node.js - 如何在 typescript 中导入 recursive-readdir

Question

我在导入和使用 npm 模块 recursive-readdir 方面有点挣扎在 typescript 程序中。
之后 npm install recursive-readdir @types/recursive-readdir (@types/recursive-readdir@2.2.0, recursive-readdir@2.2.2) 以下代码段有效:

import * as RecursiveReaddir from 'recursive-readdir';

async function test () {
    const files = await RecursiveReaddir.default('/tmp');
    ...
}

文件 node_modules/@types/recursive-readdir/index.d.ts包含:

...
import * as fs from "fs";
declare namespace RecursiveReaddir {
    type IgnoreFunction = (file: string, stats: fs.Stats) => boolean;
    type Ignores = ReadonlyArray<string|IgnoreFunction>;
    type Callback = (error: Error, files: string[]) => void;
    interface readDir {
        (path: string, ignores?: Ignores): Promise<string[]>;
        (path: string, callback: Callback): void;
        (path: string, ignores: Ignores, callback: Callback): void;
    }
}

declare var recursiveReadDir: RecursiveReaddir.readDir;
export = recursiveReadDir;

我的问题:

函数RecursiveReaddir.default(...)在哪里来自(哪里？

是否有更易读和更直观的导入和使用？
例如 ìmport { readDir } from 'recursive-readdir';或类似的东西？

测试程序可在以下位置获得:
https://github.com/ManfredSteiner/stackovf_65391266

Answer 1

我在你的代码中得到了错误。(node:7541) UnhandledPromiseRejectionWarning: TypeError: RecursiveReaddir.default is not a function所以，我通过引用现有的测试代码来实现它。见下文

npm/recursive-readdir

github/recursive-readdir

测试.ts

// ./test.ts
import recursive from 'recursive-readdir';

async function test () {
    const files = await recursive(__dirname);
    console.log(files);
}

test()

命令

# node v12.13.1
# npm v6.11.3
npm install @types/recursive-readdir && \
npm install recursive-readdir

+ @types/recursive-readdir@2.2.0
+ recursive-readdir@2.2.2

tsc && node ./build/test.js

结果

# Success
[ '/Users/kmk/Project/src/github.com/myeongkil/tmp/stackoverflow/recursive-readdir/build/test.js' ]