package.js

const util = require('util');
const exec = util.promisify(require('child_process').exec);
const fs = require('fs');
const yargs = require('yargs').argv;
const ora = require('ora');
const rimraf = require('rimraf');
require('colors');

const isVerbose = yargs.verbose === 'true' || yargs.verbose === true;
const TO_PRESERVE_DURING_CLEAN_UP = ['package.json', '.git', '.gitignore', 'node_modules', 'LICENSE.md', 'README.md'];

const run = async () => {
    const srcPath = __dirname + '/src/package';
    const srcFiles = fs.readdirSync(srcPath);
    const buildingPackageSpinner = ora(`Building fresh package...`).start();
    try {
        await exec('npm run package');
    } catch (error) {
        buildingPackageSpinner.fail('Package build failed.');
        if (isVerbose) {
            console.error(error);
        }
        process.exit(-1);
    }
    buildingPackageSpinner.succeed('Package built.');

    const postBuildCleanUpSpinner = ora('Doing post-build clean-up...').start();
    const rootNewFiles = fs.readdirSync(__dirname);
    rootNewFiles
        .filter(name => !srcFiles.includes(name) && !TO_PRESERVE_DURING_CLEAN_UP.includes(name))
        .forEach(fileName => {
            rimraf.sync(__dirname + `/${fileName}`, {}, () => {});
        });
    postBuildCleanUpSpinner.succeed('Did post-build clean up.');
};

run();