Zhentiw - 博客园

2017年3月23日

摘要： Create an app with routing config: If you want to generate a new module with routing , you can also do: Define env variable: You can create a custom e 阅读全文

posted @ 2017-03-23 21:48 Zhentiw 阅读(257) 评论(0) 推荐(0)

[React Router v4] Intercept Route Changes

摘要： If a user has entered some input, or the current Route is in a “dirty” state and we want to confirm that data will be lost, React Router v4 provides a 阅读全文

posted @ 2017-03-23 04:35 Zhentiw 阅读(428) 评论(0) 推荐(0)

[React Router v4] Redirect to Another Page

摘要： Overriding a browser's current location without breaking the back button or causing an infinite redirect can be tricky sometimes. In this lesson we'll 阅读全文

posted @ 2017-03-23 04:13 Zhentiw 阅读(423) 评论(0) 推荐(0)

2017年3月22日

[Angular] Updating and resetting FormGroups and FormControls

摘要： If you want to reset or just update field value, you can do: reset: reset({key: value, k2:v2}); update: 1. patchValue({k: v}); update part of form fie 阅读全文

posted @ 2017-03-22 19:59 Zhentiw 阅读(250) 评论(0) 推荐(0)

[Angular] Subscribing to the valueChanges Observable

摘要： For example we have built a form: We want to reponse to each time 'stock' value changes. To do that we can subscrube 'valueChanges' for form. Notice t 阅读全文

posted @ 2017-03-22 19:48 Zhentiw 阅读(352) 评论(0) 推荐(0)

2017年3月21日

[RxJSv& Javascript] forkJoin (reactive Promise.all) & Map

摘要： forkJoin: When all observables complete emit the last value from each. 阅读全文

posted @ 2017-03-21 23:59 Zhentiw 阅读(502) 评论(0) 推荐(0)

[Angular] FormBuildAPI

摘要： Using FormBuilder API can simply our code, for example we want to refactor following code by using FormBuilder: First thing we need to do is actually 阅读全文

posted @ 2017-03-21 23:41 Zhentiw 阅读(380) 评论(0) 推荐(0)

[React Router v4] Render Multiple Components for the Same Route

摘要： React Router v4 allows us to render Routes as components wherever we like in our components. This can provide some interesting use cases for creating 阅读全文

posted @ 2017-03-21 19:55 Zhentiw 阅读(449) 评论(0) 推荐(0)

[React Router v4] Conditionally Render a Route with the Switch Component

摘要： We often want to render a Route conditionally within our application. In React Router v4, the Route components match the current route inclusively so 阅读全文

posted @ 2017-03-21 19:49 Zhentiw 阅读(302) 评论(0) 推荐(0)

[React Router v4] Render Catch-All Routes with the Switch Component

摘要： There are many cases where we will need a catch-all route in our web applications. This can include 404-style routes when nothing is match or other us 阅读全文

posted @ 2017-03-21 19:40 Zhentiw 阅读(404) 评论(0) 推荐(0)

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