ALT const someArray = [1,2,3,4] const sum = await someArray.reduce(async (accumulator, element) => { // of course this could be something asynchronous // but seriously... just use a loop instead return (await accumulator) + element }, Promise.resolve(0))

ALT // we want to enforce a parameter that has gone through useMemo or useCallback export function useMyHook(arg: StableReference<MyArgumentType>) { // ... } // just put this in a .d.ts file in your project declare const __StableReference : unique symbol; type StableReference<T> = T & {[__StableReference]: true} declare module 'react' { function useCallback<T extends (...args: any[]) => any> (callback: T...

ALT A screenshot showing the term `${TSVersion.Major}.${TSVersion.Minor}` evaluating to "4.7" and a ternary comparing to Version 4.7 resulting in "we're in the present"

ALT A screenshot showing the term `${TSVersion.Major}.${TSVersion.Minor}` evaluating to "4.6" and a ternary comparing to Version 4.7 resulting in "it's the stone age!"

ALT A screenshot of the Egghead webpage, highlighting my RTK Query course.

ALT Screenshot of github contributions - no commits in 2 weeks.

ALT import {useRef} from 'react' const ref1 = useRef<HTMLDivElement>() // ^? const ref2 = useRef<HTMLDivElement>(null) // ^?

ALT A photo of a split keyboard. How cursed.

ALT interface PayloadAction<P, T = string> { type: T; payload: P; } type ActionCreator<P, T> = (payload: P) => PayloadAction<P, T>; function createAction<P, T = string>(type: T): ActionCreator<P, T> { return (payload: P) => ({ type, payload }); }

ALT interface Action { type: string; }

ALT const api = createApi({ baseQuery: fetchBaseQuery({ baseUrl: 'http://example.com' }), entityTypes: ['Post', 'UNAUTHORIZED', 'UNKNOWN_ERROR'], endpoints: (build) => ({ postById: build.query({ query: (id) => `/post/${id}`, provides: (result, error, id) => result ? [{ type: 'Post', id }] : error?.status === 401 ? ['UNAUTHORIZED'] : ['UNKNOWN_ERROR'], }...