chore: refactoring and tests, splitting up files (#12495)

packages/app/src/utils/server-health.ts

@@ -0,0 +1,29 @@
+import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
+
+export type ServerHealth = { healthy: boolean; version?: string }
+
+interface CheckServerHealthOptions {
+  timeoutMs?: number
+  signal?: AbortSignal
+}
+
+function timeoutSignal(timeoutMs: number) {
+  return (AbortSignal as unknown as { timeout?: (ms: number) => AbortSignal }).timeout?.(timeoutMs)
+}
+
+export async function checkServerHealth(
+  url: string,
+  fetch: typeof globalThis.fetch,
+  opts?: CheckServerHealthOptions,
+): Promise<ServerHealth> {
+  const signal = opts?.signal ?? timeoutSignal(opts?.timeoutMs ?? 3000)
+  const sdk = createOpencodeClient({
+    baseUrl: url,
+    fetch,
+    signal,
+  })
+  return sdk.global
+    .health()
+    .then((x) => ({ healthy: x.data?.healthy === true, version: x.data?.version }))
+    .catch(() => ({ healthy: false }))
+}