TypeScript export/import 函数

TypeScript export/import function

我写了一个模块(通过 npm 从私人仓库安装),其结构如下:

email.ts, utils.ts, index.ts, (一些其他文件)

在我的 email.ts 上,我有以下功能:

export default function sendEmail(toEmail: string, subject: string, content: string): any {

    let helper = SendGrid.mail;

    let from_email: any = new helper.Email(process.env.FROM_EMAIL);
    let to_email: any = new helper.Email(toEmail);
    let helperContent: any = new helper.Content("text/plain", content);
    let mail: any = new helper.Mail(from_email, subject, to_email, helperContent)

    var request = SendGrid.emptyRequest({
        method: "POST",
        path: "/v3/mail/send",
        body: mail.toJSON()
    });

    //This performs the request with a promise
    SendGrid.API(request).then((response: any) => {
        //Deal with output as needed
        console.log("email was sent!!");
    }).catch((err: any) => {
        //log.error(err);
    });
}

然后,在我的 index.ts 上,我有以下声明:

export * from "./email";
export * from "./errors";
export * from "./logger";
export * from "./objectUtils";
export * from "./queryFilter";
export * from "./templateEngine";
export * from "./utils";

在导入此模块的应用程序中,我将其导入为

import * as Utils from "my-utils";

最后,每当我想使用 sendEmail 函数时,我都会使用以下语句调用它:

Utils.sendEmail(email, subject, content);

然而,这总是会引发错误,指出 "Cannot read property 'sendEmail' of undefined".

为什么会这样?以这种方式导出时,我不应该能够使用这种类型的声明吗? 解决方案是什么?

此致

尝试更改

export default function sendEmail

只是

export function sendEmail