Send the request to the http2 server, get the response header, but fail to get the response body.

[masx200]

 node -v
v14.0.0

package.json

{
    "type": "module",
    "name": "temp",
    "version": "1.0.0",
    "main": "index.js",
    "license": "MIT",
    "dependencies": {
        "fetch-h2": "^2.4.5"

    }
}

Send the request to the http2 server

import fetchh2 from "fetch-h2";
const fetch = fetchh2.fetch;
fetch("https://translate.google.cn", {
timeout: 10000,
    headers: {
        "user-agent":
            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36",
    },
    method: "GET",
})
    .then((res) => {
        console.log(res);
        console.log("statusCode:", res.status);
        console.log("headers:", Object.fromEntries(res.headers));

        let pro = res.text();

        return pro;
    })
    .then((body) => {
        console.log("body length", body.length);
        console.log(`body:\n`, body);
    });

get the response header, but fail to get the response body

StreamResponse {
  _length: null,
  _used: false,
  bodyUsed: [Getter],
  _signal: undefined,
  _body: <ref *1> Gunzip {
    _writeState: Uint32Array(2) [ 0, 0 ],
    _readableState: ReadableState {
      objectMode: false,
      highWaterMark: 16384,
      buffer: BufferList { head: null, tail: null, length: 0 },
      length: 0,
      pipes: [],
      flowing: null,
      ended: false,
      endEmitted: false,
      reading: false,
      sync: false,
      needReadable: false,
      emittedReadable: false,
      readableListening: false,
      resumeScheduled: false,
      errorEmitted: false,
      emitClose: true,
      autoDestroy: true,
      destroyed: false,
      errored: false,
      closed: false,
      defaultEncoding: 'utf8',
      awaitDrainWriters: null,
      multiAwaitDrain: false,
      readingMore: false,
      decoder: null,
      encoding: null,
      [Symbol(kPaused)]: null
    },
    _events: [Object: null prototype] {
      prefinish: [Function: prefinish],
      end: [Function: onend],
      finish: [Function: onfinish],
      error: [Function: onerror],
      close: [Function: onclose]
    },
    _eventsCount: 5,
    _maxListeners: undefined,
    _writableState: WritableState {
      objectMode: false,
      highWaterMark: 16384,
      finalCalled: false,
      needDrain: false,
      ending: true,
      ended: true,
      finished: true,
      destroyed: false,
      decodeStrings: true,
      defaultEncoding: 'utf8',
      length: 0,
      writing: false,
      corked: 0,
      sync: true,
      bufferProcessing: false,
      onwrite: [Function: bound onwrite],
      writecb: null,
      writelen: 0,
      afterWriteTickInfo: null,
      bufferedRequest: null,
      lastBufferedRequest: null,
      pendingcb: 0,
      prefinished: true,
      errorEmitted: false,
      emitClose: true,
      autoDestroy: true,
      errored: false,
      closed: false,
      bufferedRequestCount: 0,
      corkedRequestsFree: [Object]
    },
    allowHalfOpen: true,
    _transformState: {
      afterTransform: [Function: bound afterTransform],
      needTransform: false,
      transforming: false,
      writecb: null,
      writechunk: null,
      writeencoding: null
    },
    bytesWritten: 0,
    _handle: Zlib {
      onerror: [Function: zlibOnError],
      buffer: <Buffer >,
      cb: [Function (anonymous)],
      availOutBefore: 16384,
      availInBefore: 0,
      inOff: 0,
      flushFlag: 2,
      [Symbol(owner)]: [Circular *1]
    },
    _outBuffer: <Buffer 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 48 40 00 00 00 00 00 00 e0 5f 4d 83 d9 01 00 00 30 60 4d 83 d9 01 00 00 40 60 4d 83 d9 01 00 00 58 60 ... 16334 more bytes>,
    _outOffset: 0,
    _chunkSize: 16384,
    _defaultFlushFlag: 2,
    _finishFlushFlag: 2,
    _defaultFullFlushFlag: 3,
    _info: undefined,
    _level: -1,
    _strategy: 0,
    [Symbol(kCapture)]: false,
    [Symbol(kError)]: null
  },
  _mime: 'text/html; charset=UTF-8',
  headers: GuardedHeaders [Map] {
    _guard: 'response',
    _data: Map(14) {
      'date' => [Array],
      'pragma' => [Array],
      'expires' => [Array],
      'cache-control' => [Array],
      'x-frame-options' => [Array],
      'content-type' => [Array],
      'content-language' => [Array],
      'p3p' => [Array],
      'x-content-type-options' => [Array],
      'content-encoding' => [Array],
      'server' => [Array],
      'content-length' => [Array],
      'x-xss-protection' => [Array],
      'alt-svc' => [Array]
    }
  },
  httpVersion: 2,
  ok: [Getter],
  redirected: false,
  status: 200,
  statusText: '',
  type: 'basic',
  url: 'https://translate.google.cn',
  useFinalURL: undefined
}
statusCode: 200
headers: {
  date: 'Sat, 25 Apr 2020 02:31:35 GMT',
  pragma: 'no-cache',
  expires: 'Fri, 01 Jan 1990 00:00:00 GMT',
  'cache-control': 'no-cache, must-revalidate',
  'x-frame-options': 'DENY',
  'content-type': 'text/html; charset=UTF-8',
  'content-language': 'zh-CN',
  p3p: 'CP="This is not a P3P policy! See g.co/p3phelp for more info."',
  'x-content-type-options': 'nosniff',
  'content-encoding': 'gzip',
  server: 'HTTP server (unknown)',
  'content-length': '55175',
  'x-xss-protection': '0',
  'alt-svc': 'quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000'
}
body length 0
body:

Use the native http2 module as follows. Successful response.

import { constants, connect } from "http2";

const {
    HTTP2_HEADER_STATUS,
    HTTP2_HEADER_PATH,
    HTTP2_HEADER_METHOD,
} = constants;
const client = connect("https://translate.google.cn", {});
client.on("error", (err) => console.error(err));

const req = client.request({
    [HTTP2_HEADER_PATH]: "/",
    [HTTP2_HEADER_METHOD]: "GET",
    "user-agent":
        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36",
});
console.log(req);
req.on("response", (headers, flags) => {
    console.log("statusCode:", headers[HTTP2_HEADER_STATUS]);
    console.log("headers:", headers);
});

req.setEncoding("utf8");
let data = [];
req.on("data", (chunk) => {
    data.push(chunk);
});
req.on("end", () => {
    let body = data.join("");
    console.log("body length", body.length);
    console.log(`body:\n`, body);
    client.close();
});
req.end();

[masx200]

https://github.com/szmarczak/http2-wrapper/issues/39#issuecomment-619349524

https://github.com/sindresorhus/got/issues/1172

[masx200]

https://github.com/sindresorhus/got/issues/1172#issuecomment-624648485

[masx200]

https://github.com/grantila/fetch-h2/issues/104

[masx200]

https://github.com/grantila/fetch-h2/issues/104#issuecomment-677952150