agency-x/src/utils/logger.ts

This project is a Claude-compatible, LLM-agnostic sub-agent framework that simulates a complete SaaS product team. It is delivered as a reusable, developer-ready NPM package.

import chalk from 'chalk';

const agentStyles = {
  productManager: chalk.bold.blue,
  frontendDeveloper: chalk.green,
  backendDeveloper: chalk.yellow.italic,
  qaEngineer: chalk.red.underline,
  documentationAgent: chalk.cyan,
  fullstackIntegrator: chalk.magenta,
  infraEngineer: chalk.gray,
  securityEngineer: chalk.yellow,
  uxDesigner: chalk.blue,
  copywriter: chalk.green,
  releaseManager: chalk.magenta.bold,
  aiPromptEngineer: chalk.blue.italic,
  dataEngineer: chalk.yellow,
  orchestratorAgent: chalk.bold.magenta,
  voiceNarratorAgent: chalk.italic.gray,
  reviewerAgent: chalk.bold.yellow,
  assumptionChallenger: chalk.bold.red,
  userEmpathyAgent: chalk.bold.green,
};

type AgentName = keyof typeof agentStyles;

const log = (agentName: AgentName, message: string) => {
  const style = agentStyles[agentName] || ((str: string) => str);
  console.log(`${style(`[${agentName}]`)}: ${message}`);
};

const spinner = ['\u280B', '\u2819', '\u2839', '\u2838', '\u283C', '\u2834', '\u2826', '\u2827', '\u2807', '\u280F'];
let interval: NodeJS.Timeout;

const startThinking = (agentName: AgentName) => {
  let i = 0;
  const thinkingMessage = `is thinking...`;
  interval = setInterval(() => {
    i = (i + 1) % spinner.length;
    process.stdout.write(`\r${agentStyles[agentName](`[${agentName}]`)}: ${spinner[i]} ${thinkingMessage}`);
  }, 100);
};

const stopThinking = () => {
  clearInterval(interval);
  process.stdout.write('\r' + ' '.repeat(50) + '\r'); // Clear the line
};

export const createLogger = (agentName: AgentName) => ({
  log: (message: string) => log(agentName, message),
  start: () => startThinking(agentName),
  stop: () => stopThinking(),
  info: (message: string) => log(agentName, chalk.white(message)),
  success: (message: string) => log(agentName, chalk.greenBright(message)),
  error: (message: string) => log(agentName, chalk.redBright(message)),
});

export const orchestratorLogger = createLogger('orchestratorAgent');