Externals defined in webpack.config still getting error module not found
问题 I have defined externals in webpack.config for material-ui module.exports = [{ entry: ... output:... externals: { react: { commonjs: "react", commonjs2: "react" }, "material-ui": { commonjs: "material-ui", commonjs2: "material-ui" } }, module: ... }]; Still its giving error like- Cannot resolve module 'material-ui/IconButton'...... In my entry js file, I have import React, {Component} from "react"; import IconButton from "material-ui/IconButton"; ..... ..... 回答1: Ok I solved it. External