This commit is contained in:
Frank
2026-01-16 10:40:22 -05:00
parent d510bd52a4
commit ea8ef37d50

View File

@@ -64,23 +64,21 @@ export const anthropicHelper: ProviderHelper = ({ reqModel, providerModel }) =>
newBuffer.set(value, buffer.length)
buffer = newBuffer
if (buffer.length < 4) return
// The first 4 bytes are the total length (big-endian).
const totalLength = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength).getUint32(0, false)
const messages = []
// If we don't have the full message yet, wait for more chunks.
if (buffer.length < totalLength) return
while (buffer.length >= 4) {
// first 4 bytes are the total length (big-endian)
const totalLength = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength).getUint32(0, false)
try {
// Decode exactly the sub-slice for this event.
const subView = buffer.subarray(0, totalLength)
const decoded = codec.decode(subView)
// wait for more chunks
if (buffer.length < totalLength) break
// Slice the used bytes out of the buffer, removing this message.
buffer = buffer.slice(totalLength)
try {
const subView = buffer.subarray(0, totalLength)
const decoded = codec.decode(subView)
buffer = buffer.slice(totalLength)
// Process message
/* Example of Bedrock data
/* Example of Bedrock data
```
{
bytes: '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',
@@ -112,22 +110,28 @@ export const anthropicHelper: ProviderHelper = ({ reqModel, providerModel }) =>
```
*/
/* Example of Anthropic data
/* Example of Anthropic data
```
event: message_delta
data: {"type":"message_start","message":{"model":"claude-opus-4-5-20251101","id":"msg_01ETvwVWSKULxzPdkQ1xAnk2","type":"message","role":"assistant","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":11543,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":11543,"ephemeral_1h_input_tokens":0},"output_tokens":1,"service_tier":"standard"}}}
```
*/
if (decoded.headers[":message-type"]?.value !== "event") return
const data = decoder.decode(decoded.body, { stream: true })
if (decoded.headers[":message-type"]?.value === "event") {
const data = decoder.decode(decoded.body, { stream: true })
const parsedDataResult = JSON.parse(data)
delete parsedDataResult.p
const utf8 = atob(parsedDataResult.bytes)
return encoder.encode(["event: message_start", "\n", "data: " + utf8, "\n\n"].join(""))
} catch (e) {
console.log(e)
const parsedDataResult = JSON.parse(data)
delete parsedDataResult.p
const bytes = atob(parsedDataResult.bytes)
const eventName = JSON.parse(bytes).type
messages.push([`event: ${eventName}`, "\n", `data: ${bytes}`, "\n\n"].join(""))
}
} catch (e) {
console.log("@@@EE@@@")
console.log(e)
break
}
}
return encoder.encode(messages.join(""))
}
},
streamSeparator: "\n\n",