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Merge PR #460

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Brandon Thomas committed 2026-10-09 09:25:59 -04:00
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docs/web.md
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@@ -52,13 +52,14 @@ codecs) at opt-level 3 and the rest (egui, eframe, serde, glue) at "s". What goe
is the brotli column: 3.1 MB, 11 % less than the old build's brotli size and 41 % less than its
gzip size (5.25 MB). `wasm-opt -Oz`, when installed, shrinks it further.
**Fonts.** The browser has no system fonts to fall back on, so Japanese text comes from
**Fonts.** The browser has no system fonts to fall back on, so CJK text comes from
[craft-fonts](https://github.com/storytold/craft-fonts), the optional `CRAFT_FONTS_DIR` build
input (`CRAFT_FONTS_DIR=../craft-fonts cargo xtask web`; release builds always set it). On wasm32
`crates/engine/build.rs` embeds only BIZ UDPGothic Regular (UI, and the watermark fallback), so
the module stays well under Cloudflare's 25 MiB per-file limit: measured 2026-10-06, 17.1 MB
without craft-fonts and 21.8 MB with it (brotli 3.8 MB / 6.3 MB). Without it the web build
works, but Japanese text has no glyphs.
`crates/engine/build.rs` embeds only BIZ UDPGothic Regular (UI and watermark fallback). The web
bundle also ships Noto Sans CJK SC Regular as `lightcraft_zh_hans.otf` and loads it before the UI
starts. Keeping the 16 MB Chinese face separate leaves the module under Cloudflare's 25 MiB
per-file limit (the older Japanese-only module measured 21.8 MB). Without `CRAFT_FONTS_DIR`, the
web build still works, but Chinese and Japanese text lack glyphs.
## Deploying: headers