Webpack with an array provided as config

Question

In this webpack starter kit https://github.com/webpack/react-starter I see the webpack.production.config.js module does not export only a config object but an array of config ob

Answer 1

Passing an array enables Webpack's multi-compiler mode. It's just a way to run Webpack multiple times in one pass. For instance, if you're making a Chrome & Firefox extension, you could use the multi-compiler to create both at once.

Webpack Multi-compiler example using mobile/desktop bundles.