rules/javascript.mk

   1 # This is free and unencumbered software released into the public
   2 # domain. To the extent possible under law, the author of this file
   3 # waives all copyright and related or neighboring rights to it.
   4
   5 $(call include-once.,programs.mk)
   6
   7 NPM ?= npm
   8 NPMROOT ?= $(CURDIR)
   9
  10 npmbindir = $(NPMROOT)/node_modules/.bin
  11 .PRECIOUS: $(npmbindir)/%
  12
  13 npmbin = $(call command-v,$1 $(npmbindir)/$1)
  14
  15 JSTEST ?= $(npmbindir)/jstest
  16 JSHINT ?= $(call npmbin,jshint)
  17
  18 uglifyjs_npm_package := uglify-js
  19
  20 UGLIFY ?= $(call npmbin,uglifyjs)
  21 UGLIFYFLAGS ?= --comments \
  22                --compress $(UGLIFYCOMPRESSFLAGS) \
  23                --mangle $(UGLIFYMANGLEFLAGS)
  24
  25 jsstampprefix ?= $(stampprefix)
  26 jsuglyprefix ?=
  27
  28 JSTESTFLAGS += $(if $(JSTESTFORMAT),--format $(JSTESTFORMAT))
  29 JSTEST_NODE_PATH ?= $(VPATH)
  30 JSTESTENV += $(if $(JSTEST_NODE_PATH),NODE_PATH=$(JSTEST_NODE_PATH))
  31 JSTESTFORMAT ?= spec
  32
  33 jshint-stampify = $(patsubst %.js,$(jsstampprefix)%.js.lint,$1)
  34 jstest-stampify = $(patsubst %.js,$(jsstampprefix)%.js.test,$1)
  35 uglify-stampify = $(patsubst %.js,$(jsuglyprefix)%.min.js,$1)
  36
  37 find-js = $(shell find $1 $(if $2,$2 -o) -type f -name '*.js' -print)
  38
  39 UGLIFY.js = $(UGLIFY) $(UGLIFYFLAGS)
  40 LINT.js = $(JSHINT) $(JSHINTFLAGS)
  41 TEST.js = $(JSTESTENV) $(JSTEST) $(JSTESTFLAGS)
  42
  43 $(jsuglyprefix)/%.min.js: %.js | $(UGLIFY)
  44         $(MKDIR) $(@D)
  45         $(UGLIFY.js) < $< > $@
  46
  47 $(jsstampprefix)%.js.lint: %.js | $(JSHINT)
  48         $(MKDIR) $(@D)
  49         $(LINT.js) $<
  50         touch $@
  51
  52 $(jsstampprefix)%.js.test: %.js | $(JSTEST)
  53         $(MKDIR) $(@D)
  54         $(call quiet,$(TEST.js) $<,$@)
  55
  56 $(npmbindir)/%:
  57         $(NPM) install $(firstword $(value $(@F)_npm_package) $(@F))