From b07b22c145c21d7c4121169c0fd435e797feab86 Mon Sep 17 00:00:00 2001
From: Eric BREHAULT <ebrehault@gmail.com>
Date: Thu, 7 Jan 2021 16:34:22 +0100
Subject: [PATCH] Do not mutate HttpParams

---
 CHANGELOG.md                            | 6 ++++++
 projects/traversal/package.json         | 2 +-
 projects/traversal/src/lib/traverser.ts | 2 +-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index addc99d..567bcb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 1.9.4 (2021-01-07)
+
+## Bug fix
+
+-   Do not mutate HttpParams [ebrehault]
+
 # 1.9.3 (2020-11-27)
 
 ## Improvement
diff --git a/projects/traversal/package.json b/projects/traversal/package.json
index b16ef94..ab546c5 100644
--- a/projects/traversal/package.json
+++ b/projects/traversal/package.json
@@ -1,6 +1,6 @@
 {
     "name": "angular-traversal",
-    "version": "1.9.3",
+    "version": "1.9.4",
     "license": "MIT",
     "author": {
         "name": "Eric Brehault",
diff --git a/projects/traversal/src/lib/traverser.ts b/projects/traversal/src/lib/traverser.ts
index 83067da..c71fd1f 100644
--- a/projects/traversal/src/lib/traverser.ts
+++ b/projects/traversal/src/lib/traverser.ts
@@ -327,7 +327,7 @@ export class Traverser {
         return this.target.pipe(
             take(1),
             map((target) => {
-                const queryParams = target.query;
+                const queryParams = Object.assign(new HttpParams(), target.query);
                 if (!queryParams) {
                     return {};
                 } else {