Add lua minifier

Dockerfile

@@ -1,6 +1,6 @@
 FROM archlinux:base-devel AS builder
 
-RUN pacman -Syu npm luarocks just --noconfirm
+RUN pacman -Syu npm lua luarocks just --noconfirm
 
 # build frontend
 WORKDIR /frontend
@@ -11,6 +11,7 @@ RUN npm install && npm run build
 WORKDIR /lua
 COPY lua .
 RUN luarocks install tl && \
+    luarocks install dumbluaparser && \
     eval $(luarocks path) && \
     just build
 

lua/justfile

@@ -1,17 +1,18 @@
 default:
     @just --list
 
-lua_files := `find . -type f -name "*.lua" ! -path './out/*' ! -name tlconfig.lua -printf "%p "`
+lua_files := `find . -type f -name "*.lua" ! -path './out/*' ! -name tlconfig.lua ! -name minify.lua -printf "%p "`
 teal_files := `find . -type f -name "*.tl" ! -name '*.d.tl' -printf "%p "`
 
 build:
     mkdir -p out
     for file in {{lua_files}}; do \
-        cp $file out; \
+        lua minify.lua $file; \
     done
     for file in {{teal_files}}; do \
       tl gen $file; \
-      mv ${file%.tl}.lua out; \
+      lua minify.lua ${file%.tl}.lua; \
+      rm ${file%.tl}.lua; \
     done
 
 alias b := build

lua/minify.lua

@@ -0,0 +1,16 @@
+local args = { ... }
+local filename = args[1]
+print(('filename: "%s"'):format(filename))
+
+local parser = require("dumbParser")
+
+local tokens = parser.tokenizeFile(filename)
+local ast    = parser.parse(tokens)
+
+parser.minify(ast, true)
+
+local output = parser.toLua(ast)
+
+local f = io.open("out/"..filename, "w")
+f:write(output)
+f:close()