KoalaDev
9f4be58172
Step 2 of host control mode (server-side, fully testable without UI):
- Room now tracks hostPeerId (= first joiner) and controlMode ('everyone' default).
- ROOM_DATA carries hostPeerId + controlMode so clients know their role on join.
- SET_CONTROL_MODE handler: host-only authority check, broadcasts CONTROL_MODE.
- Relay gate: in host-only mode, drop room-moving events (play/pause/seek/
force-sync/episode-lobby) from non-host guests — robust chokepoint that kills
spam regardless of client. Heartbeats/ACKs/episode-ready still pass.
- removePeerFromRoom: if the host leaves, fall back to 'everyone' and reassign
host to the earliest remaining peer (v1: immediate, no grace period).
Extends the WS integration test suite to cover all of the above.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Development Scripts
This directory contains utility scripts for the KoalaSync development workflow.
build-extension.cjs
The primary build tool for KoalaSync. This Node.js script automates two critical tasks:
- Protocol Synchronization: Copies the "Single Source of Truth" constants (
shared/constants.js) and the domain blacklist (shared/blacklist.js) from the root/shareddirectory into theextension/shared/directory. - Content Script Injection: Injects protocol constants directly into
content.jsusing marker-based replacement. This is necessary becausecontent.jsexecutes synchronously and cannot use ES module imports. - Artifact Generation: Compiles the extension into browser-specific bundles for Chrome and Firefox, located in the
dist/directory.
Usage
From the repository root, run:
node scripts/build-extension.cjs
Why this script exists
KoalaSync uses Vanilla JS in the extension to maintain zero runtime dependencies and maximum privacy. Since we don't use a bundler (like Webpack or Vite) inside the extension, this script serves as our lightweight "pre-build" step to ensure that the protocol constants remain synchronized between the extension and the relay server.
Content Injection Markers
The build script uses marker comments in content.js to locate and replace constant blocks:
| Marker Pair | Injected Value | Source |
|---|---|---|
SHARED_EVENTS_INJECT_START / END |
The full EVENTS object |
shared/constants.js |
SHARED_HEARTBEAT_INJECT_START / END |
HEARTBEAT_INTERVAL value |
shared/constants.js |
⚠️ Do NOT remove or modify these marker comments in
content.js. They are required for the build script to function. If the markers are missing, the build will fail with a clear error message.