add bundler stuff

go/bundler/build.go

@@ -27,17 +27,17 @@ import (
 	"time"
 )
 
-const frontendDir = "frontend"
-const outputDir = "wwwroot"
-
 type bundleStats struct {
 	files int
 	bytes int
 }
 
 // Build runs the full one-shot build: FA icon subset, public-route generation,
-// the JS/CSS bundles, and the SSR bake, printing a stats summary.
-func Build() error {
+// the JS/CSS bundles, and the SSR bake, printing a stats summary. c selects the
+// app + kjol web trees (see Config); zero-value fields fall back to the
+// single-tree defaults.
+func Build(c Config) error {
+	Configure(c)
 	// esbuild silently resolves a `.js` import to a sibling `.ts`/`.tsx`/`.jsx`,
 	// which lets misnamed specifiers slip through. Catch them up front so the
 	// import path always names the file that actually exists on disk.