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fix(presenter): replace crypto.subtle with simple hash for HTTP compatibility

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crypto.subtle requires HTTPS context. Use simple string hash instead.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Benjamin Admin
2026-03-20 12:42:53 +01:00
parent aece5f7414
commit eb263ce7a4
1 changed files with 10 additions and 7 deletions
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17
pitch-deck/lib/hooks/usePresenterMode.ts
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@@ -31,14 +31,17 @@ interface UsePresenterModeReturn {
setTtsEnabled: (enabled: boolean) => void setTtsEnabled: (enabled: boolean) => void
} }
// Client-side audio cache: text hash → blob URL // Client-side audio cache: text key → blob URL
const audioCache = new Map<string, string>() const audioCache = new Map<string, string>()
async function hashText(text: string): Promise<string> { function cacheKey(text: string, lang: string): string {
const encoder = new TextEncoder() // Simple string hash — no crypto.subtle needed (works on HTTP too)
const data = encoder.encode(text) let hash = 0
const hash = await crypto.subtle.digest('SHA-256', data) const str = text + '|' + lang
return Array.from(new Uint8Array(hash)).slice(0, 8).map(b => b.toString(16).padStart(2, '0')).join('') for (let i = 0; i < str.length; i++) {
hash = ((hash << 5) - hash + str.charCodeAt(i)) | 0
}
return 'tts_' + (hash >>> 0).toString(36)
} }
export function usePresenterMode({ export function usePresenterMode({
@@ -162,7 +165,7 @@ export function usePresenterMode({
const playAudio = async () => { const playAudio = async () => {
try { try {
const key = await hashText(text + language) const key = cacheKey(text, language)
let blobUrl = audioCache.get(key) let blobUrl = audioCache.get(key)
if (!blobUrl) { if (!blobUrl) {