summaryrefslogtreecommitdiffhomepage
path: root/packages/app/src/context/global-sdk.tsx
blob: 346657e2fb614ca8635f00e2d1f416167fe0580f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
import { createOpencodeClient, type Event } from "@opencode-ai/sdk/v2/client"
import { createSimpleContext } from "@opencode-ai/ui/context"
import { createGlobalEmitter } from "@solid-primitives/event-bus"
import { batch, onCleanup } from "solid-js"
import { usePlatform } from "./platform"
import { useServer } from "./server"

export const { use: useGlobalSDK, provider: GlobalSDKProvider } = createSimpleContext({
  name: "GlobalSDK",
  init: () => {
    const server = useServer()
    const platform = usePlatform()
    const abort = new AbortController()

    const password = typeof window === "undefined" ? undefined : window.__OPENCODE__?.serverPassword

    const auth = (() => {
      if (!password) return
      if (!server.isLocal()) return
      return {
        Authorization: `Basic ${btoa(`opencode:${password}`)}`,
      }
    })()

    const eventFetch = (() => {
      if (!platform.fetch) return
      try {
        const url = new URL(server.url)
        const loopback = url.hostname === "localhost" || url.hostname === "127.0.0.1" || url.hostname === "::1"
        if (url.protocol === "http:" && !loopback) return platform.fetch
      } catch {
        return
      }
    })()

    const eventSdk = createOpencodeClient({
      baseUrl: server.url,
      signal: abort.signal,
      fetch: eventFetch,
      headers: eventFetch ? undefined : auth,
    })
    const emitter = createGlobalEmitter<{
      [key: string]: Event
    }>()

    type Queued = { directory: string; payload: Event }
    const FLUSH_FRAME_MS = 16
    const STREAM_YIELD_MS = 8

    let queue: Queued[] = []
    let buffer: Queued[] = []
    const coalesced = new Map<string, number>()
    let timer: ReturnType<typeof setTimeout> | undefined
    let last = 0

    const key = (directory: string, payload: Event) => {
      if (payload.type === "session.status") return `session.status:${directory}:${payload.properties.sessionID}`
      if (payload.type === "lsp.updated") return `lsp.updated:${directory}`
      if (payload.type === "message.part.updated") {
        const part = payload.properties.part
        return `message.part.updated:${directory}:${part.messageID}:${part.id}`
      }
    }

    const flush = () => {
      if (timer) clearTimeout(timer)
      timer = undefined

      if (queue.length === 0) return

      const events = queue
      queue = buffer
      buffer = events
      queue.length = 0
      coalesced.clear()

      last = Date.now()
      batch(() => {
        for (const event of events) {
          emitter.emit(event.directory, event.payload)
        }
      })

      buffer.length = 0
    }

    const schedule = () => {
      if (timer) return
      const elapsed = Date.now() - last
      timer = setTimeout(flush, Math.max(0, FLUSH_FRAME_MS - elapsed))
    }

    let streamErrorLogged = false

    void (async () => {
      const events = await eventSdk.global.event({
        onSseError: (error) => {
          if (streamErrorLogged) return
          streamErrorLogged = true
          console.error("[global-sdk] event stream error", {
            url: server.url,
            fetch: eventFetch ? "platform" : "webview",
            error,
          })
        },
      })
      let yielded = Date.now()
      for await (const event of events.stream) {
        const directory = event.directory ?? "global"
        const payload = event.payload
        const k = key(directory, payload)
        if (k) {
          const i = coalesced.get(k)
          if (i !== undefined) {
            queue[i] = { directory, payload }
            continue
          }
          coalesced.set(k, queue.length)
        }
        queue.push({ directory, payload })
        schedule()

        if (Date.now() - yielded < STREAM_YIELD_MS) continue
        yielded = Date.now()
        await new Promise<void>((resolve) => setTimeout(resolve, 0))
      }
    })()
      .finally(flush)
      .catch((error) => {
        if (streamErrorLogged) return
        streamErrorLogged = true
        console.error("[global-sdk] event stream failed", {
          url: server.url,
          fetch: eventFetch ? "platform" : "webview",
          error,
        })
      })

    onCleanup(() => {
      abort.abort()
      flush()
    })

    const sdk = createOpencodeClient({
      baseUrl: server.url,
      fetch: platform.fetch,
      throwOnError: true,
    })

    return { url: server.url, client: sdk, event: emitter }
  },
})