From 1d2dc0b1dd589559f3bf4d7e20253d5df0dc2fa9 Mon Sep 17 00:00:00 2001
From: avkiryanov <avkiryanov@yandex.ru>
Date: Fri, 21 Mar 2025 16:06:13 +0300
Subject: [PATCH] fix filter expression with several nodes

A filtering expression like $[?(@.node1.node2)] will not find node2 because the cycle step is 2. If we rewrite the expression for $[?(@.node1.node2.node2)], node2 will be found.
---
 jsonpath.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jsonpath.lua b/jsonpath.lua
index d46a55d..c932c07 100755
--- a/jsonpath.lua
+++ b/jsonpath.lua
@@ -288,7 +288,7 @@ local function eval_ast(ast, obj)
         if obj == nil then
             return nil, 'object is not set'
         end
-        for i = 2, #expr, 2 do  -- [1] is "var"
+        for i = 2, #expr, 1 do  -- [1] is "var"
             local member, err = eval_ast(expr[i], obj)
             if member == nil then
                 return nil, err