maestro/src/util/obfuscate.js

Maestro is a framework for quickly bootstrapping serverless orchestration workflows with AWS Step Functions

const obfuscate = (str, n) => {
  const nthFromEnd = str.length - n;
  const tail = str.slice(nthFromEnd);
  const obfuscatedHead = str.slice(0, nthFromEnd).replace(/./g, "*");

  return obfuscatedHead + tail;
};

module.exports = obfuscate;