excalidraw

手绘风格白板库
https://excalidraw.com/
https://github.com/excalidraw/excalidraw
https://juejin.cn/post/7004625492955365389#heading-0

用到的 File新技术
FileOpenPicker只有两个方法，PickSingleFileAsync和PickMultipleFilesAsync。两者都是打开对话框，需要await修饰

• Window.showOpenFilePicker
• Window.showSaveFilePicker
• window.showDirectoryPicker
• DataTransferItem.getAsFileSystemHandle

roughjs

https://roughjs.com/
Github https://github.com/rough-stuff/rough

手绘风格的 svg图形库

• 绘制直线
• 曲线
• 圆弧
• 多边形
• 圆和椭圆 ```jsx npm install —save roughjs

import rough from ‘roughjs’; ```

diagrams.net

在线的流程图
https://www.diagrams.net/
https://blog.csdn.net/daqiang012/article/details/111475087

terrastruct

https://terrastruct.com/