unloadLock

Unload Manager, a small script to prevent unload

managing multiple "lockers"
~200 Bytes (compressed, brotli)
Easy API

Test

Ussage

import unload from 'https://cdn.jsdelivr.net/gh/nuxodin/unloadLock@1.0.0/index.min.js';

// lock until a promise is pending

input.addEventListener('input', event=>{
  const promise = save(input.value);
  unload.lock(promise);
});

// or use the returned release-funtion

input.addEventListener('input', event=>{
  const release = unload.lock();
  safeTheValue(input.value).finally(release);
});

// lock / release by context

checkbox.addEventListener('change', function(e){
  unload.setLock(this, this.checked);
});

Help

I am glad for any help and be it only text corrections.
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