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ssh://git.janware.com/srv/git/janware/proj/jw-pkg
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28 lines
1.2 KiB
Makefile
28 lines
1.2 KiB
Makefile
JAVA ?= /usr/bin/java
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JS_MINIFY_FILTER_IN ?= sed 's/console\.[a-z]\+([^)]\+) *;//g'
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JS_LOCAL ?= $(wildcard *.js)
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JS_SRC ?= $(filter-out %.min.js,$(JS_LOCAL))
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JS_GENERATED ?= $(patsubst %.js,%.min.js,$(JS_SRC))
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JS_EXTRA_EXTERNS ?=
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JS_EXTERNS_DIRS ?= /opt/closure-compiler/share/externs
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JS_EXTERNS ?= $(sort $(JS_EXTRA_EXTERNS) jquery-3.3.js)
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JS_EXTERN_PATHS ?= $(wildcard $(foreach d,$(JS_EXTERNS_DIRS),$(addprefix $d/,$(JS_EXTERNS))))
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JS_MINIFY_OPTS ?= $(addprefix --externs ,$(JS_EXTERN_PATHS)) --compilation_level ADVANCED --strict_mode_input
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JS_MINIFY_EXE ?= $(JAVA) -jar /usr/share/java/closure-compiler.jar
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JS_MINIFY ?= $(JS_MINIFY_EXE) $(JS_MINIFY_OPTS)
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# This is not nice. It requires install-files to be included from elsewhere,
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# which is not obvious. OTOH, if it isn't, SOURCE_FILES doesn't do any harm,
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# either.
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SOURCE_FILES += $(JS_GENERATED)
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all: $(JS_GENERATED)
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clean: minify.clean
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%.min.js: %.js
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cat $< | $(JS_MINIFY_FILTER_IN) > $@.filtered
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$(JS_MINIFY) $@.filtered > $@.tmp
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mv $@.tmp $@
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minify.clean:
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rm -f $(JS_GENERATED) *.tmp *.filtered
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