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Improve handling of streamed data in chat #64

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merged 1 commit into from
Jun 30, 2024
Merged

Improve handling of streamed data in chat #64

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18 changes: 11 additions & 7 deletions frontend/src/components/Teams/ChatTeam.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -299,17 +299,21 @@ const ChatTeam = () => {
const reader = res.body.getReader()
let done = false
let buffer = "" // Buffer to accumulate chunks
const textDecoder = new TextDecoder()

while (!done) {
const { done: streamDone, value } = await reader.read()
done = streamDone
if (!done) {
buffer = new TextDecoder().decode(value)
const chunks = buffer.split("\n\n")
for (const chunk of chunks) {
if (chunk === "") continue
// Extract and parse the complete JSON string
const jsonStr = chunk.trim().slice(6) // Remove 'data: ' prefix
if (done) continue

buffer += textDecoder.decode(value, { stream: true })

const lines = buffer.split("\n")
buffer = lines.pop() || "" // Keep the last incomplete line in the buffer

for (const line of lines) {
if (line.startsWith("data: ")) {
const jsonStr = line.slice(6).trim() // Remove 'data: ' prefix
try {
const parsed = JSON.parse(jsonStr)
const newMessages: Message[] = []
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