From 77d6794b26184feb9ea7a757cf0fb557badc0542 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 6 Apr 2026 15:36:51 +0000
Subject: [PATCH] Tidy array validation flow

Agent-Logs-Url: https://github.com/wesleyel/swiftui-math/sessions/56436444-e15b-4dd0-8a70-c87df1e3dc4e

Co-authored-by: wesleyel <48174882+wesleyel@users.noreply.github.com>
---
 Sources/SwiftUIMath/Internal/Syntax/AtomFactory.swift |  2 +-
 Sources/SwiftUIMath/Internal/Syntax/Parser.swift      | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Sources/SwiftUIMath/Internal/Syntax/AtomFactory.swift b/Sources/SwiftUIMath/Internal/Syntax/AtomFactory.swift
index 4c71b22..8314929 100644
--- a/Sources/SwiftUIMath/Internal/Syntax/AtomFactory.swift
+++ b/Sources/SwiftUIMath/Internal/Syntax/AtomFactory.swift
@@ -712,7 +712,7 @@ extension Math {
             return table
           }
         } else if env == "array" {
-          guard let columnAlignments, !columnAlignments.isEmpty else {
+          guard let columnAlignments else {
             let message = "array environment requires at least 1 column alignment"
             if error == nil {
               error = ParserError(code: .invalidEnvironment, message: message)
diff --git a/Sources/SwiftUIMath/Internal/Syntax/Parser.swift b/Sources/SwiftUIMath/Internal/Syntax/Parser.swift
index 12596a8..aa9cb1b 100644
--- a/Sources/SwiftUIMath/Internal/Syntax/Parser.swift
+++ b/Sources/SwiftUIMath/Internal/Syntax/Parser.swift
@@ -1332,18 +1332,22 @@ extension Math {
         }
       }
 
-      if self.error == nil && !foundClosingBrace {
+      if !foundClosingBrace {
         self.setError(.characterNotFound, message: "Missing } after array column format")
       }
 
-      if self.error == nil && columnAlignments.isEmpty {
+      if columnAlignments.isEmpty {
         self.setError(
           .invalidEnvironment,
           message: "array environment requires at least one column alignment specifier (l, c, or r)"
         )
       }
 
-      return self.error == nil ? (columnAlignments, format) : (nil, nil)
+      if self.error != nil {
+        return (nil, nil)
+      }
+
+      return (columnAlignments, format)
     }
 
     func assertNotSpace(_ ch: Character) {