argencoders-notevil/lib/infinite-checker.js

Evaluate javascript like the built-in eval() method but safely

const SafeEvalError = require('../').SafeEvalError

module.exports = InfiniteChecker

function InfiniteChecker(maxIterations) {
  if (this instanceof InfiniteChecker) {
    this.maxIterations = maxIterations
    this.count = 0
  } else {
    return new InfiniteChecker(maxIterations)
  }
}

InfiniteChecker.prototype.check = function () {
  this.count += 1
  if (this.count > this.maxIterations) {
    throw new Error('Infinite loop detected')
  }
}