Install

yarn

See it in action

yarn test

I'm lazy, how do I investigate why it breaks ?

GENERATE_HEAP_DUMP=true HEAPDUMP_INTERVAL=3000 yarn test

Then load the heapdumps in chrome dev tools and you can compare them

Tweaks

Edit the max_old_space_size in package.json to have more or less time before the out of memory.

Where can I help

webpack/webpack#6929