Prevent Extra React Re-renders with Zustand shallow Selectors
Use Zustand's shallow utility to prevent React components from re-rendering when store state gets a new reference but unchanged content.
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reactDiagnosing Selector‑Based Re‑Render Issues in Zustand
When a Zustand selector stops re‑rendering, the culprit is often a selector error, faulty equality, or direct state mutation. Follow this step‑by‑step diagnostic guide to find and fix the problem quickly.
ngrx/entity pagination selector: configuring page‑size validation
Goal: ensure that the pagination selector created with createPaginationSelector validates that the supplied page size is a positive integer before slicing the entity map. Currently the selector accepts any number; zero or negative produce an empty slice, and excessively large page sizes cause unnecessary work. This silent behavior can hide bugs in UI compone
ngrxUI Stale After In-Place State Mutation in Redux Reducer
Goal: Understand if a Redux reducer that mutates state in place and returns the original reference causes React Redux subscribers to skip re‑renders, and how this behavior varies between React Redux versions and selector configurations. Constraints: The reducer must not return a new reference; the store is not frozen; selectors use default shallow equality u
reduxNgRx Selector Memoization When Input References Change Each Change Detection Cycle
Goal: Understand whether an NgRx selector created with createSelector will recompute on every Angular change detection cycle when its input observable emits a new object reference each cycle, even if the underlying immutable state has not changed. Constraints: The selector uses the default projection function (reference equality), the application relies on i
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