[英]SyntaxError using Babel and JSX when using class
I'm trying to create classes using webpack, babel and jsx 我正在尝试使用webpack,babel和jsx创建类
import Observable from '../../observable';
abstract class AbstractClient implements Observable {
var _name: string,
var _config: object,
function constructor(config: object) : variant,
...
}
export default AbstractClient;
And here is the error I get: 这是我得到的错误:
ERROR in ./app/adapter/AbstractAdapter/aclient.jsx
Module build failed: SyntaxError: /home/vinz243/Documents/nTorrent/app/adapter/AbstractAdapter/aclient.jsx: Unexpected token (5:9)
3 |
4 |
> 5 | abstract class AbstractClient implements Observable {
| ^
6 | var _name: string,
7 | var _config: object,
8 |
My babel presets 我的babel预设
presets:['es2015','stage-0','react']
There's no syntax support in ES2015 for abstract classes, that's why you get an unexpected token error. ES2015中没有抽象类的语法支持,这就是为什么您会收到意外的令牌错误的原因。 abstract is not a keyword in es2015 either, so the interpreter is probably interpreting abstract as a variable name.
abstract在es2015中也不是关键字,因此解释器可能会将abstract解释为变量名。
There are methods of implementing an abstract class pattern in Javascript. 有一些在Javascript中实现抽象类模式的方法。
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