e76b34be22
## What Implements the close-code contract from the matchmaking API handoff (API PR #419) in the matchmaking modal, plus two runnable integration harnesses. Previously `onclose` only logged, so an API deploy while queued left the player on the "searching" spinner forever (the queue is in-memory on the API worker). | Close | Behavior | | --- | --- | | 1008 `Invalid session` | Reconnect and re-send `join` — `getPlayToken()` refreshes an expired token internally, so the rejoin carries a fresh JWT | | 1000 `Replaced by newer connection` | Another tab/window took the queue slot: show a message (new `matchmaking_modal.replaced` string) and stop. No retry | | Any other close before assignment | Server restart/deploy: reconnect and re-send `join`, with exponential backoff (1s doubling to a 15s cap) | Intentional closes (user backs out of the modal, assignment received) don't reconnect. A pending 2s join timer from a previous socket is cleared before each reconnect so it can't fire on the new socket. ## Test harnesses (`tests/matchmaking/`) - **`npm run test:matchmaking`** (contained): drives the real modal in a headless browser against a fake in-process matchmaking server speaking the documented protocol; covers the whole close-code table over real WebSockets. Needs only `npm run dev`. - **`npm run test:matchmaking:e2e`**: real integration against the API worker on `localhost:8787` — two browser players join the real queue, the dev game server receives the checkin assignment, and both clients end up in the same created game. ## Why now This is required by the matchmaking API's client contract independent of the upcoming 2v2 work ("clients must already handle unexpected close → reconnect and rejoin"). The rest of the 2v2 integration is planned for the next version. ## Verification - Contained harness: 8/8 checks pass (join, 1006 reconnect+rejoin, 1008 rejoin with fresh token, assignment, replaced → message + no retry, intentional close → no retry/no message). - E2E harness against a local worker: 3/3 — both players matched into the same game, game created via checkin and joinable by both. - `npm test` (all 2,046 pass), `npx tsc --noEmit`, ESLint clean. 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
OpenFront.io is an online real-time strategy game focused on territorial control and alliance building. Players compete to expand their territory, build structures, and form strategic alliances in various maps based on real-world geography.
This is a fork/rewrite of WarFront.io. Credit to https://github.com/WarFrontIO.
License
OpenFront source code is licensed under the GNU Affero General Public License v3.0
Current copyright notices appear in:
- Footer: "© OpenFront and Contributors"
- Loading screen: "© OpenFront and Contributors"
Modified versions must preserve these notices in reasonably visible locations.
See the LICENSE for complete requirements.
For asset licensing, see LICENSE-ASSETS.
For license history, see LICENSING.md.
🌟 Features
- Real-time Strategy Gameplay: Expand your territory and engage in strategic battles
- Alliance System: Form alliances with other players for mutual defense
- Multiple Maps: Play across various geographical regions including Europe, Asia, Africa, and more
- Resource Management: Balance your expansion with defensive capabilities
- Cross-platform: Play in any modern web browser
📋 Prerequisites
- npm (v10.9.2 or higher)
- A modern web browser (Chrome, Firefox, Edge, etc.)
🚀 Installation
-
Clone the repository
git clone https://github.com/openfrontio/OpenFrontIO.git cd OpenFrontIO -
Install dependencies
npm run instDo NOT use
npm installnornpm ibut instead use ournpm run inst. It runs the safernpm ci --ignore-scriptsto install dependencies exactly according to the versions inpackage-lock.jsonand doesn't run scripts. This can prevent being hit by a supply chain attack.
🎮 Running the Game
Development Mode
Run both the client and server in development mode with live reloading:
npm run dev
This will:
- Start the webpack dev server for the client
- Launch the game server with development settings
- Open the game in your default browser (to disable this behavior, set
SKIP_BROWSER_OPEN=truein your environment)
Client Only
To run just the client with hot reloading:
npm run start:client
Server Only
To run just the server with development settings:
npm run start:server-dev
Connecting to staging or production backends
Sometimes it's useful to connect to production servers when replaying a game, testing user profiles, purchases, or login flow.
To replay a production game, make sure you're on the same commit that the game you want to replay was executed on, you can find the
gitCommitvalue viahttps://api.openfront.io/game/[gameId]. Unfinished games cannot be replayed on localhost.
To connect to staging api servers:
npm run dev:staging
To connect to production api servers:
npm run dev:prod
🛠️ Development Tools
-
Format code:
npm run format -
Lint code:
npm run lint -
Lint and fix code:
npm run lint:fix -
Testing
npm test
🏗️ Project Structure
/src/client- Frontend game client/src/core- Deterministic game simulation/src/server- Backend game server/resources- Static assets (images, maps, etc.)
🤝 Contributing
Contributions and translations are welcome! See CONTRIBUTING.md for the workflow, the approved-issue process, project governance, and translation info.