dist/minified:
	mkdir -p dist/minified

UGLIFYJS := ./node_modules/.bin/uglifyjs
# $1: The file to minify
define minify
	$(shell ${UGLIFYJS} --mangle --compress -o "./dist/minified/$(notdir $1)" -- $1)
endef

node_modules:
	npm install

.PHONY: watch
watch: node_modules
	npm start

.PHONY: build
build: node_modules dist/minified
	@echo Building with parcel
	./node_modules/.bin/parcel build src/index.html

	@echo Minifying
	$(foreach file, $(wildcard dist/*.js), $(call minify, $(file)))
	$(shell ls -lah ./dist/minified)

.PHONY: watch
watch:
	npm start