SHELL

zsh: command not found: node

open ~/.zshrc
// add the following to the beginning of the file:
source /Users/YOUUSERNAME/.bash_profile
// restart terminal

zsh: command not found: npm

export NVM_DIR=~/.nvm
 [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"

zsh: command not found

PATH=/bin:/usr/bin:/usr/local/bin:${PATH}
export PATH

zsh: command not found: npm

# first make sure where is the npm installed
$ which npm
# output: /home/sallo/.nvm/versions/node/v14.15.3/bin/npm

# now open the file ~/.zshrc and add the below line at the end.
# change the path in cause you have different

export PATH=$HOME/.nvm/versions/node/v14.15.3/bin/npm:$PATH

# save the file and open new terminal

npm not found in zsh

echo 'PATH="~/.nvm/versions/node/v12.22.1/bin:$PATH"' >> ~/.zshrc