From a6b5207176dae1e64075580df9fe7a53de4ef48c Mon Sep 17 00:00:00 2001
From: BowlingX <me@bowlingx.com>
Date: Fri, 9 Jul 2021 18:28:43 +0200
Subject: [PATCH] fix(sideEffects): removed query side-effects from core

---
 src/lib/adapters/Next.js.tsx | 14 ++++++++++----
 src/lib/middleware.ts        | 12 +++---------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/lib/adapters/Next.js.tsx b/src/lib/adapters/Next.js.tsx
index 1eb0740..b50a645 100644
--- a/src/lib/adapters/Next.js.tsx
+++ b/src/lib/adapters/Next.js.tsx
@@ -1,5 +1,5 @@
 /* tslint:disable:no-expression-statement readonly-array */
-import React, { FC, useEffect, useMemo } from 'react'
+import React, { FC, useEffect, useMemo, useRef } from 'react'
 // tslint:disable-next-line:no-submodule-imports
 import shallow from 'zustand/shallow'
 import { StoreState } from '../middleware'
@@ -41,13 +41,14 @@ const GeschichteForNextjs: FC<Props> = ({
   defaultPushOptions,
   defaultReplaceOptions
 }) => {
+  const lastClientSideQuery = useRef(initialClientOnlyAsPath)
   const historyInstance: HistoryManagement = useMemo(() => {
     return {
       initialSearch: () => {
         const [, query] =
           typeof window === 'undefined'
             ? split(asPath)
-            : split(initialClientOnlyAsPath || Router.asPath)
+            : split(lastClientSideQuery.current || Router.asPath)
         return `?${query || ''}`
       },
       push: (next: string, options) => {
@@ -66,7 +67,7 @@ const GeschichteForNextjs: FC<Props> = ({
       }
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [defaultPushOptions, defaultReplaceOptions])
+  }, [])
 
   const useStore = useMemo(() => useGeschichte(historyInstance), [
     historyInstance
@@ -84,7 +85,12 @@ const GeschichteForNextjs: FC<Props> = ({
 
   useEffect(() => {
     const [, query] = split(asPath)
-    updateFromQuery(`?${query || ''}`)
+    const nextQuery = `?${query || ''}`
+    if (initialClientOnlyAsPath) {
+      // tslint:disable-next-line
+      lastClientSideQuery.current = nextQuery
+    }
+    updateFromQuery(nextQuery)
   }, [asPath, updateFromQuery])
 
   useEffect(() => {
diff --git a/src/lib/middleware.ts b/src/lib/middleware.ts
index 862a760..1d35f0a 100644
--- a/src/lib/middleware.ts
+++ b/src/lib/middleware.ts
@@ -283,10 +283,8 @@ export const converter = <T>(historyInstance: HistoryManagement) => (
   api: StoreApi<StoreState<T>>
 ): StoreState<T> => {
   const memoizedGetInitialQueries = memoizeOne(parseSearchString)
-  // tslint:disable-next-line:no-let
-  let lastSearchString: string
+
   const updateFromQuery = (search: string) => {
-    lastSearchString = search
     const nextQueries = memoizedGetInitialQueries(search)
     const namespaces = get().namespaces
     Object.keys(namespaces).forEach(ns => {
@@ -353,9 +351,7 @@ export const converter = <T>(historyInstance: HistoryManagement) => (
     },
     /** the initial queries when the script got executed first (usually on page load). */
     initialQueries: () =>
-      memoizedGetInitialQueries(
-        lastSearchString || historyInstance.initialSearch()
-      ),
+      memoizedGetInitialQueries(historyInstance.initialSearch()),
     /** here we store all data and configurations for the different namespaces */
     namespaces: {},
     /** pushes a new state for a given namespace, (will use history.pushState) */
@@ -385,9 +381,7 @@ export const converter = <T>(historyInstance: HistoryManagement) => (
               state.initialValues = initialValues
               state.query = applyFlatConfigToState(
                 state.mappedConfig,
-                memoizedGetInitialQueries(
-                  lastSearchString || historyInstance.initialSearch()
-                ),
+                memoizedGetInitialQueries(historyInstance.initialSearch()),
                 ns,
                 state.values,
                 initialValues