| ✅ Correto | ❌ Incorreto | 
|---|
  
    
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  | import { useCallback, useEffect, useRef } from 'react'; | |
| /** | |
| * Hook that provides start and stop functions to handle AnimationFrame API. | |
| */ | |
| const useAnimationFrame = () => { | |
| const handleRef = useRef<null | number>(null); | |
| const stop = useCallback(() => { | |
| if (!handleRef.current) return; | 
  
    
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  | 'use strict'; | |
| const vm = require('vm'); | |
| const createContext = () => { | |
| const context = Object.create(null); | |
| return vm.createContext(context); | |
| }; | |
| const execute = (code) => { | 
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Advanced TypeScript - Stefan Baumgartner https://fettblog.eu/advanced-typescript-guide/ No blog do Stefan, o fettblog, existe o guia de typescript avançado. Esse guia é um artigo que exibe outros artigos do blog numa lista, por ordem de complexidade e agrupados por tema. Os artigos explicam tópicos super úteis em TypeScript com bons exemplos e uma didática fantástica. O conteúdo está em inglês. 
  
    
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  | import { useCallback, useMemo, useState } from 'react'; | |
| type ValueOrPromiseValue<Value> = Value extends Promise<infer PromiseValue> | |
| ? PromiseValue | |
| : Value; | |
| const useLoading = () => { | |
| const [ticks, setTicks] = useState(0); | |
| const withLoading = useCallback( | 
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Slides (Link para download em PDF) https://drive.google.com/file/d/1Ua8XnRrwkXDb5DfI7RxWlW_qiJPfr1d5/view?usp=sharing 
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Slides (Link do Speaker Deck) 
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Casos de uso do Maybe/Option e Either 
  
    
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  | import * as Maybe from './main'; | |
| // ..:: Contexto ::.. | |
| enum LanguageEnum { | |
| PORTUGUESE = 'pt-BR', | |
| ENGLISH = 'en-US', | |
| } | |
| type User = { | 
-  Descomentar certificateDownloadedAtquando a PR shawee-io/community-back#622 for mergeada.
  
    
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  | /** | |
| * Transforms blob to base64 using FileReader API. | |
| * @param blob - A blob instance. | |
| */ | |
| const fromBlobToBase64 = (blob: Blob): Promise<string> => { | |
| return new Promise((resolve, reject) => { | |
| const reader = new FileReader(); | |
| reader.onerror = (): void => { | |
| reject(reader.error ?? new Error('Unknown error on FileReader.')); | 
  
    
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  | type JsonObject = { [property: string]: Json }; | |
| type JsonArray = Json[]; | |
| type Json = null | boolean | number | string | JsonObject | JsonArray; | |
| type NodeOf<T extends Json> = T extends JsonObject | |
| ? T | |
| : T extends JsonArray | |
| ? T[number] |