Escape text should escape backslash

Author: blakeembrey

src/cases.spec.ts

@@ -136,6 +136,16 @@ export const PARSER_TESTS: ParserTestSet[] = [
       '/:"test"stuff',
     ),
   },
+  {
+    path: "\\\\:test",
+    expected: new TokenData(
+      [
+        { type: "text", value: "\\" },
+        { type: "param", name: "test" },
+      ],
+      "\\\\:test",
+    ),
+  },
 ];
 
 export const STRINGIFY_TESTS: StringifyTestSet[] = [
@@ -204,6 +214,13 @@ export const STRINGIFY_TESTS: StringifyTestSet[] = [
     ]),
     expected: '/:"test"stuff',
   },
+  {
+    data: new TokenData([
+      { type: "text", value: "\\" },
+      { type: "param", name: "test" },
+    ]),
+    expected: "\\\\:test",
+  },
 ];
 
 export const COMPILE_TESTS: CompileTestSet[] = [

src/index.ts

@@ -102,7 +102,7 @@ const SIMPLE_TOKENS: Record<string, TokenType> = {
  * Escape text for stringify to path.
  */
 function escapeText(str: string) {
-  return str.replace(/[{}()\[\]+?!:*]/g, "\\$&");
+  return str.replace(/[{}()\[\]+?!:*\\]/g, "\\$&");
 }
 
 /**