Makefile for compiling Elm modules

Makefile

MODULES = src/Main.elm # add more if needed...
TARGET_JS = elm.js
TARGET_JS_MIN = elm.min.js
ELM = elm
ELM_FLAGS = --optimize
UGLIFY = uglifyjs
UGLIFY_ELM_FLAGS = 'pure_funcs="F2,F3,F4,F5,F6,F7,F8,F9,A2,A3,A4,A5,A6,A7,A8,A9",pure_getters,keep_fargs=false,unsafe_comps,unsafe'

main: \
	$(TARGET_JS_MIN)

$(TARGET_JS): $(MODULES)
	$(ELM) make $(ELM_FLAGS) $(MODULES) --output=$(TARGET_JS)

$(TARGET_JS_MIN): $(TARGET_JS)
	$(UGLIFY) $(TARGET_JS) --compress $(UGLIFY_ELM_FLAGS) | $(UGLIFY) --mangle --output=$(TARGET_JS_MIN)

.PHONY: clean
clean:
	rm -f $(TARGET_JS) $(TARGET_JS_MIN)