redux merge array of objects
const oldBooks = booksData.filter(book => !newData.some(newBook => newBook.code === book.code));
return oldBooks.concat(newData);
Are there any code examples left?
New code examples in category Javascript
const oldBooks = booksData.filter(book => !newData.some(newBook => newBook.code === book.code));
return oldBooks.concat(newData);