renovate/lib/util/sanitize.ts

const secrets = new Set<string>();

export function sanitize(input: string): string {
  if (!input) {
    return input;
  }
  let output: string = input;
  secrets.forEach(secret => {
    while (output.includes(secret)) {
      output = output.replace(secret, '**redacted**');
    }
  });
  return output;
}

export function add(secret: string): void {
  secrets.add(secret);
}

export function clear(): void {
  secrets.clear();
}