Windshaft-cartodb/lib/cartodb/stats/timer.js

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JavaScript
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2016-03-19 00:21:43 +08:00
function Timer() {
this.times = {};
}
module.exports = Timer;
Timer.prototype.start = function(label) {
this.timeIt(label, 'start');
};
Timer.prototype.end = function(label) {
this.timeIt(label, 'end');
};
Timer.prototype.timeIt = function(label, what) {
this.times[label] = this.times[label] || {};
this.times[label][what] = Date.now();
};
Timer.prototype.getTimes = function() {
var self = this;
var times = {};
Object.keys(this.times).forEach(function(label) {
var stat = self.times[label];
if (stat.start && stat.end) {
times[label] = Math.max(0, stat.end - stat.start);
}
});
return times;
};