you WOULD type a script

Makefile

@@ -16,22 +16,24 @@ MAKEPAGES := $(TMPDIR)/make-pages
 
 YAMLS != find -L $(DATADIR) -name $(INFONAME)
 
-SCRIPTS   != find script -name '*.js'
+TSCRIPTS  != find script -name '*.ts'
 STYLES    != find style -name '*.css'
 STYLESVGS != find style -name '*.svg'
 STYLEPNGS != find style -name '*.png'
 
+
 FONTS != find fonts \
   -iname '*.eot'   -or -iname '*.svg'  -or \
   -iname '*.ttf'   -or -iname '*.woff' -or \
   -iname '*.woff2' -or -iname '*.css'
 
-STATIC  = $(SCRIPTS) $(STYLES) $(STYLEPNGS) $(STYLESVGS) $(FONTS)
-BSTATIC = $(patsubst %,$(BUILDDIR)/%,$(STATIC))
+STATIC   = $(STYLES) $(STYLEPNGS) $(STYLESVGS) $(FONTS)
+BSTATIC  = $(patsubst %,$(BUILDDIR)/%,$(STATIC))
+BSCRIPTS = $(patsubst %.ts,$(BUILDDIR)/%.js,$(TSCRIPTS))
 
 .PHONY: all build
 all: build
-build: $(BUILDDIR)/index.html $(BSTATIC)
+build: $(BUILDDIR)/index.html $(BSTATIC) $(BSCRIPTS)
 
 $(BUILDDIR)/index.html: $(DATADIR)/index.yaml $(MAKEPAGES)
 	echo "[index]   "$@
@@ -46,6 +48,12 @@ $(BUILDDIR)/%: $(TMPDIR)/%
 	$(call copy,--link)
 
 
+$(TMPDIR)/%.js: %.ts
+	echo "[tsc]     "$@
+	tsc --strict --noEmitOnError \
+	    --lib dom,es2021 --target es2015 \
+	    --outDir $(dir $@) $^
+
 $(TMPDIR)/%_small.png: $(DATADIR)/%.png
 	$(call resize,$(SMALL),$(SMALL),^,-gravity center -crop 1:1+0)