Add bindings types

Author: max-lt

README.md

@@ -39,3 +39,4 @@ Or use a triple-slash directive:
 - `types/abort.d.ts` - AbortController, AbortSignal
 - `types/blob.d.ts` - Blob, File, FormData
 - `types/workers.d.ts` - ExecutionContext, ScheduledEvent, ExportedHandler
+- `types/bindings.d.ts` - BindingAssets, BindingStorage, BindingKV, BindingDatabase, BindingWorker

index.d.ts

@@ -11,3 +11,4 @@
 /// <reference path="./types/console.d.ts" />
 /// <reference path="./types/timers.d.ts" />
 /// <reference path="./types/workers.d.ts" />
+/// <reference path="./types/bindings.d.ts" />

types/bindings.d.ts

@@ -0,0 +1,52 @@
+// OpenWorkers Bindings types
+
+interface BindingAssets {
+  fetch(path: string, options?: RequestInit): Promise<Response>;
+}
+
+interface StorageHeadResult {
+  size: number;
+  etag?: string;
+}
+
+interface StorageListOptions {
+  prefix?: string;
+  limit?: number;
+}
+
+interface StorageListResult {
+  keys: string[];
+  truncated: boolean;
+}
+
+interface BindingStorage {
+  get(key: string): Promise<string | null>;
+  put(key: string, value: string | Uint8Array): Promise<void>;
+  head(key: string): Promise<StorageHeadResult>;
+  list(options?: StorageListOptions): Promise<StorageListResult>;
+  delete(key: string): Promise<void>;
+}
+
+interface KVPutOptions {
+  expiresIn?: number;
+}
+
+interface KVListOptions {
+  prefix?: string;
+  limit?: number;
+}
+
+interface BindingKV {
+  get(key: string): Promise<string | null>;
+  put(key: string, value: string, options?: KVPutOptions): Promise<void>;
+  delete(key: string): Promise<void>;
+  list(options?: KVListOptions): Promise<string[]>;
+}
+
+interface BindingDatabase {
+  query<T = Record<string, unknown>>(sql: string, params?: unknown[]): Promise<T[]>;
+}
+
+interface BindingWorker {
+  fetch(request: Request | string, init?: RequestInit): Promise<Response>;
+}

types/workers.d.ts

@@ -3,6 +3,7 @@
 interface ScheduledEvent {
   scheduledTime: number;
   cron?: string;
+  waitUntil(promise: Promise<unknown>): void;
 }
 
 interface ExecutionContext {