Steps to build and run locally

* Install yarn -- https://classic.yarnpkg.com/en/docs/install/#mac-stable
* cd webcomponents-ui/src/main/content/webcomponents/js/packages/aem
* yarn install
* yarn build
* If you get the following error when you do a yarn build then add this to your environment variables in your bash shell
* export NODE_OPTIONS=--max_old_space_size=4096
``
<--- JS stacktrace --->

==== JS stack trace =========================================

0: ExitFrame [pc: 0xfdf1c9878a1]
Security context: 0x1b429ac1e6e9
1: byteLength(aka byteLength) [0x1b4205af9801] [buffer.js:~509] pc=0xfdf1fe2de87
2: arguments adaptor frame: 3->2
3: fromString(aka fromString) [0x1b427ff13581] [buffer.js:~334] FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
1: 0x10003cff5 node::Abort(" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">pc=0xfdf1cc6d950 [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
2: 0x10003d1ff node::OnFatalError(char const, char const) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
3: 0x1001b8265 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate, char const, bool) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
4: 0x1005861c2 v8::internal::Heap::FatalProcessOutOfMemory(char const*) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
5: 0x10058f6c4 v8::internal::Heap::AllocateRawWithRetryOrFail(int, v8::internal::AllocationSpace, v8::internal::AllocationAlignment) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
6: 0x1005614b4 v8::internal::Factory::NewRawTwoByteString(int, v8::internal::PretenureFlag) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
7: 0x100693029 v8::internal::String::SlowFlatten(v8::internal::Handle, v8::internal::PretenureFlag) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
8: 0x1001d5ffd v8::String::Utf8Length() const [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
9: 0x100051057 node::Buffer::(anonymous namespace)::ByteLengthUtf8(v8::FunctionCallbackInfo const&) [/Users/ncjarvis/.nvm/versions/node/v10.16.1/bin/node]
10: 0xfdf1c9878a1
error Command failed with signal "SIGABRT".
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
`

* yarn serve -- This command takes a long time but it will eventually complete. It will seem like it is stuck at 69% or some percentage for a long while and then it will finally respond so be patient.
* A web page will eventually popup in your browser: http://localhost:8080/
* This url lets you access the cart: http://localhost:8080/playground/cart.html
* This url lets you login: http://localhost:8080/playground/ns-login.html
* Use the username: pedista
* Use the password: Abdc1234
* After login you will see the url: http://localhost:8080/playground/home.html
* To order something go to http://localhost:8080/playground/cart.html and type renu in the Search field of the cart.html web page
* Then select the product that comes up which will be ReNu Hair Mask`
* Then follow the checkout proceedure