🚨 TypeError: Class extends value undefined is not a constructor or null #3
Description
Description
Not really sure what's going on, but the aforementioned error was thrown on my machine when including the plugin, i.e. const MiniCssExtractPlugin = require('mini-css-extract-plugin');.
Error Message & Stack Trace
TypeError: Class extends value undefined is not a constructor or null
at Object.<anonymous> (/Users/glenn/github/minimalistic-devserver/node_modules/mini-css-extract-plugin/dist/index.js:30:47)
at Module._compile (/Users/glenn/github/minimalistic-devserver/node_modules/v8-compile-cache/v8-compile-cache.js:178:30)
at Object.Module._extensions..js (module.js:673:10)
at Module.load (module.js:575:32)
at tryModuleLoad (module.js:515:12)
at Function.Module._load (module.js:507:3)
at Module.require (module.js:606:17)
at require (/Users/glenn/github/minimalistic-devserver/node_modules/v8-compile-cache/v8-compile-cache.js:159:20)
at Object.<anonymous> (/Users/glenn/github/minimalistic-devserver/node_modules/mini-css-extract-plugin/dist/cjs.js:3:18)
at Module._compile (/Users/glenn/github/minimalistic-devserver/node_modules/v8-compile-cache/v8-compile-cache.js:178:30)
at Object.Module._extensions..js (module.js:673:10)
at Module.load (module.js:575:32)
at tryModuleLoad (module.js:515:12)
at Function.Module._load (module.js:507:3)
at Module.require (module.js:606:17)
at require (/Users/glenn/github/minimalistic-devserver/node_modules/v8-compile-cache/v8-compile-cache.js:159:20)
at Object.<anonymous> (/Users/glenn/github/minimalistic-devserver/webpack.config.js:8:30)
at Module._compile (/Users/glenn/github/minimalistic-devserver/node_modules/v8-compile-cache/v8-compile-cache.js:178:30)
at Object.Module._extensions..js (module.js:673:10)
at Module.load (module.js:575:32)
at tryModuleLoad (module.js:515:12)
at Function.Module._load (module.js:507:3)
at Module.require (module.js:606:17)
at require (/Users/glenn/github/minimalistic-devserver/node_modules/v8-compile-cache/v8-compile-cache.js:159:20)
at WEBPACK_OPTIONS (/Users/glenn/github/minimalistic-devserver/node_modules/webpack-cli/bin/convert-argv.js:133:13)
at requireConfig (/Users/glenn/github/minimalistic-devserver/node_modules/webpack-cli/bin/convert-argv.js:135:6)
at /Users/glenn/github/minimalistic-devserver/node_modules/webpack-cli/bin/convert-argv.js:142:17
at Array.forEach (<anonymous>)
at module.exports (/Users/glenn/github/minimalistic-devserver/node_modules/webpack-cli/bin/convert-argv.js:140:15)
at yargs.parse (/Users/glenn/github/minimalistic-devserver/node_modules/webpack-cli/bin/webpack.js:234:39)
Config
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
module.exports = env => ({});Environment
Node.js v8.9.0
darwin 15.6.0
npm v5.5.1
webpack 4.0.1
mini-css-extract-plugin 0.1.0