npm_install_speedup

gistfile1.txt

##### NPM Install speedup start
PKG_SUM=$(md5sum package.json | cut -d\  -f 1)
TARBALL=node_modules-${PKG_SUM}.tgz
TARBALL_MD5SUM=${TARBALL}.md5sum
CACHE_BASE_DIR=${HOME}/.cache/
CACHE_TARBALL=${CACHE_BASE_DIR}/${TARBALL}
CACHE_TARBALL_MD5SUM=${CACHE_BASE_DIR}/${TARBALL_MD5SUM}

### Check NPM CACHE DIR
[[ ! -e $CACHE_BASE_DIR ]] && mkdir -p $CACHE_BASE_DIR

### COPY CACHE TARBALL -> ./
if [ -f ${CACHE_TARBALL} ]; then
    md5sum -c ${TARBALL_MD5SUM} || rm -f ${TARBALL} ${TARBALL_MD5SUM}
    cp -f $CACHE_TARBALL ./
    cp -f $CACHE_TARBALL_MD5SUM ./

    if [ -f ${TARBALL} ]; then
        tar zxf ${TARBALL}
    fi
fi

npm install

### UPLOAD TARBALL -> NPM CACHE
if [ ! -f ${TARBALL_MD5SUM} ]; then
    if [ -d node_modules ]; then
        tar zcf ${TARBALL} node_modules
    fi

    md5sum $TARBALL >${TARBALL_MD5SUM}
    cp -f ./${TARBALL} $CACHE_TARBALL
    cp -f ./${TARBALL_MD5SUM} $CACHE_TARBALL_MD5SUM
fi
##### NPM Install speedup end