frontend: advancedSearch: Add escaping for backslashes

This change ensures that backslashes are properly escaped in addition to
double quotes. The fix involves modifying the replace logic to handle
both backslashes and double quotes by chaining two replace calls: the
first to escape backslashes and the second to escape double quotes.

Author: skoeva

frontend/src/components/advancedSearch/utils/inferTypes.test.ts

@@ -98,6 +98,19 @@ declare var status: "Available" | "Running";`;
     expect(generateGlobalVarDeclarations(objects)).toBe(expected);
   });
 
+  it('should escape double quotes and backslashes in string literals', () => {
+    const objects = [
+      { value: '"quote"' },
+      { value: 'backslash\\' },
+      { value: 'both\\"' },
+      { value: 'plain' },
+    ];
+    const expected =
+      'declare var value: "\\"quote\\"" | "backslash\\\\" | "both\\\\\\"" | "plain";';
+
+    expect(generateGlobalVarDeclarations(objects)).toBe(expected);
+  });
+
   it('should handle keys that are not valid identifiers by skipping them', () => {
     const objects = [{ 'not-valid': 1, validKey: 2 }];
     const expected = 'declare var validKey: number;';

frontend/src/components/advancedSearch/utils/inferTypes.ts

@@ -138,7 +138,7 @@ function generateTypeString(
       // Add quoted literals
       node.stringLiterals.forEach(literal => {
         // Basic escaping for quotes inside the string literal itself
-        const escapedLiteral = literal.replace(/"/g, '\\"');
+        const escapedLiteral = literal.replace(/\\/g, '\\\\').replace(/"/g, '\\"');
         types.push(`"${escapedLiteral}"`);
       });
     } else {