sdk update

1 files changed, 210 insertions, 0 deletions

diff --git a/packages/sdk/js/src/gen/core/serverSentEvents.gen.ts b/packages/sdk/js/src/gen/core/serverSentEvents.gen.ts
new file mode 100644
index 000000000..8f7fac549
--- /dev/null
+++ b/packages/sdk/js/src/gen/core/serverSentEvents.gen.ts
@@ -0,0 +1,210 @@
+// This file is auto-generated by @hey-api/openapi-ts
+
+import type { Config } from "./types.gen.js"
+
+export type ServerSentEventsOptions<TData = unknown> = Omit<RequestInit, "method"> &
+  Pick<Config, "method" | "responseTransformer" | "responseValidator"> & {
+    /**
+     * Callback invoked when a network or parsing error occurs during streaming.
+     *
+     * This option applies only if the endpoint returns a stream of events.
+     *
+     * @param error The error that occurred.
+     */
+    onSseError?: (error: unknown) => void
+    /**
+     * Callback invoked when an event is streamed from the server.
+     *
+     * This option applies only if the endpoint returns a stream of events.
+     *
+     * @param event Event streamed from the server.
+     * @returns Nothing (void).
+     */
+    onSseEvent?: (event: StreamEvent<TData>) => void
+    /**
+     * Default retry delay in milliseconds.
+     *
+     * This option applies only if the endpoint returns a stream of events.
+     *
+     * @default 3000
+     */
+    sseDefaultRetryDelay?: number
+    /**
+     * Maximum number of retry attempts before giving up.
+     */
+    sseMaxRetryAttempts?: number
+    /**
+     * Maximum retry delay in milliseconds.
+     *
+     * Applies only when exponential backoff is used.
+     *
+     * This option applies only if the endpoint returns a stream of events.
+     *
+     * @default 30000
+     */
+    sseMaxRetryDelay?: number
+    /**
+     * Optional sleep function for retry backoff.
+     *
+     * Defaults to using `setTimeout`.
+     */
+    sseSleepFn?: (ms: number) => Promise<void>
+    url: string
+  }
+
+export interface StreamEvent<TData = unknown> {
+  data: TData
+  event?: string
+  id?: string
+  retry?: number
+}
+
+export type ServerSentEventsResult<TData = unknown, TReturn = void, TNext = unknown> = {
+  stream: AsyncGenerator<TData extends Record<string, unknown> ? TData[keyof TData] : TData, TReturn, TNext>
+}
+
+export const createSseClient = <TData = unknown>({
+  onSseError,
+  onSseEvent,
+  responseTransformer,
+  responseValidator,
+  sseDefaultRetryDelay,
+  sseMaxRetryAttempts,
+  sseMaxRetryDelay,
+  sseSleepFn,
+  url,
+  ...options
+}: ServerSentEventsOptions): ServerSentEventsResult<TData> => {
+  let lastEventId: string | undefined
+
+  const sleep = sseSleepFn ?? ((ms: number) => new Promise((resolve) => setTimeout(resolve, ms)))
+
+  const createStream = async function* () {
+    let retryDelay: number = sseDefaultRetryDelay ?? 3000
+    let attempt = 0
+    const signal = options.signal ?? new AbortController().signal
+
+    while (true) {
+      if (signal.aborted) break
+
+      attempt++
+
+      const headers =
+        options.headers instanceof Headers
+          ? options.headers
+          : new Headers(options.headers as Record<string, string> | undefined)
+
+      if (lastEventId !== undefined) {
+        headers.set("Last-Event-ID", lastEventId)
+      }
+
+      try {
+        const response = await fetch(url, { ...options, headers, signal })
+
+        if (!response.ok) throw new Error(`SSE failed: ${response.status} ${response.statusText}`)
+
+        if (!response.body) throw new Error("No body in SSE response")
+
+        const reader = response.body.pipeThrough(new TextDecoderStream()).getReader()
+
+        let buffer = ""
+
+        const abortHandler = () => {
+          try {
+            reader.cancel()
+          } catch {
+            // noop
+          }
+        }
+
+        signal.addEventListener("abort", abortHandler)
+
+        try {
+          while (true) {
+            const { done, value } = await reader.read()
+            if (done) break
+            buffer += value
+
+            const chunks = buffer.split("\n\n")
+            buffer = chunks.pop() ?? ""
+
+            for (const chunk of chunks) {
+              const lines = chunk.split("\n")
+              const dataLines: Array<string> = []
+              let eventName: string | undefined
+
+              for (const line of lines) {
+                if (line.startsWith("data:")) {
+                  dataLines.push(line.replace(/^data:\s*/, ""))
+                } else if (line.startsWith("event:")) {
+                  eventName = line.replace(/^event:\s*/, "")
+                } else if (line.startsWith("id:")) {
+                  lastEventId = line.replace(/^id:\s*/, "")
+                } else if (line.startsWith("retry:")) {
+                  const parsed = Number.parseInt(line.replace(/^retry:\s*/, ""), 10)
+                  if (!Number.isNaN(parsed)) {
+                    retryDelay = parsed
+                  }
+                }
+              }
+
+              let data: unknown
+              let parsedJson = false
+
+              if (dataLines.length) {
+                const rawData = dataLines.join("\n")
+                try {
+                  data = JSON.parse(rawData)
+                  parsedJson = true
+                } catch {
+                  data = rawData
+                }
+              }
+
+              if (parsedJson) {
+                if (responseValidator) {
+                  await responseValidator(data)
+                }
+
+                if (responseTransformer) {
+                  data = await responseTransformer(data)
+                }
+              }
+
+              onSseEvent?.({
+                data,
+                event: eventName,
+                id: lastEventId,
+                retry: retryDelay,
+              })
+
+              if (dataLines.length) {
+                yield data as any
+              }
+            }
+          }
+        } finally {
+          signal.removeEventListener("abort", abortHandler)
+          reader.releaseLock()
+        }
+
+        break // exit loop on normal completion
+      } catch (error) {
+        // connection failed or aborted; retry after delay
+        onSseError?.(error)
+
+        if (sseMaxRetryAttempts !== undefined && attempt >= sseMaxRetryAttempts) {
+          break // stop after firing error
+        }
+
+        // exponential backoff: double retry each attempt, cap at 30s
+        const backoff = Math.min(retryDelay * 2 ** (attempt - 1), sseMaxRetryDelay ?? 30000)
+        await sleep(backoff)
+      }
+    }
+  }
+
+  const stream = createStream()
+
+  return { stream }
+}