esbuild

Author: Haehnchen

TYPESCRIPT_MIGRATION.md

@@ -0,0 +1,53 @@
+import * as esbuild from 'esbuild';
+
+const isWatch = process.argv.includes('--watch');
+const isProd = process.argv.includes('--prod');
+
+const config = {
+  entryPoints: ['index.ts'],
+  bundle: true,
+  platform: 'node',
+  target: 'node22',
+  outfile: 'dist/index.js',
+  format: 'cjs',
+  sourcemap: false,
+  minify: isProd,
+  minifyWhitespace: true,
+  minifyIdentifiers: isProd, // Minify identifiers in production
+  minifySyntax: true,
+  treeShaking: true,
+  drop: isProd ? ['debugger'] : [],
+  legalComments: 'none',
+  // Native modules that can't be bundled
+  external: [
+    'better-sqlite3',
+    'talib',
+    'protobufjs',
+    'protobufjs/minimal',
+    'protobufjs/minimal.js',
+    'ts-node',
+    'ts-node/register',
+    'fsevents',
+  ],
+  define: {
+    'process.env.NODE_ENV': isProd ? '"production"' : '"development"',
+  },
+  logLevel: 'warning',
+  mainFields: ['module', 'main'],
+  conditions: ['node'],
+  ignoreAnnotations: true,
+  keepNames: true,
+  // Mark these as pure for better tree-shaking
+  pure: [
+    'console.debug',
+    'console.trace',
+  ],
+};
+
+if (isWatch) {
+  const ctx = await esbuild.context(config);
+  await ctx.watch();
+  console.log('Watching for changes...');
+} else {
+  await esbuild.build(config);
+}