GitHub API で特定の user/organization のすべてのリポジトリ情報を取得する

index.js

const GITHUB_API_URL = 'https://api.github.com';
const GITHUB_TOKEN = '<GitHub API Token>';

// Prepare axios for GitHub API
const axiosBase = require('axios');
const github = axiosBase.create({
  baseURL: GITHUB_API_URL,
  headers: {
    'Content-Type': 'application/json',
    'Authorization': `token ${GITHUB_TOKEN}`,
  },
  responseType: 'json',
});

/**
 * Gets a list of repos in GitHub.
 * @param {String} ownerType Resource type of owner (orgs|users)
 * @param {String} owner Owner name
 */
async function getGithubRepos(ownerType, owner) {
  let url = `${ownerType}/${owner}/repos?sort=full_name`;
  const array = [];
  while (url) {
    const { next, data } = await getGithubReposPage(url);
    if (data) array.push(data);
    url = next;
  }
  return array.flat();
}

async function getGithubReposPage(url) {
  const result = await github.get(url);
  let next = null;
  if (result.headers && result.headers.link) {
    // extract next url from "link" header
    const matches = /\<([^<>]+)\>; rel\="next"/.exec(result.headers.link);
    if (matches) {
      next = matches[1];
    }
  }
  const data = result.data || null;
  return {
    next,
    data,
  };
}

// demo
(async () => {
  const kenzaurosRepos = await getGithubRepos('users', 'kenzauros');
  console.log(kenzaurosRepos);
  const vuejsRepos = await getGithubRepos('orgs', 'vuejs');
  console.log(vuejsRepos);
})();

package.json

{
  "name": "github-api-list-all-repos",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "axios": "^0.19.1"
  }
}