From 958437f9180e8725b67f14cc3b18b14022aa0939 Mon Sep 17 00:00:00 2001
From: Makito <i@maki.to>
Date: Mon, 1 Dec 2025 05:14:28 +0900
Subject: [PATCH] chore(stage-ui): remove unused beat-sync store

---
 packages/stage-ui/src/stores/beat-sync.ts | 138 ----------------------
 1 file changed, 138 deletions(-)
 delete mode 100644 packages/stage-ui/src/stores/beat-sync.ts

diff --git a/packages/stage-ui/src/stores/beat-sync.ts b/packages/stage-ui/src/stores/beat-sync.ts
deleted file mode 100644
index 4b4ba041d..000000000
--- a/packages/stage-ui/src/stores/beat-sync.ts
+++ /dev/null
@@ -1,138 +0,0 @@
-import type { Analyser, AnalyserListeners, AnalyserWorkletParameters } from '@nekopaw/tempora'
-
-import analyserWorklet from '@nekopaw/tempora/worklet?url'
-
-import { startAnalyser as startTemporaAnalyser } from '@nekopaw/tempora'
-import { defineStore } from 'pinia'
-import { readonly, ref, shallowRef } from 'vue'
-
-export type BeatSyncEvent = 'beat'
-
-export interface BeatSyncEventCallbacks {
-  beat: Required<AnalyserListeners>['onBeat']
-}
-
-export const useBeatSyncStore = defineStore('beat-sync', () => {
-  const context = shallowRef<AudioContext>()
-  const analyser = shallowRef<Analyser>()
-  const source = shallowRef<AudioNode>()
-  const isActive = ref(false)
-
-  let stopSource: (() => void) | undefined
-
-  const onBeatListeners: Array<Required<AnalyserListeners>['onBeat']> = []
-
-  const stop = () => {
-    if (!isActive.value)
-      return
-
-    isActive.value = false
-    stopSource?.()
-    stopSource = undefined
-
-    source.value?.disconnect()
-    source.value = undefined
-
-    analyser.value?.stop()
-    analyser.value = undefined
-
-    context.value?.close()
-    context.value = undefined
-  }
-
-  const start = async (createSource: (context: AudioContext) => Promise<AudioNode>) => {
-    stop()
-
-    context.value = new AudioContext()
-    analyser.value = await startTemporaAnalyser({
-      context: context.value,
-      worklet: analyserWorklet,
-      listeners: {
-        onBeat: (...args) => {
-          onBeatListeners.forEach(listener => listener(...args))
-        },
-      },
-    })
-
-    const node = await createSource(context.value)
-    node.connect(analyser.value.workletNode)
-    source.value = node
-
-    isActive.value = true
-  }
-
-  const updateParameters = (params: Partial<AnalyserWorkletParameters>) => {
-    analyser.value?.updateParameters(params)
-  }
-
-  const startFromScreenCapture = async () => start(async (context) => {
-    const stream = await navigator.mediaDevices.getDisplayMedia({
-      audio: {
-        echoCancellation: false,
-        noiseSuppression: false,
-        autoGainControl: false,
-      },
-      video: true,
-    })
-
-    if (stream.getAudioTracks().length === 0) {
-      throw new Error('No audio track available in the stream')
-    }
-
-    stream.getAudioTracks().forEach((track) => {
-      let stopCalled = false
-      track.addEventListener('ended', () => {
-        if (stopCalled)
-          return
-
-        stopCalled = true
-        stop()
-      })
-    })
-
-    const node = context.createMediaStreamSource(stream)
-    stopSource = () => {
-      stream.getTracks().forEach(track => track.stop())
-    }
-
-    return node
-  })
-
-  const on = <E extends BeatSyncEvent>(event: E, callback: BeatSyncEventCallbacks[E]) => {
-    switch (event) {
-      case 'beat':
-        onBeatListeners.push(callback)
-        break
-      default:
-        throw new Error(`Unknown event: ${event}`)
-    }
-  }
-
-  const off = <E extends BeatSyncEvent>(event: E, callback: BeatSyncEventCallbacks[E]) => {
-    switch (event) {
-      case 'beat': {
-        const index = onBeatListeners.indexOf(callback)
-        if (index !== -1)
-          onBeatListeners.splice(index, 1)
-        break
-      }
-      default:
-        throw new Error(`Unknown event: ${event}`)
-    }
-  }
-
-  return {
-    start,
-    updateParameters,
-    startFromScreenCapture,
-    stop,
-    on,
-    off,
-
-    isActive: readonly(isActive),
-
-    context: readonly(context),
-    analyser: readonly(analyser),
-    source: readonly(source),
-  }
-})