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json/test/docstream.js
Maintainability
65.68
Lines of code
35
Difficulty
17.67
Estimated Errors
0.29
Function weight
By Complexity
By SLOC
//#!/usr/bin/env node /* * Stream out JSON objects. * * Usage: * docstream.js [TIMES] [PERIOD] [RANDOM-CHUNKS] * * where: * TIMES is an integer number of times to emit the JSON object. Default 10. * PERIOD is the number of ms between emitted chunks. Default 1000. * RANDOM-CHUNKS, if present, will result in non-complete JSON objects * being emitted. Default *not* randomized. */ function randint(min, max) { if (max === undefined) { max = min; min = 0; } return (Math.floor(Math.random() * (max - min + 1)) + min); } //---- mainline var times = Number(process.argv[2]); if (isNaN(times)) times = 5; var period = Number(process.argv[3]); if (isNaN(period)) period = 1000; // i.e. don't emit whole JSON objects. var randomize = (process.argv[4] !== undefined); var leftover = ''; var interval = setInterval(function () { times--; var s = leftover + JSON.stringify({foo: 'bar'}) + '\n'; var len = s.length; // emit the whole thing if (times <= 0) { clearInterval(interval); } else if (randomize) { len = randint(0, s.length); } //console.warn("XXX docstream.js [%d]: emit %d chars: '%s'", times, len, // s.slice(0, len)); process.stdout.write(s.slice(0, len)); leftover = s.slice(len); }, period);