@tarojs/components/dist/taro-components/p-9dcba4a7.system.entry.js

Taro 组件库

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a="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 u(t,o,e,r){if(e===void 0){e=500}if(t===o||typeof t!=="number"){return}var l=o-t;var n=Date.now();var i=o>=t;function s(t,o,e,r){return e*t/r+o}function c(){t=s(Date.now()-n,t,l,e);if(i&&t>=o||!i&&o>=t){r(o);return}r(t);requestAnimationFrame(c)}c()}var f=t("taro_scroll_view_core",function(){function t(t){var r=this;o(this,t);this.onScroll=e(this,"scroll",3);this.onScrollToUpper=e(this,"scrolltoupper",3);this.onScrollToLower=e(this,"scrolltolower",3);this._scrollLeft=0;this._scrollTop=0;this.upperAndLower=s((function(){var t=r.el,o=t.offsetWidth,e=t.offsetHeight,l=t.scrollLeft,n=t.scrollTop,i=t.scrollHeight,s=t.scrollWidth;var c=Number(r.lowerThreshold);var a=Number(r.upperThreshold);if(!isNaN(c)&&(r.scrollY&&e+n+c>=i||r.scrollX&&o+l+c>=s)){r.onScrollToLower.emit({direction:r.scrollX?"right":r.scrollY?"bottom":""})}if(!isNaN(a)&&(r.scrollY&&n<=a||r.scrollX&&l<=a)){r.onScrollToUpper.emit({direction:r.scrollX?"left":r.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.mpScrollIntoViewAlignment=undefined;this.animated=false}t.prototype.watchScrollLeft=function(t){var o=Number(t);var e=this.animated;this.mpScrollToMethod({left:o,animated:e})};t.prototype.watchScrollTop=function(t){var o=Number(t);var e=this.animated;this.mpScrollToMethod({top:o,animated:e})};t.prototype.watchScrollIntoView=function(t){this.mpScrollIntoViewMethod(t)};t.prototype.handleScroll=function(t){var o;if(t instanceof CustomEvent)return;t.stopPropagation();(o=t.stopImmediatePropagation)===null||o===void 0?void 0:o.call(t);var e=this.el,r=e.scrollLeft,l=e.scrollTop,n=e.scrollHeight,i=e.scrollWidth;this._scrollLeft=r;this._scrollTop=l;this.upperAndLower();this.onScroll.emit({scrollLeft:r,scrollTop:l,scrollHeight:n,scrollWidth:i})};t.prototype.handleTouchMove=function(t){if(t instanceof CustomEvent)return;t.stopPropagation()};t.prototype.mpScrollToMethod=function(t){return __awaiter(this,void 0,void 0,(function(){var o,e,r,l,n;var i=this;return __generator(this,(function(s){o=t.top,e=t.left,r=t.duration,l=t.animated,n=l===void 0?false:l;if(this.scrollY&&typeof o==="number"&&!isNaN(o)&&o!==this._scrollTop){if(n){u(this._scrollTop,o,r,(function(t){return i.el.scrollTop=t}))}else{this.el.scrollTop=o}this._scrollTop=o}if(this.scrollX&&typeof e==="number"&&!isNaN(e)&&e!==this._scrollLeft){if(n){u(this._scrollLeft,e,r,(function(t){return i.el.scrollLeft=t}))}else{this.el.scrollLeft=e}this._scrollLeft=e}return[2]}))}))};t.prototype.mpScrollIntoViewMethod=function(t){return __awaiter(this,void 0,void 0,(function(){var o;return __generator(this,(function(e){if(typeof t==="string"&&t){(o=document.querySelector("#".concat(t)))===null||o===void 0?void 0:o.scrollIntoView({behavior:this.animated?"smooth":"auto",block:this.scrollY?this.mpScrollIntoViewAlignment||"center":"center",inline:this.scrollX?this.mpScrollIntoViewAlignment||"start":"start"})}return[2]}))}))};t.prototype.componentDidLoad=function(){var t=Number(this.mpScrollTop);var o=Number(this.mpScrollLeft);var e=this.animated;this.mpScrollToMethod({top:t,left:o,animated:e})};t.prototype.componentDidRender=function(){c(this.el)};t.prototype.render=function(){var t=this,o=t.scrollX,e=t.scrollY;var n=i({"taro-scroll-view__scroll-x":o,"taro-scroll-view__scroll-y":e});return r(l,{class:n},r("slot",null))};Object.defineProperty(t.prototype,"el",{get:function(){return n(this)},enumerable:false,configurable:true});Object.defineProperty(t,"watchers",{get:function(){return{mpScrollLeft:["watchScrollLeft"],mpScrollTop:["watchScrollTop"],mpScrollIntoView:["watchScrollIntoView"]}},enumerable:false,configurable:true});return t}());f.style=a}}}));