反应-本机错误:模块映射中不存在模块

Question

这是一个错误：

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我已经尝试了所有的东西，在吉特布问题，在错误描述和this question，但没有任何效果。

这是我的package.json：

{
  "name": "MyAppName",
  "version": "0.1.0",
  "private": true,
  "devDependencies": {
    "jest-expo": "^24.0.0",
    "react-native-scripts": "1.8.1",
    "react-test-renderer": "16.2.0"
  },
  "main": "./node_modules/react-native-scripts/build/bin/crna-entry.js",
  "scripts": {
    "start": "react-native-scripts start",
    "eject": "react-native-scripts eject",
    "android": "react-native-scripts android",
    "ios": "react-native-scripts ios",
    "test": "node node_modules/jest/bin/jest.js --watch"
  },
  "jest": {
    "preset": "jest-expo"
  },
  "dependencies": {
    "core-js": "^2.5.3",
    "expo": "^24.0.2",
    "react": "^16.2.0",
    "react-native": "^0.51.0",
    "react-native-awesome-alerts": "^1.0.3",
    "react-native-barcode-builder": "^1.0.2",
    "react-native-communications": "^2.2.1",
    "react-native-hyperlink": "^0.0.11",
    "react-native-image-pan-zoom": "^2.0.16",
    "react-native-image-zoom-viewer": "^2.0.18",
    "react-native-open-maps": "^0.1.1",
    "react-native-swiper": "^1.5.13",
    "react-native-vector-icons": "^4.4.2",
    "react-navigation": "^1.0.0-beta.22",
    "rn-viewpager": "^1.2.9"
  }
}

对于任何未来的观众来说:这是一个依赖问题。如果使用版本控制，请将旧的依赖项复制到当前的package.json中。

Answer 1

这是一个依赖问题。如果使用版本控制，请将旧的依赖项复制到当前的package.json中。

我不知道出了什么问题，所以我简单地从GitHub中重新克隆了我的项目，并复制了我的代码。

Answer 2

移动到您的项目文件夹：

1. rm -rf node_modules
2. npm安装
3. 在package.json内部。检查是否所有模块都存在。
4. 反应-本机启动-重置-缓存

Answer 3

对我来说，只将npm的评级从6.1.0降至6.0.0助推：npm i -g npm@6.0.0