latest version package.json code example

Example 1: update node.js dependencies

npm install -g npm-check-updates
ncu -u
npm update
npm install

Example 2: how to update version of dependencies reactjs

$ npm install -g npm-check-updates
$ ncu -u
$ npm install

Example 3: npm get package.json version

node -pe "require('./package.json')['version']"

Example 4: package.json version

$(node -pe 'require(\"./package.json\")[\"version\"]')