Question

我刚刚从RN 0.55.4升级到0.59.3 .....现在我收到以下错误消息：

错误：无法从..... node_modules \ react-native \ Libraries \ Utilities \ HMRClient.js解析模块Metro / src / lib / bundle-modules / HMRClient：模块Metro / src / lib / bundle-modules / HMRClient在快捷模块映射中不存在

HMRClient.js文件确实包含以下require语句：const MetroHMRClient = require('metro/src/lib/bundle-modules/HMRClient'); .....而且我在任何地方都看不到以“ metro”开头的路径，所以我想我需要以某种方式添加它。还有另一条require语句，如下：const invariant = require('invariant'); .....也没有文件名“ invariant”。

Facebook表示此问题已在0.53.0主版本中修复，但看起来像 https://github.com/facebook/react-native/issues/17742

下面是我的package.json

{
  "name": "xs",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest",
    "flow": "flow",
    "flow start": "flow start",
    "flow stop": "flow stop",
    "flow status": "flow status",
    "flow coverage": "flow coverage"
  },
  "dependencies": {
    "firebase": "^5.11.1",
    "flow": "^0.2.3",
    "flow-bin": "^0.65.0",
    "prop-types": "^15.6.1",
    "react": "16.8.3",
    "react-native": "0.59.3",
    "react-native-elements": "^0.19.0",
    "react-native-google-places-autocomplete": "^1.3.9",
    "react-native-maps": "git://github.com/react-native-community/react-native-maps.git#master",
    "react-native-switch": "^1.4.0",
    "react-native-vector-icons": "^4.5.0",
    "react-navigation": "^2.5.5",
    "react-redux": "^5.1.0",
    "redux": "^4.0.1",
    "redux-thunk": "^2.3.0"
  },
  "devDependencies": {
    "babel-eslint": "^8.2.6",
    "babel-preset-flow": "^6.23.0",
    "eslint": "^4.9.0",
    "eslint-config-airbnb": "^16.1.0",
    "eslint-plugin-import": "^2.17.3",
    "eslint-plugin-jsx-a11y": "^6.2.1",
    "eslint-plugin-react": "^7.13.0",
    "prettier-eslint": "^8.8.2",
    "@babel/core": "^7.4.3",
    "@babel/runtime": "^7.4.3",
    "babel-jest": "^24.7.1",
    "jest": "^24.7.1",
    "metro-react-native-babel-preset": "^0.53.1",
    "react-test-renderer": "16.8.3"
  },
  "jest": {
    "preset": "react-native"
  }
}

请帮助！

p.s。以下建议不起作用

要解决此问题，请尝试以下操作： 1.清除值班员手表：watchman watch-del-all。 2.删除node_modules文件夹：rm -rf node_modules && npm install。 3.重置Metro Bundler缓存：rm -rf /tmp/metro-bundler-cache-*或npm start -- --reset-cache。 4.删除急速缓存：rm -rf /tmp/haste-map-react-native-packager-*。

Answer 1

运行npm install时请注意是否需要特定版本的东西。

首先检查babel的配置文件，然后如果不起作用，请尝试在package.json中进行更改。

尝试如下配置文件和部署。这是一个对我有用的配置，可以将其从0.54更新到0.59.5：

package.json：

  " dependencies": {
         "react": "16.8.3",
         "react-native": "0.59.5",
         // ...
  },

  "devDependencies": {
    "@babel/core": "^7.0.0-0",
    "babel-core": "^7.0.0-bridge.0",
    "metro-react-native-babel-preset": "0.53.0",
    "react-test-renderer": "16.6.3",
    // ...
  }

babel.config.js：

module.exports = {
  presets: ['module:metro-react-native-babel-preset'],
};

.babelrc：

{
  "presets": ["module:metro-react-native-babel-preset"]
}

我可以在RN发行说明中找到有关babel和Metro更改的唯一有用信息，位于[0.57]：

https://github.com/react-native-community/releases/blob/master/CHANGELOG.md

更新说明：

尝试将配置文件作为新的工作项目（使用0.59.9创建）中的配置文件尝试将其从0.54更新到0.59无效

babel.config.js：

module.exports = {
  presets: ['module:metro-react-native-babel-preset'],
};

metro.config.js：

module.exports = {
  transformer: {
    getTransformOptions: async () => ({
      transform: {
        experimentalImportSupport: false,
        inlineRequires: false,
      },
    }),
  },
};

，没有.babelrc文件。

package.json：

"devDependencies": {
    "@babel/core": "^7.4.5",
    "@babel/runtime": "^7.4.5",
    "metro-react-native-babel-preset": "^0.54.1",
  },

无法解析模块`metro / src / lib / bundle-modules / HMRClient`

1 个答案: