From e0f2616213714da1d333afb55e899b9478bb1ec4 Mon Sep 17 00:00:00 2001
From: Kiryl Dzehtsiarenka <kiryl.dzehtsiarenka@mapbox.com>
Date: Wed, 2 Oct 2024 11:45:56 +0300
Subject: [PATCH] Add metadata to "featureset"

Needed for https://github.com/mapbox/style-distillery/pull/226
---
 src/style-spec/reference/v8.json | 4 ++++
 src/style-spec/types.ts          | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/style-spec/reference/v8.json b/src/style-spec/reference/v8.json
index 543b5807ad5..092f69a5ef7 100644
--- a/src/style-spec/reference/v8.json
+++ b/src/style-spec/reference/v8.json
@@ -230,6 +230,10 @@
   },
   "featureset": {
     "experimental": true,
+    "metadata": {
+      "type": "*",
+      "doc": "Arbitrary properties useful to track with the stylesheet, but do not influence rendering. Properties should be prefixed to avoid collisions, like 'mapbox:'."
+    },
     "selectors": {
       "type": "array",
       "value": "selector",
diff --git a/src/style-spec/types.ts b/src/style-spec/types.ts
index b790aa4a6ea..e2f09ea0f8c 100644
--- a/src/style-spec/types.ts
+++ b/src/style-spec/types.ts
@@ -198,6 +198,7 @@ export type FeaturesetsSpecification = {
  * @experimental This is experimental and subject to change in future versions.
  */
 export type FeaturesetSpecification = {
+    "metadata"?: unknown,
     "selectors"?: Array<SelectorSpecification>
 }