31 lines
654 B
JavaScript
31 lines
654 B
JavaScript
var logger = require('./logger');
|
|
|
|
var timestamps = {};
|
|
|
|
function getCurrentTimeMs() {
|
|
return (new Date).getTime();
|
|
};
|
|
|
|
exports.track = function(name) {
|
|
if (timestamps[name]) {
|
|
throw new Error(name + ' is already being profiled!');
|
|
}
|
|
|
|
timestamps[name] = getCurrentTimeMs();
|
|
};
|
|
|
|
exports.untrack = function(name) {
|
|
if (!timestamps[name]) {
|
|
throw new Error(name + ' isn\'t being profiled!');
|
|
}
|
|
|
|
var timestamp = getCurrentTimeMs() - timestamps[name];
|
|
|
|
delete timestamps[name];
|
|
|
|
logger.log('debug', name + ' took ' + timestamp + 'ms');
|
|
|
|
return timestamp;
|
|
};
|
|
|
|
exports.getCurrentTimeMs = getCurrentTimeMs; |