A function to recursively get all files in an array.

getAllFiles.js

/**
 * Gets all files as the function says.
 *
 * @param {string} dirPath
 * @param {string[]} arrayOfFiles
 * @returns {*|string[]}
 */
const getAllFiles = function(dirPath, arrayOfFiles) {
	const files = fs.readdirSync(dirPath)

	arrayOfFiles = arrayOfFiles || []

	files.forEach(function(file) {
		if (fs.statSync(dirPath + "/" + file).isDirectory()) {
			arrayOfFiles = getAllFiles(dirPath + "/" + file, arrayOfFiles)
		} else {
			// Get only PHP and CSS, minus the .min files
			if ( ! file.includes( '.min' ) && extensions.includes( path.extname( file ) ) ) {
				arrayOfFiles.push(path.join(__dirname, dirPath, "/", file))
			}
		}
	})

	return arrayOfFiles
}