Software: Apache/2.4.41 (Ubuntu). PHP/8.0.30 

uname -a: Linux apirnd 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

Safe-mode: OFF (not secure)

/usr/local/lib/node_modules/pm2/node_modules/pm2-multimeter/example/   drwxr-xr-x
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Viewing file:     web_sum.js (1007 B)      -rw-r--r--

var http = require('http');
var multimeter = require('multimeter');

http.createServer(function (req, res) {
    var multi = multimeter(res);
    var charm = multi.charm;
    
    var xs = [];
    for (var i = 0; i < 100; i++) xs.push(i);
    
    charm.reset()
        .write('Calculating the sum of [0..100]:\n\n')
    ;
    
    var bar = multi(4, 3, { width : 20 });
    bar.percent(0);
    
    var sum = 0;
    charm.write('\n\nResult: ' + sum);
    
    var iv = setInterval(function () {
        var x = xs.shift();
        bar.percent(100 - xs.length);
        
        charm
            .left(sum.toString().length)
            .erase('end')
        ;
        sum += x;
        
        charm.write(sum.toString());
        
        if (xs.length === 0) {
            charm.write('\n');
            res.end();
        }
    }, 50);
    
    res.connection.on('end', function () {
        multi.destroy();
        clearInterval(iv);
    });
}).listen(8081);

console.log('curl -N localhost:8081');