From 15013264fe958a3eaa1a21a745a10688bd6d4b5b Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Thu, 6 Jun 2024 11:30:08 -0400
Subject: [PATCH 1/3] Add tests for escapes

---
 tests/format.test.js  | 14 ++++++++++++++
 tests/plugins.test.js |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/tests/format.test.js b/tests/format.test.js
index 255bfee7..a24546eb 100644
--- a/tests/format.test.js
+++ b/tests/format.test.js
@@ -93,6 +93,15 @@ let javascript = [
     ';<div class={`flex ` + `  ` + `text-red-500`} />',
     ';<div class={`flex ` + ` ` + `text-red-500`} />',
   ],
+  [
+    `;<div class={"before:content-['\\\\2248']"} />`,
+    `;<div class={"before:content-['\\\\2248']"} />`,
+  ],
+
+  [
+    `;<div class={\`before:content-['\\\\2248']\`} />`,
+    `;<div class={\`before:content-['\\\\2248']\`} />`,
+  ],
 ]
 javascript = javascript.concat(
   javascript.map((test) => [
@@ -141,6 +150,11 @@ let vue = [
     `<div :class="' sm:p-5 ' + ' flex ' + ' underline ' + ' sm:m-5 '"></div>`,
     `<div :class="'sm:p-5 ' + ' flex' + ' underline' + ' sm:m-5'"></div>`,
   ],
+
+  [
+    `<div :class="'before:content-[\\'\\\\2248\\']'" />`,
+    `<div :class="'before:content-[\\'\\\\2248\\']'" />`,
+  ],
 ]
 
 let glimmer = [
diff --git a/tests/plugins.test.js b/tests/plugins.test.js
index b8542b2c..f9c2101e 100644
--- a/tests/plugins.test.js
+++ b/tests/plugins.test.js
@@ -430,6 +430,9 @@ import Custom from '../components/Custom.astro'
           `<div class={' flex ' + ' underline ' + ' block '}></div>`,
           `<div class={' flex ' + ' underline ' + ' block '}></div>`,
         ],
+
+        // Escapes
+        t`<div class={"before:content-['\\\\2248']"}></div>`,
       ],
     },
   },

From ae34102b9a4a97551da4a6dd3c6fd383c15e5bb4 Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Thu, 6 Jun 2024 11:30:58 -0400
Subject: [PATCH 2/3] Make sure escapes in classes are preserved in string
 literals

---
 src/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index b718147b..a766a7c9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -450,12 +450,12 @@ function sortStringLiteral(
     node.extra = {
       ...node.extra,
       rawValue: result,
-      raw: raw[0] + result + raw.slice(-1),
+      raw: raw[0] + result.replace(/\\/g, '\\\\') + raw.slice(-1),
     }
   } else {
     // TypeScript (Literal)
     let raw = node.raw
-    node.raw = raw[0] + result + raw.slice(-1)
+    node.raw = raw[0] + result.replace(/\\/g, '\\\\') + raw.slice(-1)
   }
   return didChange
 }

From 84d2fadc22911090e1c319e4d972d5ef91283046 Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Thu, 6 Jun 2024 11:33:01 -0400
Subject: [PATCH 3/3] Update changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index da0badce..ee411f47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Only remove duplicate Tailwind classes ([#277](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/pull/277))
+- Make sure escapes in classes are preserved in string literals ([#286](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/pull/286))
 
 ## [0.6.1] - 2024-05-31