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@@ -1,7 +1,11 @@
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# Strict Mode
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+# 严格模式
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+
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To enable strict mode, simply pass in `strict: true` when creating the Vuex instance:
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+要开启严格模式，只需要在创建 Vuex 实例时传入 `strict: true`:
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+
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``` js
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const vuex = new Vuex({
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// ...
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@@ -11,12 +15,20 @@ const vuex = new Vuex({
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In strict mode, whenever Vuex state is mutated outside of mutation handlers, an error will be thrown. This ensures that all state mutations can be explicitly tracked by debugging tools.
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+在严格模式中，每当 Vuex state 在 mutation handlers 外部被改变时都会抛出错误，以确保所有 state mutations 都可以清晰地被 debugging 工具跟踪。
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+
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### Development vs. Production
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+### 开发环境 vs. 生产环境
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+
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**Do not enable strict mode when deploying for production!** Strict mode runs a deep watch on the state tree for detecting inappropriate mutations - make sure to turn it off in production to avoid the performance cost.
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+**不要在生产环境中开启严格模式！** 为检测使用有问题的 mutations, 严格模式会对 state 树进行深入的监测。所以为了避免不必要的性能损耗，请在生产环境中关闭严格模式。
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+
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Similar to middlewares, we can let the build tools handle that:
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+和中间件一样，我们可以借助 build tool 来做这件事情：
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+
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``` js
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const vuex = new Vuex({
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// ...
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Randy