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import { serve, type CommandChild } from "./cli"
import { DEFAULT_SERVER_URL_KEY, WSL_ENABLED_KEY } from "./constants"
import { store } from "./store"
export type WslConfig = { enabled: boolean }
export type HealthCheck = { wait: Promise<void> }
export function getDefaultServerUrl(): string | null {
const value = store.get(DEFAULT_SERVER_URL_KEY)
return typeof value === "string" ? value : null
}
export function setDefaultServerUrl(url: string | null) {
if (url) {
store.set(DEFAULT_SERVER_URL_KEY, url)
return
}
store.delete(DEFAULT_SERVER_URL_KEY)
}
export function getWslConfig(): WslConfig {
const value = store.get(WSL_ENABLED_KEY)
return { enabled: typeof value === "boolean" ? value : false }
}
export function setWslConfig(config: WslConfig) {
store.set(WSL_ENABLED_KEY, config.enabled)
}
export function spawnLocalServer(hostname: string, port: number, password: string) {
const { child, exit, events } = serve(hostname, port, password)
const wait = (async () => {
const url = `http://${hostname}:${port}`
const ready = async () => {
while (true) {
await new Promise((resolve) => setTimeout(resolve, 100))
if (await checkHealth(url, password)) return
}
}
const terminated = async () => {
const payload = await exit
throw new Error(
`Sidecar terminated before becoming healthy (code=${payload.code ?? "unknown"} signal=${
payload.signal ?? "unknown"
})`,
)
}
await Promise.race([ready(), terminated()])
})()
return { child, health: { wait }, events }
}
export async function checkHealth(url: string, password?: string | null): Promise<boolean> {
let healthUrl: URL
try {
healthUrl = new URL("/global/health", url)
} catch {
return false
}
const headers = new Headers()
if (password) {
const auth = Buffer.from(`opencode:${password}`).toString("base64")
headers.set("authorization", `Basic ${auth}`)
}
try {
const res = await fetch(healthUrl, {
method: "GET",
headers,
signal: AbortSignal.timeout(3000),
})
return res.ok
} catch {
return false
}
}
export type { CommandChild }
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