build.js

const version = require('./package.json').version;
const exec = require('child_process').execSync;
const util = require('util');
const rimraf = util.promisify(require('rimraf'));
const copyFile = require('fs').copyFileSync;
const unlink = require('fs').unlinkSync;
const mv = util.promisify(require('mv'));
const { readdirSync } = require('fs');

const usedBlocks = [
	'hero',
	'gallery-masonry',
	'dynamic-separator',
	'gallery-stacked',
	'pricing-table',
	'click-to-tweet',
];

const filesToRemove = [
	'includes/class-coblocks-accordion-ie-support.php',
	'includes/class-coblocks-form.php',
	'includes/class-coblocks-google-map-block.php',
	'includes/class-coblocks-block-settings.php',
	'includes/get-dynamic-blocks.php',
	'dist/js/coblocks-accordion-polyfill.min.js',
	'dist/js/coblocks-google-maps.min.js',
	'dist/js/coblocks-google-recaptcha.min.js',
	'dist/js/vendors/flickity.min.js',
	'dist/js/vendors/lity.min.js',
	'dist/css/coblocks-getting-started.css',
	'dist/css/coblocks-getting-started.min.css',
	'dist/images/social/email.svg',
	'dist/images/social/facebook.svg',
	'dist/images/social/google.svg',
	'dist/images/social/linkedin.svg',
	'dist/images/social/pinterest.svg',
	'dist/images/social/reddit.svg',
	'dist/images/social/tumblr.svg',
];

const directoriesToRemove = [
	'includes/admin',
	'src',
	'dist/images/admin',
	'dist/images/map',
	'dist/images/markers',
];

build();

async function build() {
	await removeDirectory('./coblocks');
	await removeDirectory('./build');
	cloneRelease(version);
	removedUnusedBlocks(usedBlocks);
	copy('./blocks.js', './coblocks/src/blocks.js');
	copy('./class-coblocks.php', './coblocks/class-coblocks.php');
	runCoBlocksBuild();
	await moveDirectory('./coblocks/build/coblocks', `./build/${version}`);
	await removeDirectory('./coblocks');
	cleanBuild();
}

function removedUnusedBlocks(usedBlocks) {
	console.log(`Removing unused block src`);
	const path = './coblocks/src/blocks';
	readdirSync(path, { withFileTypes: true })
		.filter(directoryItem => directoryItem.isDirectory())
		.map(directoryItem => directoryItem.name)
		.forEach(dir => {
			if (!usedBlocks.includes(dir)) {
				removeDirectory(`${path}/${dir}`);
			}
		});
	removeDirectory('./coblocks/src/sidebars/block-manager');
	removeDirectory('./coblocks/src/extensions/typography');
}

function removeDirectory(directory) {
	console.log(`Removing directory  ${directory}`);
	try {
		return rimraf(directory);
	} catch (error) {
		console.log(`There was an error removing ${directory}: ${error}`);
	}
}

function cloneRelease(version) {
	console.log(`Cloning the CoBlocks branch for release ${version}`);
	try {
		exec(`git clone --branch ${version} https://github.com/godaddy/coblocks.git`);
	} catch (error) {
		console.log(`There was an error cloning the CoBlocks repo: ${error}`);
	}
}

function copy(source, destination) {
	console.log(`Copying ${source} to ${destination}`);
	try {
		copyFile(source, destination, () => console.log('success'));
	} catch (error) {
		console.log(`There was an error copying ${source} to ${destination}`);
	}
}

function removeFile(file) {
	console.log(`Removing ${file}`);
	try {
		unlink(file, () => console.log('success'));
	} catch (error) {
		console.log(`There was an error removing ${file}`);
	}
}

function moveDirectory(source, destination) {
	console.log(`Moving ${source} to ${destination}`);
	try {
		return mv(source, destination, { mkdirp: true });
	} catch (error) {
		console.log(`There was an error moving ${source} to ${destination}`);
	}
}

function runCoBlocksBuild() {
	console.log('Running CoBlocks build ...');
	try {
		exec('cd coblocks && npm install && grunt build', {
			maxBuffer: 1024 * 2000,
		});
	} catch (error) {
		console.log(`There was an error running the CoBlocks build: ${error}`);
	}
}

function cleanBuild() {
	directoriesToRemove.forEach(directory => removeDirectory(`./build/${version}/${directory}`));
	filesToRemove.forEach(file => removeFile(`./build/${version}/${file}`));
	copy(
		'./class-coblocks-register-blocks.php',
		`./build/${version}/includes/class-coblocks-register-blocks.php`
	);
}