razwan

function linear(t) { return t };
function easeInQuad(t) { return t*t };
function easeOutQuad(t) { return t*(2-t) };
function easeInOutQuad(t) { return t<.5 ? 2*t*t : -1+(4-2*t)*t };
function easeInCubic(t) { return t*t*t };
function easeOutCubic(t) { return (--t)*t*t+1 };
function easeInOutCubic(t) { return t<.5 ? 4*t*t*t : (t-1)*(2*t-2)*(2*t-2)+1 };
function easeInQuart(t) { return t*t*t*t };
function easeOutQuart(t) { return 1-(--t)*t*t*t };
function easeInOutQuart(t) { return t<.5 ? 8*t*t*t*t : 1-8*(--t)*t*t*t };

razwan

( function( blocks, element ) {

	var el = element.createElement,
		registerBlockType = blocks.registerBlockType;

	registerBlockType( 'gutenberg-test/block', {
		title: 'Gutenberg test block',
		icon: 'megaphone',
		category: 'widgets',

razwan

<?php
/**
 * Plugin Name: Gutenberg Test
 * Description: Gutenberg Test
 * Version: 0.0.0
 */

function gutenberg_test_register_meta() {

	register_meta( 'post', 'my_block_meta', array(

razwan

index.js?ver=2e2b78de4a8a9e8f1ec023c58f617ba6:17 Uncaught TypeError: Cannot read property 'my_block_meta' of undefined
    at index.js?ver=2e2b78de4a8a9e8f1ec023c58f617ba6:17
    at Array.reduce (<anonymous>)
    at index.js?ver=2e2b78de4a8a9e8f1ec023c58f617ba6:17
    at mountMemo (react-dom.8b3dda97.js:15807)
    at Object.useMemo (react-dom.8b3dda97.js:16029)
    at useMemo (react.eef5f5a3.js:1680)
    at index.js?ver=2e2b78de4a8a9e8f1ec023c58f617ba6:17
    at WithMetaAttributeSource((Component)) (index.js?ver=2e2b78de4a8a9e8f1ec023c58f617ba6:17)

razwan

export const onScrollRAF = ( callback ) => {
  let scrollY = window.pageYOffset;
  let lastScrollY = -1;
  let frameRendered = false;

  window.addEventListener( 'scroll', () => {
    scrollY = window.pageYOffset;
    frameRendered = false;
  } );