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[Makefile] Online Concatenate and Compress JavaScript Files

 2 years ago
source link: http://siongui.github.io/2016/12/26/makefile-online-concatenate-and-minify-js-files/
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[Makefile] Online Concatenate and Compress JavaScript Files

December 26, 2016

Concatenate and minify/compress JavaScript files via Makefile, curl, and online Google Closure Compiler.

Put this Makefile and js files in the same directory and then type make. After finish, the minified/compressed js file will be named app.min.js in the same directory.

Makefile | repository | view raw 

SOURCE_JS_FILES=$(filter-out %.min.js, $(wildcard *.js))
CONCAT_JS=/tmp/tmp.js
MINIFIED_JS=app.min.js

minjs: concat
	curl \
	-d compilation_level=SIMPLE_OPTIMIZATIONS \
	-d language=ECMASCRIPT5 \
	-d output_format=text \
	-d output_info=compiled_code \
	--data-urlencode "js_code@$(CONCAT_JS)" \
	https://closure-compiler.appspot.com/compile \
	> $(MINIFIED_JS)

concat:
	@cat $(SOURCE_JS_FILES) > $(CONCAT_JS)

Tested on: Ubuntu Linux 16.10.

References:

[1][Bash] Online Concatenate and Compress JavaScript Files

[2][Makefile] Concetenate and Minify CSS via sed and tr Command


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