feat(memoization): added propper memoization for init now

package.json

@@ -50,7 +50,8 @@
     "node": ">=8.9"
   },
   "dependencies": {
-    "query-string": "^6.9.0"
+    "query-string": "^6.9.0",
+    "memoize-one": "^5.1.1"
   },
   "peerDependencies": {
     "history": "^4",

src/lib/store.ts

@@ -2,6 +2,7 @@
 import { History } from 'history'
 import LocationState = History.LocationState
 
+import memoizeOne from 'memoize-one'
 import { stringify } from 'query-string'
 import { createContext, useContext, useEffect, useMemo, useState } from 'react'
 import { create, StoreApi, UseStore } from 'zustand'
@@ -58,6 +59,27 @@ export const factoryParameters = <T = object>(
   ns: string = DEFAULT_NAMESPACE
 ) => {
   const flatConfig = flattenConfig(config)
+
+  const initBlank = (initialQueries: object) => {
+    // thisValues will be mutated by applyFlatConfigToState, that's why we init it with a copy of
+    // the initial state.
+    const thisValues = { ...defaultInitialValues }
+    const thisQuery = applyFlatConfigToState(
+      flatConfig,
+      initialQueries,
+      ns,
+      thisValues,
+      defaultInitialValues
+    )
+    return {
+      initialValues: defaultInitialValues,
+      query: thisQuery,
+      values: thisValues
+    }
+  }
+
+  const memInitBlank = memoizeOne(initBlank)
+
   const useQuery = () => {
     const [useStore, api] = useContext(StoreContext) as [
       UseStore<StoreState<T>>,
@@ -100,21 +122,7 @@ export const factoryParameters = <T = object>(
           values
         }
       }
-      // thisValues will be mutated by applyFlatConfigToState, that's why we init it with a copy of
-      // the initial state.
-      const thisValues = { ...defaultInitialValues }
-      const thisQuery = applyFlatConfigToState(
-        flatConfig,
-        initialQueries,
-        ns,
-        thisValues,
-        defaultInitialValues
-      )
-      return {
-        initialValues: defaultInitialValues,
-        query: thisQuery,
-        values: thisValues
-      }
+      return memInitBlank(initialQueries)
     }, [api])
 
     const [currentState, setCurrentState] = useState({

yarn.lock

@@ -9024,6 +9024,11 @@ mem@^4.0.0:
     mimic-fn "^2.0.0"
     p-is-promise "^2.0.0"
 
+memoize-one@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/memoize-one/-/memoize-one-5.1.1.tgz#047b6e3199b508eaec03504de71229b8eb1d75c0"
+  integrity sha512-HKeeBpWvqiVJD57ZUAsJNm71eHTykffzcLZVYWiVfQeI1rJtuEaS7hQiEpWfVVk18donPwJEcFKIkCmPJNOhHA==
+
 memoizerific@^1.11.3:
   version "1.11.3"
   resolved "https://registry.yarnpkg.com/memoizerific/-/memoizerific-1.11.3.tgz#7c87a4646444c32d75438570905f2dbd1b1a805a"