nmlnk

#!/bin/bash

ROOT=~/.nmlnk
NODE_MODULES_REPOSITORY="$ROOT/repository"

# check package-lock.json file is present
if [ ! -f "package-lock.json" ]; then
    echo "File package-lock.json not found!"
    exit 1
fi

# create node_modules repository if necessary
if [ ! -d "$NODE_MODULES_REPOSITORY" ]; then
    mkdir -p "$NODE_MODULES_REPOSITORY"
fi

# if node_modules exists and is a directory, remove it
if [ -d "node_modules" ]; then
    rm -rf node_modules
fi

# get md5 of package-lock.json file
FILE_MD5=$(md5sum package-lock.json | cut -d ' ' -f 1)

# log the date, current directory and md5 to log file
echo "$(date -Iminutes) - $(pwd) - $FILE_MD5" >> "$ROOT/log.txt"

# if directory does not exists, create it
if [ ! -d "$NODE_MODULES_REPOSITORY/$FILE_MD5" ]; then
    rm -rf node_modules
    npm ci
    mkdir -p "$NODE_MODULES_REPOSITORY/$FILE_MD5"
    mv node_modules "$NODE_MODULES_REPOSITORY/$FILE_MD5/node_modules"
fi

# remove directory if it already exists
rm -f node_modules

# link directory to current directory
ln -s "$NODE_MODULES_REPOSITORY/$FILE_MD5/node_modules" node_modules