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timer.mjs
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56 lines (46 loc) · 1.19 KB
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// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {formatDurationMicros} from '../helper.mjs';
import {LogEntry} from './log.mjs';
export class TimerLogEntry extends LogEntry {
constructor(type, startTime, endTime = -1) {
super(type, startTime);
this._endTime = endTime;
this.depth = 0;
}
end(time) {
if (this.isInitialized) throw new Error('Invalid timer change');
this._endTime = time;
}
get isInitialized() {
return this._endTime !== -1;
}
get startTime() {
return this._time;
}
get endTime() {
return this._endTime;
}
get duration() {
return this._endTime - this._time;
}
covers(time) {
return this._time <= time && time <= this._endTime;
}
get toolTipDict() {
const dict = super.toolTipDict;
dict.startTime = formatDurationMicros(dict.startTime);
dict.endTime = formatDurationMicros(dict.endTime);
dict.duration = formatDurationMicros(dict.duration);
return dict;
}
static get propertyNames() {
return [
'type',
'startTime',
'endTime',
'duration',
];
}
}