TypeError: Cannot read property ‘compilation’ of undefined 错误。
(It should emphasize the use of the installation environment must -save-dev or -save, or tears ah)
Obviously, this is the version number of the package corresponding node is not on the issue. . .
View package.jsonn in the webpack version number found in version 3.6.0, but optimize-css-assets-webpack-plugin version is 2.0.
Solution:
npm install [email protected] will timize-css-assets-webpack-plugin version replaced