Webpacker, It-Just-Works, But How? by Justin Gordon

How does the Webpacker gem provide “it-just-works” webpack integration with Rails? That simplicity did not come easily. The rich functionality, complexity, and rapid evolution of the webpack ecosystem necessitated extension points beyond a simple Ruby config file.

Yet you need to know almost nothing about webpack to leverage the modern JavaScript ecosystem. But what if you want to extend the standard configuration? What information …