sw-generator.js

/* eslint-disable */
var fs = require('fs');
var _ = require('lodash');
var exclude = [
	'sw.js',
	'push-manifest.json',
	'serv-worker.js',
	'sw-toolbox.js',
	'manifest.json',
	'idb-keyval.js',
	'index.html'
];
var config = require('./src/config.production.js');

//read all files that have to be precashed
var fileList = fs.readdirSync('./build').filter(function(item) {
	return exclude.indexOf(item) < 0 && !_.endsWith(item, '.png');
});

//read SW template
var swTemplate = fs.readFileSync('./src/sw.js', 'utf8');
var swCompile = _.template(swTemplate);
var sw = swCompile({
	precache: '"' + fileList.join('","') + '"',
	hash: new Date().getTime(),
	api_url: config.API_URL,
	base_url: config.BASE_URL
});

//copy SW-toolbox script
fs
	.createReadStream('./node_modules/sw-toolbox/sw-toolbox.js')
	.pipe(fs.createWriteStream('./build/sw-toolbox.js'));
fs
	.createReadStream('./node_modules/idb-keyval/dist/idb-keyval-min.js')
	.pipe(fs.createWriteStream('./build/idb-keyval.js'));
fs
	.createReadStream('./src/assets/icons/launcher-icon-3x.png')
	.pipe(fs.createWriteStream('./build/notification-icon.png'));

//save SW file
fs.writeFileSync('./build/serv-worker.js', sw, 'utf8');

console.log('SW generated...');