反应 Typescript：Ant 设计警报未呈现

Question

I have an Array messages and try to render different Alert if the Status is true but it dont render in the Browser. Console.log(message) has shown that the message is not empty.

return (
   <Space direction="vertical" >
      {messages.map(item => {
         item.status ?
            <Alert
               message={item.title}
               description={item.statusMessage}
               type="success"
               showIcon
            /> :
            <Alert
               message={item.title}
               description={item.statusMessage}
               type="error"
               showIcon
            />
      })}
   </Space>
);

Answer 1

Please bear in mind that this map() function will not return anything, because its content is in curly brackets {} and not parentheses () . You could also use return item.status? ... return item.status? ... .