Rolldown ships agent-facing report mode that trimmed Framer's bundle by 1.2MB
cnakazawa · x · 2026-11-13
The Rolldown team shipped a new devtools: { mode: 'report' } mode designed for coding agents, letting them see what goes into each chunk and what could be moved to lazy chunks.
Using it, the author had an agent hill-climb on Framer's bundle for a 1.2MB reduction: removing Chat Markdown deps (Streamdown/Marked/Talata, -343KB), a duplicate Acorn copy plus Esprima (-255KB), YAML's 72 modules (-102KB), and others — about 1228KB parsed JS / 266.5KB brotli in total.
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