initial version with basic event utils.

build.js

@@ -0,0 +1,26 @@
+#!/usr/bin/env node
+
+const esbuild = require('esbuild')
+const alias = require('esbuild-plugin-alias')
+const nodeGlobals = require('@esbuild-plugins/node-globals-polyfill').default
+
+const prod = process.argv.indexOf('prod') !== -1
+
+esbuild
+  .build({
+    bundle: true,
+    entryPoints: ['app.jsx'],
+    outdir: 'public',
+    plugins: [
+      alias({
+        stream: require.resolve('readable-stream')
+      }),
+      nodeGlobals({buffer: true})
+    ],
+    sourcemap: prod ? false : 'inline',
+    define: {
+      window: 'self',
+      global: 'self'
+    }
+  })
+  .then(() => console.log('build success.'))