remap.ts

/**
 * Пример использования:
 *
 * const source = {
 *   name: 'Test',
 *   last_name: 'Test',
 *   phone: '123456789'
 * };
 * 
 * const dist = {
 *   name: '',
 *   lastName: ''
 * };
 * 
 * const mapping = {
 *   last_name: 'lastName'
 * }
 * 
 * const result = remap(source, dist, mapping); // { name: 'Test', lastName: 'Test', phone: '123456789' }
 *
 */
export default function remap(source: any, dest: any, mapping: any): any {
    const result = {};
	const sourceCopy = { ...source };
	const destCopy = { ...dest };

    Object.keys(destCopy).forEach((key) => {
        result[key] = destCopy[key];
    });

    Object.keys(sourceCopy).forEach((key) => {
		if (key in mapping) {
        	result[mapping[key]] = sourceCopy[key];
		} else {
        	result[key] = sourceCopy[key];
		}
    });

    return result;
}