request module nodejs

1let request = require('request')
2
3const formData = {
4  // Pass a simple key-value pair
5  my_field: 'my_value',
6  // Pass data via Buffers
7  my_buffer: Buffer.from([1, 2, 3]),
8  // Pass data via Streams
9  my_file: fs.createReadStream(__dirname + '/unicycle.jpg'),
10  // Pass multiple values /w an Array
11  attachments: [
12    fs.createReadStream(__dirname + '/attachment1.jpg'),
13    fs.createReadStream(__dirname + '/attachment2.jpg')
14  ],
15  // Pass optional meta-data with an 'options' object with style: {value: DATA, options: OPTIONS}
16  // Use case: for some types of streams, you'll need to provide "file"-related information manually.
17  // See the `form-data` README for more information about options: https://github.com/form-data/form-data
18  custom_file: {
19    value:  fs.createReadStream('/dev/urandom'),
20    options: {
21      filename: 'topsecret.jpg',
22      contentType: 'image/jpeg'
23    }
24  }
25};
26request.post({url:'http://service.com/upload', formData: formData}, function optionalCallback(err, httpResponse, body) {
27  if (err) {
28    return console.error('upload failed:', err);
29  }
30  console.log('Upload successful!  Server responded with:', body);
31});

1const request = require('request');
2request('http://www.google.com', function (error, response, body) {
3  console.error('error:', error); // Print the error if one occurred
4  console.log('statusCode:', response && response.statusCode); // Print the response status code if a response was received
5  console.log('body:', body); // Print the HTML for the Google homepage.
6});

1request  .get('http://google.com/img.png')
2  .on('response', function(response) {
3  console.log(response.statusCode) // 200
4  console.log(response.headers['content-type']) // 'image/png'  }) 
5    .pipe(request.put('http://mysite.com/img.png'))