Extract asana tasks from PRs between two tags.

extract-asana-tasks.ts

import { execSync } from "child_process";
import fetch from "node-fetch";

const token = "YOUR_ACCESS_TOKEN";
const project = "~/dev/deedmob/code/.git";
const prev = "release-20220613.17-48-26";
const next = "release-20220629.18-19-06";
const repo = "DeedMob/deedmob";

(async () => {
  // get the PRs (their numbers, actually)
  const pulls = execSync(
    `git --git-dir ${project} log ${prev}..${next} --reverse --oneline --grep='#' | sed 's/.*(#\\(.*\\))/\\1/'`
  )
    .toString("utf-8")
    .split("\n");

  const tasks: string[] = [];
  for (const pull of pulls) {
    // fetch the `body` of the current PR
    const { body } = (await (
      await fetch(`https://api.github.com/repos/${repo}/pulls/${pull}`, {
        headers: { Authorization: `token ${token}` },
      })
    ).json()) as { body: string | undefined };

    // extract all Asana tasks in the description
    const matches = Array.from(
      body?.matchAll(/(https\:\/\/app\.asana\.com\/.*)/g) ?? []
    );
    matches.forEach((m) => tasks.push(m[0]));

    // wait a little; no idea what the limit for github API is 🤷‍♀️
    await new Promise((r) => setTimeout(r, 1000));
  }

  console.log(tasks);
})();