@doot-games/core

Pub/sub bus and persisted settings. No DOM, no audio. These are the seams the rest of the workspace talks through.

API

createBus()

Returns a synchronous event bus.

• on(event, fn) subscribes and returns an unsubscribe function.
• once(event, fn) subscribes for a single emit.
• emit(event, data) calls every handler. A handler that throws is caught and logged so it cannot break the emit.

createSettings({ key, defaults, storage })

Persisted key/value settings. storage defaults to localStorage when present and is otherwise a no-op, so it is safe in tests and workers.

• all() returns a copy of the current state.
• get(key) reads one value.
• set(key, value) writes, persists, and notifies change listeners.
• reset() restores defaults.
• onChange(fn) subscribes to changes and returns an unsubscribe function.

Example

import { createBus, createSettings } from '@doot-games/core';

const bus = createBus();
const settings = createSettings({ defaults: { speed: 2.4, offsetMs: 0 } });

bus.on('judge', (j) => console.log(j.type));
settings.set('speed', 3.0);