Add a dirty preprocess

... to workaround a compatibility problem between Vite and Emscripten.

emscripten-core/emscripten#22394
vitejs/vite#18396

Author: mame

demo/build/build-sl.sh

@@ -30,3 +30,5 @@ emcc \
   -Lncurses-6.4/usr/local/lib \
   -lncurses \
   -ltinfo
+
+sh worker-options-hack.sh ../static/sl-core.js

demo/build/build-sloane.sh

@@ -10,7 +10,7 @@ fi
 
 emcc \
   -Os \
-  -D"main(k,Z)=int main(int k,char**Z)" \
+  -D"main(k,Z)=int main(k,Z)int k;" \
   -include stdio.h \
   -include math.h \
   -s EXPORT_ES6 \
@@ -22,3 +22,5 @@ emcc \
   -o ../static/sloane-core.js \
   -Wno-implicit-int \
   sloane.c
+
+sh worker-options-hack.sh ../static/sloane-core.js

demo/build/worker-options-hack.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+sed -i 's/var workerOptions=\({[^}]*}\);\(worker=new Worker(new URL("[^"]*",import\.meta\.url),\)workerOptions\()\)/\2\1\3/g' $1