Sean Larkin, one of the maintainers of Webpack, has started a video series to working with Webpack. The first course, entitled “The Core Concepts” is available for free:
One of the biggest mysteries about webpack is how it works. As one of the maintainers of webpack, Sean Larkin is going to take you down a step by step process to not only understand how webpack works, but give what he believes are The Core Concepts.
More courses will follow, but will require a subscription/fee.
The latest CSS-Tricks Screencast is also about Webpack (also featuring Sean Larkin):