/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew install node
node -v
npm -v
npm install -g typescript
tsc helloworld.ts
/usr/local/bin/tsc -> /usr/local/lib/node_modules/typescript/bin/tsc
/usr/local/bin/tsserver -> /usr/local/lib/node_modules/typescript/bin/tsserver
+ typescript@2.4.2
Type tsc
in terminal to compile all the files in your tsconfig.json
Then run node filename
to have it run your code