138
139
constructor(
141
>
private readonly _fileService: IFileService,
142
>
private readonly _logService: ILogService,
143
>
private readonly _telemetryService: ITelemetryService,
144
>
) {
145
>
super();
146
>
this._scheduleNext();
147
>
}
148
149
private _scheduleNext(): void {
151
this.dispose();
152
return;
153
}
155
>
const elapsed = Date.now() - this._startTime;
156
>
const delay = Math.max(0, SAMPLE_SCHEDULE_MS[this._samplesTaken] - elapsed);
157
>
const timer = this._register(new TimeoutTimer());
158
>
timer.setIfNotSet(() => this._takeSample(), delay);
159
>
}
160
161
private async _takeSample(): Promise<void> {
163
>
const timeDelayMs = SAMPLE_SCHEDULE_MS[sampleIndex];
164
>
165
>
try {
166
>
let currentText: string;
167
>
let didFileGetDeleted = false;
168
>
try {
169
>
const content = await this._fileService.readFile(URI.file(this._params.filePath));
170
currentText = content.value.toString();
172
// Only treat genuine "file is gone" as a delete event.
173
// Other failures (permissions, transient provider hiccups,