Tag：Higher order
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Time：2020-3-18
Define component propstypes First define mapstatetoprops and mapdispatchtoprops import Types from “MyTypes”; const mapStateToProps = (state: Types.RootState) => ({ data: state.article.data, total: state.article.data.count }); const mapDispatchToProps = (dispatch: Dispatch) => bindActionCreators( { fetchData: (parmas: object) => fetchListData({ …parmas, all: “all” }), fetchSingleArt: (params: object) => fetchListData({ …params }), fetchTags: (params: object) => setTags({ …params }) […]
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Time：2020-3-5
Definition of higher order components Hoc advanced components, the concept comes from theHigher order function, the definition of higher-order function is: the input parameter is a function and returns the function of the function; and so on, the definition of higher-order component is: the input parameter is a component and returns the function of the […]
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Time：2020-2-23
background Hooks has been very popular since it was launched. It has changed the way we write react code and helped us write more concise code. Today’s article is not about hooks. Besides hooks, there are many practical skills to help us writeConcise and clearThe code. Today, I’ve sorted out a few techniques, some of […]
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Time：2020-2-16
Higher level components and subcomponents are not react APIs, but a form of code organization. This article is an introduction to the basic usage of these two methods. Higher level components: attribute proxies Simply understood, it is to receive a component as a parameter and return a component, so that the returned component has some […]
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Time：2020-1-19
Recommend 1. Deep to shallow understanding of react high-level components https://zhuanlan.zhihu.com/p/… The high-order component is extended from the high-order function. The high-order component accepts the react component as the input and outputs a new react component. This paper introduces how to write and use the high-order component in the react project, as well as some […]
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Time：2020-1-13
As the title shows, I’m going to write a series of articles about react hooks. In the past half year, I have applied react hooks to many large projects, including five new refactorings and a small amount of other projects due to time. These projects include React Native The application of the middle and background […]
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Time：2019-12-2
There is an important direction:NamelyAvoid unnecessary rendering。 React compares the virtual DOM tree returned by the render function with the old one to determine whether and how to update the dom. When will render be triggered Component mount: the process of component building and inserting DOM into the page is mount. Setsate() method called In […]
