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seban999
commented
Jan 13, 2017
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seban999
commented
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The current version of NuclearJS uses a cache key consisting of store states (monotomically incresing ID per store). This has the disadvantage of allowing only a single level of depth when figuring out if a cache entry is stale. This leads to poor performance when the shape of a Reactor's state is more deep than wide, ie a store having multiple responsibilities for state tracking. The implementation is as follows: - Consumer can set the maxCacheDepth when instantiating a reactor - Getters are broken down into the canonical set of keypaths based on the maxCacheDepth - Add a keypath tracker abstraction to maintain the state value of all tracked keypaths - After any state change (`Reactor.__notify`) dirty keypaths are resolved and then based on which keypaths have changed any dependent observers are called
Instead of doing a full recursive traversal of the keypathStates tree, keep track of all changed paths as use that as an indicator of the paths the need to be cleaned
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