proctor-ai-sdk/src/events/tabSwitchDetector.js

A powerful SDK for preventing cheating during online exams using face detection, voice detection, and tab monitoring.

//⬅️ Detect tab switch/minimize

import { logEvent } from "../logs/logger.js";

let hasFocus = true;

export const startTabSwitchDetector = () => {
  document.addEventListener("visibilitychange", () => {
    if (document.hidden) {
      logEvent("tab-switched");
      hasFocus = false;
    } else if (!hasFocus) {
      logEvent("tab-returned");
      hasFocus = true;
    }
  });
};

export const stopTabSwitchDetector = () => {
  document.removeEventListener("visibilitychange", () => {});
};