diff --git a/justfile b/justfile
index 1ef63ca..c696982 100644
--- a/justfile
+++ b/justfile
@@ -1,9 +1,14 @@
 default: build
 
-compile:
-    tsc
+compile flags='':
+    tsc {{flags}}
 
-bundle:
-    esbuild js/main.js --bundle --format=esm --platform=browser --target=esnext --sourcemap=inline --outfile=static/app.mjs
+bundle flags='':
+    esbuild js/main.js --bundle --format=esm --platform=browser --target=esnext --sourcemap=inline --outfile=static/app.mjs {{flags}}
 
-build: compile bundle
\ No newline at end of file
+build:
+    just compile
+    just bundle
+
+watch:
+    concurrently "just compile --watch" "just bundle --watch"
\ No newline at end of file