This script help to convert some file into the https://pokemonessentials.fandom.com/es/wiki/Archivos_PBS to json

pbs_files_convert.js

const fs = require('fs');
const path = require('path');
const nReadlines = require('n-readlines');
const source = './src';

function getFiles() {
	let arr = [];
	const fullPath = path.join(__dirname, source);
	const files = fs.readdirSync(fullPath, { withFileTypes: true });

	files.forEach((file) => arr.push(file));

	return arr;
}

function getDataFromFile(filename) {
	const broadbandLines = new nReadlines(filename);

	let line;
	let lineNumber = 1;
	let arr = [];
	let obj = {};

	while ((line = broadbandLines.next())) {
		setLineToObject(line.toString('ascii'), arr, obj);
		lineNumber++;
	}

	arr.push(obj);
	return arr;
}

function setLineToObject(line, arr, obj) {
	if (line.includes('[') && line.includes(']')) {
		const prop = line
			.replace('o;?', '')
			.replace('[', '')
			.replace(']', '')
			.replace('\r', '');

		if (Object.keys(obj).length > 0) {
			arr.push({ ...obj });
		}

		obj['Id'] = prop;
	} else {
		const [key, val] = line.replace('\r', '').split('=');
		obj[key] = val;
	}
}

function saveFile(fullPath, content) {
	const newPath =
		fullPath.substring(0, fullPath.length - 4).replace('src', 'dist') +
		'.json';

	try {
		const flag = !fs.existsSync(newPath) ? 'a+' : 'w';
		writeSave(newPath, content, flag);
	} catch (err) {
		console.error(err);
	}
}

function writeSave(newPath, content, flag) {
	fs.writeFileSync(newPath, JSON.stringify(content), {
		flag: flag,
	});
}

function getExcludeFile() {
	return ['.DS_Store'];
}

function convertFile() {
	const files = getFiles();

	try {
		files
			.filter((dirent) => dirent.isFile())
			.map((filename) => {
				if (getExcludeFile().indexOf(filename.name) === -1) {
					const fullPath = path.join(
						__dirname,
						source + '/' + filename.name
					);
					const data = getDataFromFile(fullPath);
					saveFile(fullPath, data);
				}
			});
	} catch (error) {
		console.log(error);
	}
}

convertFile();