vaneditor/src/uni_modules/zebra-swiper/libs/transition/transitionStart.js

``` 移动端ui框架统一用uView,css扩展语言用scss,全局数据管理vuex,统一样式主体风格颜色定义/src/uni.scss ```

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'
	});
}