@zhazhazhu/charge-waterfall/index.js

使用纯TypeScript编写的瀑布流工具插件，定宽不定高。简单好用，配置方便，纯中文提示，即插即用。适用于JS、Vue、React、Angular

!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).bundle=e()}(this,(function(){"use strict";
/*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */var t=function(){return t=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++)for(var i in e=arguments[n])Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);return t},t.apply(this,arguments)};function e(t,e,n,r){return new(n||(n=Promise))((function(i,o){function a(t){try{l(r.next(t))}catch(t){o(t)}}function s(t){try{l(r.throw(t))}catch(t){o(t)}}function l(t){var e;t.done?i(t.value):(e=t.value,e instanceof n?e:new n((function(t){t(e)}))).then(a,s)}l((r=r.apply(t,e||[])).next())}))}function n(t,e){var n,r,i,o,a={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return o={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function s(o){return function(s){return function(o){if(n)throw new TypeError("Generator is already executing.");for(;a;)try{if(n=1,r&&(i=2&o[0]?r.return:o[0]?r.throw||((i=r.return)&&i.call(r),0):r.next)&&!(i=i.call(r,o[1])).done)return i;switch(r=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return a.label++,{value:o[1],done:!1};case 5:a.label++,r=o[1],o=[0];continue;case 7:o=a.ops.pop(),a.trys.pop();continue;default:if(!(i=a.trys,(i=i.length>0&&i[i.length-1])||6!==o[0]&&2!==o[0])){a=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){a.label=o[1];break}if(6===o[0]&&a.label<i[1]){a.label=i[1],i=o;break}if(i&&a.label<i[2]){a.label=i[2],a.ops.push(o);break}i[2]&&a.ops.pop(),a.trys.pop();continue}o=e.call(t,a)}catch(t){o=[6,t],r=0}finally{n=i=0}if(5&o[0])throw o[1];return{value:o[0]?o[1]:void 0,done:!0}}([o,s])}}}function r(t){var e="function"==typeof Symbol&&Symbol.iterator,n=e&&t[e],r=0;if(n)return n.call(t);if(t&&"number"==typeof t.length)return{next:function(){return t&&r>=t.length&&(t=void 0),{value:t&&t[r++],done:!t}}};throw new TypeError(e?"Object is not iterable.":"Symbol.iterator is not defined.")}function i(t,e){var n="function"==typeof Symbol&&t[Symbol.iterator];if(!n)return t;var r,i,o=n.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(r=o.next()).done;)a.push(r.value)}catch(t){i={error:t}}finally{try{r&&!r.done&&(n=o.return)&&n.call(o)}finally{if(i)throw i.error}}return a}function o(t,e,n){if(n||2===arguments.length)for(var r,i=0,o=e.length;i<o;i++)!r&&i in e||(r||(r=Array.prototype.slice.call(e,0,i)),r[i]=e[i]);return t.concat(r||Array.prototype.slice.call(e))}function a(t){return new Promise((function(e,n){var r=new Image;r.src=t,r.complete?e(r):r.onload=function(){e(r)},r.onerror=function(t){n(t)}}))}function s(t,e){return"translate"+t+"("+e+"px)"}var l={fadeInDown:{start:s("Y","-35"),end:s("Y","0")},fadeInUp:{start:s("Y","35"),end:s("Y","0")},fadeInLeft:{start:s("X","-35"),end:s("X","0")},fadeInRight:{start:s("X","35"),end:s("X","0")}},c={container:null,initialData:[],imgClass:"waterfall-img",imgContainerClass:"waterfall-img-container",bottomContainerClass:"waterfall-bottom-container",column:2,gapX:0,gapY:0,bottomDistance:100,resizable:!0,animation:{name:"none",duration:.5}},u=function(s){var u=this;this.items=[],this.imageHeightTrack=[],this.eventStore={},this.init=function(){return e(u,void 0,void 0,(function(){var t,e,r,i,o;return n(this,(function(n){if(t=this.options,e=t.resizable,r=t.initialData,i=void 0===r?[]:r,o=t.column,"string"==typeof this.options.container){if(!this.options.container.startsWith(".")&&!this.options.container.startsWith("#"))throw new Error("传入的 "+this.options.container+" 不符合标准 DOM 查询规范， 请按照标准的 DOM 查询规范传入，如'.container' 或 '#container'");this.options.container=document.querySelector(this.options.container)}if(!this.options.container)throw new Error("container: "+this.options.container+" 实例不存在，请检查");return this.options.container.style.overflowX="hidden",this.imageHeightTrack=new Array(o).fill(0),this.options.container.style.position="relative",e&&this.resize(),this.initImage(i),[2]}))}))},this.initImage=function(t){return e(u,void 0,void 0,(function(){var e;return n(this,(function(n){switch(n.label){case 0:return[4,this.createContent(t)];case 1:return e=n.sent(),this.items=this.items.concat(e),this.computePosition(e),[2]}}))}))},this.createContent=function(t){return void 0===t&&(t=[]),e(u,void 0,void 0,(function(){var e,o,s,l,c,u,f,h,d,p,m,v,y,g,b,w,x,C,S,T;return n(this,(function(H){switch(H.label){case 0:return e=this.options,o=e.onClick,s=e.imgClass,l=e.imgContainerClass,c=e.bottomContainerClass,u=e.render,f=e.defaultImgUrl,h=void 0===f?"":f,[4,Promise.allSettled(t.map((function(t){return(null==t?void 0:t.src)&&a(t.src)})))];case 1:d=H.sent(),p=[],m=document.createDocumentFragment(),v=function(t,e){var r,i,f,v,y;return n(this,(function(n){switch(n.label){case 0:if((r=document.createElement("div")).className=l,!(null==e?void 0:e.src))return[3,5];if((i=document.createElement("img")).style.verticalAlign="bottom",i.src=e.src,"rejected"!==d[t].status)return[3,4];n.label=1;case 1:return n.trys.push([1,3,,4]),[4,a(h)];case 2:return f=n.sent(),i.src=f.src,[3,4];case 3:return v=n.sent(),console.error("该默认图片加载失败："+h+", "+v),[3,4];case 4:i.alt=(null==e?void 0:e.alt)||"image",i.className=s,r.appendChild(i),n.label=5;case 5:return u&&((y=document.createElement("div")).className=c,y.innerHTML=u(e),r.appendChild(y)),r.onclick=function(t){null==o||o(e,t)},p.push(r),m.appendChild(r),[2]}}))},H.label=2;case 2:H.trys.push([2,7,8,9]),y=r(t.entries()),g=y.next(),H.label=3;case 3:return g.done?[3,6]:(b=i(g.value,2),w=b[0],x=b[1],[5,v(w,x)]);case 4:H.sent(),H.label=5;case 5:return g=y.next(),[3,3];case 6:return[3,9];case 7:return C=H.sent(),S={error:C},[3,9];case 8:try{g&&!g.done&&(T=y.return)&&T.call(y)}finally{if(S)throw S.error}return[7];case 9:return this.options.container.appendChild(m),[2,p]}}))}))},this.computePosition=function(t,e){void 0===e&&(e=!1),requestAnimationFrame((function(){var n,a,s=u.options,c=s.gapX,f=s.gapY,h=s.column,d=s.width,p=s.bottomContainerClass,m=s.render,v=s.animation;d=null!=d?d:u.options.container.clientWidth/h,e&&(u.imageHeightTrack=new Array(h).fill(0));try{for(var y=r(t),g=y.next();!g.done;g=y.next()){var b=g.value;"none"!==v.name&&(b.style.opacity="0",b.style.transform=l[v.name].start);var w=b.getElementsByTagName("img")[0];w&&(w.style.width=d+"px");var x=void 0;if(b.style.width=d+"px",b.style.position="absolute",m){var C=b.querySelector("."+p);C.style.width=d+"px",x=w?((null==w?void 0:w.height)||30)+((null==C?void 0:C.clientHeight)||0):(null==C?void 0:C.clientHeight)||0}else x=(null==w?void 0:w.height)||0;var S=u.imageHeightTrack.indexOf(Math.min.apply(Math,o([],i(u.imageHeightTrack),!1)));b.style.left=S*(d+c)+"px",b.style.top=u.imageHeightTrack[S]+"px",u.imageHeightTrack[S]+=Math.ceil(x*d/d+f),"none"!==v.name&&(b.style.transition="transform "+v.duration+"s ease",b.style.opacity="1",b.style.transform=l[v.name].end)}}catch(t){n={error:t}}finally{try{g&&!g.done&&(a=y.return)&&a.call(y)}finally{if(n)throw n.error}}u.refreshContainerHeight()}))},this.refreshContainerHeight=function(){var t=Math.max.apply(Math,o([],i(u.imageHeightTrack),!1));u.options.container.style.height=t+"px"},this.resize=function(){window.addEventListener("resize",u.eventStore.throttleResize=function(t,e){void 0===e&&(e=100);var n=+new Date;return function(){for(var r=[],i=0;i<arguments.length;i++)r[i]=arguments[i];+new Date-n>e&&(t.apply(this,r),n=+new Date)}}((function(){u.computePosition(u.items,!0)})))},this.onReachBottom=function(t){var e=u.options.bottomDistance,n=void 0===e?150:e;if(n<150)throw new Error("bottomDistance 属性不能小于150");window.addEventListener("scroll",u.eventStore.debounceScroll=function(t,e){void 0===e&&(e=100);var n=null;return function(){for(var r=this,i=[],o=0;o<arguments.length;o++)i[o]=arguments[o];n&&clearTimeout(n),n=setTimeout((function(){t.apply(r,i)}),e)}}((function(){var e=document.documentElement,r=e.clientHeight,i=e.scrollTop,o=e.scrollHeight;r+i+n>=o&&(null==t||t())})))},this.loadMore=function(t){return e(u,void 0,void 0,(function(){return n(this,(function(e){return this.initImage(t),[2]}))}))},this.destroy=function(){window.removeEventListener("resize",u.eventStore.throttleResize),window.removeEventListener("scroll",u.eventStore.debounceScroll)},this.options=t(t({},c),s),this.init()};return u}));