From 19abe58e910dc2d4a4f04fca463c257d0b4ef304 Mon Sep 17 00:00:00 2001
From: Jakub Jankiewicz <jcubic@onet.pl>
Date: Fri, 5 Apr 2024 13:51:34 +0200
Subject: [PATCH] add handling of string interpolation in Prism #321

---
 lib/js/prism.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lib/js/prism.js b/lib/js/prism.js
index 642a0a5ee..beb9177d3 100755
--- a/lib/js/prism.js
+++ b/lib/js/prism.js
@@ -24,6 +24,31 @@ Prism.languages.insertBefore('scheme', 'string', {
        greedy: true
    }
 });
+// modification of PrismJS JavaScript string interpolation
+Prism.languages.insertBefore('scheme', 'string', {
+    'template-string': {
+        pattern: /#"(?:\\[\s\S]|\$\{(?:[^{}]|\{(?:[^{}]|\{[^}]*\})*\})+\}|(?!\$\{)[^\\"])*"/,
+        greedy: true,
+        inside: {
+            'template-punctuation': {
+                pattern: /^#"|"$/,
+                alias: 'string'
+            },
+            'interpolation': {
+                pattern: /((?:^|[^\\])(?:\\{2})*)\$\{(?:[^{}]|\{(?:[^{}]|\{[^}]*\})*\})+\}/,
+                lookbehind: true,
+                inside: {
+                    'interpolation-punctuation': {
+                        pattern: /^\$\{|\}$/,
+                        alias: 'punctuation'
+                    },
+                    rest: Prism.languages.scheme
+                }
+            },
+            'string': /[\s\S]+/
+        }
+    }
+});
 // properties of object literals
 Prism.languages.insertBefore('scheme', 'string', {
     variable: {