index.ts

import { context, getOctokit } from "@actions/github";
import { defaults as defaultGitHubOptions } from "@actions/github/lib/utils";
import { requestLog } from "@octokit/plugin-request-log";
import * as core from "@actions/core";
import fs from "fs";
import fetch from "node-fetch";

process.on("unhandledRejection", handleError);
main().catch(handleError);

async function main(): Promise<void> {
  const token = process.env.GITHUB_ACCESS_TOKEN as string;
  const script = process.env.SCRIPT as string;

  const github = getOctokit(
    token,
    {
      ...defaultGitHubOptions,
      retry: { enabled: false },
      request: { ...defaultGitHubOptions.request, timeout: 10000 },
    },
    requestLog
  );

  const result = await github.rest.repos.getContent({
    mediaType: {
      format: "raw",
    },
    owner: context.repo.owner,
    repo: context.repo.repo,
    path: script,
  });

  // @ts-ignore
  fs.writeFileSync("./bot.ts", result.data);

  await require("./bot.ts").default({
    github,
    context,
    core,
    fetch,
  });
}

function handleError(err: any): void {
  console.error(err);
  core.setFailed(`Unhandled error: ${err}`);
}