Compress image using pre-commit hook

pre-commit

#!/bin/sh
. "$(dirname "$0")/_/husky.sh"

command -v ./node_modules/.bin/svgo >/dev/null 2>&1 || { 
    echo "\033[1mPlease install svgo to reduce images size before commit\033[0m" 
    echo "Install svgo as a devDependency using npm install -D svgo" 
    exit 1;
}
for file in `git diff --diff-filter=ACMRT --cached --name-only | grep ".svg\$"`
do 
    exec < /dev/tty 
    read -p "Do you want to compress $file? [yN]: " yn 
    case $yn in 
        [Yy]* ) 
            echo "Compressing $file" 
            ./node_modules/.bin/svgo $file -o ${file%.svg}.new 
            mv -f ${file%.svg}.new $file
            git add $file;;
        * ) echo "Skipping $file" && continue;; 
    esac 
done