how to call nvm in bash script code example

Example: .nvm bash

# This loads nvm (Node Version Manager). Add this to your shell profile (~/.bash_profile, ~/.zshrc, ~/.profile, or ~/.bashrc)
export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"