Node.js | fs.readFileSync cannot find file that has just been saved in a folder

Question

In the code below I'm looping through an array of image URLs and for each image URL I downlaod the image and save it in a folder:

function downloadImg (url, imagePath) {
  axios({ url, responseType: 'stream' }).then((response) => {
    return new Promise((resolve, reject) => {
      response.data
        .pipe(fs.createWriteStream(imagePath))
        .on('finish', () => resolve())
        .on('error', e => reject(e));
    })
  })
}

for (const img of imgs) {
  let imgPath = `${__dirname}/temp/${img.id}.jpg`
  let downloadedImg = await downloadImg(img.media_url, imgPath)
  console.log(imgPath) // returns the correct path
  console.log(fs.existsSync(imgPath)) // returns false
  
  // throws fs.readFileSync Error: "no such file or directory, open {imgPath}"
  doSomethingWith(imgPath)
}

When I then click on my /temp folder, the image file is there and working.

What am I doing wrong?

user2272048 · Accepted Answer · 2021-10-24 12:50:48Z

1

Wrapping the axios request in the Promise instead of the other way around fixed it:

function downloadImg (url, imagePath) {
  return new Promise((resolve, reject) => {
    axios({ url, responseType: 'stream' }).then((response) => {
      response.data
        .pipe(fs.createWriteStream(imagePath))
        .on('finish', () => resolve())
        .on('error', e => reject(e))
    })
  })
}

answered Oct 24, 2021 at 12:50

user2272048

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Node.js | fs.readFileSync cannot find file that has just been saved in a folder

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related