键入'MouseEvent<Element，MouseEvent>‘不能指定键入'MouseEvent<HTMLDivElement，MouseEvent>’

Question

我正在写一个反应应用程序的类型记录，在那里，我试图处理右击和左键。

这是我的界面

interface ButtonProps {
    value: CellValue;
    state: CellState;
    row: number;
    col: number;
    onClick(rowParam: number, colParam: number) : (e: React.MouseEvent) => void;
    onContext(rowParam: number, colParam: number) : (e: React.MouseEvent) => void;
} 

现在，我声明了回调函数，如

const handleContextMenu = (rowParam: number, cellParam: number) => (e: React.MouseEvent<HTMLDivElement, MouseEvent>) : void => {
      e.preventDefault();
}

最后声明了我的组件

<Button 
  key={`${rowIndex}*${cellIndex}`} 
  value={cell.value} 
  state={cell.state} 
  onClick={handleCellClick}
  onContext={handleContextMenu}
  row={rowIndex} 
  col={cellIndex} 
/>

但我犯了个错误

Type '(rowParam: number, cellParam: number) => (e: React.MouseEvent<HTMLDivElement, MouseEvent>) => void' is not assignable to type '(rowParam: number, colParam: number) => (e: MouseEvent<Element, MouseEvent>) => void'.
  Type '(e: React.MouseEvent<HTMLDivElement, MouseEvent>) => void' is not assignable to type '(e: MouseEvent<Element, MouseEvent>) => void'.
    Types of parameters 'e' and 'e' are incompatible.
      Type 'MouseEvent<Element, MouseEvent>' is not assignable to type 'MouseEvent<HTMLDivElement, MouseEvent>'.
        Type 'Element' is missing the following properties from type 'HTMLDivElement': align, accessKey, accessKeyLabel, autocapitalize, and 111 more.  TS2322

    53 |                 state={cell.state} 
    54 |                 onClick={handleCellClick}
  > 55 |                 onContext={handleContextMenu}
       |                 ^
    56 |                 row={rowIndex} 
    57 |                 col={cellIndex} 
    58 |             />

我对打字稿不太了解，但据我说，HTMLDivElement应该是HTMLElement类型的，对吗？

Answer 1

解决方案

从HTMLDivElement改为Element解决您的问题。

// Before
const handleContextMenu = (...) => (e: React.MouseEvent<HTMLDivElement, MouseEvent>) : void => {
  ...
}
// After
const handleContextMenu = (...) => (e: React.MouseEvent<Element, MouseEvent>) : void => {
  ...
}

解释

层次关系如下：

⌞元素

⌞高温超导元件

⌞高温分解元件

• 参考文献：接口HTMLDivElement

错误消息显示的内容如下：

类型‘元素’缺少‘HTMLDivElement’类型中的下列属性:对齐、accessKey、accessKeyLabel、自动大写和111个。TS2322

这说明在Element中找不到一些属于HTMLDivElement的道具。