8 min read
Replacing Webpack DevServer With Bun Hot Reload: 14 Lines, 3.2x Faster
Webpack DevServer ate 250MB and took 4.1s to start
The Lab · Written in the open · Tagged Bun
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
5 entries · latest 2026-06-24
Latest entry
Moved 4 scripts to Bun, kept 6 on Node after six months of real use Bun startup is 4x faster, which matters for scripts I run 200 times a day Native deps and FFI broke twice, so cron jobs stayed...
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8 min read
Webpack DevServer ate 250MB and took 4.1s to start
8 min read
I deleted 1,400 lines of bash and 23 scripts, replaced by 600 lines of Bun Shell TypeScript
12 min read
Bun's built-in test runner runs 5-15x faster than Vitest, ships zero-config snapshots and coverage. Migration in 30 minutes,…
8 min read
Why Bun 1.2 became the default runtime for 17 RAXXO projects: 3s installs, 9 fewer devDependencies, tests 8x…