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/ iterable_weak_map.js
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June 24, 2020 04:20
— forked from seanlinsley/iterable_weak_set.js
Iterable WeakSet in JavaScript
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| // spec: https://github.com/tc39/proposal-weakrefs | |
| // the spec contains an [iterable WeakMap implementation](https://github.com/tc39/proposal-weakrefs#iterable-weakmaps) | |
| // NOTE: this WeakSet implementation is incomplete, only does what I needed | |
| // In Firefox Nightly, visit about:config and enable javascript.options.experimental.weakrefs | |
| class IterableWeakMap extends Map { | |
| set(k, v) { | |
| super.set(new WeakRef(k), v) | |
| } | |
| forEach(fn) { |