npm how to upgrade package code example
Example 1: npm update all
npm update --save
Example 2: npm update syntax
npm update -g
Example 3: update npm package
Use npm|yarn outdated to see which modules have newer versions
Use npm update|yarn upgrade (without a package name) to update all modules
Include --save-dev|--dev if you want to save the newer version numbers to your package.json. (NOTE: as of npm v5.0 this is only necessary for devDependencies).
Use npm install package@major-version to update to major version
Example 4: npm update syntax
npm outdated