代码语言:javascript 代码运行次数:0 Type'Element | undefined'is not assignable to type'ReactElement<any, any> | null'.Type'undefined'is not assignable to type'ReactElement<any, any> | null'.ts(2322) 很显然,React 组件要求return一个Element元素,代码在此前写了一个空的return,所以就报这个错误了。
错误信息 "type 'string | string[]' is not assignable to type 'string'" 表明你试图将一个联合类型(string | string[])赋值给一个仅接受字符串类型(string)的变量或参数。联合类型表示该变量可以是字符串类型或字符串数组类型,而目标类型仅允许单一字符串。 2. 识别问题的根源 问题的根源在于类型不匹配。你...
The error message “Type ‘string’ is not assignable to type ‘string & …'” is indicating that the variable being assigned is of type ‘string’, but the type it is being assigned to is expecting a more complex type that includes a string but also has additional properties o...
问对typescript中这个复杂的'is not assignable to type‘错误的解释ENTypescript为javascript加入了众多类...
Type 'Element' is not assignable to type 'ReactElement<any>' Type 'string | ComponentClass<any> | StatelessComponent<any>' is not assignable to type 'string | StatelessComponent<any> | ComponentClass<any, ComponentState>'. But removing dependencies solved it: ...
interface Mappings { EC2: { component: React.FC<{}>; name: string; description: string; }; } export enum ResourcesEnum { EC2 = 'EC2', S3 = 'S3', } 在同一文件中定义的映射对象: Error message: Type 'Element' is not assignable to type 'FC<{}>'. Type 'Element' provides no ma...
Version: Deno 2.0.6 On VSCode, sometimes all my TSX shows the following errror: Type 'Element' is not assignable to type 'ReactNode'. Property 'children' is missing in type 'VNode<any>' but required in type 'ReactPortal'.deno-ts(2322) in...
};exportdefaultApp; 这仍然符合FunctionComponent接口中指定的返回类型,因为我们的组件返回的是一个单一的React元素。 总结 为了解决"Type '() => JSX.Element[]' is not assignable to type FunctionComponent"错误,可以使用React片段或者div将元素数组进行包裹。
当我们尝试从函数组件中返回元素组成的数组时,会产生"Type '() => JSX.Element[]' is not assignable to type FunctionComponent"错误。为了解决该错误,可以将元素数组包裹在React片段中。 这里有个示例用来展示错误是如何发生的。 // App.tsx import React from 'react'; ...
Assigned expression type string is not assignable to type CSSStyleDeclaration According to mdn, HTMLElement.style should be treated as read-only and not used to set a style attribute string; instead it is a CSSStyleDeclaration, as IntelliJ has informed you. ...