@tarojs/components/dist/taro-components/p-2accb92c.system.entry.js

Taro 组件库

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c="taro-scroll-view-core{display:block;width:100%;-webkit-overflow-scrolling:auto}taro-scroll-view-core::-webkit-scrollbar{display:none}.taro-scroll-view__scroll-x{overflow-x:scroll;overflow-y:hidden}.taro-scroll-view__scroll-y{overflow-x:hidden;overflow-y:scroll}";function a(t,o,r,e){if(r===void 0){r=500}if(t===o||typeof t!=="number"){return}var l=o-t;var i=Date.now();var n=o>=t;function s(t,o,r,e){return r*t/e+o}function c(){t=s(Date.now()-i,t,l,r);if(n&&t>=o||!n&&o>=t){e(o);return}e(t);requestAnimationFrame(c)}c()}var u=t("taro_scroll_view_core",function(){function t(t){var e=this;o(this,t);this.onScroll=r(this,"scroll",3);this.onScrollToUpper=r(this,"scrolltoupper",3);this.onScrollToLower=r(this,"scrolltolower",3);this._scrollLeft=0;this._scrollTop=0;this.upperAndLower=s((function(){var t=e.el,o=t.offsetWidth,r=t.offsetHeight,l=t.scrollLeft,i=t.scrollTop,n=t.scrollHeight,s=t.scrollWidth;var c=Number(e.lowerThreshold);var a=Number(e.upperThreshold);if(!isNaN(c)&&(e.scrollY&&r+i+c>=n||e.scrollX&&o+l+c>=s)){e.onScrollToLower.emit({direction:e.scrollX?"right":e.scrollY?"bottom":""})}if(!isNaN(a)&&(e.scrollY&&i<=a||e.scrollX&&l<=a)){e.onScrollToUpper.emit({direction:e.scrollX?"left":e.scrollY?"top":""})}}),200);this.scrollX=false;this.scrollY=false;this.upperThreshold=50;this.lowerThreshold=50;this.mpScrollTop=undefined;this.mpScrollLeft=undefined;this.mpScrollIntoView=undefined;this.animated=false}t.prototype.watchScrollLeft=function(t){var o=Number(t);var r=this.animated;this.mpScrollToMethod({left:o,animated:r})};t.prototype.watchScrollTop=function(t){var o=Number(t);var r=this.animated;this.mpScrollToMethod({top:o,animated:r})};t.prototype.watchScrollIntoView=function(t){this.mpScrollIntoViewMethod(t)};t.prototype.handleScroll=function(t){if(t instanceof CustomEvent)return;t.stopPropagation();var o=this.el,r=o.scrollLeft,e=o.scrollTop,l=o.scrollHeight,i=o.scrollWidth;this._scrollLeft=r;this._scrollTop=e;this.upperAndLower();this.onScroll.emit({scrollLeft:r,scrollTop:e,scrollHeight:l,scrollWidth:i})};t.prototype.mpScrollToMethod=function(t){return __awaiter(this,void 0,void 0,(function(){var o,r,e,l,i;var n=this;return __generator(this,(function(s){o=t.top,r=t.left,e=t.duration,l=t.animated,i=l===void 0?false:l;if(this.scrollY&&typeof o==="number"&&!isNaN(o)&&o!==this._scrollTop){if(i){a(this._scrollTop,o,e,(function(t){return n.el.scrollTop=t}))}else{this.el.scrollTop=o}this._scrollTop=o}if(this.scrollX&&typeof r==="number"&&!isNaN(r)&&r!==this._scrollLeft){if(i){a(this._scrollLeft,r,e,(function(t){return n.el.scrollLeft=t}))}else{this.el.scrollLeft=r}this._scrollLeft=r}return[2]}))}))};t.prototype.mpScrollIntoViewMethod=function(t){return __awaiter(this,void 0,void 0,(function(){var o;return __generator(this,(function(r){if(typeof t==="string"&&t){(o=document.querySelector("#".concat(t)))===null||o===void 0?void 0:o.scrollIntoView({behavior:"smooth",block:"center",inline:"start"})}return[2]}))}))};t.prototype.componentDidLoad=function(){var t=Number(this.mpScrollTop);var o=Number(this.mpScrollLeft);var r=this.animated;this.mpScrollToMethod({top:t,left:o,animated:r})};t.prototype.render=function(){var t=this,o=t.scrollX,r=t.scrollY;var i=n({"taro-scroll-view__scroll-x":o,"taro-scroll-view__scroll-y":r});return e(l,{class:i},e("slot",null))};Object.defineProperty(t.prototype,"el",{get:function(){return i(this)},enumerable:false,configurable:true});Object.defineProperty(t,"watchers",{get:function(){return{mpScrollLeft:["watchScrollLeft"],mpScrollTop:["watchScrollTop"],mpScrollIntoView:["watchScrollIntoView"]}},enumerable:false,configurable:true});return t}());u.style=c}}}));