Rare Earth Juejin Tech Community
Oct 21, 2024 · Frontend Development
Understanding Vue 3.5 Version Counting and Lazy Update Mechanism
Vue 3.5 introduces version counting and a bidirectional linked‑list to optimize lazy updates, using a globalVersion counter, dep.version tracking, and batch processing to efficiently determine when computed and effect functions need recomputation, reducing memory usage and unnecessary calculations.
Lazy UpdateReactive SystemVersion Counting
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