From 2458b8263facb48692433359728d27e692089f33 Mon Sep 17 00:00:00 2001
From: twisti <76837088+twisti-dev@users.noreply.github.com>
Date: Wed, 27 May 2026 21:30:02 +0200
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat(constraints):=20add=20configSi?=
 =?UTF-8?q?zeOrNull=20function=20for=20collection=20size=20retrieval?=
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- implement configSizeOrNull to return size for Collection, Map, Array, CharSequence, and StringOrDefault
- handle null cases gracefully by returning null
---
 .../config/constraints/CollectionConstraintUtils.kt | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 surf-api-core/surf-api-core/src/main/kotlin/dev/slne/surf/api/core/config/constraints/CollectionConstraintUtils.kt

diff --git a/surf-api-core/surf-api-core/src/main/kotlin/dev/slne/surf/api/core/config/constraints/CollectionConstraintUtils.kt b/surf-api-core/surf-api-core/src/main/kotlin/dev/slne/surf/api/core/config/constraints/CollectionConstraintUtils.kt
new file mode 100644
index 00000000..8231b97e
--- /dev/null
+++ b/surf-api-core/surf-api-core/src/main/kotlin/dev/slne/surf/api/core/config/constraints/CollectionConstraintUtils.kt
@@ -0,0 +1,13 @@
+package dev.slne.surf.api.core.config.constraints
+
+import dev.slne.surf.api.core.config.type.StringOrDefault
+
+internal tailrec fun Any?.configSizeOrNull(): Int? = when (this) {
+    null -> null
+    is Collection<*> -> size
+    is Map<*, *> -> size
+    is Array<*> -> size
+    is CharSequence -> length
+    is StringOrDefault -> value?.configSizeOrNull()
+    else -> null
+}
\ No newline at end of file