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request-progress
Advanced tools
Tracks the download progress of a request made with mikeal/request, giving insight of various metrics including progress percent, download speed and time remaining
Weekly downloads
Readme
Tracks the download progress of a request made with request, giving insight of various metrics including progress percentage, download speed and time remaining.
$ npm install request-progress
var fs = require('fs');
var request = require('request');
var progress = require('request-progress');
// The options argument is optional so you can omit it
progress(request('https://az412801.vo.msecnd.net/vhd/VMBuild_20141027/VirtualBox/IE11/Windows/IE11.Win8.1.For.Windows.VirtualBox.zip'), {
// throttle: 2000, // Throttle the progress event to 2000ms, defaults to 1000ms
// delay: 1000, // Only start to emit after 1000ms delay, defaults to 0ms
// lengthHeader: 'x-transfer-length' // Length header to use, defaults to content-length
})
.on('progress', function (state) {
// The state is an object that looks like this:
// {
// percent: 0.5, // Overall percent (between 0 to 1)
// speed: 554732, // The download speed in bytes/sec
// size: {
// total: 90044871, // The total payload size in bytes
// transferred: 27610959 // The transferred payload size in bytes
// },
// time: {
// elapsed: 36.235, // The total elapsed seconds since the start (3 decimals)
// remaining: 81.403 // The remaining seconds to finish (3 decimals)
// }
// }
console.log('progress', state);
})
.on('error', function (err) {
// Do something with err
})
.on('end', function () {
// Do something after request finishes
})
.pipe(fs.createWriteStream('IE11.Win8.1.For.Windows.VirtualBox.zip'));
If the request's response does not include the content-length
header, the values of some metrics will be null
.
Also speed
and time.remaining
will be null
until it can be calculated.
The state
object emitted in the progress
event is reused to avoid creating a new object for each event.
If you wish to peek the state
object at any time, it is available in request.progressState
.
$ npm test
$ npm test-cov
to get coverage report
Released under the MIT License.
FAQs
Tracks the download progress of a request made with mikeal/request, giving insight of various metrics including progress percent, download speed and time remaining
The npm package request-progress receives a total of 4,142,873 weekly downloads. As such, request-progress popularity was classified as popular.
We found that request-progress demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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