rjweb-server/lib/esm/functions/handleCompressType.js

Easy and Robust Way to create a Web Server with Many Easy-to-use Features in NodeJS

import { Duplex, PassThrough } from "stream";
import size from "./size";
import zlib from "zlib";
class PassThrough64K extends Duplex {
  constructor() {
    super({
      read() {
      },
      write(chunk) {
        let chunkCount = Math.ceil(chunk.byteLength / size(64).kb()), index = 0;
        while (chunkCount) {
          this.push(chunk.slice(index, index + size(64).kb()));
          index += size(64).kb();
          chunkCount--;
        }
      }
    });
  }
}
function handleCompressType(type) {
  switch (type) {
    case "gzip":
      return zlib.createGzip();
    case "br":
      return zlib.createBrotliCompress();
    case "deflate":
      return zlib.createDeflate();
    default:
      return new PassThrough();
  }
}
export {
  handleCompressType as default
};