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fix(proxy): crash on streaming — Buffer/String + [DONE] ordering #2

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fix(proxy): crash on streaming — Buffer/String + [DONE] ordering #2

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6 changes: 3 additions & 3 deletions proxy/proxy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,8 @@ function createStreamParser(sessionId, onComplete) {
const line = event.event ? `event: ${event.event}\ndata: ${event.data}\n\n` : `data: ${event.data}\n\n`
chunks.push(line)

if (!event.data || event.data === '[DONE]') return

if (event.event === 'done' || JSON.parse(event.data || '{}')?.choices?.[0]?.finish_reason) {
if (reasoningBuffer) {
onComplete(assistantIndex, reasoningBuffer)
Expand All @@ -198,8 +200,6 @@ function createStreamParser(sessionId, onComplete) {
return
}

if (!event.data || event.data === '[DONE]') return

try {
const parsed = JSON.parse(event.data)
const delta = parsed.choices?.[0]?.delta
Expand All @@ -222,7 +222,7 @@ function createStreamParser(sessionId, onComplete) {
return {
feed(chunk) {
chunks.length = 0
parser.feed(chunk)
parser.feed(typeof chunk === 'string' ? chunk : chunk.toString('utf8'))
return chunks.join('')
},
flush() {
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