[key]) && typeof currentValue === "function") {
    object[key] = currentValue(object[key]);
    return true;
  }
});

// node_modules/h3/dist/index.mjs
function hasProp(obj, prop) {
  try {
    return prop in obj;
  } catch {
    return false;
  }
}
var __defProp$2 = Object.defineProperty;
var __defNormalProp$2 = (obj, key, value) => key in obj ? __defProp$2(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField$2 = (obj, key, value) => {
  __defNormalProp$2(obj, typeof key !== "symbol" ? key + "" : key, value);
  return value;
};
var H3Error = class extends Error {
  constructor(message, opts = {}) {
    super(message, opts);
    __publicField$2(this, "statusCode", 500);
    __publicField$2(this, "fatal", false);
    __publicField$2(this, "unhandled", false);
    __publicField$2(this, "statusMessage");
    __publicField$2(this, "data");
    __publicField$2(this, "cause");
    if (opts.cause && !this.cause) {
      this.cause = opts.cause;
    }
  }
  toJSON() {
    const obj = {
      message: this.message,
      statusCode: sanitizeStatusCode(this.statusCode, 500)
    };
    if (this.statusMessage) {
      obj.statusMessage = sanitizeStatusMessage(this.statusMessage);
    }
    if (this.data !== void 0) {
      obj.data = this.data;
    }
    return obj;
  }
};
__publicField$2(H3Error, "__h3_error__", true);
function createError(input) {
  if (typeof input === "string") {
    return new H3Error(input);
  }
  if (isError(input)) {
    return input;
  }
  const err = new H3Error(input.message ?? input.statusMessage ?? "", {
    cause: input.cause || input
  });
  if (hasProp(input, "stack")) {
    try {
      Object.defineProperty(err, "stack", {
        get() {
          return input.stack;
        }
      });
    } catch {
      try {
        err.stack = input.stack;
      } catch {
      }
    }
  }
  if (input.data) {
    err.data = input.data;
  }
  if (input.statusCode) {
    err.statusCode = sanitizeStatusCode(input.statusCode, err.statusCode);
  } else if (input.status) {
    err.statusCode = sanitizeStatusCode(input.status, err.statusCode);
  }
  if (input.statusMessage) {
    err.statusMessage = input.statusMessage;
  } else if (input.statusText) {
    err.statusMessage = input.statusText;
  }
  if (err.statusMessage) {
    const originalMessage = err.statusMessage;
    const sanitizedMessage = sanitizeStatusMessage(err.statusMessage);
    if (sanitizedMessage !== originalMessage) {
      console.warn(
        "[h3] Please prefer using `message` for longer error messages instead of `statusMessage`. In the future, `statusMessage` will be sanitized by default."
      );
    }
  }
  if (input.fatal !== void 0) {
    err.fatal = input.fatal;
  }
  if (input.unhandled !== void 0) {
    err.unhandled = input.unhandled;
  }
  return err;
}
function isError(input) {
  return input?.constructor?.__h3_error__ === true;
}
function isMethod(event, expected, allowHead) {
  if (allowHead && event.method === "HEAD") {
    return true;
  }
  if (typeof expected === "string") {
    if (event.method === expected) {
      return true;
    }
  } else if (expected.includes(event.method)) {
    return true;
  }
  return false;
}
function assertMethod(event, expected, allowHead) {
  if (!isMethod(event, expected, allowHead)) {
    throw createError({
      statusCode: 405,
      statusMessage: "HTTP method is not allowed."
    });
  }
}
var RawBodySymbol = Symbol.for("h3RawBody");
var ParsedBodySymbol = Symbol.for("h3ParsedBody");
var PayloadMethods$1 = ["PATCH", "POST", "PUT", "DELETE"];
function readRawBody(event, encoding = "utf8") {
  assertMethod(event, PayloadMethods$1);
  const _rawBody = event._requestBody || event.web?.request?.body || event.node.req[RawBodySymbol] || event.node.req.rawBody || event.node.req.body;
  if (_rawBody) {
    const promise2 = Promise.resolve(_rawBody).then((_resolved) => {
      if (Buffer.isBuffer(_resolved)) {
        return _resolved;
      }
      if (typeof _resolved.pipeTo === "function") {
        return new Promise((resolve, reject) => {
          const chunks = [];
          _resolved.pipeTo(
            new WritableStream({
              write(chunk) {
                chunks.push(chunk);
              },
              close() {
                resolve(Buffer.concat(chunks));
              },
              abort(reason) {
                reject(reason);
              }
            })
          ).catch(reject);
        });
      } else if (typeof _resolved.pipe === "function") {
        return new Promise((resolve, reject) => {
          const chunks = [];
          _resolved.on("data", (chunk) => {
            chunks.push(chunk);
          }).on("end", () => {
            resolve(Buffer.concat(chunks));
          }).on("error", reject);
        });
      }
      if (_resolved.constructor === Object) {
        return Buffer.from(JSON.stringify(_resolved));
      }
      if (_resolved instanceof URLSearchParams) {
        return Buffer.from(_resolved.toString());
      }
      return Buffer.from(_resolved);
    });
    return encoding ? promise2.then((buff) => buff.toString(encoding)) : promise2;
  }
  if (!Number.parseInt(event.node.req.headers["content-length"] || "") && !String(event.node.req.headers["transfer-encoding"] ?? "").split(",").map((e) => e.trim()).filter(Boolean).includes("chunked")) {
    return Promise.resolve(void 0);
  }
  const promise = event.node.req[RawBodySymbol] = new Promise(
    (resolve, reject) => {
      const bodyData = [];
      event.node.req.on("error", (err) => {
        reject(err);
      }).on("data", (chunk) => {
        bodyData.push(chunk);
      }).on("end", () => {
        resolve(Buffer.concat(bodyData));
      });
    }
  );
  const result = encoding ? promise.then((buff) => buff.toString(encoding)) : promise;
  return result;
}
var DISALLOWED_STATUS_CHARS = /[^\u0009\u0020-\u007E]/g;
function sanitizeStatusMessage(statusMessage = "") {
  return statusMessage.replace(DISALLOWED_STATUS_CHARS, "");
}
function sanitizeStatusCode(statusCode, defaultStatusCode = 200) {
  if (!statusCode) {
    return defaultStatusCode;
  }
  if (typeof statusCode === "string") {
    statusCode = Number.parseInt(statusCode, 10);
  }
  if (statusCode < 100 || statusCode > 999) {
    return defaultStatusCode;
  }
  return statusCode;
}
var getSessionPromise = Symbol("getSession");
function defineEventHandler(handler) {
  if (typeof handler === "function") {
    handler.__is_handler__ = true;
    return handler;
  }
  const _hooks = {
    onRequest: _normalizeArray(handler.onRequest),
    onBeforeResponse: _normalizeArray(handler.onBeforeResponse)
  };
  const _handler = (event) => {
    return _callHandler(event, handler.handler, _hooks);
  };
  _handler.__is_handler__ = true;
  _handler.__resolve__ = handler.handler.__resolve__;
  _handler.__websocket__ = handler.websocket;
  return _handler;
}
function _normalizeArray(input) {
  return input ? Array.isArray(input) ? input : [input] : void 0;
}
async function _callHandler(event, handler, hooks) {
  if (hooks.onRequest) {
    for (const hook of hooks.onRequest) {
      await hook(event);
      if (event.handled) {
        return;
      }
    }
  }
  const body = await handler(event);
  const response = { body };
  if (hooks.onBeforeResponse) {
    for (const hook of hooks.onBeforeResponse) {
      await hook(event, response);
    }
  }
  return response.body;
}
var H3Headers = globalThis.Headers;
var H3Response = globalThis.Response;

// platforms/h3.ts
function transformHeaders(headers) {
  const formattedHeaders = Object.entries(headers).map(([key, value]) => [
    key,
    Array.isArray(value) ? value.join(", ") : value ?? ""
  ]);
  return formattedHeaders;
}
function getUrl(event) {
  const request_ = event.node.req;
  const protocol = request_.headers["x-forwarded-proto"];
  const host = request_.headers.host;
  const url = `${protocol}://${host}${event.path}`;
  return url;
}
var telemetry = {
  sdk: SDK_TELEMETRY,
  framework: "h3",
  runtime: process.versions.bun ? `bun@${process.versions.bun}/node@${process.version}` : `node@${process.version}`
};
var serve = (routeFunction, options) => {
  const handler = defineEventHandler(async (event) => {
    const method = event.node.req.method;
    if (method?.toUpperCase() !== "POST") {
      return new Response("Only POST requests are allowed in worklfows", {
        status: 405
      });
    }
    const url = getUrl(event);
    const headers = transformHeaders(event.node.req.headers);
    const request = new Request(url, {
      headers,
      body: await readRawBody(event),
      method: "POST"
    });
    const { handler: serveHandler } = serveBase(routeFunction, telemetry, options);
    return await serveHandler(request);
  });
  return { handler };
};
var createWorkflow = (...params) => {
  const [routeFunction, options = {}] = params;
  return {
    routeFunction,
    options,
    workflowId: void 0
  };
};
var serveMany = (workflows, options) => {
  return serveManyBase({
    workflows,
    getUrl,
    serveMethod: (...params) => serve(...params).handler,
    options
  });
};
export {
  createWorkflow,
  serve,
  serveMany
};