From 0d14c27032acba5db324fa9dda972dda692792b2 Mon Sep 17 00:00:00 2001
From: "Erik C. Thauvin" <erik@thauvin.net>
Date: Wed, 28 Feb 2024 03:29:29 -0800
Subject: [PATCH] Added JS escaping for newline, linefeed, return, tab and
 backspace. Closes #1

---
 src/main/java/rife/render/RenderUtils.java | 6 ++++++
 src/test/java/rife/render/TestEncode.java  | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/src/main/java/rife/render/RenderUtils.java b/src/main/java/rife/render/RenderUtils.java
index e0535be..43c92c1 100644
--- a/src/main/java/rife/render/RenderUtils.java
+++ b/src/main/java/rife/render/RenderUtils.java
@@ -195,6 +195,11 @@ public final class RenderUtils {
                 case '"' -> sb.append("\\\"");
                 case '\\' -> sb.append("\\\\");
                 case '/' -> sb.append("\\/");
+                case '\b' -> sb.append("\\b");
+                case '\n' -> sb.append(("\\n"));
+                case '\t' -> sb.append("\\t");
+                case '\f' -> sb.append("\\f");
+                case '\r' -> sb.append("\\r");
                 default -> sb.append(c);
             }
         }
@@ -597,4 +602,5 @@ public final class RenderUtils {
         }
         return false;
     }
+
 }
\ No newline at end of file
diff --git a/src/test/java/rife/render/TestEncode.java b/src/test/java/rife/render/TestEncode.java
index 6cedb25..d02571f 100644
--- a/src/test/java/rife/render/TestEncode.java
+++ b/src/test/java/rife/render/TestEncode.java
@@ -55,6 +55,10 @@ class TestEncode {
         t.setAttribute(TestCase.FOO, "'\"\\/");
         assertThat(t.getContent()).isEqualTo("\\'\\\"\\\\\\/");
 
+        t = TemplateFactory.TXT.get("encodeJs");
+        t.setAttribute(TestCase.FOO,  "This is\f\b a\r\n\ttest");
+        assertThat(t.getContent()).isEqualTo("This is\\f\\b a\\r\\n\\ttest");
+
         t = TemplateFactory.HTML.get("encodeJs");
         t.setAttribute(TestCase.FOO, '"' + TestCase.SAMPLE_TEXT + '"');
         assertThat(t.getContent()).as("with unicode")