Deno -> 我如何运行代码到运行而没有错误？

Question

我想从本地导入

测试环境Deno v1.6.0

我试过 Deno lang 的本地导入

本地目录

.
└── src
    └── sample
        ├── hello_world.ts
        ├── httpRequest.ts
        ├── localExport
        │       └── arithmetic.ts
        ├── localImport.ts

'./localExport/arithmetic.ts' 待导入文件

function add(outbound: number, inbound: number): number {
  return outbound + inbound
}

function multiply(sum: number, tax: number): number {
  return sum * tax
}

'./localImport.ts' 文件到运行

import { add, multiply } from "./localImport/arithmetic.ts";

function totalCost(outbound: number, inbound: number, tax: number): number {
  return multiply(add(outbound, inbound), tax);
}

console.log(totalCost(19, 31, 1.2));
console.log(totalCost(45, 27, 1.15));

运行以上代码

❯ deno run src/sample/localImportExport.ts

我收到错误：

❯ deno run src/sample/localImportExport.ts 
error: Uncaught SyntaxError: The requested module './localImport/arithmetic.ts' does not provide an export named 'add'
import { add, multiply } from "./localImport/arithmetic.ts";
         ~~~
    at <anonymous> (file:///Users/ko-kamenashi/Desktop/Samples/Deno/deno-sample/src/sample/localImportExport.ts:1:10)

我该怎么办？

Answer 1

错误 The requested module './localImport/arithmetic.ts' does not provide an export named 'add' 告诉您应该使用 export

只需将以下行添加到文件末尾 `export {add, multiply}

'./localExport/arithmetic.ts' 待导入文件

function add(outbound: number, inbound: number): number {
  return outbound + inbound
}

function multiply(sum: number, tax: number): number {
  return sum * tax
}

export {add, multiply}

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