Ram disk via scripts

package.json

{
  "scripts": {
    "ram": "yarn ram-check-disk && yarn ram-create-disk && yarn ram-link-node-modules && yarn ram-link-build && yarn install && yarn start",
    "ram-check-disk": "[ -d /Volumes/npm_ram_disk ] && echo 'Disk already mounted!' && yarn build && exit 1 || exit 0",
    "ram-create-disk": "diskutil erasevolume hfsx npm_ram_disk `hdiutil attach -nomount ram://1600000`",
    "ram-link-node-modules": "mkdir /Volumes/npm_ram_disk/node_modules && rm -r -f ./node_modules && ln -s /Volumes/npm_ram_disk/node_modules ./node_modules",
    "ram-link-build": "mkdir /Volumes/npm_ram_disk/build && rm -r -f ./build && ln -s /Volumes/npm_ram_disk/build ./build",  
  }
}