Updates

state-crdts/hyper-p2p-reactive-state/examples/basic-usage.js

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+/**
+ * Basic usage example for hyper-p2p-reactive-state
+ * Run with: bare examples/basic-usage.js
+ */
+
+const process = require('bare-process')
+const { HyperP2PReactiveState } = require('../index.js')
+
+async function main () {
+  const topic = 'example-reactive-state-' + Date.now()
+
+  const state = new HyperP2PReactiveState({
+    topic,
+    metadata: { role: 'example', version: '0.1.0' }
+  })
+
+  state.on('ready', () => console.log('✅ State manager ready'))
+  state.on('change', (change) => {
+    console.log(`🔄 Change: ${change.key} = ${JSON.stringify(change.value)} (by ${change.peer})`)
+  })
+  state.on('peer-connected', (p) => console.log('👥 Peer connected:', p.peer))
+
+  await state.ready()
+
+  // Set some reactive state
+  await state.set('game:score', 1250)
+  await state.set('game:player', { name: 'Agent', xp: 3400 })
+  await state.set('config:theme', 'cyberpunk')
+
+  console.log('Current state:', state.toJSON())
+
+  // Query example
+  const gameKeys = state.query({ keyPrefix: 'game:' })
+  console.log('Game related:', gameKeys.length, 'entries')
+
+  // Subscribe example
+  const unsub = state.subscribe(['config:theme', 'game:score'], (c) => {
+    console.log('📡 Subscribed update:', c)
+  })
+
+  await state.set('config:theme', 'neon')
+  await state.delete('game:score')
+
+  unsub()
+
+  console.log('Peers:', state.getPeers().length)
+
+  // Simulate shutdown
+  setTimeout(async () => {
+    await state.close()
+    console.log('✅ Closed gracefully')
+    process.exit(0)
+  }, 2000)
+}
+
+main().catch(console.error)