我创建了一个todo应用程序,但是当我在应用程序中显示虚拟数据时,它显示了这个错误。 Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined.
You likely forgot to export your component from the file it's defined in, or you might have mixed up default
我将react-native更新为v0.57,react-native run-ios失败了。我按照babel-preset-react-native中的建议,用metro-react-native-babel-preset代替了。这是我正在获得的错误堆栈跟踪。
error: bundling failed: Error: Cannot find module 'babel-preset-react-native' from '/Users/buraktas/workspace/reactnative'
- If you want to resolve "
我有一段代码:
const actions = $('.leaflet-draw-actions a:visible').length;
这会导致许多错误:
DOMException: Failed to execute 'querySelectorAll' on 'Document': '.leaflet-draw-actions a:visible' is not a valid selector.
at Function.Sizzle [as find] (...\node_modules\jquery\dist
我一直在尝试启动我的react应用程序,面对下面的错误,我尝试了堆栈溢出中提到的步骤,
用于清除projectclearing C:\Users.gradle\caches根目录中.graddle的
但这些都不管用。运行完全在cli中,而不是在任何ide中。任何帮助都将不胜感激。
npx react-native run-android
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 896
我使用了一个名为的npm模块。它的安装没有任何错误,但当我使用它时,我收到以下消息:
module.js:355
Module._extensions[extension](this, filename);
^
Error: Module did not self-register.
at Error (native)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.re
我正在使用@react-native-community/cli ReactiveNative0.61.5,在安装了并运行了react原生运行-android之后,出现了以下问题:
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 864 file(s) to forward-jetify. Using 4 workers...
info Starting JS server...
error