dangerfile.ts

import { danger, markdown } from "danger";

const userIsAdmin = danger.github.pr.user.login === "sidiousvic";
const baseBranch = danger.github.pr.base.ref;
const PRAgainstProd = baseBranch === "production";
const PRAgainstDev = baseBranch === "dev";
const hasModifiedPhantom = danger.git.modified_files.join("").includes("src/");
const includesChangelog = danger.git.modified_files.includes("CHANGELOG.md");

console.table({
  userIsAdmin,
  baseBranch,
  PRAgainstProd,
  PRAgainstDev,
  hasModifiedPhantom,
  includesChangelog,
});

// MESSAGES
const YouForgotAChangelogFile = `<h3>📑&nbsp;&nbsp;You forgot to update the <code>CHANGELOG</code>!</h3>You've modified <b>Phantom</b>. Please record your changes to <a href="https://github.com/sidiousvic/phantom/blob/production/README.md"><code>CHANGELOG.md</code></a>.<br></br>`;

const YouOpenedAPRAgainstProd = `<h3>💥&nbsp;&nbsp;Sick human, you have opened a pull request against <code>${baseBranch}</code>!</h3>Hop outta here before I destroy you with my alien frog lasers!<br></br>`;

const YouOpenedAPRAgainstDev = `<h3>🐸&nbsp;&nbsp;Thanks for your pull request, ribbit!</h3>Go fix yourself a piña colada while the checks pass and someone reviews your code. 🍍<br></br>`;

let message = "";

// BRANCH PROTECTION
if (PRAgainstProd && !userIsAdmin) message += YouOpenedAPRAgainstProd;
else if (PRAgainstDev) message += YouOpenedAPRAgainstDev;

// CHANGELOG WAS NOT INCLUDED WHEN UPDATING PROD AFTER CHANGING SOURCE CODE
if (PRAgainstProd && hasModifiedPhantom && !includesChangelog) {
  message += YouForgotAChangelogFile;
}

if (!message) message += "<h3>🐸</h3>";

markdown(message + "<!--");