From 1f8d0f32a66baba85888085321b1863c598d3af4 Mon Sep 17 00:00:00 2001
From: Chris Morrell <inxilpro@users.noreply.github.com>
Date: Mon, 25 Jan 2021 16:00:49 -0500
Subject: [PATCH] [8.x] Support for escaping bound attributes (#36042)

* Support for escaping bound attributes

* StyleCI
---
 src/Illuminate/View/Compilers/ComponentTagCompiler.php | 6 +++++-
 tests/View/Blade/BladeComponentTagCompilerTest.php     | 8 ++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Illuminate/View/Compilers/ComponentTagCompiler.php b/src/Illuminate/View/Compilers/ComponentTagCompiler.php
index 9e079ac8a07c..d2f964a88c15 100644
--- a/src/Illuminate/View/Compilers/ComponentTagCompiler.php
+++ b/src/Illuminate/View/Compilers/ComponentTagCompiler.php
@@ -460,6 +460,10 @@ protected function getAttributesFromAttributeString(string $attributeString)
                 $value = "'".$this->compileAttributeEchos($value)."'";
             }
 
+            if (Str::startsWith($attribute, '::')) {
+                $attribute = substr($attribute, 1);
+            }
+
             return [$attribute => $value];
         })->toArray();
     }
@@ -490,7 +494,7 @@ protected function parseBindAttributes(string $attributeString)
     {
         $pattern = "/
             (?:^|\s+)     # start of the string or whitespace between attributes
-            :             # attribute needs to start with a semicolon
+            :(?!:)        # attribute needs to start with a single colon
             ([\w\-:.@]+)  # match the actual attribute name
             =             # only match attributes that have a value
         /xm";
diff --git a/tests/View/Blade/BladeComponentTagCompilerTest.php b/tests/View/Blade/BladeComponentTagCompilerTest.php
index c9b89df6096e..a00744859d45 100644
--- a/tests/View/Blade/BladeComponentTagCompilerTest.php
+++ b/tests/View/Blade/BladeComponentTagCompilerTest.php
@@ -72,6 +72,14 @@ public function testColonData()
 <?php \$component->withAttributes([]); ?> @endComponentClass##END-COMPONENT-CLASS##", trim($result));
     }
 
+    public function testEscapedColonAttribute()
+    {
+        $result = $this->compiler(['profile' => TestProfileComponent::class])->compileTags('<x-profile :user-id="1" ::title="user.name"></x-profile>');
+
+        $this->assertSame("##BEGIN-COMPONENT-CLASS##@component('Illuminate\Tests\View\Blade\TestProfileComponent', 'profile', ['userId' => 1])
+<?php \$component->withAttributes([':title' => 'user.name']); ?> @endComponentClass##END-COMPONENT-CLASS##", trim($result));
+    }
+
     public function testColonAttributesIsEscapedIfStrings()
     {
         $result = $this->compiler(['profile' => TestProfileComponent::class])->compileTags('<x-profile :src="\'foo\'"></x-profile>');