press-swiper/libs/transition/transitionStart.js

适配多端的高自定义轮播组件，多种3D效果。全面对标swiperjs。

import transitionEmit from './transitionEmit.js';
export default function transitionStart(runCallbacks = true, direction) {
	const swiper = this;
	const {
		params
	} = swiper;
	if (params.cssMode) return;

	if (params.autoHeight) {
		swiper.updateAutoHeight();
	}

	transitionEmit({
		swiper,
		runCallbacks,
		direction,
		step: 'Start'
	});
}