From 70d0936b60b4a885c0f6058f51e77aecf8bd5f93 Mon Sep 17 00:00:00 2001
From: Daniel Puckowski <puckowski.d@gmail.com>
Date: Sat, 14 Dec 2024 16:38:44 -0500
Subject: [PATCH] fix(issue:3767) variable values with periods

* Fix issue with variable values with periods when unquoted by single or
  double quotes.
---
 packages/less/src/less/parser/parser.js      | 15 +++++++++++++++
 packages/test-data/css/_main/variables.css   |  9 +++++++++
 packages/test-data/less/_main/variables.less | 18 ++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/packages/less/src/less/parser/parser.js b/packages/less/src/less/parser/parser.js
index b87b4d762..1fa571568 100644
--- a/packages/less/src/less/parser/parser.js
+++ b/packages/less/src/less/parser/parser.js
@@ -1604,6 +1604,9 @@ const Parser = function Parser(context, imports, fileInfo, currentIndex) {
                                 value = this.permissiveValue(/[;}]/);
                             }
                         }
+                        else if (isVariable) {
+                            value = this.variableValue();
+                        }
                         // Try to store values as anonymous
                         // If we need the value later we'll re-parse it in ruleset.parseValue
                         else {
@@ -1638,6 +1641,18 @@ const Parser = function Parser(context, imports, fileInfo, currentIndex) {
                     parserInput.restore();
                 }
             },
+            variableValue: function () {
+                let match = this.anonymousValue();
+                if (match) {
+                    return match;
+                } else {
+                    const index = parserInput.i;
+                    match = parserInput.$re(/^([^#@$+/'"*`(;{}-]*);|(^[(?!.*\n)^.#@$+/'"*`(;{}-]*)(["'])((?!.*@.*)(?<!.*@.*).+?)\1;/);
+                    if (match) {
+                        return new(tree.Anonymous)(match[0].slice(0, -1), index + currentIndex);
+                    }
+                }
+            },
             anonymousValue: function () {
                 const index = parserInput.i;
                 const match = parserInput.$re(/^([^.#@$+/'"*`(;{}-]*);/);
diff --git a/packages/test-data/css/_main/variables.css b/packages/test-data/css/_main/variables.css
index 3fac8c7f4..38c990ab8 100644
--- a/packages/test-data/css/_main/variables.css
+++ b/packages/test-data/css/_main/variables.css
@@ -80,3 +80,12 @@
 .radio_checked {
   border-color: #fff;
 }
+.mixed {
+  m-1: "a.hello";
+  m-2: 'a';
+  m-3: 'a' a a "a.";
+  m-4: a "a-" a "abc";
+  m-5: a "a.ab" c c 'a.bc' abc d;
+  m-6: a.hello;
+  m-7: 'a.b' "abc" abc a.b.c 'a.b.c';
+}
diff --git a/packages/test-data/less/_main/variables.less b/packages/test-data/less/_main/variables.less
index c35ccc5b0..13385e86e 100644
--- a/packages/test-data/less/_main/variables.less
+++ b/packages/test-data/less/_main/variables.less
@@ -143,3 +143,21 @@
 .@{radio-cls-checked} {
   border-color: #fff;
 }
+
+@doubleQuoted: "a.hello";
+@quoted: 'a';
+@mixedOne: 'a' a a "a.";
+@mixedTwo: a "a-" a "abc";
+@mixedThree: a "a.ab" c c 'a.bc' abc d;
+@mixedFour: a.hello;
+@mixedFive: 'a.b' "abc" abc a.b.c 'a.b.c';
+
+.mixed {
+    m-1: @doubleQuoted;
+    m-2: @quoted;
+    m-3: @mixedOne;
+    m-4: @mixedTwo;
+    m-5: @mixedThree;
+    m-6: @mixedFour;
+    m-7: @mixedFive;
+}