Throw error when launch 'npm run docz:dev'

[zhuweileo]

Bug Report

Describe the bug
As the picture below，when I run npm run docz:dev ，it will thorw error。

package.json

{
  "name": "react-component",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "build": "rm -rf dist&&cross-env NODE_ENV=production webpack --config webpack.config.js",
    "demo:dev": "webpack-dev-server --mode=development --config webpack.demo.config.js",
    "demo:build": "rm -rf dist&&cross-env NODE_ENV=production npx webpack --config webpack.config.js",
    "docz:dev": "docz dev",
    "docz:build": "docz build"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/zhuweileo/react-component.git"
  },
  "author": "",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/zhuweileo/react-component/issues"
  },
  "homepage": "https://github.com/zhuweileo/react-component#readme",
  "devDependencies": {
    "@babel/core": "^7.2.2",
    "@babel/preset-env": "^7.3.1",
    "@babel/preset-react": "^7.0.0",
    "autoprefixer": "^9.4.7",
    "babel-loader": "^8.0.5",
    "cross-env": "^5.2.0",
    "css-loader": "^2.1.0",
    "docz": "^0.13.7",
    "docz-theme-default": "^0.13.7",
    "html-webpack-plugin": "^3.2.0",
    "mini-css-extract-plugin": "^0.5.0",
    "node-sass": "^4.11.0",
    "postcss-loader": "^3.0.0",
    "react-hot-loader": "^4.6.4",
    "sass-loader": "^7.1.0",
    "style-loader": "^0.23.1",
    "webpack": "^4.29.0",
    "webpack-cli": "^3.2.1",
    "webpack-dev-server": "^3.1.14",
    "webpack-merge": "^4.2.1"
  },
  "dependencies": {
    "prop-types": "^15.6.2",
    "react": "^16.7.0",
    "react-dom": "^16.7.0"
  }
}

Environment

• OS: [Windows 10]
• Node/npm version: [v10.13.0]

[swyxio]

did you check this? #596

[zhuweileo]

Thanks a lot and hope fyi pedro get well soon. @sw-yx