主要实现思路就是将state.staplantypesArr赋值给重新定义的一个any类型的变量,然后再去获取数组元素调用属性赋值,以上就是TypeScript提示Property ‘xxx’ does not exist on type ‘never’问题解决方案,如果你有更好的解决方案,记得评论哦!
一、报错提示:Property 'xxx' does not exist on type 'never'. 开发过程中出现这个错误是因为Typescript在执行代码检查时在该对象没有定义相应属性,这个错误不致命,遇到该错误有以下几种解决办法。 1、将对象设置成 any this.targetArray =this.options.find((item:any)=>{returnitem.articleId ==val; }); ...
最近自己做东西的时候又遇到这么一个报错:Property ‘***’ does not exist on type ‘Readonly<{}>’.ts(2339),报错的意思可以参考typescript的官方错误信息列表:typescript官方错误信息列表,简单说就是我们使用的state中的数据,必须要在一开始用泛型去规定一下类型,防止错误类型的数据传进来。 如果想深入了解,...
interface IMenuButton { top: number // 上边界坐标,单位:px right: number // 右边界坐标,单位:px bottom: number // 下边界坐标,单位:px left: number // 左边界坐标,单位:px } export default Vue.extend({ props: { menuButton: { type: Object as PropType<IMenuButton>, }, }, computed: {...
Property 'doesntExist' does not exist on type '{}'. // Can't modify it example.doesntExist = 1; Property 'doesntExist' does not exist on type '{}'.Property 'doesntExist' does not exist on type '{}'. // Can't delete it delete example.doesntExist; Property 'doesntExist' does not...
this.houverIndex = i // vscode 的提示:Property 'test' does not exist no type 'Vue'. this.ab() // 如果是下面这种语法: // vscode 并不会报错 (this as any).houverIndex = i (this as any).test() this.$emit('mouseover', i) }, triggerToMouseout(i: number): void { (this as ...
app.ts:1:5 - error TS2550: Property 'at' does not exist on type 'number[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2022' or later. 1 [1].at(0) ~~ Found 1 error in app.ts:1 ...
简介:Vue+TS/Typescript:Property does not exist on type ‘(() => any) | ComputedOptions<any>‘ 目录 问题描述 解决方案 参考 问题描述 源代码如下 interface IMenuButton {top: number // 上边界坐标,单位:pxright: number // 右边界坐标,单位:pxbottom: number // 下边界坐标,单位:pxleft: number...
Describe the bug Property 'configs' does not exist on type 'typeof import("/home/kyle/dev/eslint-config/node_modules/eslint-plugin-perfectionist/dist/index")'.ts(2339) Code example import perfectionist from "eslint-plugin-perfectionist";...
interface Props { label: string, } export default Vue.extend({ props: { value: { type: Object, required: true, } as Props, }, computed: { label: { get() { // Property 'value' does not exist on type '{ get(): string; set(val: string): void; }'. return this.value.label;...