在 Typescript 中重新导出类

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时间:2020-10-21 03:25:24  来源:igfitidea点击:

Reexport class in Typescript

typescript

提问by mleko

I have two classes in two files.

我在两个文件中有两个类。

//a.ts
export class A{}

//b.ts
export class B{}

How I can build file c.tsfrom which I could import both classes?

我如何构建可以c.ts从中导入两个类的文件?

import {A, B} from "c";

instead of

代替

import {A} from "a";
import {B} from "b";

I want to make kind of export facade. How to reexport type?

我想做一种出口外观。如何转口类型?

回答by mleko

I found answer by myself

我自己找到了答案

https://www.typescriptlang.org/docs/handbook/modules.html@Re-exports

https://www.typescriptlang.org/docs/handbook/modules.html@Re-exports

Code to do what I wanted

代码做我想做的事

//c.ts
export {A} from "a";
export {B} from "b";

Default export

默认导出

Assuming you have file

假设你有文件

//d.ts
export default class D{}

Re-export have to look like this

重新导出必须看起来像这样

//reexport.ts
export { default } from "d";

or

或者

//reexport.ts
export { default as D } from "d";

What happens here is that you're saying "I want to re-export the default exportof module "D" but with the name of D

这里发生的事情是你说“我想重新导出default export模块“D”但名称为D