Redux异步传输示例：Reddit API，为什么会出现这个错误？

Question

项目的地址 --> 请点击这里

{
  "name": "react-router-myself",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "build": "webpack",
    "watch": "webpack --watch",
    "start": "webpack-dev-server --hot --inline"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "babel-polyfill": "^6.26.0",
    "prop-types": "^15.6.0",
    "react": "^16.0.0",
    "react-dom": "^16.0.0",
    "react-redux": "^5.0.6",
    "react-router": "^4.2.0",
    "react-router-dom": "^4.2.2",
    "redux": "^3.7.2"
  },
  "devDependencies": {
    "babel-core": "^6.26.0",
    "babel-loader": "^7.1.2",
    "babel-plugin-transform-runtime": "^6.23.0",
    "babel-preset-env": "^1.6.0",
    "babel-preset-es2015": "^6.24.1",
    "babel-preset-react": "^6.24.1",
    "babel-preset-stage-0": "^6.24.1",
    "babel-preset-stage-2": "^6.24.1",
    "css-loader": "^0.28.7",
    "express": "^4.16.1",
    "file-loader": "^1.1.4",
    "html-webpack-plugin": "^2.30.1",
    "react-hot-loader": "^1.3.1",
    "redux-devtools": "^3.4.0",
    "style-loader": "^0.18.2",
    "uglifyjs-webpack-plugin": "^0.4.6",
    "webpack": "^3.6.0",
    "webpack-dev-middleware": "^1.12.0",
    "webpack-dev-server": "^2.9.1"
  }
}

修改后

Answer 1

1.index.js里应该是import 'babel-polyfill'而不是import 'babel-core/polyfill'
2.没有配置html入口文件HtmlWebpackPlugin