Add function block comments to subscription date calculating functions to clarify intended use and logic #331

	name: Create a new release when a release PR is merged

	# This action will only run when a pull request targeting `trunk` is closed/merged.
	on:
	pull_request_target:
	branches:
	- 'trunk'
	types:
	- closed

	jobs:
	create-release:
	# Action will be skipped unless we have a successful merge AND the original PR started with release
	# If this condition isn't matched, then github will show the action as skipped.
	if: startsWith(github.head_ref, 'release/') && github.event.pull_request.merged == true
	runs-on: ubuntu-latest
	steps:
	- run: echo "A release branch has been merged with trunk, time to create a new release"

	# We need to checkout the code so we can access the version from package.json
	- name: Checkout
	uses: actions/checkout@v3
	with:
	# We checkout based on the merge_commit_sha trunk so we're acting on post-merge state rather than pre-merge.
	ref: ${{github.event.pull_request.merge_commit_sha}}
	- name: Get version
	id: version
	run: echo ::set-output name=data::$(jq '.version' package.json -r)

	# Tag a new release with the body set to the description of the original PR.
	- name: Release
	uses: softprops/[email protected]
	with:
	tag_name: ${{steps.version.outputs.data}}
	name: "Version ${{steps.version.outputs.data}}"
	body: ${{github.event.pull_request.body}}
	target_commitish: ${{github.event.pull_request.merge_commit_sha}}

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