我尝试了反应路由器本地基于此link 的Match标签反应路由器V4是给我一个错误 React.createElement: type is invalid — expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You like
我想测试与酶的组成部分,我收到以下错误测试链接: Warning: Failed context type: The context `history` is marked as required in `Link`, but its value is `undefined`.
in Link (at UserTable.js:30)
in button (created
好的,我厌倦了尝试。 onEnter方法不起作用。任何想法为什么是这样? // Authentication "before" filter
function requireAuth(nextState, replace){
console.log("called"); // => Is not triggered at all
if (!isLoggedIn()) {