chore: create esbuild bundle

Ref: 3473

.gitignore

@@ -84,4 +84,6 @@ typings/
 !.yarn/sdks
 !.yarn/versions
 
-fakeNodes.json
+fakeNodes.json
+
+/build/

api/lib/ZwaveClient.ts

@@ -4400,7 +4400,7 @@ class ZwaveClient extends TypedEventEmitter<ZwaveClientEventCallbacks> {
 				controllerNode.statistics as ControllerStatistics
 			controllerNode.statistics = stats
 
-			if (stats.messagesRX > oldStatistics?.messagesRX ?? 0) {
+			if (stats.messagesRX > (oldStatistics?.messagesRX ?? 0)) {
 				// no need to emit `lastActive` event. That would cause useless traffic
 				controllerNode.lastActive = Date.now()
 			}

esbuild.js

@@ -0,0 +1,79 @@
+const esbuild = require('esbuild')
+const { cp } = require('fs/promises')
+const pkgJson = require('./package.json')
+const { exists, removeSync } = require('fs-extra')
+
+const outputDir = 'build'
+
+// from https://github.com/evanw/esbuild/issues/1051#issuecomment-806325487
+const nativeNodeModulesPlugin = {
+	name: 'native-node-modules',
+	setup(build) {
+		// If a ".node" file is imported within a module in the "file" namespace, resolve
+		// it to an absolute path and put it into the "node-file" virtual namespace.
+		build.onResolve({ filter: /\.node$/, namespace: 'file' }, (args) => ({
+			path: require.resolve(args.path, { paths: [args.resolveDir] }),
+			namespace: 'node-file',
+		}))
+
+		// Files in the "node-file" virtual namespace call "require()" on the
+		// path from esbuild of the ".node" file in the output directory.
+		build.onLoad({ filter: /.*/, namespace: 'node-file' }, (args) => ({
+			contents: `
+          import path from ${JSON.stringify(args.path)}
+          try { module.exports = require(path) }
+          catch {}
+        `,
+		}))
+
+		// If a ".node" file is imported within a module in the "node-file" namespace, put
+		// it in the "file" namespace where esbuild's default loading behavior will handle
+		// it. It is already an absolute path since we resolved it to one above.
+		build.onResolve(
+			{ filter: /\.node$/, namespace: 'node-file' },
+			(args) => ({
+				path: args.path,
+				namespace: 'file',
+			}),
+		)
+
+		// Tell esbuild's default loading behavior to use the "file" loader for
+		// these ".node" files.
+		let opts = build.initialOptions
+		opts.loader = opts.loader || {}
+		opts.loader['.node'] = 'file'
+	},
+}
+
+// clean build folder
+removeSync(outputDir)
+
+esbuild
+	.build({
+		entryPoints: ['api/bin/www.ts'],
+		plugins: [nativeNodeModulesPlugin],
+		bundle: true,
+
+		platform: 'node',
+		target: 'node18',
+		outfile: `${outputDir}/code/index.js`,
+		external: ['serialport'],
+	})
+	.then(async () => {
+		// copy assets to build folder
+		for (let asset of pkgJson.pkg.assets) {
+			console.log(`copying ${asset} to ${outputDir} folder`)
+			// resolve glob assets
+			asset = asset.replace('/**/*', '').replace('/**', '')
+
+			if (await exists(asset)) {
+				await cp(asset, `${outputDir}/${asset}`, { recursive: true })
+			} else {
+				console.log(`asset ${asset} does not exist`)
+			}
+		}
+	})
+	.catch((err) => {
+		console.error(err)
+		process.exit(1)
+	})