81 lines
1.8 KiB
Bash
Executable File
81 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# A development tool that use yuicompressor to compress JS files.
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#
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#
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# Requirement:
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# - wget
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# - JRE
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# - yuicompressor › https://github.com/yui/yuicompressor
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#
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#
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# Usage: bash /path/to/js-compress.sh
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#
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# Process:
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# input: /path/to/js/source.js --> output: /path/to/js/dist/source.min.js
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#
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# v2.0
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# https://github.com/cotes2020/jekyll-theme-chirpy
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# © 2020 Cotes Chung
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# MIT Licensed
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set -eu
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PROJ_HOME=$(dirname $(dirname $(realpath "$0")))
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YUICOMPRESSOR_SRC=https://github.com/yui/yuicompressor/releases/download/v2.4.8/yuicompressor-2.4.8.jar
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YUICOMPRESSOR=${PROJ_HOME}/tools/package/yuicompressor-2.4.8.jar
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JS_ROOT=${PROJ_HOME}/assets/js/
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JS_SRC=${JS_ROOT}_src # JS source files
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JS_DEST=${JS_ROOT}dist # Compressed output directory
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PREFIX_LEN=${#JS_ROOT} # To beautify the log
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function init() {
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if [[ ! -f $YUICOMPRESSOR ]]; then
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if [[ ! -d "${PROJ_HOME}/tools/package/" ]]; then
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mkdir -p "${PROJ_HOME}/tools/package/"
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fi
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wget "$YUICOMPRESSOR_SRC" -P "${PROJ_HOME}/tools/package/" -q
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fi
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}
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function compress() {
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# $1 is the source dir
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# $2 is the destination dir
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# $3 is the sub dir of source dir, nullable
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if [[ -z ${3:+unset} ]]
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then
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sub_dir=""
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else
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sub_dir="$3/"
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fi
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for item in $(ls $1)
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do
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src="$1/$item"
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if [[ -d "$src" ]]; then
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compress $src $2 $item # recursion
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else
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if [[ -z $(git status $src -s) ]]; then
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continue
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fi
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if [[ ! -d "$2/${sub_dir}" ]]; then
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mkdir -p $2/${sub_dir}
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fi
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output=$2/${sub_dir}${item%.*}.min.js
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echo "java -jar $(basename $YUICOMPRESSOR) ${src:$PREFIX_LEN} -o ${output:$PREFIX_LEN}"
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java -jar $YUICOMPRESSOR $src -o $output
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fi
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done
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sub_dir="" # clean up for next recursion.
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}
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init
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compress $JS_SRC $JS_DEST
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