React基础-配置React与TypeScript工作环境

比眉伴天荒 2022-11-14 10:27 172阅读 0赞

React基础

# 知识点总结 #

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 1]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 2]

![在这里插入图片描述][20210328223133322.png]

## 创建项目 ##

npx create-react-app my-app  
npm i  
npm start

## 项目启动 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 3]  
npm start启动项目  
eject 弹出配置》可自定义配置，需要git提交后才能弹出。  
弹出后目录下多了几个文件夹  
![在这里插入图片描述][20210328224831196.png]  
默认配置很强大，没有去改的必要。

## TypeScript配置 ##

安装  
npx create-react-app my-app-ts --template typescript

### TS基础知识 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 4]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 5]

### 配置 ###

多加这个属性可以默认让参数变any  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 6]  
这样  
![在这里插入图片描述][20210328230204660.png]  
配置文件讲解  
![在这里插入图片描述][20210328230508496.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 7]

## 深挖TS编译流程 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM0NTEwNQ_size_16_color_FFFFFF_t_70 8]  
ts的编译是用bable

## 给原生react项目添加ts ##

npm install --save typescript @types/node @types/node @types/react@types/react-dom @types/jest

2.把js文件全部改为tsx文件  
import一下不然报错  
![在这里插入图片描述][20210328233400532.png]

![在这里插入图片描述][20210328233337245.png]

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[20210328223133322.png]: https://img-blog.csdnimg.cn/20210328223133322.png
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[20210328224831196.png]: https://img-blog.csdnimg.cn/20210328224831196.png
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[20210328230204660.png]: https://img-blog.csdnimg.cn/20210328230204660.png
[20210328230508496.png]: https://img-blog.csdnimg.cn/20210328230508496.png
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[20210328233400532.png]: https://img-blog.csdnimg.cn/20210328233400532.png
[20210328233337245.png]: https://img-blog.csdnimg.cn/20210328233337245.png