fix: #607 make main execution in examples consistent

examples/agent-patterns/agents-as-tools-conditional.ts

@@ -124,9 +124,7 @@ async function main() {
   }
 }
 
-if (require.main === module) {
-  main().catch((error) => {
-    console.error('Error:', error);
-    process.exitCode = 1;
-  });
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/agent-patterns/agents-as-tools.ts

@@ -91,5 +91,6 @@ async function main() {
 }
 
 main().catch((error) => {
-  console.error('Error:', error);
+  console.error(error);
+  process.exit(1);
 });

examples/agent-patterns/deterministic.ts

@@ -81,6 +81,6 @@ async function main() {
 }
 
 main().catch((error) => {
-  console.error('Error:', error);
+  console.error(error);
   process.exit(1);
 });

examples/agent-patterns/forcing-tool-use.ts

@@ -80,23 +80,28 @@ async function main(
 }
 
 // CLI argument parsing
-if (require.main === module) {
-  const args = process.argv.slice(2);
-  let toolUseBehavior: 'default' | 'first_tool' | 'custom' = 'default';
-  const idx = args.findIndex((a) => a === '-t' || a === '--tool-use-behavior');
-  if (idx !== -1 && args[idx + 1]) {
-    const val = args[idx + 1];
-    if (val === 'default' || val === 'first_tool' || val === 'custom') {
-      toolUseBehavior = val;
-    } else {
-      console.error('Invalid tool use behavior:', val);
-      process.exit(1);
-    }
+const args = process.argv.slice(2);
+let toolUseBehavior: 'default' | 'first_tool' | 'custom' = 'default';
+const flagIndex = args.findIndex(
+  (arg) => arg === '-t' || arg === '--tool-use-behavior',
+);
+
+if (flagIndex !== -1 && args[flagIndex + 1]) {
+  const value = args[flagIndex + 1];
+  if (value === 'default' || value === 'first_tool' || value === 'custom') {
+    toolUseBehavior = value;
   } else {
-    console.log(
-      'Usage: pnpm run start:forcing-tool-use -t <default|first_tool|custom>',
-    );
+    console.error('Invalid tool use behavior:', value);
     process.exit(1);
   }
-  main(toolUseBehavior).catch(console.error);
+} else {
+  console.log(
+    'Usage: pnpm run start:forcing-tool-use -t <default|first_tool|custom>',
+  );
+  process.exit(1);
 }
+
+main(toolUseBehavior).catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/agent-patterns/human-in-the-loop-stream.ts

@@ -94,4 +94,7 @@ async function main() {
   console.log('\n\nDone');
 }
 
-main().catch(console.error);
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/agent-patterns/human-in-the-loop.ts

@@ -105,5 +105,6 @@ async function main() {
 }
 
 main().catch((error) => {
-  console.dir(error, { depth: null });
+  console.error(error);
+  process.exit(1);
 });

examples/agent-patterns/input-guardrails.ts

@@ -45,4 +45,7 @@ async function main() {
   });
 }
 
-main().catch(console.error);
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/agent-patterns/llm-as-a-judge.ts

@@ -73,6 +73,6 @@ async function main() {
 }
 
 main().catch((error) => {
-  console.error('Error:', error);
+  console.error(error);
   process.exit(1);
 });

examples/agent-patterns/output-guardrails.ts

@@ -74,4 +74,7 @@ async function main() {
   });
 }
 
-main();
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/agent-patterns/parallelization.ts

@@ -54,6 +54,6 @@ async function main() {
 }
 
 main().catch((error) => {
-  console.error('Error:', error);
+  console.error(error);
   process.exit(1);
 });

examples/agent-patterns/routing.ts

@@ -71,6 +71,6 @@ async function main() {
 }
 
 main().catch((error) => {
-  console.error('Error:', error);
+  console.error(error);
   process.exit(1);
 });

examples/agent-patterns/streamed.ts

@@ -79,4 +79,7 @@ async function main() {
   }
 }
 
-main().catch(console.error);
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/agent-patterns/streaming-guardrails.ts

@@ -62,4 +62,7 @@ async function main() {
   console.log(`\n\n${result.finalOutput}`);
 }
 
-main();
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/agent-lifecycle-example.ts

@@ -61,6 +61,7 @@ async function main() {
   console.log(result.finalOutput);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/chat.ts

@@ -60,4 +60,7 @@ async function main() {
   });
 }
 
-main().catch(console.error);
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/conversations.ts

@@ -61,6 +61,8 @@ async function main() {
     }
   }
 }
-if (require.main === module) {
-  main().catch(console.error);
-}
+
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/dynamic-system-prompt.ts

@@ -38,6 +38,7 @@ async function main() {
   console.log(`Assistant: ${result.finalOutput}`);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/hello-world-gpt-5.ts

@@ -63,6 +63,7 @@ async function main() {
   // console.log(completionsResult2.finalOutput);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/hello-world-gpt-oss.ts

@@ -40,6 +40,7 @@ async function main() {
   // console.log(result.finalOutput);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/hello-world.ts

@@ -17,6 +17,7 @@ async function main() {
   // Endless by design.
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/index.ts

@@ -36,4 +36,7 @@ async function main() {
   console.log(result.finalOutput);
 }
 
-main();
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/json-schema-output-type.ts

@@ -24,4 +24,7 @@ async function main() {
   // { city: 'London', forecast: '...'}
 }
 
-main().catch(console.error);
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/lifecycle-example.ts

@@ -89,6 +89,7 @@ async function main() {
   console.log(result.finalOutput);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/local-file.ts

@@ -42,6 +42,7 @@ async function main() {
   // OpenAI o3 and OpenAI o4-mini combine state-of-the-art reasoning with full tool capabilities — web browsing, Python, image and file analysis, image generation, canvas, automations, file search, and memory.
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/local-image.ts

@@ -39,6 +39,7 @@ async function main() {
   // This image shows a large American bison standing on a grassy hill. The bison has a shaggy brown coat, with parts of its fur shedding, and prominent curved horns. The background is mostly a light, overcast sky, which makes the bison stand out prominently in the image. There is green grass and some small wild plants in the foreground. The overall scene appears natural and serene, likely in a prairie or grassland environment.
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/previous-response-id.ts

@@ -1,6 +1,6 @@
 import { Agent, run } from '@openai/agents';
 
-async function main() {
+async function runBasic() {
   const agent = new Agent({
     name: 'Assistant',
     instructions: 'You are a helpful assistant. be VERY concise.',
@@ -18,7 +18,7 @@ async function main() {
   console.log(result.finalOutput); // e.g., Brasilia
 }
 
-async function mainStream() {
+async function runStream() {
   const agent = new Agent({
     name: 'Assistant',
     instructions: 'You are a helpful assistant. be VERY concise.',
@@ -54,7 +54,7 @@ async function mainStream() {
   console.log();
 }
 
-async function promptAndRun() {
+async function main() {
   const readline = await import('node:readline/promises');
   const rl = readline.createInterface({
     input: process.stdin,
@@ -63,12 +63,13 @@ async function promptAndRun() {
   const isStream = await rl.question('Run in stream mode? (y/n): ');
   rl.close();
   if (isStream.trim().toLowerCase() === 'y') {
-    await mainStream();
+    await runStream();
   } else {
-    await main();
+    await runBasic();
   }
 }
 
-if (require.main === module) {
-  promptAndRun().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/prompt-id.ts

@@ -13,6 +13,7 @@ async function main() {
   console.log(result.finalOutput);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/remote-image.ts

@@ -32,6 +32,7 @@ async function main() {
   // This image shows the Golden Gate Bridge, a famous suspension bridge located in San Francisco, California. The bridge is painted in its signature "International Orange" color and spans the Golden Gate Strait, connecting San Francisco to Marin County. The photo is taken during daylight, with the city and hills visible in the background and water beneath the bridge. The bridge is an iconic landmark and a symbol of San Francisco.
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/remote-pdf.ts

@@ -22,6 +22,7 @@ async function main() {
   console.log(result.finalOutput);
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/stream-items.ts

@@ -61,6 +61,7 @@ async function main() {
   //   === Run complete ===
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/stream-text.ts

@@ -15,6 +15,7 @@ async function main() {
   console.log();
 }
 
-if (require.main === module) {
-  main().catch(console.error);
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/tool-use-behavior.ts

@@ -67,4 +67,7 @@ async function main() {
   console.log(finalOutput3);
 }
 
-main();
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});

examples/basic/tools.ts

@@ -32,6 +32,7 @@ async function main() {
   // The weather in Tokyo is sunny with some wind, and the temperature ranges between 14°C and 20°C.
 }
 
-if (require.main === module) {
-  main();
-}
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});