From b2d24f416a38b073dc8d4417b60a81588fd6d346 Mon Sep 17 00:00:00 2001
From: Ferit <frtcm11@gmail.com>
Date: Thu, 8 Oct 2026 04:45:54 +0300
Subject: [PATCH] fix: set parents for all variadic inserted nodes

---
 src/__tests__/container.mjs | 14 ++++++++++++++
 src/selectors/container.js  |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/src/__tests__/container.mjs b/src/__tests__/container.mjs
index 4c58eea..fc7af28 100644
--- a/src/__tests__/container.mjs
+++ b/src/__tests__/container.mjs
@@ -2,6 +2,20 @@ import test from "./util/runner.mjs";
 import parser from "../../dist/index.js";
 import { parse } from "./util/helpers.mjs";
 
+for (const method of ["insertBefore", "insertAfter"]) {
+  test(`container#${method} sets parents of every inserted node`, (t) => {
+    const selector = parser().astSync("a").first;
+    const first = parser.className({ value: "first" });
+    const second = parser.className({ value: "second" });
+    selector[method](selector.first, first, second);
+    t.is(first.parent, selector);
+    t.is(second.parent, selector);
+    second.remove();
+    t.is(selector.nodes.includes(second), false);
+    t.is(second.parent, undefined);
+  });
+}
+
 test("container#append", (t) => {
   let out = parse("h1", (selectors) => {
     let selector = selectors.first;
diff --git a/src/selectors/container.js b/src/selectors/container.js
index 8f6f286..96d3771 100644
--- a/src/selectors/container.js
+++ b/src/selectors/container.js
@@ -81,6 +81,7 @@ export default class Container extends Node {
     let oldIndex = this.index(oldNode);
     const resetNode = [];
     for (let i = 2; i < arguments.length; i++) {
+      arguments[i].parent = this;
       resetNode.push(arguments[i]);
     }
     this.nodes.splice(oldIndex + 1, 0, newNode, ...resetNode);
@@ -103,6 +104,7 @@ export default class Container extends Node {
     let oldIndex = this.index(oldNode);
     const resetNode = [];
     for (let i = 2; i < arguments.length; i++) {
+      arguments[i].parent = this;
       resetNode.push(arguments[i]);
     }
     this.nodes.splice(oldIndex, 0, newNode, ...resetNode);