archive.js

/* eslint-disable no-undef */
/* eslint-disable no-console */

// require modules
var fs = require( 'fs' );
var archiver = require( 'archiver' );

// list of files to add
var files = [
	'LICENSE',
	'README.txt',
	'comments.php',
	'footer.php',
	'functions.php',
	'header.php',
	'index.php',
	'rtl.css',
	'screenshot.png',
	'single.php',
	'style.css'
];

// list of directories to add
var directories = [
	'assets',
	'inc',
	'template-parts'
];

// create a file to stream archive data to.
var version	= '1.13';
var output = fs.createWriteStream( __dirname + '/dist/smntcs-retro-' + version + '.zip' );
var archive = archiver( 'zip', { zlib: { level: 9 } } );

// listen for all archive data to be written
// 'close' event is fired only when a file descriptor is involved
output.on( 'close', function() {
	console.log( archive.pointer() + ' total bytes');
	console.log( 'archiver has been finalized and the output file descriptor has closed.');
} );

// This event is fired when the data source is drained no matter what was the data source.
// It is not part of this library but rather from the NodeJS Stream API.
// @see: https://nodejs.org/api/stream.html#stream_event_end
output.on( 'end', function() {
	console.log( 'Data has been drained' );
} );

// good practice to catch this error explicitly
archive.on( 'warning', function( err ) {
	if ( err.code === 'ENOENT' ) {
		console.log( err );
	} else {
		throw err;
	}
} );

// good practice to catch this error explicitly
archive.on( 'error', function( err ) {
	throw err;
} );

// pipe archive data to the file
archive.pipe( output );

// append files
files.forEach( element => {
	archive.file( element, { name: element } );
} );

// append directories
directories.forEach( element => {
	archive.directory( element, element );
} );

// finalize the archive (ie we are done appending files but streams have to finish yet)
// 'close', 'end' or 'finish' may be fired right after calling this method so register to them beforehand
archive.finalize();