create-mcp-craft/template/src/services/calculator.ts

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import { logger } from '../utils/logger.js'

export class CalculatorService {
  static add(a: number, b: number): number {
    const result = a + b
    logger.info(`🧮 Calculator: ${a} + ${b} = ${result}`)
    return result
  }

  static subtract(a: number, b: number): number {
    const result = a - b
    logger.info(`🧮 Calculator: ${a} - ${b} = ${result}`)
    return result
  }

  static multiply(a: number, b: number): number {
    const result = a * b
    logger.info(`🧮 Calculator: ${a} × ${b} = ${result}`)
    return result
  }

  static divide(a: number, b: number): number {
    if (b === 0) {
      throw new Error('Division by zero is not allowed')
    }
    const result = a / b
    logger.info(`🧮 Calculator: ${a} ÷ ${b} = ${result}`)
    return result
  }
}