main.js

// compile with:
//		elm make Test/App.elm --output elm.js

// load Elm module
const elm = require('./elm.js');

const getConfig = arg => {
    try {
        return require(arg || './sampleConfig.js');
    }
    catch (err) {
        console.log(err);
        console.log("\n\Usage:  node main.js targetFilename configFilepath --debug\n\n    configFilepath and --debug are optional. configFilepath defaults to './sampleConfig'. (see main.js for more details).");
        process.exit(1);
    }
}

// run with:
//  node main.js targetFilename configFilepath --debug
//
//      targetFilename = name of file to scan.
//      configFilepath = pathname for ClamAV config. "" defaults to ./sampleConfig.js.  must follow 'node require' syntax (i.e. precede with ./ if in current directory).
//      --debug = optional, if --debug is specified, then debug logging will be enabled.

const targetFilename = process.argv[2];
const config = getConfig(process.argv[3]);
const debug = process.argv[4] || '';

const flags = {
    targetFilename,
    config,
    debug
};

// get Elm ports
const ports = elm.App.worker(flags).ports;

// keep our app alive until we get an exitCode from Elm or SIGINT or SIGTERM (see below)
setInterval(id => id, 86400);

ports.exitApp.subscribe(exitCode => {
	console.log('Exit code from Elm:', exitCode);
	process.exit(exitCode);
});

process.on('uncaughtException', err => {
	console.log(`Uncaught exception:\n`, err);
	process.exit(1);
});

process.on('SIGINT', _ => {
	console.log(`SIGINT received.`);
	ports.externalStop.send(null);
});

process.on('SIGTERM', _ => {
	console.log(`SIGTERM received.`);
	ports.externalStop.send(null);
});