在Vue项目中遇到“property 'then' does not exist on type 'void'”这个错误,通常意味着你尝试在一个返回类型为void的函数上调用then方法,而then是Promise对象特有的方法。这里有几个步骤可以帮助你解决这个问题: 1. 确认错误信息的上下文 首先,确认错误发生的具体位置。通常,这个错误会在尝试调用一个函数的then方...
{ ReactNode, useState } from 'react' import { User } from 'screens/project-list/search-panel' interface AuthForm { username: string, password: string } const AuthContext = React.createContext< { user: User|null, register: (form: AuthForm) => Promise<void>, login: (form: AuthForm) ...
I use HTMLAudioElement to play audio. But when I 'npm start' or 'ng build ..', there is a problem. "Property 'then' does not exist on type 'void'." Please help me. Code below (https://googlechrome.github.io/samples/play-return-promise/): ...
When I add the data option, Vetur thinks $const does not exist on "this", as if what's in data overwrites my augmented ComponentCustomProperties. Typescript is still getting the type inference as you can see from the cropped off bit of the image with the error so I think this is jus...
[ts] Property 'aaa' does not exist on type 'Window' 解决办法 第一种: 1 (windowasany).aaa 第二种: declareglobal{interfaceWindow { aaa: any; } } window.aaa= window.aaa || {}; 第三种: 1 2 3 4 5 interfaceMyWindow extends Window { aaa():void; } declarevarwindow: MyWindow;...
[ts] Property 'setData' does not exist on type '{ hideDialog(): void; showDialog(): void; _cancelEvent(): void; _confirmEvent(): void; }' 其实真正运行(runtime)中,this里是有setData属性的。而这里报错没有我猜测是因为ts运用的词法作用域来检测methods这个对象里没有setData属性,所以导致错误。
完美解决自定义windows变量打包报错:Property ‘XXX‘ does not exist on type ‘Window‘ 发生情景: 在app中的h5,app注入了全局的window对象和webview里面的页面交互,打包的时候报了错误。 解决方式: 方法一: (window as any).xxx 直接在组件里把window.jigsaw.init({}); 改成 (window as any).jigsaw.init...
this.houverIndex = i // vscode 的提示:Property 'test' does not exist no type 'Vue'. this.ab() // 如果是下面这种语法: // vscode 并不会报错 (this as any).houverIndex = i (this as any).test() this.$emit('mouseover', i) }, triggerToMouseout(i: number): void { (this as an...
如果一切顺利,重新编译应该通过,并且不再报告 “TS2339: Property ‘code’ does not exist on type ‘AxiosResponse<any, any>’.” 这个错误。 通过按照上述步骤解决 “TS2339: Property ‘code’ does not exist on type ‘AxiosResponse<any, any>’.” 这个问题,你应该能够成功地解决这个错误,并正确地使...
Typescript shows the errorProperty 'toBeChecked' does not exist on type 'Matchers<void, Element>'although the test runs correctly. What I have tried: I have triedimport "jest-dom/extend-expect";and `import '@testing-library/jest-dom/extend-expect'; as recommendedhere ...