const { readFileSync } = require('fs')

const generateNpmInstallScript = (obj, initialScript) => {
  return Object.keys(obj).reduce((script, key) => {
    return script + ' ' + key + '@latest'
  }, initialScript)
}

const contents = readFileSync('./package.json', 'utf-8')

const {
  dependencies,
  devDependencies
} = JSON.parse(contents)

console.log(generateNpmInstallScript(dependencies, 'npm install'))
console.log(generateNpmInstallScript(devDependencies, 'npm install --save-dev'))