Translated cookbook/adding-instance-properties.md #687

Jinjiang · 2018-03-16T05:15:06Z

Thanks.

Justineo · 2018-04-02T16:16:38Z

src/v2/cookbook/adding-instance-properties.md


 ``` js
 Vue.prototype.$appName = 'My App'
 ```

-Now `$appName` is available on all Vue instances, even before creation. If we run:
+这样 `$appName` 就在所有的 Vue 实例中可用来，甚至在实例被创建之前就可以。如果我们运行：


可用来 → 可用了

Justineo · 2018-04-02T16:21:47Z

src/v2/cookbook/adding-instance-properties.md


 ``` js
 new Vue({
  data: {
-    // Uh oh - appName is *also* the name of the
-    // instance property we just defined!
+    // 哦，`appName` *也*是一个我们定义的实例属性名！😯


Uh oh → 啊哦

Justineo · 2018-04-03T02:39:23Z

src/v2/cookbook/adding-instance-properties.md


-## Real-World Example: Replacing Vue Resource with Axios
+## 真实的示例：通过 Axios 替换 Vue 资源


Vue Resource 不用翻译吧？

Justineo · 2018-04-03T02:40:03Z

src/v2/cookbook/adding-instance-properties.md


-Let's say you're replacing the [now-retired Vue Resource](https://medium.com/the-vue-point/retiring-vue-resource-871a82880af4). You really enjoyed accessing request methods through `this.$http` and you want to do the same thing with Axios instead.
+比如你需要替换已经废弃的 [Vue Resource](https://medium.com/the-vue-point/retiring-vue-resource-871a82880af4) 库。你实在是很喜欢通过 `this.$http` 来访问请求方法，希望还能这样使用 Axios。


比如你打算/准备……？

「……希望换成 axios 以后还能继续这样用」

Justineo · 2018-04-03T02:44:01Z

src/v2/cookbook/adding-instance-properties.md


-In case you're not aware, methods added to a prototype in JavaScript gain the context of the instance. That means they can use `this` to access data, computed properties, methods, or anything else defined on the instance.
+在例子中你可能没有意识到，在 JavaScript 中一个原型的方法会获得该实例的上下文。也就是说它们可以使用 `this` 访问数据、计算属性、方法或其它任何定义在实例上的东西。


In case → 防止

这里感觉写成「你可能没有意识到」就可以了。

Justineo · 2018-04-03T02:57:08Z

src/v2/cookbook/adding-instance-properties.md


-### When Not Using a Module System
+### 什么时候不要使用模块系统


当没有使用模块系统时

Justineo · 2018-04-03T02:58:52Z

src/v2/cookbook/adding-instance-properties.md

    reverseText: function (text) {
      return text.split('').reverse().join('')
    }
  }
 })
 ```

-<p class="tip">If you raised an eyebrow at `Object.freeze`, what it does is prevent the object from being changed in the future. This essentially makes all its properties constants, protecting you from future state bugs.</p>
+<p class="tip">如果你在好奇 `Object.freeze`，它做的事情是阻止这个对象在未来被修改。它有效的保证了其属性的持久性，避免在未来出现状态的 bug。</p>


这实质上将它的属性都设为常量

这个 bug 没翻译，那么之前的一个「错误」也不翻译？

Justineo · 2018-04-03T03:02:21Z

src/v2/cookbook/adding-instance-properties.md

@@ -186,8 +185,8 @@ new Vue({
 })
 ```

-### When Using a Module System
+### 何时使用模块系统


当使用模块系统时

Justineo · 2018-04-03T03:03:15Z

src/v2/cookbook/adding-instance-properties.md


-When you have access to a module system, you can easily organize shared code into modules, then `require`/`import` those modules wherever they're needed. This is the epitome of explicitness, because in each file you gain a list of dependencies. You know _exactly_ each one came from.
+当你使用模块系统的时候，你可以在模块中轻松的将共享的代码组织起来，然后把那些模块 `require`/`import` 到任何你所需要的地方。这是一种显性的做法，因为在每个文件里你都能得到一份依赖清单。你可以_准确_的知道每个依赖的来历。


你可以轻松地把共享的代码组织成模块

建议删掉第一个「你」

这是一个典型的显式做法

Justineo · 2018-04-03T03:05:37Z

src/v2/cookbook/adding-instance-properties.md


-While certainly more verbose, this approach is definitely the most maintainable, especially when working with other developers and/or building a large app.
+虽然更加明晰，但是这种做法确实是最好维护的，尤其是当和多人一起协作一个大型应用的时候。


虽然这样显然更啰嗦，但是这种方法确实是最可维护的

Jinjiang · 2018-04-03T07:39:49Z

All done. Thanks.

translated cookbook/adding-instance-properties.md

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Jinjiang requested a review from Justineo March 16, 2018 05:15

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Translated cookbook/adding-instance-properties.md #687

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Jinjiang commented Mar 16, 2018

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		## Real-World Example: Replacing Vue Resource with Axios
		## 真实的示例：通过 Axios 替换 Vue 资源


		Let's say you're replacing the [now-retired Vue Resource](https://medium.com/the-vue-point/retiring-vue-resource-871a82880af4). You really enjoyed accessing request methods through `this.$http` and you want to do the same thing with Axios instead.
		比如你需要替换已经废弃的 [Vue Resource](https://medium.com/the-vue-point/retiring-vue-resource-871a82880af4) 库。你实在是很喜欢通过 `this.$http` 来访问请求方法，希望还能这样使用 Axios。


		In case you're not aware, methods added to a prototype in JavaScript gain the context of the instance. That means they can use `this` to access data, computed properties, methods, or anything else defined on the instance.
		在例子中你可能没有意识到，在 JavaScript 中一个原型的方法会获得该实例的上下文。也就是说它们可以使用 `this` 访问数据、计算属性、方法或其它任何定义在实例上的东西。


		### When Not Using a Module System
		### 什么时候不要使用模块系统


		When you have access to a module system, you can easily organize shared code into modules, then `require`/`import` those modules wherever they're needed. This is the epitome of explicitness, because in each file you gain a list of dependencies. You know _exactly_ each one came from.
		当你使用模块系统的时候，你可以在模块中轻松的将共享的代码组织起来，然后把那些模块 `require`/`import` 到任何你所需要的地方。这是一种显性的做法，因为在每个文件里你都能得到一份依赖清单。你可以_准确_的知道每个依赖的来历。


		While certainly more verbose, this approach is definitely the most maintainable, especially when working with other developers and/or building a large app.
		虽然更加明晰，但是这种做法确实是最好维护的，尤其是当和多人一起协作一个大型应用的时候。

Translated cookbook/adding-instance-properties.md #687

Translated cookbook/adding-instance-properties.md #687

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Jinjiang commented Apr 3, 2018

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