本文详细介绍了如何手写实现 Vuex4 的核心功能，包括响应式状态管理、getters、commit/dispatch、模块注册、命名空间、严格模式和插件模式等。
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手写 Vuex4 源码Vuex4 是 Vue 的状态管理工具，Vuex 和单纯的全局对象有以下两点不同：Vuex 的状态存储是响应式的不能直接改变 store 中的状态。改变 store 中的状态的唯一途径就是显式地 提交 (commit) mutation。本文手写部分分为八个部分，基本包含了 Vuex 的功能。实现获取state并响应式修改state实现getters实现 commit 和 dispatch注册模块注册模块上的 getters，mutations，actions 到 store 上命名空间严格模式插件模式
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