debugging-aid/test/cases/slowleak.js

Experimental tools for debugging Node.js apps without pausing

const leakyleaky = []

module.exports = () => {
  setInterval(() => {
    const somethingToGarbageCollect = {
      someWeight:
        'This object will get garbage collected, so the more we create, the sooner GC runs, which means less waiting for the leak detection.',
      [Math.random().toFixed(
        5
      )]: "Let's make it a different object shape every time"
    }
    preventsOptimizingUnusedVariableAway(somethingToGarbageCollect)
    leakyleaky.push("hello, I'm leaking")
    leakyleaky.push({ yeah: 'me too' })
  }, 0)
}

function preventsOptimizingUnusedVariableAway (arg) {
  arg.i = 3
  return { ...arg }
}