react-native:Unhandled JS Exception: Can't find variable: require

[timi-black]

具体错误信息

Unhandled JS Exception: Can't find variable: require

http://localhost:8081/index.bundle?platform=ios&dev=true&minify=false:400:24
global code@http://localhost:8081/index.bundle?platform=ios&dev=true&minify=false:890:3

global code
    index.bundle?platform=ios&dev=true&minify=false:890:3

错误原因

react-native中不能使用 @babel/preset-env

重新启动

react-native start --reset-cache