Duplicate content with JS

duplicate.js

const fs = require('fs-extra');
const glob = require('glob');
const promisify = require('util.promisify');

const globAsync = promisify(glob);

const getAllFiles = async () => {
  const allFiles = await globAsync('../content/**/*.de.md');
  for (const file of allFiles) {
    await fs.copy(file, file.replace('.de.md','.test.md'));
  }
}



(async () => {
    await getAllFiles();
})();

package.json

{
  "name": "duplciate-content",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "dependencies": {
    "fs-extra": "^9.0.1",
    "glob": "^7.1.6"
  }
}