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marka/playground/wasm/build.sh
2025-09-30 19:28:56 +02:00

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#!/usr/bin/env bash
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
OUT_DIR="$SCRIPT_DIR/../static"
OUT_WASM="$OUT_DIR/main.wasm"
mkdir -p "$OUT_DIR"
tinygo build -target=wasm \
-opt=z -no-debug -panic=print -gc=leaking \
-o "$OUT_WASM" "$SCRIPT_DIR"
# Optional post-process (run only if tools exist)
command -v wasm-opt >/dev/null && wasm-opt -Oz --strip-debug --strip-dwarf --strip-producers \
-o "$OUT_WASM.tmp" "$OUT_WASM" && mv "$OUT_WASM.tmp" "$OUT_WASM"
# command -v wasm-strip >/dev/null && wasm-strip "$OUT_WASM"
# command -v brotli >/dev/null && brotli -f -q 11 "$OUT_WASM" -o "$OUT_WASM.br"
# command -v gzip >/dev/null && gzip -c -9 "$OUT_WASM" > "$OUT_WASM.gz"
# Copy TinyGo runtime
cp -f "$(tinygo env TINYGOROOT)/targets/wasm_exec.js" "$OUT_DIR/wasm_exec.js"