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Convert StatTimer to an ES6 class

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This commit is contained in:
Jonas Jenwald 2017-12-06 13:59:03 +01:00
parent 6b1eda3e12
commit 50b72dec6e
1 changed files with 47 additions and 55 deletions
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102
src/display/dom_utils.js
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@ -461,65 +461,57 @@ function isExternalLinkTargetSet() {
}
}
var StatTimer = (function StatTimerClosure() {
function rpad(str, pad, length) {
while (str.length < length) {
str += pad;
}
return str;
}
function StatTimer() {
class StatTimer {
constructor(enable = true) {
this.started = Object.create(null);
this.times = [];
this.enabled = true;
this.enabled = !!enable;
}
StatTimer.prototype = {
time: function StatTimer_time(name) {
if (!this.enabled) {
return;
time(name) {
if (!this.enabled) {
return;
}
if (name in this.started) {
warn('Timer is already running for ' + name);
}
this.started[name] = Date.now();
}
timeEnd(name) {
if (!this.enabled) {
return;
}
if (!(name in this.started)) {
warn('Timer has not been started for ' + name);
}
this.times.push({
'name': name,
'start': this.started[name],
'end': Date.now(),
});
// Remove timer from started so it can be called again.
delete this.started[name];
}
toString() {
let times = this.times;
// Find the longest name for padding purposes.
let out = '', longest = 0;
for (let i = 0, ii = times.length; i < ii; ++i) {
let name = times[i]['name'];
if (name.length > longest) {
longest = name.length;
}
if (name in this.started) {
warn('Timer is already running for ' + name);
}
this.started[name] = Date.now();
},
timeEnd: function StatTimer_timeEnd(name) {
if (!this.enabled) {
return;
}
if (!(name in this.started)) {
warn('Timer has not been started for ' + name);
}
this.times.push({
'name': name,
'start': this.started[name],
'end': Date.now(),
});
// Remove timer from started so it can be called again.
delete this.started[name];
},
toString: function StatTimer_toString() {
var i, ii;
var times = this.times;
var out = '';
// Find the longest name for padding purposes.
var longest = 0;
for (i = 0, ii = times.length; i < ii; ++i) {
var name = times[i]['name'];
if (name.length > longest) {
longest = name.length;
}
}
for (i = 0, ii = times.length; i < ii; ++i) {
var span = times[i];
var duration = span.end - span.start;
out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
}
return out;
},
};
return StatTimer;
})();
}
for (let i = 0, ii = times.length; i < ii; ++i) {
let span = times[i];
let duration = span.end - span.start;
out += `${span['name'].padEnd(longest)} ${duration}ms\n`;
}
return out;
}
}
export {
CustomStyle,