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One of the best alternatives is fs-extra

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fs-ext provides several useful methods for Node.js built-in fs. With Typescript under the hood you will be able to write nice and shiny Node scripts.

Getting Started

Add fs-ext to your project by running:

npm install @public-js/fs-ext --save

Then import it with any of these:

import { fileExt } from '@public-js/fs-ext';
import * as fsExt from '@public-js/fs-ext';
const fsExt = require('@public-js/fs-ext');

API reference

forEachFile

Iterates over all files inside the specified directory executing callback for each file found.

Example:

const dirPath = path.resolve(__dirname, 'dist');
fsExt.forEachFile(dirPath, function(err, filePath) {
    console.log(filePath); // '/path/to/dist/hello.json'
});

fileExt

Provide this function with any file and get it's extension in a callback.

Example:

const filePath = path.resolve(__dirname, 'file.json');
fsExt.fileExt(filePath, function(err, result) {
    console.log(result); // 'json'
});

fileExtSync

Literally the same as fileExt but no callback needed.

Example:

const filePath = path.resolve(__dirname, 'file.json');
console.log(fsExt.fileExtSync(filePath)); // 'json'

isFileExt

Provide this function with any file and extension to test against to get result in a callback.

Example:

const filePath = path.resolve(__dirname, 'file.json');
fsExt.isFileExt(filePath, 'json', function(err, result) {
    console.log(result); // true
});

isFileExtSync

Literally the same as isFileExt but no callback needed.

Example:

const filePath = path.resolve(__dirname, 'file.json');
console.log(fsExt.isFileExtSync(filePath, 'json')); // true