tui plugins (#19347)

packages/opencode/src/cli/cmd/tui/plugin/slots.tsx

@@ -0,0 +1,61 @@
+import { type SlotMode, type TuiPluginApi, type TuiSlotContext, type TuiSlotMap } from "@opencode-ai/plugin/tui"
+import { createSlot, createSolidSlotRegistry, type JSX, type SolidPlugin } from "@opentui/solid"
+import { isRecord } from "@/util/record"
+
+type SlotProps<K extends keyof TuiSlotMap> = {
+  name: K
+  mode?: SlotMode
+  children?: JSX.Element
+} & TuiSlotMap[K]
+
+type Slot = <K extends keyof TuiSlotMap>(props: SlotProps<K>) => JSX.Element | null
+export type HostSlotPlugin = SolidPlugin<TuiSlotMap, TuiSlotContext>
+
+export type HostPluginApi = TuiPluginApi
+export type HostSlots = {
+  register: (plugin: HostSlotPlugin) => () => void
+}
+
+function empty<K extends keyof TuiSlotMap>(_props: SlotProps<K>) {
+  return null
+}
+
+let view: Slot = empty
+
+export const Slot: Slot = (props) => view(props)
+
+function isHostSlotPlugin(value: unknown): value is HostSlotPlugin {
+  if (!isRecord(value)) return false
+  if (typeof value.id !== "string") return false
+  if (!isRecord(value.slots)) return false
+  return true
+}
+
+export function setupSlots(api: HostPluginApi): HostSlots {
+  const reg = createSolidSlotRegistry<TuiSlotMap, TuiSlotContext>(
+    api.renderer,
+    {
+      theme: api.theme,
+    },
+    {
+      onPluginError(event) {
+        console.error("[tui.slot] plugin error", {
+          plugin: event.pluginId,
+          slot: event.slot,
+          phase: event.phase,
+          source: event.source,
+          message: event.error.message,
+        })
+      },
+    },
+  )
+
+  const slot = createSlot<TuiSlotMap, TuiSlotContext>(reg)
+  view = (props) => slot(props)
+  return {
+    register(plugin) {
+      if (!isHostSlotPlugin(plugin)) return () => {}
+      return reg.register(plugin)
+    },
+  }
+}