how to update package.json npm code example
Example 1: how to update my package.json
npm install -g npm-check-updates
/after install run following:
ncu -u
//Then this:
npm update
Example 2: 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Use npm|yarn outdated to see which modules have newer versions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