teamNameSlugs: findContactableOwners()

in packages/repocop/src/remediation/branch-protector/branch-protection.ts [29:100]
33 lines of code
9 McCabe index (conditional complexity)

				teamNameSlugs: findContactableOwners(repo.full_name, repoOwners),
			};
		})
		.filter((repo) => repo.teamNameSlugs.length > 0);

	const resultsCount = reposWithContactableOwners.length;

	const sliceLength = Math.min(resultsCount, msgCount);

	return shuffle(reposWithContactableOwners).slice(0, sliceLength);
}

export async function protectBranches(
	evaluatedRepos: repocop_github_repository_rules[],
	repoOwners: view_repo_ownership[],
	config: Config,
	unarchivedRepositories: Repository[],
	octokit: Octokit,
) {
	//repos with a 'production' or 'documentation' topic
	const productionOrDocs = unarchivedRepositories
		.filter(
			(repo) =>
				repo.topics.includes('production') ||
				repo.topics.includes('documentation'),
		)
		.map((repo) => repo.full_name);

	const relevantRepos = evaluatedRepos.filter((repo) =>
		productionOrDocs.includes(repo.full_name),
	);

	const branchProtectionEvents: UpdateMessageEvent[] =
		createBranchProtectionEvents(relevantRepos, repoOwners, 5);

	await Promise.all(
		branchProtectionEvents.map((event) =>
			protectBranch(octokit, config, event),
		),
	);
}

async function protectBranch(
	octokit: Octokit,
	config: Config,
	event: UpdateMessageEvent,
) {
	const [owner, repo] = event.fullName.split('/');

	if (!owner || !repo) {
		throw new Error(`Invalid repo name: ${event.fullName}`);
	}

	let defaultBranchName = undefined;
	try {
		defaultBranchName = await getDefaultBranchName(owner, repo, octokit);
	} catch (error) {
		throw new Error(`Could not find default branch for repo: ${repo}`);
	}

	const branchIsProtected = await isBranchProtected(
		octokit,
		owner,
		repo,
		defaultBranchName,
	);

	const stageIsProd = config.stage === 'PROD';

	if (stageIsProd && !branchIsProtected && config.branchProtectionEnabled) {
		await updateBranchProtection(octokit, owner, repo, defaultBranchName);
		for (const slug of event.teamNameSlugs) {