From 69691cdc065dd9b12f7106e962b2f7e629608b53 Mon Sep 17 00:00:00 2001
From: Ian Macartney <ianhmacartney@gmail.com>
Date: Wed, 29 Oct 2025 17:58:24 -0700
Subject: [PATCH] allow bounds of {eq: key}

---
 src/client/index.ts     |  2 +-
 src/client/positions.ts | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/client/index.ts b/src/client/index.ts
index 4631edc..ffac58c 100644
--- a/src/client/index.ts
+++ b/src/client/index.ts
@@ -37,7 +37,7 @@ export type Item<K extends Key, ID extends string> = {
   sumValue: number;
 };
 
-export type { Key, Bound };
+export type { Key, Bound, Bounds };
 
 /**
  * Write data to be aggregated, and read aggregated data.
diff --git a/src/client/positions.ts b/src/client/positions.ts
index 20cb69a..cfee51a 100644
--- a/src/client/positions.ts
+++ b/src/client/positions.ts
@@ -28,8 +28,11 @@ export type TuplePrefix<
 
 export type Bounds<K extends Key, ID extends string> =
   | SideBounds<K, ID>
+  | (K extends unknown[]
+      ? { prefix: TuplePrefix<Extract<K, unknown[]>> }
+      : never)
   | {
-      prefix: TuplePrefix<Extract<K, unknown[]>>;
+      eq: K;
     };
 
 // IDs are strings so in the Convex ordering, null < IDs < arrays.
@@ -83,6 +86,12 @@ export function boundsToPositions<K extends Key, ID extends string>(
   if (bounds === undefined) {
     return {};
   }
+  if ("eq" in bounds) {
+    return {
+      k1: boundToPosition("lower", { key: bounds.eq, inclusive: true }),
+      k2: boundToPosition("upper", { key: bounds.eq, inclusive: true }),
+    };
+  }
   if ("prefix" in bounds) {
     const prefix: Key[] = bounds.prefix;
     const exploded: Key = [];