Package Usage: npm: is-weakref
      
        Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
          
3 versions
          
Latest release: almost 4 years ago
          
733 dependent packages
          
120,731,896 downloads last month
      
    
View more package details: https://packages.ecosystem.code.gouv.fr/registries/npmjs.org/packages/is-weakref