mfunkie

import { useEffect } from 'react';
import { useRevalidator, useSearchParams } from 'react-router-dom';

export function useRevalidateInterval(
  shouldRevalidate: boolean,
  revalidateSearchParam: string,
  intervalTimeoutMs = 3000
) {
  const [searchParams, setSearchParams] = useSearchParams();
  const revalidator = useRevalidator();

mfunkie

import React, { useEffect, useRef } from 'react'
// usage
function MyComponent() {
  const { cleanupReduxStateWithSavedIDSoModalDoesntCloseNextTimeItIsOpened, savedID } = props
  useEffect(() => {
    if (savedID) {
      // onSuccess could be doing something where in other areas savedID is still pulled from a redux store
      onSuccess(savedID)
    }
  }, [savedID, onSuccess])

mfunkie

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {

mfunkie

>> I work on products infrastructure team at 
Facebook, and back in January at react day two of my 
teammates Dan safer gave us introducing relay, which is 
a data stream work. So today in this talk, going to 
start with a description of relay for anyone who didn't 
see this or who needs an infrastructure, and then I'm 
going to dive into specific cards of the relay. 
So let's start by thinking about how we at 
Facebook were dining inclines a year ago. At that point 
we had developed react, and which also buys a pattern 

mfunkie

var items = [1, 2, 3, 4];

switch (true) {
    case 2 === items.filter(function(item) { return item > 2; }).length:
        console.log('Two items greater than two');
        break;
    default:
        console.log('Not exactly two items greater than two');
}

mfunkie

<div ng-app="myModule">
    <script type="text/ng-template" id="myTemplatePopover.html">
    	<div ng-controller="PopoverTestCtrl">
    		<span>Is it not <b style="color:red;">glorious</b> to have <i>html</i> in a popover?</span>
    		<span>{{ theStuff }}</span>
        <button class="btn btn-danger" ng-click="$popover.close()">Try closing here!</span>
    	</div>
    </script>
  
	  <button class="btn btn-success" template-popover="myTemplatePopover.html" template-popover-title="I'm a title!" template-popover-placement="bottom">You can have popovers with templates too!</button>