How to get the Axios's response file type All In One

How to get the Axios's response file type All In One

获取 Axios 请求响应头中的文件类型

Axios API

https://www.npmjs.com/package/axios

demos

import fs from 'node:fs';
import path from 'path';
import axios from 'axios';

async function downloadFile(url, path) {
  const writer = fs.createWriteStream(path);
  const res = await axios({
    url,
    method: "GET",
    responseType: "stream",
  });
  // console.log(`res =`, res)
  console.log(`✅ content-type =`, res.headers['content-type'])
  res.data.pipe(writer);
  return new Promise((resolve, reject) => {
    writer.on("finish", resolve);
    writer.on("error", reject);
  });
}


const url = `https://cdn.xgqfrms.xyz/video/web-testing.mp4`
await downloadFile(url, "./test.mp4");
// ✅ content-type = video/mp4

/*

$ node ./file-type.js

*/

import axios from 'axios';

async function getUser() {
  try {
    const response = await axios.get(
      'https://api.xgqfrms.xyz/api/users',
    );
    console.log(response.headers);
    console.log(response.headers['date']);
    console.log(response.headers['etag']);
    console.log(response.headers['connection']);
    console.log(response.headers['content-type']);
    return response.data;
  } catch (err) {
    console.log(err);
  }
}

console.log(await getUser());

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web crawler downloader

import axios from 'axios';
// import axios, {isCancel, AxiosError} from 'axios';

// import fs from 'node:fs';
import {createWriteStream} from 'node:fs';

// import path from 'path';
// import { fileURLToPath } from 'url';

// const __filename = fileURLToPath(import.meta.url);
// const __dirname = path.dirname(__filename);
// console.log(`import.meta.url`, import.meta.url)
// console.log(`__dirname`, __dirname)

// async function downloadFile(url, path) {
//   const res = await axios({
//     url,
//     method: "GET",
//     responseType: "stream",
//   });
//   console.log(`✅ content-type =`, res.headers['content-type'])
//   res.data.pipe(createWriteStream(path));
// }

async function downloadFile(url, path) {
  await axios({
    url,
    method: "GET",
    responseType: "stream",
  }).then(res => {
    console.log(`✅ content-type =`, res.headers['content-type'])
    return res.data.pipe(createWriteStream(path));
  }).catch(err => {
    console.log(`❌ err =`, err)
  }).finally(() => {
    console.log(`finally 👻`)
  })
}


// const url = `https://edu-vod.lagou.com/sv/2daa3bb9-1765150ee6e/2daa3bb9-1765150ee6e.mp4`
const url = `https://cdn.xgqfrms.xyz/video/web-testing.mp4`
await downloadFile(url, "./test.mp4");


/*

$ node ./axios.js

*/

refs

https://byby.dev/node-download-image

https://bobbyhadz.com/blog/axios-get-response-headers

https://stackoverflow.com/questions/63742908/downloading-video-image-etc-from-url/76975697#76975697

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