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progress2
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Readme
Flexible ascii progress bar. Fork of the original to incorporate bug fixes.
First we create a ProgressBar
, giving it a format string
as well as the total
, telling the progress bar when it will
be considered complete. After that all we need to do is tick()
appropriately.
var ProgressBar = require('progress');
var bar = new ProgressBar(':bar', { total: 10 });
var timer = setInterval(function(){
bar.tick();
if (bar.complete) {
console.log('\ncomplete\n');
clearInterval(timer);
}
}, 100);
total
total number of ticks to completewidth
the number of columns in the progress bar, default 40stream
the output stream defaulting to stdoutcomplete
completion character defaulting to "="incomplete
incomplete character defaulting to "-":bar
the progress bar itself:current
current tick number:total
total ticks:elapsed
time elapsed in seconds:percent
completion percentage:eta
total estimated remaining time in seconds:finish
total estimated time of the entire operation in secondsIn our download example each tick has a variable influence, so we pass the chunk length which adjusts the progress bar appropriately relative to the total length.
var ProgressBar = require('../')
, https = require('https');
var req = https.request({
host: 'download.github.com'
, port: 443
, path: '/visionmedia-node-jscoverage-0d4608a.zip'
});
req.on('response', function(res){
var len = parseInt(res.headers['content-length'], 10);
console.log();
var bar = new ProgressBar(' downloading [:bar] :percent :etas', {
complete: '='
, incomplete: ' '
, width: 20
, total: len
});
res.on('data', function(chunk){
bar.tick(chunk.length);
});
res.on('end', function(){
console.log('\n');
});
});
req.end();
The code above will generate a progress bar that looks like this:
downloading [===== ] 29% 3.7s
(The MIT License)
Copyright (c) 2011 TJ Holowaychuk <tj@vision-media.ca>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
FAQs
Flexible ascii progress bar - re-factored
The npm package progress2 receives a total of 73 weekly downloads. As such, progress2 popularity was classified as not popular.
We found that progress2 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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