react-native 运行时候出现的BUG

error: bundling failed: TypeError: Cannot read property 'map' of undefined at resolveDependencies (C:\Apps\MyProject\rnw\node_modules\metro\src\DeltaBundler\traverseDependencies.js:370:18) at C:\Apps\MyProject\rnw\node_modules\metro\src\DeltaBundler\traverseDependencies.js:188:33 at Generator.next () at step (C:\Apps\MyProject\rnw\node_modules\metro\src\DeltaBundler\traverseDependencies.js:298:30) at C:\Apps\MyProject\rnw\node_modules\metro\src\DeltaBundler\traverseDependencies.js:309:15 at DELTA [android, dev] ....../index.js ▓▓░░░░░░░░░░░░░░ 14.7% (221/612), failed.

对我有效解决办法：清除 C:\Users<user>\AppData\Local\Temp 文件 这里面都是缓存文件可以直接全删除

react-native issue ：https://github.com/facebook/react-native/issues/23356