Convert server response into Typescript interface

interface.converter.ts

// Main function
function convertToInterface(obj) {
  const resObj = {};
  for (let key in obj) {
    if (typeof obj[key] === 'string') {
      resObj[key] = 'string';
    } else if (typeof obj[key] === 'number') {
      resObj[key] = 'number';
    } else if (typeof obj[key] === 'boolean') {
      resObj[key] = 'boolean';
    } else if (typeof obj[key] === 'string') {
      resObj[key] = 'string';
    } else if (obj[key] === null || (typeof obj[key] === 'undefined')) {
      resObj[key] = 'any';
    } else if (Array.isArray(obj[key])) {
      resObj[key] = [convertToInterface(obj[key][0])];
    } else {
      resObj[key] = convertToInterface(obj[key]);
    }
  }
  return resObj;
}

// Use case example;
const dataExample = {
	name: 'Yoda',
	age: 900,
	meta: {
	   color: 'green',
	   height: 0.7,
     isJedi: true
	}
};
JSON.stringify(convertToInterface(data));