const fastGlob = require("fast-glob");

const fs = require("fs");

const { promisify } = require("util");

const YAML = require("yaml");

const readFileAsync = promisify(fs.readFile);

const loadFiles = async (files) => {

return await Promise.all(

files.map(async (file) => {

let dataObject;

let fileContent = await readFileAsync(file).catch((e) => {

console.error("Error reading file: ", file);

console.error(e);

});

fileContent = fileContent.toString();

const extension = file.split(".").pop();

try {

if (extension === "yml" || extension == "yaml") {

dataObject = YAML.parse(fileContent);

} else {

dataObject = JSON.parse(fileContent);

}

} catch (e) {

console.error("Error parsing file: ", file);

console.error(e);

}

return {

filename: file,

data: dataObject,

};

})

);

};

var Loader = function () {};

Loader.loadFiles = async function (glob) {

const files = fastGlob.sync(glob);

const results = await loadFiles(files);

return results.filter((result) => result.data !== undefined);

};

module.exports = Loader;