angular/.github/actions/deploy-docs-site/lib/main.ts

import {getInput, setFailed} from '@actions/core';
import {context} from '@actions/github';
import {deployToFirebase, setupRedirect} from './deploy';
import {getDeployments} from './deployments';
import {AuthenticatedGitClient, GithubConfig, setConfig} from '@angular/ng-dev';
import {githubReleaseTrainReadToken} from './credential';

const refMatcher = /refs\/heads\/(.*)/;

async function deployDocs() {
  setConfig({
    github: <GithubConfig>{
      mainBranchName: 'main',
      name: 'angular',
      owner: 'angular',
    },
  });

  AuthenticatedGitClient.configure(githubReleaseTrainReadToken);

  if (context.eventName !== 'push') {
    throw Error();
  }
  const matchedRef = context.ref.match(refMatcher);
  if (matchedRef === null) {
    throw Error();
  }

  const currentBranch = matchedRef[1];
  const configPath = getInput('configPath');
  const distDir = getInput('distDir');

  const deployment = (await getDeployments()).get(currentBranch);
  if (deployment === undefined) {
    console.log(`Current branch (${currentBranch}) does not deploy a documentation site.`);
    console.log(`Exiting...`);
    process.exit(0);
  }

  console.log('Doc site deployment information');
  console.log('');
  console.log('Current Branch:');
  console.log(`  ${deployment.branch}`);
  console.log('');
  console.log('Firebase Site:');
  if (deployment.destination === undefined) {
    console.log('  No deployment of a documenation site is necessary');
  } else {
    console.log(`  Deploying to: ${deployment.destination}`);
  }
  console.log('');
  console.log('Redirect Configuration:');
  if (deployment.redirect === undefined) {
    console.log('  No redirects are necessary');
  } else {
    console.log(`  From: ${deployment.redirect.from}`);
    console.log(`  To: ${deployment.redirect.to}`);
  }

  await deployToFirebase(deployment, configPath, distDir);
  await setupRedirect(deployment);
}

// Only run if the action is executed in a repository with is in the Angular org. This is in place
// to prevent the action from actually running in a fork of a repository with this action set up.
if (context.repo.owner === 'angular') {
  deployDocs().catch((e: Error) => {
    setFailed(e.message);
    console.error(e);
  });
} else {
  console.warn(
    'The action was skipped as this action is only meant to run in repos belonging to the Angular organization.',
  );
}