use undefined instead on null

package-lock.json

@@ -29,7 +29,7 @@
         "eslint-plugin-react": "^7.32.2",
         "eslint-plugin-react-hooks": "^4.6.0",
         "eslint-plugin-simple-import-sort": "^10.0.0",
-        "husky": "^8.0.3",
+        "husky": "^8.0.0",
         "jest": "^29.4.3",
         "jest-environment-jsdom": "^29.4.3",
         "jest-watch-typeahead": "^2.2.2",

src/WakuProvider.tsx

@@ -17,9 +17,9 @@ import {
 type WakuContextType<T extends Waku> = CrateWakuHook<T>;
 
 export const WakuContext = React.createContext<WakuContextType<Waku>>({
-  node: null,
+  node: undefined,
   isLoading: false,
-  error: null,
+  error: undefined,
 });
 
 /**

src/types.ts

@@ -4,11 +4,11 @@ import type { Protocols, Waku } from "@waku/interfaces";
 
 export type HookState = {
   isLoading: boolean;
-  error: null | string;
+  error: undefined | string;
 };
 
 export type CrateWakuHook<T extends Waku> = HookState & {
-  node: null | T;
+  node: undefined | T;
 };
 
 export type BootstrapNodeOptions<T = {}> = {

src/useContentPair.ts

@@ -3,8 +3,8 @@ import { createDecoder, createEncoder } from "@waku/core";
 import type { Decoder, Encoder } from "@waku/core/dist/lib/message/version_0";
 
 type ContentPair = {
-  encoder: null | Encoder;
-  decoder: null | Decoder;
+  encoder: undefined | Encoder;
+  decoder: undefined | Decoder;
 };
 
 /**
@@ -17,8 +17,8 @@ export const useContentPair = (
   contentTopic: string,
   ephemeral?: boolean,
 ): ContentPair => {
-  const [encoder, setEncoder] = React.useState<null | Encoder>(null);
-  const [decoder, setDecoder] = React.useState<null | Decoder>(null);
+  const [encoder, setEncoder] = React.useState<undefined | Encoder>();
+  const [decoder, setDecoder] = React.useState<undefined | Decoder>();
 
   React.useEffect(() => {
     setEncoder(createEncoder(contentTopic, ephemeral));

src/useCreateWaku.ts

@@ -22,9 +22,9 @@ const useCreateNode = <N extends Waku, T = {}>(
 ): CrateWakuHook<N> => {
   const { factory, options, protocols = [] } = params;
 
-  const [node, setNode] = React.useState<N | null>(null);
+  const [node, setNode] = React.useState<N | undefined>(undefined);
   const [isLoading, setLoading] = React.useState<boolean>(true);
-  const [error, setError] = React.useState<null | string>(null);
+  const [error, setError] = React.useState<undefined | string>(undefined);
 
   React.useEffect(() => {
     let cancelled = false;

src/useFilterSubscribe.ts

@@ -17,7 +17,7 @@ export const useFilterSubscribe = (
 ): UseFilterSubscribeResult => {
   const { waku, decoder } = params;
 
-  const [error, setError] = React.useState<null | string>(null);
+  const [error, setError] = React.useState<undefined | string>(undefined);
   const [isLoading, setLoading] = React.useState<boolean>(false);
   const [messages, setMessage] = React.useState<IDecodedMessage[]>([]);