method-logger.ts

function addLoggingToMethods(classInstance: any) {
  const originalMethods = {};

  // Store references to the original methods
  for (const key of Object.getOwnPropertyNames(classInstance.prototype)) {
    const method = classInstance.prototype[key];
    if (typeof method === 'function') {
      originalMethods[key] = method;
    }
  }

  // Create a counter to keep track of the method call order
  let methodCallCount = 0;

  // Modify the methods to include logging
  for (const key of Object.getOwnPropertyNames(classInstance.prototype)) {
    const method = classInstance.prototype[key];
    if (typeof method === 'function') {
      classInstance.prototype[key] = function (...args: any[]) {
        methodCallCount++;
        console.log(`Call ${methodCallCount}: ${key} - Args: `, args);
        return originalMethods[key].apply(this, args);
      };
    }
  }
}

// Example usage:
class ExampleClass {
  constructor() {
    // Initialize your class here
  }

  method1(arg1: any, arg2: any) {
    // Your method logic here
  }

  method2(arg1: any) {
    // Your method logic here
  }

  // Add more methods as needed
}

// Apply logging to the methods of ExampleClass
addLoggingToMethods(ExampleClass);

const exampleInstance = new ExampleClass();
exampleInstance.method1("Hello", 42);
exampleInstance.method2("World");