How to send a file in request node-fetch or Node?

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How do I attach a file in Node or Node Fetch POST request? I am trying to invoke an API which will import a CSV or XLS file. Is this possible using Node or Node Fetch?

node-fetch node.js post file
2 Answers

I was looking for how to use node-fetch to upload files via multipart/form-data and their GitHub docs actually shows how to do this. Below is modified example showing how to attach a buffer to FormData and upload that.

const FormData = require('form-data');     
const form = new FormData();

const buffer = // e.g. `fs.readFileSync('./fileLocation');
const fileName = 'test.txt';

form.append('file', buffer, {
  contentType: 'text/plain',
  name: 'file',
  filename: fileName,
});

fetch('https://httpbin.org/post', { method: 'POST', body: form })
    .then(res => res.json())
    .then(json => console.log(json));

Sharing this for anyone else who googled "node-fetch upload file multipart" like I did.

user_57769100
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