/**
* Interactive Demo Interface
*
* Provides a simple command-line interface for interacting with the agent
*/
import * as readline from 'readline';
import type { AgentExecutor } from 'langchain/agents';
/**
* Run interactive demo
*/
export async function runInteractiveDemo(agent: AgentExecutor) {
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
prompt: '> ',
});
rl.prompt();
rl.on('line', async (input) => {
const trimmedInput = input.trim();
if (trimmedInput === '' || trimmedInput === 'exit' || trimmedInput === 'quit') {
console.log('\nš Goodbye!');
rl.close();
return;
}
if (trimmedInput === 'help') {
showHelp();
rl.prompt();
return;
}
try {
console.log('\nš¤ Thinking...\n');
const result = await agent.invoke({
input: trimmedInput,
});
console.log('\nāØ Response:');
console.log(result.output);
console.log('\n');
} catch (error) {
console.error('\nā Error:', error instanceof Error ? error.message : String(error));
console.log('\n');
}
rl.prompt();
});
rl.on('close', () => {
process.exit(0);
});
}
/**
* Show help message
*/
function showHelp() {
console.log('\nš Example Queries:');
console.log(' ā¢ "Search for satellite data over San Francisco from January 2024"');
console.log(' ā¢ "What would it cost to get aerial imagery of New York City?"');
console.log(' ā¢ "Order satellite data for Central Park, New York"');
console.log(' ā¢ "Check the status of order order-123"');
console.log(' ā¢ "Is it feasible to get satellite data for Tokyo from last month?"');
console.log(' ā¢ "Monitor the area around London for new satellite data"');
console.log('\nš” Tips:');
console.log(' ā¢ You can use location names (e.g., "Paris, France") - they will be geocoded automatically');
console.log(' ā¢ Be specific about dates and data types for better results');
console.log(' ā¢ Type "exit" or "quit" to exit\n');
}
