@mui/internal-docs-infra/pipeline/loadServerTypesMeta/performanceTracking.mjs

MUI Infra - internal documentation creation tools.

/**
 * Shared performance tracking utilities for use in both main thread and worker
 */

export class PerformanceTracker {
  logs = [];
  constructor() {
    this.baseTime = performance.now();
  }
  mark(name) {
    const time = performance.now();
    this.logs.push({
      type: 'mark',
      name,
      startTime: time - this.baseTime
    });
    return time;
  }
  measure(name, startTime, endTime) {
    this.logs.push({
      type: 'measure',
      name,
      startTime: startTime - this.baseTime,
      duration: endTime - startTime
    });
  }
  getLogs() {
    return this.logs;
  }
  clear() {
    this.logs = [];
  }
}

/**
 * Reconstruct performance measures in the main thread from worker logs
 */
export function reconstructPerformanceLogs(logs, timeOffset) {
  logs.forEach(log => {
    if (log.type === 'measure' && log.duration !== undefined) {
      performance.measure(log.name, {
        start: timeOffset + log.startTime,
        duration: log.duration
      });
    }
  });
}