Seeding early collaboration entities

import {type InitialState, simulation} from 'simulacat-core';

const initialState: InitialState = {
  users: [],
  organizations: [{login: 'acme'}],
  repositories: [{owner: 'acme', name: 'awesome-repo'}],
  branches: [{owner: 'acme', repo: 'awesome-repo', name: 'main'}],
  blobs: [],
  commits: [{owner: 'acme', repo: 'awesome-repo', sha: 'abc123'}],
  refs: [
    {
      owner: 'acme',
      repo: 'awesome-repo',
      qualifiedName: 'main',
      object: {sha: 'abc123'}
    }
  ],
  issues: [{owner: 'acme', repo: 'awesome-repo', number: 1, title: 'Bug'}],
  pullRequests: [
    {
      owner: 'acme',
      repo: 'awesome-repo',
      number: 2,
      title: 'Fix bug',
      base: {ref: 'main', sha: 'abc123'},
      head: {ref: 'feature/fix', sha: 'def456'}
    }
  ]
};
const app = simulation({initialState});
const server = await app.listen(0);
try {
  const baseUrl = `http://127.0.0.1:${server.port}`;
  const paths = [
    '/repos/acme/awesome-repo/git/ref/main',
    '/repos/acme/awesome-repo/git/commits/abc123',
    '/repos/acme/awesome-repo/issues/1',
    '/repos/acme/awesome-repo/pulls/2'
  ];
  const rest = await Promise.all(
    paths.map(async (path) => {
      const response = await fetch(`${baseUrl}${path}`);
      return {status: response.status, body: await response.json()};
    })
  );
  const query = `query {
    repository(owner: "acme", name: "awesome-repo") {
      defaultBranchRef { name }
      ref(qualifiedName: "main") { name }
      issues(first: 10) { nodes { number } }
      pullRequests(first: 10) { nodes { number } }
    }
  }`;
  const graphQlResponse = await fetch(`${baseUrl}/graphql`, {
    method: 'POST',
    headers: {'content-type': 'application/json'},
    body: JSON.stringify({query})
  });
  const graphQl = await graphQlResponse.json();

  console.log(JSON.stringify({rest, graphQl}));
} finally {
  await server.ensureClose();
}