wip

packages/client/lib/commands/FUNCTION_LIST.ts

@@ -1,16 +1,45 @@
-// import { RedisCommandArguments } from '.';
-// import { FunctionListItemReply, FunctionListRawItemReply, transformFunctionListItemReply } from './generic-transformers';
+import { RedisArgument, TuplesToMapReply, BlobStringReply, ArrayReply, NullReply, SetReply, Resp2Reply, CommandArguments, Command } from '../RESP/types';
 
-// export function transformArguments(pattern?: string): RedisCommandArguments {
-//     const args = ['FUNCTION', 'LIST'];
+export interface FunctionListOptions {
+  LIBRARYNAME?: RedisArgument;
+}
 
-//     if (pattern) {
-//         args.push(pattern);
-//     }
+export type FunctionListReplyItem = [
+  [BlobStringReply<'library_name'>, BlobStringReply],
+  [BlobStringReply<'engine'>, BlobStringReply],
+  [BlobStringReply<'functions'>, ArrayReply<TuplesToMapReply<[
+    [BlobStringReply<'name'>, BlobStringReply],
+    [BlobStringReply<'description'>, BlobStringReply | NullReply],
+    [BlobStringReply<'flags'>, SetReply<BlobStringReply>],
+  ]>>]
+]
 
-//     return args;
-// }
+export type FunctionListReply = ArrayReply<TuplesToMapReply<FunctionListReplyItem>>;
 
-// export function transformReply(reply: Array<FunctionListRawItemReply>): Array<FunctionListItemReply> {
-//     return reply.map(transformFunctionListItemReply);
-// }
+export default {
+  FIRST_KEY_INDEX: undefined,
+  IS_READ_ONLY: false,
+  transformArguments(options?: FunctionListOptions) {
+    const args: CommandArguments = ['FUNCTION', 'LIST'];
+
+    if (options?.LIBRARYNAME) {
+      args.push('LIBRARYNAME', options.LIBRARYNAME);
+    }
+
+    return args;
+  },
+  transformReply: {
+    2: (reply: Resp2Reply<FunctionListReply>) => {
+      return reply.map(library => ({
+        library_name: library[1],
+        engine: library[3],
+        functions: library[5].map(fn => ({
+          name: fn[1],
+          description: fn[3],
+          flags: fn[5]
+        }))
+      }));
+    },
+    3: undefined as unknown as () => FunctionListReply
+  }
+} as const satisfies Command;