update-show-sections-in-readmes.js

import core from "@actions/core";
import { Octokit } from "@octokit/core";
import { paginateRest } from "@octokit/plugin-paginate-rest";
import { ReadmeBox } from "readme-box";

if (process.env.GITHUB_ACTIONS && process.env.NODE_ENV !== "test") {
  // Create Octokit constructor with .paginate API and custom user agent
  const MyOctokit = Octokit.plugin(paginateRest).defaults({
    userAgent: "gr2m-helpdesk",
  });
  const octokit = new MyOctokit({
    auth: process.env.GITHUB_TOKEN,
  });
  run(process.env, core, octokit, ReadmeBox);
}

export async function run(env, core, octokit, ReadmeBox) {
  // load all open issues with the `show` label
  const issues = await octokit.paginate("GET /repos/{owner}/{repo}/issues", {
    owner: "gr2m",
    repo: "helpdesk",
    labels: "show",
    state: "all",
    per_page: 100,
  });

  // split up the shows between upcoming (open issue) and past shows (closed issues)
  const upcomingShows = [];
  const pastShows = [];
  for (const issue of issues) {
    const [datetime, , title, , guest] = issue.title.split(/ (- |with @)/g);

    if (issue.state === "open") {
      upcomingShows.push({
        datetime,
        title,
        guest,
        url: issue.html_url,
      });
    } else {
      pastShows.push({
        datetime,
        title,
        guest,
        url: issue.html_url,
      });
    }
  }

  // Create markdown code for both show sectiosn
  const upcomingShowsText = upcomingShows
    .map(({ datetime, title, url, guest }) => {
      if (guest) {
        return `- ${datetime} — [${title}](${url}) with [@${guest}](https://github.com/${guest})`;
      }

      return `- ${datetime} — [${title}](${url})`;
    })
    .join("\n");

  const pastShowsText = pastShows
    .map(({ title, url, guest }) => {
      if (guest) {
        return `- [${title}](${url}) with [@${guest}](https://github.com/${guest})`;
      }

      return `- [${title}](${url})`;
    })
    .join("\n");

  const markdown = `

## Upcoming shows

${upcomingShowsText}

## Past shows

${pastShowsText}

`;

  // update the shows section in gr2m/helpdesk
  await ReadmeBox.updateSection(markdown, {
    owner: "gr2m",
    repo: "helpdesk",
    token: env.GITHUB_TOKEN,
    section: "helpdesk-shows",
    branch: "main",
    message: "docs(README): update helpdesk shows",
  });

  core.info("README updated in gr2m/helpdesk");

  // update the shows section in gr2m/gr2m
  await ReadmeBox.updateSection(markdown, {
    owner: "gr2m",
    repo: "gr2m",
    token: env.GITHUB_TOKEN,
    section: "helpdesk-shows",
    branch: "main",
    message: "docs(README): update helpdesk shows",
  });

  core.info("README updated in gr2m/gr2m");
}