Files
opencode/cloud/app/src/routes/zen/v1/messages.ts
2025-09-12 11:57:14 -04:00

62 lines
1.7 KiB
TypeScript

import type { APIEvent } from "@solidjs/start/server"
import { handler } from "~/util/zen"
type Usage = {
cache_creation?: {
ephemeral_5m_input_tokens?: number
ephemeral_1h_input_tokens?: number
}
cache_creation_input_tokens?: number
cache_read_input_tokens?: number
input_tokens?: number
output_tokens?: number
server_tool_use?: {
web_search_requests?: number
}
}
export function POST(input: APIEvent) {
let usage: Usage
return handler(input, {
modifyBody: (body: any) => ({
...body,
service_tier: "standard_only",
}),
setAuthHeader: (headers: Headers, apiKey: string) => headers.set("x-api-key", apiKey),
parseApiKey: (headers: Headers) => headers.get("x-api-key") ?? undefined,
onStreamPart: (chunk: string) => {
const data = chunk.split("\n")[1]
if (!data.startsWith("data: ")) return
let json
try {
json = JSON.parse(data.slice(6)) as { usage?: Usage }
} catch (e) {
return
}
if (!json.usage) return
usage = {
...usage,
...json.usage,
cache_creation: {
...usage?.cache_creation,
...json.usage.cache_creation,
},
server_tool_use: {
...usage?.server_tool_use,
...json.usage.server_tool_use,
},
}
},
getStreamUsage: () => usage,
normalizeUsage: (usage: Usage) => ({
inputTokens: usage.input_tokens ?? 0,
outputTokens: usage.output_tokens ?? 0,
cacheReadTokens: usage.cache_read_input_tokens ?? undefined,
cacheWrite5mTokens: usage.cache_creation?.ephemeral_5m_input_tokens ?? undefined,
cacheWrite1hTokens: usage.cache_creation?.ephemeral_1h_input_tokens ?? undefined,
}),
})
}