rename bus

packages/opencode/src/bus/bus-event.ts

@@ -0,0 +1,43 @@
+import z from "zod"
+import type { ZodType } from "zod"
+import { Log } from "../util/log"
+
+export namespace BusEvent {
+  const log = Log.create({ service: "event" })
+
+  export type Definition = ReturnType<typeof define>
+
+  const registry = new Map<string, Definition>()
+
+  export function define<Type extends string, Properties extends ZodType>(type: Type, properties: Properties) {
+    const result = {
+      type,
+      properties,
+    }
+    registry.set(type, result)
+    return result
+  }
+
+  export function payloads() {
+    return z
+      .discriminatedUnion(
+        "type",
+        registry
+          .entries()
+          .map(([type, def]) => {
+            return z
+              .object({
+                type: z.literal(type),
+                properties: def.properties,
+              })
+              .meta({
+                ref: "Event" + "." + def.type,
+              })
+          })
+          .toArray() as any,
+      )
+      .meta({
+        ref: "Event",
+      })
+  }
+}