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[RN]建议npm run build:rn -- --watch时忽略cache #4695

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tourze opened this issue Oct 27, 2019 · 3 comments
Closed

[RN]建议npm run build:rn -- --watch时忽略cache #4695

tourze opened this issue Oct 27, 2019 · 3 comments
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enhancement New feature or request

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@tourze
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tourze commented Oct 27, 2019

问题描述
今日为一个rn项目接入taro-router-rn,出现一些很诡异的问题,删了node_modules重装也不行。遇到的问题有:

  1. Couldn't find preset "module:metro-react-native-babel-preset" when running jest facebook/metro#242
  2. Unexpected identifier 'str' facebook/react-native#22675

最后发现应该是rn的cache问题。我们以前习惯是使用node node_modules/react-native/local-cli/cli.js start --reset-cache来启动metro的。taro在dev:rn最好补充这个,不在意那么一点启动时间啦。。。好过找问题找个把小时

系统信息

👽 Taro v1.3.21


  Taro CLI 1.3.21 environment info:
    System:
      OS: macOS 10.14.6
      Shell: 5.3 - /bin/zsh
    Binaries:
      Node: 11.9.0 - /usr/local/bin/node
      Yarn: 1.13.0 - /usr/local/bin/yarn
      npm: 6.9.0 - /usr/local/bin/npm
    npmGlobalPackages:
      typescript: 2.4.2
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taro-bot bot commented Oct 27, 2019

欢迎提交 Issue~

如果你提交的是 bug 报告,请务必遵循 Issue 模板的规范,尽量用简洁的语言描述你的问题,最好能提供一个稳定简单的复现。🙏🙏🙏

如果你的信息提供过于模糊或不足,或者已经其他 issue 已经存在相关内容,你的 issue 有可能会被关闭。

Good luck and happy coding~

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taro-bot bot commented Oct 28, 2019

CC @Pines-Cheng

@Pines-Cheng
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RN 的 launchPackager 命令没有暴露出 clear cache 的接口,这一步还是得手动做:
node ./node_modules/react-native/local-cli/cli.js start --reset-cache

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