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76 packages found
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Standard library
Standard library
Standard library
Iterable WeakMaps and WeakSets. Provides WeakRefMap and WeakRefSet which store values using WeakRefs and clean themselves up when garbage collected.
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
A utility to determine if a value is a WeakSet
Standard library
Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.
- as-is
- checker-as-is
- js-inteface
- interface-check
- javascript
- ESNext
- typechecker
- enum-type
- strict-type
- multi-type
- repeated-type-check
- validator-integration
- check-type
- javascript-type
- View more
Detect native WeakSet support.
List of all javascript types. Used and useful for checking, validation, sanitizing and testing. Like isStream, isPromise, isWeakset and etc.
- bool
- boolean
- buffer
- check
- checking
- error
- is
- is-boolean
- is-buffer
- is-error
- is-promise
- is-stream
- json
- kind
- View more
RXJS enhanced Array, Map, WeakMap, Set and WeakSet
ES6 Map, Set, WeakMap and WeakSet polyfill in pure ES5
- es6
- es6-collections
- es5
- polyfills
- ponyfills
- harmony
- harmony-collections
- collections
- map
- set
- weakmap
- weakset
- es6-map
- es6-set
- View more
Detect native WeakSet support.
Iterable WeakMap, WeakSet and WeakValue.
Standard library
Extended Map, Set, WeakMap, WeakSet JavaScript functions