Open the Command Palette (⇧⌘P) and type 'shell command' to find the Shell Command: Install 'code' command in PATH command.
Run command in terminal:
code --list-extensions | xargs -L 1 echo code --install-extension
Output:
# ....
code --install-extension 1tontech.angular-material
code --install-extension abusaidm.html-snippets
code --install-extension actboy168.lua-debug
code --install-extension Angular.ng-template
code --install-extension AngularDoc.angulardoc-vscode
code --install-extension azemoh.one-monokai
code --install-extension christian-kohler.path-intellisense
code --install-extension cyrilletuzi.angular-schematics
code --install-extension DavidAnson.vscode-markdownlint
code --install-extension dbaeumer.jshint
# ....
$ cd ~/Library/Application Support/Code/User
$ ls *.json
keybindings.json settings.json