node-bunyan-lite/tools/ben.js

43 lines
878 B
JavaScript

// Bring ben to local and remove one more dependancy.
// The package ben has either way not been updated in over 10 years.
// https://github.com/substack/node-ben
var ben = module.exports = function (times, cb) {
if (typeof times === 'function') {
cb = times;
times = 10000;
}
var t0 = Date.now();
for (var i = 0; i < times; i++) {
cb();
}
var elapsed = Date.now() - t0;
return elapsed / times;
};
ben.sync = ben;
ben.async = function (times, cb, resultCb) {
if (typeof times === 'function') {
resultCb = cb;
cb = times;
times = 100;
}
var pending = times;
var t = Date.now();
var elapsed = 0;
cb(function fn () {
elapsed += Date.now() - t;
if (--pending === 0) {
resultCb(elapsed / times);
}
else {
t = Date.now();
cb(fn);
}
});
};