Added undefined check to event action #91

	---
	name: build-test

	on: [push, pull_request]

	jobs:
	build-test:
	strategy:
	matrix:
	node-version:
	- 18
	- 20
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up node-${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	- name: Install dependencies and build the code
	run: npm install
	- name: Verify styling
	id: style_verify
	run: npm run format-dryrun
	- name: Verify styling failure msg
	if: steps.style_verify.outcome == 'failure'
	run: echo "Please run 'npm run format' before commiting the code!"
	- name: Run build test
	run: npm run build
	- name: Run junit
	run: npm run junit
	- name: Upload results to Codecov
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	- name: Upload junit test results to Codecov
	if: ${{ !cancelled() }}
	uses: codecov/test-results-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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