NodeJS & NPM Installation

Install NVM (Node Version Manager)

$ curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash

On your .bashrc or .zshrc there should be this line:

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" # This loads nvm

Install node and npm

$ nvm install --lts=erbium

Homebrew

Install Homebrew

$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

Ionic and its dependencies

$ npm install -g ionic@4.12.0
$ npm isntall -g --save @angular/cli
$ npm install -g cordova
$ npm install -g ios-sim
$ brew install ios-deploy
$ gem install cocoapods

XCode

If you install XCODE from appstore then this may be neglected

$ xcode-select --install

Go to Xcode » Preferences » Accounts, and add account