React-redux: Cannot read property 'state' of undefined

[hyy1115]

error

package.json

{
  "dependencies": {
    "autoprefixer": "7.1.6",
    "axios": "^0.18.0",
    "babel-core": "6.26.0",
    "babel-eslint": "7.2.3",
    "babel-jest": "20.0.3",
    "babel-loader": "7.1.2",
    "babel-plugin-transform-decorators-legacy": "^1.3.4",
    "babel-preset-react-app": "^3.1.1",
    "babel-runtime": "6.26.0",
    "case-sensitive-paths-webpack-plugin": "2.1.1",
    "chalk": "1.1.3",
    "create-portal": "^1.2.0",
    "css-loader": "0.28.7",
    "dotenv": "4.0.0",
    "dotenv-expand": "4.2.0",
    "eslint": "4.10.0",
    "eslint-config-react-app": "^2.1.0",
    "eslint-loader": "1.9.0",
    "eslint-plugin-flowtype": "2.39.1",
    "eslint-plugin-import": "2.8.0",
    "eslint-plugin-jsx-a11y": "5.1.1",
    "eslint-plugin-react": "7.4.0",
    "extract-text-webpack-plugin": "^3.0.2",
    "file-loader": "1.1.5",
    "fs-extra": "3.0.1",
    "history": "^4.7.2",
    "html-webpack-plugin": "2.29.0",
    "http-proxy-middleware": "^0.18.0",
    "jest": "20.0.4",
    "less": "^3.0.4",
    "less-loader": "^4.1.0",
    "object-assign": "4.1.1",
    "postcss-flexbugs-fixes": "3.2.0",
    "postcss-loader": "2.0.8",
    "postcss-pxtorem": "^4.0.1",
    "precss": "^3.1.2",
    "promise": "8.0.1",
    "raf": "3.4.0",
    "react": "^16.3.2",
    "react-dev-utils": "^5.0.1",
    "react-dom": "^16.3.2",
    "react-fastclick": "^3.0.2",
    "react-loadable": "^5.4.0",
    "react-redux": "5.0.7",
    "react-roll-container": "^1.0.1",
    "react-router": "^4.2.0",
    "react-router-dom": "^4.2.2",
    "react-router-redux": "^5.0.0-alpha.9",
    "redux": "4.0.0",
    "redux-devtools-extension": "^2.13.2",
    "redux-thunk": "^2.2.0",
    "resolve": "1.6.0",
    "serve": "^6.5.6",
    "style-loader": "0.19.0",
    "sw-precache-webpack-plugin": "0.11.4",
    "url-loader": "0.6.2",
    "webpack": "3.8.1",
    "webpack-dev-server": "2.9.4",
    "webpack-manifest-plugin": "1.3.2",
    "whatwg-fetch": "2.0.3"
  }
}

code

import React from 'react'
import { connect } from 'react-redux'
@connect(
  state => ({ ...state.home })
)
class Home extends React.Component {}

I didn't understand where the state was wrong. Is it a connectAdvanced bug?

[timdorr]

It's your devtools.