useCounterStore

UseCounterStore is a common naming convention for a small, reusable state container in modern frontend applications. It refers to a store that manages a single numeric counter, exposing both the current value and a set of methods to mutate it. The pattern is employed across libraries such as React with Zustand and Vue 3 with Pinia, where a function named useCounterStore returns a reactive store instance.

In the typical Pinia style, the store is defined with a unique id, a state function that initializes count to 0, optional getters that derive values (for example doubleCount), and actions that modify the state (increment, decrement, reset). In Zustand, the store factory returns an object with a count property, mutating methods, and sometimes selectors for derived views. The exact syntax varies by library, but the intent is the same: a centralized, testable unit of state that can be consumed by multiple components.

Usage generally involves importing or creating the store through its hook or factory and reading the count while invoking actions to update it. In React, components call useCounterStore and access store.count and store.increment(); in Vue, a component may call useCounterStore() in setup and reference counterStore.count.

Benefits of this pattern include predictable reactivity, encapsulation of state logic, and easy sharing across components. Considerations include avoiding overuse for large or unrelated state, and ensuring consistent update patterns and type safety.