From 82bffaaa1c1d6396cbe875f49a5065dafe0a8f41 Mon Sep 17 00:00:00 2001
From: Paul Sobolik <psobolik@zoho.com>
Date: Fri, 10 Jan 2025 15:31:47 -0500
Subject: [PATCH] Strip ANSI control sequences from preformatted text.

---
 src/App.tsx   | 7 ++++++-
 tsconfig.json | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/App.tsx b/src/App.tsx
index 5f4cdf0..20d8105 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -259,6 +259,11 @@ function App() {
         return <></>
     }
     const formatGeminiSuccess = (success: Success) => {
+        const stripAnsiSequences = (line: string): string => {
+            // Ought not be in there anyway...
+            const re = /\x1b\[[\x20-\x3f]*[\x40-\x7e]*/g;
+            return line.replaceAll(re, "");
+        }
         let preformattedChildren: React.ReactNode[] = [];
         let preformat = false;
         const lines: React.ReactNode[] = [];
@@ -272,7 +277,7 @@ function App() {
                 }
                 preformat = !preformat;
             } else if (preformat) {
-                preformattedChildren.push(<span key={index}>{line}<br/></span>);
+                preformattedChildren.push(<span key={index}>{stripAnsiSequences(line)}<br/></span>);
             } else switch (geminiLine.type) {
                 case LineType.Link:
                     const jimini_link = JiminiLink.parseString(geminiLine.text ?? "");
diff --git a/tsconfig.json b/tsconfig.json
index d8bd313..bc5f0d8 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,7 +2,7 @@
   "compilerOptions": {
     "target": "ES2020",
     "useDefineForClassFields": true,
-    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "lib": ["ES2021", "DOM", "DOM.Iterable"],
     "module": "ESNext",
     "skipLibCheck": true,