2026-06-11 13:54:32 +00:00
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#!/usr/bin/env bash
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# Rebuild the vendored BLAKE3 WASM module (static/js/vendors/hash-wasm/).
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#
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# The generated artifacts ARE committed — like the other vendored modules
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# (pdf.js) — so regular frontend/backend builds never need the wasm
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# toolchain. Re-run this script only when wasm/oxicloud-hash/ changes
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# (e.g. bumping the blake3 crate, or adding FastCDC for the delta-sync
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# client) and commit the regenerated files.
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#
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# Requirements (one-time):
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# rustup target add wasm32-unknown-unknown
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# cargo install wasm-bindgen-cli --locked
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#
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# wasm-bindgen-cli's version must match the crate's `wasm-bindgen`
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# dependency; cargo prints a clear error when they drift.
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set -euo pipefail
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cd "$(dirname "$0")/.."
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CRATE=wasm/oxicloud-hash
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OUT=static/js/vendors/hash-wasm
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2026-06-15 15:53:43 +02:00
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if ! ( rustup target list --installed | grep -q wasm32-unknown-unknown )
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then
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echo -e "install first wasm32-unknown-unknown via:\n\trustup target add wasm32-unknown-unknown"
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exit 1
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fi
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if ! which wasm-bindgen >/dev/null 2>/dev/null
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then
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WASM_BINDGEN_VERSION=$(grep -A1 'name = "wasm-bindgen"' $CREATE/Cargo.lock | head -2 | grep version | sed 's/version = //')
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echo -e "wasm-bindgen not found, install it via:\n\tcargo install wasm-bindgen-cli --version $WASM_BINDGEN_VERSION"
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exit 1
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fi
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2026-06-11 13:54:32 +00:00
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# SIMD128 is baseline in every evergreen browser (Chrome 91+, Firefox 89+,
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# Safari 16.4+) and is worth ~3-4× in hashing throughput. Browsers without
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# it fail instantiation; the frontend detects that and falls back to a
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# plain byte upload.
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RUSTFLAGS="-C target-feature=+simd128" \
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cargo build \
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--manifest-path "$CRATE/Cargo.toml" \
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--target wasm32-unknown-unknown \
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--release
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wasm-bindgen \
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--target web \
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--no-typescript \
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--out-dir "$OUT" \
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"$CRATE/target/wasm32-unknown-unknown/release/oxicloud_hash_wasm.wasm"
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echo "Vendored: $(ls -la "$OUT" | tail -n +2 | awk '{print $9, "("$5" bytes)"}' | xargs)"
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