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react-native:Unhandled JS Exception: Can't find variable: require #6

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wutianmei opened this issue Aug 17, 2019 · 0 comments
Open

react-native:Unhandled JS Exception: Can't find variable: require #6

wutianmei opened this issue Aug 17, 2019 · 0 comments

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@wutianmei
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wutianmei commented Aug 17, 2019 •
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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
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