The idea is that TwoWayWeakMap would work like WeakMap, except that you would be able to get key objects by their value. For example, here is how the usage would look like: class TwoWayWeakMap { // What goes here? } class SomeClass {} const map = new TwoWayWeakMap<SomeClass, number>() function…

How to implement TwoWayWeakMap? Using WeakRef?

trusktr December 31, 2021, 12:29am 15

The problem all of the implementations have motivated me to open this issue:

Topic		Replies	Views
LossyRef, better than WeakRef 💡 Ideas	17	834	February 22, 2022
{Map, WeakMap, etc}.prototype.getRef(key) 💡 Ideas	25	1032	November 26, 2022
Allow weak maps to contain primitives 💡 Ideas	17	395	October 24, 2021
Add enumeration methods (and clear) to WeakMap and WeakSet 💡 Ideas	3	333	December 2, 2020
Atomic map operators 💡 Ideas	12	392	December 5, 2022