{"id":1355,"date":"2025-02-17T00:00:00","date_gmt":"2025-02-16T23:00:00","guid":{"rendered":"https:\/\/demo.sidekick.be\/itenium\/reduxjs-toolkit-typescript\/"},"modified":"2025-11-28T13:31:41","modified_gmt":"2025-11-28T12:31:41","slug":"reduxjs-toolkit-typescript","status":"publish","type":"post","link":"https:\/\/demo.sidekick.be\/itenium\/blog\/javascript\/reduxjs-toolkit-typescript\/","title":{"rendered":"ReduxJS\/Toolkit: TypeScript"},"content":{"rendered":"<h1 id=\"typescript-hooks\">TypeScript Hooks<\/h1>\n<pre><code class=\"language-ts\">import { configureStore } from \"@reduxjs\/toolkit\";\nimport { useDispatch, useSelector } from \"react-redux\";\n\nconst store = configureStore({});\nexport type AppDispatch = typeof store.dispatch;\nexport const useAppDispatch = useDispatch.withTypes&lt;AppDispatch&gt;();\n\nexport type RootState = ReturnType&lt;typeof store.getState&gt;;\nexport const useAppSelector = useSelector.withTypes&lt;RootState&gt;();\n<\/code><\/pre>\n<h1 id=\"createasyncthunk\">createAsyncThunk<\/h1>\n<p><a href=\"https:\/\/redux-toolkit.js.org\/usage\/usage-with-typescript#defining-a-pre-typed-createasyncthunk\">More info<\/a><\/p>\n<pre><code class=\"language-ts\">import { Action, createAsyncThunk, ThunkAction } from \"@reduxjs\/toolkit\";\nexport type AppThunk&lt;ThunkReturnType = void&gt; = ThunkAction&lt;ThunkReturnType, RootState, unknown, Action&gt;;\nexport const createAppAsyncThunk = createAsyncThunk.withTypes&lt;{state: RootState, dispatch: AppDispatch}&gt;();\n\n\/\/ Complete example:\nconst createAppAsyncThunk = createAsyncThunk.withTypes&lt;{\n  state: RootState\n  dispatch: AppDispatch\n  rejectValue: string\n  extra: { whatever: number }\n}&gt;()\n<\/code><\/pre>\n<h1 id=\"createselector\">createSelector<\/h1>\n<pre><code class=\"language-ts\">\/\/ Wrapping reselect createSelector\nimport { createSelector } from \"@reduxjs\/toolkit\";\nconst createAppSelector = createSelector.withTypes&lt;RootState&gt;();\n<\/code><\/pre>\n<h1>Also in this series<\/h1>\n<ul>\n<li>Part 1: <a href=\"\/javascript\/reduxjs-toolkit\/\">ReduxJS\/Toolkit<\/a><\/li>\n<li>Part 2: <a href=\"\/javascript\/reduxjs-toolkit-immer\/\">ReduxJS\/Toolkit: Immer<\/a><\/li>\n<li>Part 3: <a href=\"\/javascript\/reduxjs-toolkit-createslice\/\">ReduxJS\/Toolkit: createSlice and configureStore<\/a><\/li>\n<li>Part 4: <a href=\"\/javascript\/reduxjs-toolkit-createasyncthunk\/\">ReduxJS\/Toolkit: createAsyncThunk<\/a><\/li>\n<li>This Part: ReduxJS\/Toolkit: TypeScript<\/li>\n<li>Part 6: <a href=\"\/javascript\/reduxjs-toolkit-createselector\/\">ReduxJS\/Toolkit: createSelector<\/a><\/li>\n<\/ul>\n<h1>Extras<\/h1>\n<p><b>Stuff that came into being during the making of this post<\/b><\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/itenium-be\/reduxjs-toolkit\">The &#8216;Mythical Zoos&#8217; example code and the talk pptx<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>You don\u2019t want to be using <code>useDispatch<\/code>, <code>useSelector<\/code> etc directly in your code. Instead they are wrapped so that you can enjoy complete type safety!<\/p>\n","protected":false},"author":1,"featured_media":1963,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[22,6],"class_list":["post-1355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-react","tag-tutorial"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ReduxJS\/Toolkit: TypeScript - Itenium<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ReduxJS\/Toolkit: TypeScript - Itenium\" \/>\n<meta property=\"og:description\" content=\"You don\u2019t want to be using useDispatch, useSelector etc directly in your code. 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