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feat(a2ui): stream protocol messages in playground #2709
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Merged
Sherry-hue
merged 6 commits into
lynx-family:main
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Sherry-hue:feat/a2ui-protocol-streaming
May 27, 2026
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e616902
feat(a2ui): stream protocol messages in playground
Sherry-hue 261e2b2
fix(a2ui): stabilize preview replay and images
Sherry-hue 62329c2
fix(a2ui): address streaming review feedback
Sherry-hue ab7246b
fix(a2ui): restore fresh stream loading placeholders
Sherry-hue 84044f0
fix(a2ui): refresh column children during streaming
Sherry-hue dc6f009
fix(a2ui): stream protocol message deltas
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55 changes: 55 additions & 0 deletions
55
packages/genui/a2ui-playground/src/components/CopyToast.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // Copyright 2026 The Lynx Authors. All rights reserved. | ||
| // Licensed under the Apache License Version 2.0 that can be found in the | ||
| // LICENSE file in the root directory of this source tree. | ||
| import { useCallback, useEffect, useRef, useState } from 'react'; | ||
|
|
||
| interface CopyToastState { | ||
| message: string; | ||
| tone: 'success' | 'error'; | ||
| id: number; | ||
| } | ||
|
|
||
| export function useCopyToast(timeoutMs = 1400) { | ||
| const [toast, setToast] = useState<CopyToastState | null>(null); | ||
| const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null); | ||
|
|
||
| const showCopyToast = useCallback( | ||
| (ok: boolean) => { | ||
| if (timeoutRef.current) { | ||
| window.clearTimeout(timeoutRef.current); | ||
| } | ||
| setToast({ | ||
| id: Date.now(), | ||
| message: ok ? 'Copy succeeded' : 'Copy failed', | ||
| tone: ok ? 'success' : 'error', | ||
| }); | ||
| timeoutRef.current = window.setTimeout(() => { | ||
| setToast(null); | ||
| timeoutRef.current = null; | ||
| }, timeoutMs); | ||
| }, | ||
| [timeoutMs], | ||
| ); | ||
|
|
||
| useEffect(() => { | ||
| return () => { | ||
| if (timeoutRef.current) { | ||
| window.clearTimeout(timeoutRef.current); | ||
| } | ||
| }; | ||
| }, []); | ||
|
|
||
| return { toast, showCopyToast }; | ||
| } | ||
|
|
||
| export function CopyToast(props: { toast: CopyToastState | null }) { | ||
| const { toast } = props; | ||
| if (!toast) return null; | ||
| return ( | ||
| <div className='copyToastViewport' role='status' aria-live='polite'> | ||
| <div className={`copyToast copyToast-${toast.tone}`} key={toast.id}> | ||
| {toast.message} | ||
| </div> | ||
| </div> | ||
| ); | ||
| } |
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