WIP

packages/client/lib/commands/FUNCTION_STATS.ts

@@ -1,56 +1,87 @@
-import { RedisCommandArguments } from '.';
+// import { RedisCommandArguments } from '.';
 
-export function transformArguments(): RedisCommandArguments {
+// export function transformArguments(): RedisCommandArguments {
+//     return ['FUNCTION', 'STATS'];
+// }
+
+// type FunctionStatsRawReply = [
+//     'running_script',
+//     null | [
+//         'name',
+//         string,
+//         'command',
+//         string,
+//         'duration_ms',
+//         number
+//     ],
+//     'engines',
+//     Array<any> // "flat tuples" (there is no way to type that)
+//     // ...[string, [
+//     //     'libraries_count',
+//     //     number,
+//     //     'functions_count',
+//     //     number
+//     // ]]
+// ];
+
+// interface FunctionStatsReply {
+//     runningScript: null | {
+//         name: string;
+//         command: string;
+//         durationMs: number;
+//     };
+//     engines: Record<string, {
+//         librariesCount: number;
+//         functionsCount: number;
+//     }>;
+// }
+
+// export function transformReply(reply: FunctionStatsRawReply): FunctionStatsReply {
+//     const engines = Object.create(null);
+//     for (let i = 0; i < reply[3].length; i++) {
+//         engines[reply[3][i]] = {
+//             librariesCount: reply[3][++i][1],
+//             functionsCount: reply[3][i][3]
+//         };
+//     }
+
+//     return {
+//         runningScript: reply[1] === null ? null : {
+//             name: reply[1][1],
+//             command: reply[1][3],
+//             durationMs: reply[1][5]
+//         },
+//         engines
+//     };
+// }
+
+
+// #!LUA name=math \n redis.register_function{ function_name = "square", callback = function(keys, args) return args[1] * args[1] end, flags = { "no-writes" } }
+
+import { Command, TuplesToMapReply, BlobStringReply, NullReply, NumberReply, MapReply } from '../RESP/types';
+
+type FunctionStatsReply = TuplesToMapReply<[
+  [BlobStringReply<'running_script'>, NullReply | TuplesToMapReply<[
+    [BlobStringReply<'name'>, BlobStringReply],
+    [BlobStringReply<'command'>, BlobStringReply],
+    [BlobStringReply<'duration_ms'>, NumberReply]
+  ]>],
+  [BlobStringReply<'engines'>, MapReply<BlobStringReply, TuplesToMapReply<[
+    [BlobStringReply<'libraries_count'>, NumberReply],
+    [BlobStringReply<'functions_count'>, NumberReply]
+  ]>>]
+]>;
+
+export default {
+  IS_READ_ONLY: true,
+  FIRST_KEY_INDEX: undefined,
+  transformArguments() {
     return ['FUNCTION', 'STATS'];
-}
+  },
+  transformReply: {
+    2: (reply) => {
 
-type FunctionStatsRawReply = [
-    'running_script',
-    null | [
-        'name',
-        string,
-        'command',
-        string,
-        'duration_ms',
-        number
-    ],
-    'engines',
-    Array<any> // "flat tuples" (there is no way to type that)
-    // ...[string, [
-    //     'libraries_count',
-    //     number,
-    //     'functions_count',
-    //     number
-    // ]]
-];
-
-interface FunctionStatsReply {
-    runningScript: null | {
-        name: string;
-        command: string;
-        durationMs: number;
-    };
-    engines: Record<string, {
-        librariesCount: number;
-        functionsCount: number;
-    }>;
-}
-
-export function transformReply(reply: FunctionStatsRawReply): FunctionStatsReply {
-    const engines = Object.create(null);
-    for (let i = 0; i < reply[3].length; i++) {
-        engines[reply[3][i]] = {
-            librariesCount: reply[3][++i][1],
-            functionsCount: reply[3][i][3]
-        };
-    }
-
-    return {
-        runningScript: reply[1] === null ? null : {
-            name: reply[1][1],
-            command: reply[1][3],
-            durationMs: reply[1][5]
-        },
-        engines
-    };
-}
+    },
+    3: undefined as unknown as () => 
+  }
+} as const satisfies Command;