r19/dist/createRPCMiddleware.js

Simple remote procedure calls in TypeScript

import { Buffer } from "node:buffer";
import { handleRPCRequest } from "./handleRPCRequest.js";
const createRPCMiddleware = (args) => {
  const fn = (req, res, next) => {
    if (req.method !== "POST") {
      res.statusCode = 405;
      res.end();
      return next();
    }
    const requestBodyChunks = [];
    req.on("data", (chunk) => {
      requestBodyChunks.push(chunk);
    });
    req.on("end", async () => {
      const { body, headers, statusCode } = await handleRPCRequest({
        procedures: args.procedures,
        body: Buffer.concat(requestBodyChunks),
        onError: args.onError
      });
      if (statusCode) {
        res.statusCode = statusCode;
      }
      for (const headerName in headers) {
        res.setHeader(headerName, headers[headerName]);
      }
      res.end(Buffer.from(body), "binary");
      next();
    });
  };
  fn._procedures = args.procedures;
  return fn;
};
export {
  createRPCMiddleware
};
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