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@ungap/weakrefs

ungap2kISC0.2.0

WeakRef and FinalizationGroup for IE11+

WeakRef, FinalizationGroup, polyfill, sham

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weakrefs

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The WeakRef and FinalizationGroup polyfill/sham *

  • CDN global patch via https://unpkg.com/@ungap/weakrefs
  • ESM via import {WeakRef, FinalizationGroup} from '@ungap/weakrefs'
  • CJS via const {WeakRef, FinalizationGroup} = require('@ungap/weakrefs')

* The implementation uses WeakMap and it does not actually trigger the FinalizationGroup callback, unless explicitly asked via fg.cleanupSome(fn).

⚠ Webpack Users

If you have issues just requiring @ungap/weakrefs, be sure you require @ungap/weakrefs/cjs instead.

No issue should happen if you just import the module instead.