chore: server-and-serverless template

packages/functions/.pikku/channel/pikku-channel-types.gen.ts

@@ -0,0 +1,177 @@
+/**
+ * This file was generated by @pikku/cli@0.12.48
+ */
+/**
+ * Channel-specific type definitions for tree-shaking optimization
+ */
+
+import { CoreChannel, CorePikkuChannelMiddleware, CorePikkuChannelMiddlewareFactory, wireChannel as wireChannelCore, defineChannelRoutes as defineChannelRoutesCore, addChannelMiddleware as addChannelMiddlewareCore } from '@pikku/core/channel'
+import { AssertHTTPWiringParams } from '@pikku/core/http'
+import type { PikkuFunctionConfig, PikkuFunctionSessionless, PikkuPermission, PikkuMiddleware, Services } from '../function/pikku-function-types.gen.js'
+import type { CorePermissionGroup } from '@pikku/core'
+import type { StandardSchemaV1 } from '@standard-schema/spec'
+
+/**
+ * Helper type to infer the output type from a Standard Schema
+ */
+type InferSchemaOutput<T> = T extends StandardSchemaV1<any, infer Output> ? Output : never
+
+/**
+ * Type definition for WebSocket channels with typed data exchange.
+ * Supports connection, disconnection, and message handling.
+ * Accepts both session-based (PikkuFunction) and sessionless (PikkuFunctionSessionless) functions.
+ *
+ * @template ChannelData - Type of data exchanged through the channel
+ * @template Channel - String literal type for the channel name
+ */
+type ChannelWiring<ChannelData, Channel extends string> = CoreChannel<
+  ChannelData,
+  Channel,
+  PikkuFunctionConfig<void, any, 'channel' | 'session' | 'rpc'>,
+  PikkuFunctionConfig<void, void, 'channel' | 'session' | 'rpc'>,
+  PikkuFunctionConfig<any, any, 'channel' | 'session' | 'rpc'>,
+  PikkuPermission,
+  PikkuMiddleware
+>
+
+/**
+ * Creates a function that handles WebSocket channel connections.
+ * Called when a client connects to a channel.
+ *
+ * @template Out - Output type for connection response
+ * @param func - Function definition, either direct function or configuration object
+ * @returns The normalized configuration object
+ */
+export const pikkuChannelConnectionFunc = <Out = unknown>(
+  func:
+    | PikkuFunctionSessionless<void, Out, 'channel' | 'session' | 'rpc'>
+    | PikkuFunctionConfig<void, Out, 'channel' | 'session' | 'rpc'>
+) => {
+  return typeof func === 'function' ? { func } : func
+}
+
+/**
+ * Creates a function that handles WebSocket channel disconnections.
+ * Called when a client disconnects from a channel.
+ *
+ * @param func - Function definition, either direct function or configuration object
+ * @returns The normalized configuration object
+ */
+export const pikkuChannelDisconnectionFunc = (
+  func:
+    | PikkuFunctionSessionless<void, void, 'channel'>
+    | PikkuFunctionConfig<void, void, 'channel' | 'session' | 'rpc'>
+) => {
+  return typeof func === 'function' ? { func } : func
+}
+
+/**
+ * Configuration object for channel functions with Zod schema validation.
+ */
+type PikkuChannelFuncConfigWithSchema<
+  InputSchema extends StandardSchemaV1,
+  OutputSchema extends StandardSchemaV1 | undefined = undefined
+> = {
+  name?: string
+  tags?: string[]
+  expose?: boolean
+  remote?: boolean
+  func: PikkuFunctionSessionless<
+    InferSchemaOutput<InputSchema>,
+    OutputSchema extends StandardSchemaV1 ? InferSchemaOutput<OutputSchema> : unknown,
+    'channel' | 'session' | 'rpc'
+  >
+  auth?: boolean
+  permissions?: CorePermissionGroup<PikkuPermission<InferSchemaOutput<InputSchema>>>
+  middleware?: PikkuMiddleware[]
+  input: InputSchema
+  output?: OutputSchema
+}
+
+/**
+ * Creates a function that handles WebSocket channel messages.
+ * Called when a message is received on a channel.
+ *
+ * Supports two patterns:
+ * 1. Generic types: `pikkuChannelFunc<Input, Output>({ func: ... })`
+ * 2. Zod schemas: `pikkuChannelFunc({ input: z.object(...), func: ... })`
+ *
+ * @template In - Input type for channel messages (inferred from schema if provided)
+ * @template Out - Output type for channel responses (inferred from schema if provided)
+ * @param func - Function definition, either direct function or configuration object
+ * @returns The normalized configuration object
+ *
+ * @example
+ * ```typescript
+ * // Pattern 1: Using generic types
+ * const handleMessage = pikkuChannelFunc<{text: string}, {received: boolean}>({
+ *   func: async (_services, { text }) => ({ received: true })
+ * })
+ *
+ * // Pattern 2: Using Zod schemas
+ * const messageInput = z.object({ text: z.string() })
+ * const messageOutput = z.object({ received: z.boolean() })
+ *
+ * const handleMessage = pikkuChannelFunc({
+ *   input: messageInput,
+ *   output: messageOutput,
+ *   func: async (_services, { text }) => ({ received: true })
+ * })
+ * ```
+ */
+export function pikkuChannelFunc<
+  InputSchema extends StandardSchemaV1,
+  OutputSchema extends StandardSchemaV1 | undefined = undefined
+>(
+  config: PikkuChannelFuncConfigWithSchema<InputSchema, OutputSchema>
+): PikkuFunctionConfig<InferSchemaOutput<InputSchema>, OutputSchema extends StandardSchemaV1 ? InferSchemaOutput<OutputSchema> : unknown, 'channel' | 'session' | 'rpc'>
+export function pikkuChannelFunc<In, Out = unknown>(
+  func:
+    | PikkuFunctionSessionless<In, Out, 'channel' | 'session' | 'rpc'>
+    | PikkuFunctionConfig<In, Out, 'channel' | 'session' | 'rpc'>
+): PikkuFunctionConfig<In, Out, 'channel' | 'session' | 'rpc'>
+export function pikkuChannelFunc(func: any) {
+  return typeof func === 'function' ? { func } : func
+}
+
+/**
+ * Registers a WebSocket channel with the Pikku framework.
+ *
+ * @template ChannelData - Type of data associated with the channel
+ * @template Channel - String literal type for the channel name
+ * @param channel - Channel definition with connection, disconnection, and message handlers
+ */
+export const wireChannel = <ChannelData, Channel extends string>(
+  channel: ChannelWiring<ChannelData, Channel> & AssertHTTPWiringParams<ChannelData, Channel>
+) => {
+  wireChannelCore(channel as any)
+}
+
+/**
+ * Type-safe helper for defining channel message routes that can be composed.
+ * Returns the routes record as-is for use with wireChannel's onMessageWiring.
+ *
+ * @template T - Record of channel route handlers
+ * @param routes - The channel routes record
+ * @returns The same routes record (identity function for type safety)
+ */
+export function defineChannelRoutes<T extends Record<string, any>>(routes: T): T {
+  return defineChannelRoutesCore(routes)
+}
+
+export type PikkuChannelMiddleware<RequiredServices extends Services = Services, Event = unknown> = CorePikkuChannelMiddleware<RequiredServices, Event>
+
+export const pikkuChannelMiddleware = <RequiredServices extends Services = Services, Event = unknown>(
+  middleware: PikkuChannelMiddleware<RequiredServices, Event>
+): PikkuChannelMiddleware<RequiredServices, Event> => {
+  return middleware
+}
+
+export const pikkuChannelMiddlewareFactory = <In = any>(
+  factory: CorePikkuChannelMiddlewareFactory<In>
+): CorePikkuChannelMiddlewareFactory<In> => {
+  return factory
+}
+
+export const addChannelMiddleware = (tag: string, middleware: PikkuChannelMiddleware[]) =>
+  addChannelMiddlewareCore(tag, middleware, null)