mic-check

mic-check-usage.ts

import {
  MediaPermissionsError
  MediaPermissionsErrorType,
  requestMediaPermissions
} from 'mic-check';

requestMediaPermissions()
	.then(() => {
		// can successfully access camera and microphone streams
		// DO SOMETHING HERE
	})
	.catch((err: MediaPermissionsError) => {
		const { type, name, message } = err;
		if (type === MediaPermissionsErrorType.SystemPermissionDenied) {
			// browser does not have permission to access camera or microphone
		} else if (type === MediaPermissionsErrorType.UserPermissionDenied) {
			// user didn't allow app to access camera or microphone
		} else if (type === MediaPermissionsErrorType.CouldNotStartVideoSource) {
			// camera is in use by another application (Zoom, Skype) or browser tab (Google Meet, Messenger Video)
			// (mostly Windows specific problem)
		} else {
			// not all error types are handled by this library
		}
	});