marco-souza

• Q: Makes sense to move useEffects to hooks which you have to load data? > A: I believe so. Every time I access a duck which loads external data, I'm interested in its data, not in calling a funciton to load it.

marco-souza

import { useLoadingMocked } from 'assets/__mocks__/useLoading';

// mock module as a function
jest.mock('src/redux/loading', () => jest.fn());
import methodToMock from 'src/redux/loading';
const mockedMethod = methodToMock as jest.Mock;

describe('testing a hook', () => {
  it('my test', () => {

marco-souza

authorize your local key

cat ~/.ssh/id_rsa.pub | ssh <user@host> 'cat >> .ssh/authorized_keys'

Add user

adduser <name>

marco-souza

const Comp = (props) => {
  const myRef = useRef()
  const [activeState, setActiveState] = useState(false)

  const callbackTrue = () => {
    // define callback
    setActiveState(true)
  }
  const callbackFalse = () => {

marco-souza

const concatComponents = (...listComponents) => listComponents

const MyComp = (props) => {
  const myConcatenatedText = concatComponents(
   'My text with ',
    <a>My link</a>,
   'end of my text with',
  )
  
  return (

marco-souza

react
ink
ink-text-input
typescript
@types/react
@types/node

marco-souza

state = [
  action1,
  action1,
]

// hook
const useFilterPedingAction = key => state.filter(item => (
  item.status === 'pending' &&
  item.name === key
))

marco-souza

# set npm env
export NPM_HOME=$HOME/.npm-global
npm config set prefix $NPM_HOME
# set node bin to path
export PATH=$PATH:$NPM_HOME/bin

marco-souza

/*
Enter your query here.
Please append a semicolon ";" at the end of the query
*/
SELECT c.name, MAX(p.id)
FROM customer as c, payment as p
WHERE p.status LIKE "CO" and p.customer_id = c.id
GROUP BY c.name

marco-souza

/*
Enter your query here.
Please append a semicolon ";" at the end of the query
*/
SELECT c.name, MAX(p.id)
FROM customer as c, payment as p
WHERE p.status LIKE "CO" and p.customer_id = c.id
GROUP BY c.name