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directory-iterator-async.js

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const fs = require("fs");

const path = require("path");

const isFile = file => {

const stats = fs.lstatSync(file);

return stats.isFile();

};

const getFileName = file => {

const fileParts = file.split("/");

return fileParts[fileParts.length - 1];

};

const crawl = (file, indentation) => {

console.log(indentation + getFileName(file));

if (isFile(file)) {

// collect only files

} else {

const files = fs.readdirSync(file);

files.forEach(subfile => {

crawl(file + "/" + subfile, indentation + "\t");

});

}

};

const startingDirectory = "PATH_TO_YOUR_DIRECTORY";

crawl(startingDirectory, 0);