Under the hood
Useful2 Signal2
The diagram library no longer counts against published bundle size accounting.
What's wrong with this entry?
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What
The publish size accounting no longer tracks a diagram-runtime slot, leaving only the syntax-highlighting runtime, and the injected diagram script exits at once when the library is absent.
Evidence
if(typeof mermaid==='undefined')return;
Strings lifted out of the shipped bundle, so the claim above can be checked against them.