npm show installed packages code example

Example 1: npm list global packages

npm list -g --depth 0

Example 2: how to view a list of installed npm packages

npm list -g

Example 3: apt see installed packages

apt list --installed

Example 4: npm list all installed packages

npm list -g --depth=0

Example 5: check if a npm package is installed

npm list [package-name] || npm list -g [package-name]