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Not seeing error overlay

See original GitHub issue

Given the following files

package.json

"devDependencies": {
    "@babel/core": "^7.0.0-beta.40",
    "@babel/preset-env": "^7.0.0-beta.40",
    "@babel/preset-react": "^7.0.0-beta.40",
    "babel-loader": "8.0.0-beta.0",
    "error-overlay-webpack-plugin": "^0.1.3",
    "html-webpack-plugin": "^3.0.6",
    "webpack": "^4.1.1",
    "webpack-cli": "^2.0.11",
    "webpack-dev-server": "^3.1.1"
  },
  "dependencies": {
    "react": "^16.2.0",
    "react-dom": "^16.2.0"
  }

webpack.config.js

const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const ErrorOverlayPlugin = require('error-overlay-webpack-plugin')

module.exports = {
    mode: 'development',
    entry: ['./src/index.js'],
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /(node_modules|bower_components)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env', '@babel/preset-react'],
                    },
                },
            },
        ],
    },
    plugins: [
        new ErrorOverlayPlugin(),

        new webpack.HotModuleReplacementPlugin(),

        new HtmlWebpackPlugin({
            template: './src/index.html',
        }),
    ],
    devServer: {
        hot: true,
        open: true,
    },
}

index.js

import React from 'react'
import ReactDOM from 'react-dom'

ReactDOM.render(
    <h1>{this.should.show.overlay}</h1>,
    document.getElementById('root'),
)

if (module.hot) module.hot.accept()

index.html

<!DOCTYPE html>
<html lang="en">
<body><div id="root"></div></body>
</html>

Running yarn webpack-dev-server

results in a console error, but no overlay

Uncaught TypeError: Cannot read property 'should' of undefined
    at eval (webpack:///./src/index.js?:9:76)
    at Object../src/index.js (http://localhost:8080/main.js:1383:1)
    at __webpack_require__ (http://localhost:8080/main.js:710:30)
    at fn (http://localhost:8080/main.js:95:20)
    at eval (webpack:///multi_./node_modules/error-overlay-webpack-plugin/lib/entry.js_(webpack)-dev-server/client?:4:18)
    at Object.0 (http://localhost:8080/main.js:1394:1)
    at __webpack_require__ (http://localhost:8080/main.js:710:30)
    at http://localhost:8080/main.js:762:37
    at http://localhost:8080/main.js:765:10