From 5e31456d258bfa7f9db808f4f67cf3e91dad809d Mon Sep 17 00:00:00 2001
From: Christian Mesh <christianmesh1@gmail.com>
Date: Fri, 29 Aug 2025 08:43:05 -0400
Subject: [PATCH] Add support for ephemeral block in OpenTofu and Terraform

---
 components/prism-hcl.js                  | 4 ++--
 tests/languages/hcl/keyword_feature.test | 8 +++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/components/prism-hcl.js b/components/prism-hcl.js
index bd12c84666..5ad4563e88 100644
--- a/components/prism-hcl.js
+++ b/components/prism-hcl.js
@@ -7,10 +7,10 @@ Prism.languages.hcl = {
 	},
 	'keyword': [
 		{
-			pattern: /(?:data|resource)\s+(?:"(?:\\[\s\S]|[^\\"])*")(?=\s+"[\w-]+"\s+\{)/i,
+			pattern: /(?:data|resource|ephemeral)\s+(?:"(?:\\[\s\S]|[^\\"])*")(?=\s+"[\w-]+"\s+\{)/i,
 			inside: {
 				'type': {
-					pattern: /(resource|data|\s+)(?:"(?:\\[\s\S]|[^\\"])*")/i,
+					pattern: /(resource|data|ephemeral|\s+)(?:"(?:\\[\s\S]|[^\\"])*")/i,
 					lookbehind: true,
 					alias: 'variable'
 				}
diff --git a/tests/languages/hcl/keyword_feature.test b/tests/languages/hcl/keyword_feature.test
index 11d083bd37..ca21f9575b 100644
--- a/tests/languages/hcl/keyword_feature.test
+++ b/tests/languages/hcl/keyword_feature.test
@@ -1,5 +1,6 @@
 resource "aws_db_instance" "main" {
 data "terraform_remote_state" "main" {
+ephemeral "provider_type" "main" {
 output "dev_vpc_id" {
 config {
 terraform {
@@ -16,6 +17,11 @@ terraform {
 		["data ",
 		["type", "\"terraform_remote_state\""]]],
     ["string", ["\"main\""]],
+    ["punctuation", "{"],
+	["keyword",
+		["ephemeral ",
+		["type", "\"provider_type\""]]],
+    ["string", ["\"main\""]],
     ["punctuation", "{"],
 	["keyword",
 		["output",
@@ -29,4 +35,4 @@ terraform {
 
 ----------------------------------------------------
 
-Checks for all keywords.
\ No newline at end of file
+Checks for all keywords.