wip

playground/wasm/build.sh

@@ -0,0 +1,21 @@
+#!/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=trap -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"