malice

const BASE = 'malice';

const PREFIX = `${BASE} trace=`;

export function workerName(filter: string | null): string {

  const trimmed = filter?.trim();

  return trimmed ? PREFIX + trimmed : BASE;

}

export function traceFilter(name: string): string {

  return name.startsWith(PREFIX) ? name.slice(PREFIX.length) : '';

}

export function pageTraceFilter(): string | null {

  try {

    return localStorage.getItem('malice.trace');

  } catch {

    return null;

  }

}