From 6aea6d0965f9030d598eb87f5bfca36b638035f6 Mon Sep 17 00:00:00 2001
From: Alan Pearce
Date: Wed, 19 Mar 2025 01:26:01 +0100
Subject: add MapWithIndex and MapMap helpers

---
 gomponents.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gomponents.go b/gomponents.go
index ad9c2cd..37267d4 100644
--- a/gomponents.go
+++ b/gomponents.go
@@ -257,6 +257,26 @@ func Map[T any](ts []T, cb func(T) Node) Group {
 	return nodes
 }
 
+// Map a slice of anything to a [Group] (which is just a slice of [Node]-s).
+func MapWithIndex[T any](ts []T, cb func(int, T) Node) Group {
+	nodes := make([]Node, 0, len(ts))
+	for k, t := range ts {
+		nodes = append(nodes, cb(k, t))
+	}
+
+	return nodes
+}
+
+// Map a map of anything to a [Group] (which is just a slice of [Node]-s).
+func MapMap[K comparable, T any](ts map[K]T, cb func(K, T) Node) Group {
+	nodes := make([]Node, 0, len(ts))
+	for k, t := range ts {
+		nodes = append(nodes, cb(k, t))
+	}
+
+	return nodes
+}
+
 // Group a slice of [Node]-s into one Node, while still being usable like a regular slice of [Node]-s.
 // A [Group] can render directly, but if any of the direct children are [AttributeType], they will be ignored,
 // to not produce invalid HTML.
-- 
cgit 1.4.1