neu-forge/src/lib/filewatcher.js

A Tool for developing neutralinojs applications

// FileWatcher Reloads The App When Detects Changes

const fs = require('fs');
const chokidar = require('chokidar');
const websocket = require('./websocket.js');
const config = require('./config.js');

let fileWatcher = null;

module.exports.start = () => {
	startFileWatcher();
}

module.exports.stop = () => {
	if (fileWatcher)
		fileWatcher.close();
}

function startFileWatcher() {
	let configObj = config.get();
	let resourcesDir = configObj.cli.resourcesPath?.replace(/^\//, '');

	if (!fs.existsSync(resourcesDir))
		return;

	let exclude = [
		'(^|[\\/\\\\])\\..', // dot files
		'node_modules.*',
		'^bin.*',
		'.*.log$'
	];

	if(configObj?.cli?.autoReloadExclude) {
		exclude.push(configObj.cli.autoReloadExclude);
	}

	let watcherOptions = {
		ignoreInitial: true,
		ignored: new RegExp(exclude.join('|'))
	};

	fileWatcher = chokidar.watch(resourcesDir, watcherOptions)
		.on('all', (event, path) => {
			if(['unlink', 'unlinkDir'].includes(event))
				return;

			websocket.dispatch('neuDev_reloadApp'); // Send Message To Reload the Application
		});
}