import { ScrollchorEasingFunction } from './helpers' ; /**
 * Linear easing
 */ export const linear = ( p ) => p ; see https export const swing = ( p ) => 0.5 - Math . cos ( p * Math . PI ) / 2 ; see https export const easeOutQuad = ( _ , t , b , c , d ) => { const tDivD = t / d ; return - c * tDivD * ( tDivD - 2 ) + b ; } ;