# es/no-weakrefs

disallow the WeakRef and FinalizationRegistry class

  • ✅ The following configurations enable this rule: plugin:es/no-new-in-esnext

This rule reports ES2021 WeakRefs (opens new window) as errors. This proposal includes the following two:

  • WeakRef class
  • FinalizationRegistry class

# Examples

⛔ Examples of incorrect code for this rule:

/*eslint es/no-weakrefs: error */ let ref = new WeakRef() let finalizationGroup = new FinalizationRegistry(() => {})
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# 📚 References