bun.sh/bench/snippets/response-json.mjs

// This snippet mostly exists to reproduce a memory leak
import { bench, run } from "../runner.mjs";

const obj = {
  "id": 1296269,
  "node_id": "MDEwOlJlcG9zaXRvcnkxMjk2MjY5",
  "name": "Hello-World",
  "full_name": "octocat/Hello-World",
  "owner": {
    "login": "octocat",
    "id": 1,
    "node_id": "MDQ6VXNlcjE=",
    "avatar_url": "https://github.com/images/error/octocat_happy.gif",
    "gravatar_id": "",
    "url": "https://api.github.com/users/octocat",
    "html_url": "https://github.com/octocat",
    "followers_url": "https://api.github.com/users/octocat/followers",
    "following_url": "https://api.github.com/users/octocat/following{/other_user}",
    "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
    "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
    "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
    "organizations_url": "https://api.github.com/users/octocat/orgs",
    "repos_url": "https://api.github.com/users/octocat/repos",
    "events_url": "https://api.github.com/users/octocat/events{/privacy}",
    "received_events_url": "https://api.github.com/users/octocat/received_events",
    "type": "User",
    "site_admin": false,
  },
  "private": false,
  "html_url": "https://github.com/octocat/Hello-World",
  "description": "This your first repo!",
  "fork": false,
  "url": "https://api.github.com/repos/octocat/Hello-World",
  "archive_url": "https://api.github.com/repos/octocat/Hello-World/{archive_format}{/ref}",
  "assignees_url": "https://api.github.com/repos/octocat/Hello-World/assignees{/user}",
  "blobs_url": "https://api.github.com/repos/octocat/Hello-World/git/blobs{/sha}",
  "branches_url": "https://api.github.com/repos/octocat/Hello-World/branches{/branch}",
  "collaborators_url": "https://api.github.com/repos/octocat/Hello-World/collaborators{/collaborator}",
  "comments_url": "https://api.github.com/repos/octocat/Hello-World/comments{/number}",
  "commits_url": "https://api.github.com/repos/octocat/Hello-World/commits{/sha}",
  "compare_url": "https://api.github.com/repos/octocat/Hello-World/compare/{base}...{head}",
  "contents_url": "https://api.github.com/repos/octocat/Hello-World/contents/{+path}",
  "contributors_url": "https://api.github.com/repos/octocat/Hello-World/contributors",
  "deployments_url": "https://api.github.com/repos/octocat/Hello-World/deployments",
  "downloads_url": "https://api.github.com/repos/octocat/Hello-World/downloads",
  "events_url": "https://api.github.com/repos/octocat/Hello-World/events",
  "forks_url": "https://api.github.com/repos/octocat/Hello-World/forks",
  "git_commits_url": "https://api.github.com/repos/octocat/Hello-World/git/commits{/sha}",
  "git_refs_url": "https://api.github.com/repos/octocat/Hello-World/git/refs{/sha}",
  "git_tags_url": "https://api.github.com/repos/octocat/Hello-World/git/tags{/sha}",
  "git_url": "git:github.com/octocat/Hello-World.git",
  "issue_comment_url": "https://api.github.com/repos/octocat/Hello-World/issues/comments{/number}",
  "issue_events_url": "https://api.github.com/repos/octocat/Hello-World/issues/events{/number}",
  "issues_url": "https://api.github.com/repos/octocat/Hello-World/issues{/number}",
  "keys_url": "https://api.github.com/repos/octocat/Hello-World/keys{/key_id}",
  "labels_url": "https://api.github.com/repos/octocat/Hello-World/labels{/name}",
  "languages_url": "https://api.github.com/repos/octocat/Hello-World/languages",
  "merges_url": "https://api.github.com/repos/octocat/Hello-World/merges",
  "milestones_url": "https://api.github.com/repos/octocat/Hello-World/milestones{/number}",
  "notifications_url": "https://api.github.com/repos/octocat/Hello-World/notifications{?since,all,participating}",
  "pulls_url": "https://api.github.com/repos/octocat/Hello-World/pulls{/number}",
  "releases_url": "https://api.github.com/repos/octocat/Hello-World/releases{/id}",
  "ssh_url": "git@github.com:octocat/Hello-World.git",
  "stargazers_url": "https://api.github.com/repos/octocat/Hello-World/stargazers",
  "statuses_url": "https://api.github.com/repos/octocat/Hello-World/statuses/{sha}",
  "subscribers_url": "https://api.github.com/repos/octocat/Hello-World/subscribers",
  "subscription_url": "https://api.github.com/repos/octocat/Hello-World/subscription",
  "tags_url": "https://api.github.com/repos/octocat/Hello-World/tags",
  "teams_url": "https://api.github.com/repos/octocat/Hello-World/teams",
  "trees_url": "https://api.github.com/repos/octocat/Hello-World/git/trees{/sha}",
  "clone_url": "https://github.com/octocat/Hello-World.git",
  "mirror_url": "git:git.example.com/octocat/Hello-World",
  "hooks_url": "https://api.github.com/repos/octocat/Hello-World/hooks",
  "svn_url": "https://svn.github.com/octocat/Hello-World",
  "homepage": "https://github.com",
  "language": null,
  "forks_count": 9,
  "stargazers_count": 80,
  "watchers_count": 80,
  "size": 108,
  "default_branch": "master",
  "open_issues_count": 0,
  "is_template": false,
  "topics": ["octocat", "atom", "electron", "api"],
  "has_issues": true,
  "has_projects": true,
  "has_wiki": true,
  "has_pages": false,
  "has_downloads": true,
  "has_discussions": false,
  "archived": false,
  "disabled": false,
  "visibility": "public",
  "pushed_at": "2011-01-26T19:06:43Z",
  "created_at": "2011-01-26T19:01:12Z",
  "updated_at": "2011-01-26T19:14:43Z",
  "permissions": {
    "admin": false,
    "push": false,
    "pull": true,
  },
  "security_and_analysis": {
    "advanced_security": {
      "status": "enabled",
    },
    "secret_scanning": {
      "status": "enabled",
    },
    "secret_scanning_push_protection": {
      "status": "disabled",
    },
  },
};

const smallObj = { id: 1, name: "test" };

const arrayObj = {
  items: Array.from({ length: 100 }, (_, i) => ({ id: i, value: `item-${i}` })),
};

bench("Response.json(obj)", () => {
  return Response.json(obj);
});

bench("new Response(JSON.stringify(obj))", () => {
  return new Response(JSON.stringify(obj), {
    headers: { "Content-Type": "application/json" },
  });
});

bench("Response.json(smallObj)", () => {
  return Response.json(smallObj);
});

bench("new Response(JSON.stringify(smallObj))", () => {
  return new Response(JSON.stringify(smallObj), {
    headers: { "Content-Type": "application/json" },
  });
});

bench("Response.json(arrayObj)", () => {
  return Response.json(arrayObj);
});

bench("new Response(JSON.stringify(arrayObj))", () => {
  return new Response(JSON.stringify(arrayObj), {
    headers: { "Content-Type": "application/json" },
  });
});

await run();