From 9028a3ff5476972d0f33746583c090089f477719 Mon Sep 17 00:00:00 2001
From: orange4glace <orange.bae@webtoonscorp.com>
Date: Fri, 12 Feb 2021 18:17:15 +0900
Subject: [PATCH 1/5] fix: #192 no override history state

---
 Router.svelte | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Router.svelte b/Router.svelte
index 75e6aaa..9ab03f7 100644
--- a/Router.svelte
+++ b/Router.svelte
@@ -100,7 +100,7 @@ export async function push(location) {
     await tick()
 
     // Note: this will include scroll state in history even when restoreScrollState is false
-    history.replaceState({scrollX: window.scrollX, scrollY: window.scrollY}, undefined, undefined)      
+    history.replaceState({...history.state, __svelte_spa_router_scrollX: window.scrollX, __svelte_spa_router_: window.scrollY}, undefined, undefined)      
     window.location.hash = (location.charAt(0) == '#' ? '' : '#') + location
 }
 
@@ -132,7 +132,10 @@ export async function replace(location) {
 
     const dest = (location.charAt(0) == '#' ? '' : '#') + location
     try {
-        window.history.replaceState(undefined, undefined, dest)
+        const newState = { ...history.state };
+        delete newState['__svelte_spa_router_scrollX'];
+        delete newState['__svelte_spa_router_scrollY'];
+        window.history.replaceState(newState, undefined, dest)
     }
     catch (e) {
         // eslint-disable-next-line no-console
@@ -193,7 +196,7 @@ function scrollstateHistoryHandler(event) {
     event.preventDefault()
     const href = event.currentTarget.getAttribute('href')
     // Setting the url (3rd arg) to href will break clicking for reasons, so don't try to do that
-    history.replaceState({scrollX: window.scrollX, scrollY: window.scrollY}, undefined, undefined)
+    history.replaceState({...history.state, __svelte_spa_router_scrollX: window.scrollX, __svelte_spa_router_scrollY: window.scrollY}, undefined, undefined)
     // This will force an update as desired, but this time our scroll state will be attached
     window.location.hash = href
 }

From 864fbe5171956931ae0c426a41a022e57305430f Mon Sep 17 00:00:00 2001
From: orange4glace <orange.bae@webtoonscorp.com>
Date: Fri, 12 Feb 2021 18:19:23 +0900
Subject: [PATCH 2/5] fix: missing words

---
 Router.svelte | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Router.svelte b/Router.svelte
index 9ab03f7..3018b74 100644
--- a/Router.svelte
+++ b/Router.svelte
@@ -100,7 +100,7 @@ export async function push(location) {
     await tick()
 
     // Note: this will include scroll state in history even when restoreScrollState is false
-    history.replaceState({...history.state, __svelte_spa_router_scrollX: window.scrollX, __svelte_spa_router_: window.scrollY}, undefined, undefined)      
+    history.replaceState({...history.state, __svelte_spa_router_scrollX: window.scrollX, __svelte_spa_router_scrollY: window.scrollY}, undefined, undefined)      
     window.location.hash = (location.charAt(0) == '#' ? '' : '#') + location
 }
 

From 8351e670a529a15b6ffc4e5649ab5981eddde2b1 Mon Sep 17 00:00:00 2001
From: orange4glace <orange.bae@webtoonscorp.com>
Date: Fri, 12 Feb 2021 18:27:02 +0900
Subject: [PATCH 3/5] fix: linting

---
 Router.svelte | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Router.svelte b/Router.svelte
index 3018b74..5440afa 100644
--- a/Router.svelte
+++ b/Router.svelte
@@ -132,9 +132,11 @@ export async function replace(location) {
 
     const dest = (location.charAt(0) == '#' ? '' : '#') + location
     try {
-        const newState = { ...history.state };
-        delete newState['__svelte_spa_router_scrollX'];
-        delete newState['__svelte_spa_router_scrollY'];
+        const newState = {
+            ...history.state
+        }
+        delete newState['__svelte_spa_router_scrollX']
+        delete newState['__svelte_spa_router_scrollY']
         window.history.replaceState(newState, undefined, dest)
     }
     catch (e) {

From 7794826fc86f3f76ebc253836514fb7482edc09d Mon Sep 17 00:00:00 2001
From: orange4glace <orange.bae@webtoonscorp.com>
Date: Fri, 12 Feb 2021 18:45:07 +0900
Subject: [PATCH 4/5] fix: missing replacements

---
 Router.svelte | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Router.svelte b/Router.svelte
index 5440afa..616bd5b 100644
--- a/Router.svelte
+++ b/Router.svelte
@@ -433,7 +433,7 @@ if (restoreScrollState) {
     afterUpdate(() => {
         // If this exists, then this is a back navigation: restore the scroll position
         if (previousScrollState) {
-            window.scrollTo(previousScrollState.scrollX, previousScrollState.scrollY)
+            window.scrollTo(previousScrollState.__svelte_spa_router_scrollX, previousScrollState.__svelte_spa_router_scrollY)
         }
         else {
             // Otherwise this is a forward navigation: scroll to top

From 2f485d6d47d7dfd238b43e086cc05719a69fe20a Mon Sep 17 00:00:00 2001
From: orange4glace <orange.bae@webtoonscorp.com>
Date: Sat, 13 Feb 2021 17:34:19 +0900
Subject: [PATCH 5/5] fix: missing replacements

---
 Router.svelte | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Router.svelte b/Router.svelte
index 616bd5b..ecc3a66 100644
--- a/Router.svelte
+++ b/Router.svelte
@@ -422,7 +422,7 @@ if (restoreScrollState) {
         // If this event was from our history.replaceState, event.state will contain
         // our scroll history. Otherwise, event.state will be null (like on forward
         // navigation)
-        if (event.state && event.state.scrollY) {
+        if (event.state && event.state.__svelte_spa_router_scrollY) {
             previousScrollState = event.state
         }
         else {