node.js multipart/form-data local file upload to api

Question

I want to upload a file to a restful api service from my javascript application. It should use a local path like "c:/folder/test.png" and upload to something like "localhost/uploads", is there a easy approch, I am a little lost coming to the upload part and have tryed searching around, but didn't find any that matched my case, and I have tryed this code below:

    var request = require('request');

    var url = "http://localhost/uploads";
    var req = request.post(url, function (err, resp, body) {
          if (err) {
            console.log('Error!');
          } else {
            console.log('URL: ' + body);
          }
        });

    var form = req.form();

    form.append('file', fs.createReadStream("C:/kristian/Devbeasts-small.png"));

this code gives me the error: Error: Cannot find module 'request'

It requires a multipart form-data.

Axel Isouard · Accepted Answer · 2016-10-19 14:32:29Z

2

The post method can take an object containing an url and a formData object as first parameter, as seen here.

var formData = {
  name: 'file1',
  file: {
    value:  fs.createReadStream('C:/kristian/Devbeasts-small.png'),
    options: {
      filename: 'Logo_flame.png',
      contentType: 'image/png'
    }
  }
};

request.post({url:'http://localhost/uploads', formData: formData}, 
  function cb(err, httpResponse, body) {
    if (err) {
      return console.error('upload failed:', err);
    }
    console.log('Upload successful!  Server responded with:', body);
  }
);

edited Oct 19, 2016 at 14:32

answered Oct 19, 2016 at 12:27

Axel Isouard

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10 Comments

Kristian Tang Over a year ago

When I use the request I get the error: Error: Cannot find module 'request'

Axel Isouard Over a year ago

Did you keep var request = require('request'); ? Make sure to run npm install request before running the script.

Kristian Tang Over a year ago

Is it possible to download the module manually and not with npm install?

Kristian Tang Over a year ago

isn't it possible to use http?

Axel Isouard Over a year ago

You can, but it's more complicated. nodejs.org/api/http.html#http_http_request_options_callback You should get used to npm for Node development, it's unnecessary difficult to create applications without it.

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