react-infinite-any-height/dist/main.js

Wrapper component for react-infinite which auto calculates element heights.

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Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t};var o=n(13),i=n(12),a=n(5),l=e.React||n(1),c=n(6);t.exports={createInfiniteComputer:function(t,e){var n=l.Children.count(e);return Array.isArray(t)?new i(t,n):new o(t,n)},recomputeApertureStateFromOptionsAndScrollTop:function(t,e){var n=t.preloadBatchSize,r=t.preloadAdditionalHeight,o=t.infiniteComputer,i=n*(0===n?0:Math.floor(e/n)),a=i+n,l=Math.max(0,i-r),c=Math.min(o.getTotalScrollableHeight(),a+r);return{displayIndexStart:o.getDisplayIndexStart(l),displayIndexEnd:o.getDisplayIndexEnd(c)}},generateComputedProps:function(t){var e=t.containerHeight,n=t.preloadBatchSize,o=t.preloadAdditionalHeight,i=t.handleScroll,l=t.onInfiniteLoad,s=function(t,e){var n={};for(var r in t)e.indexOf(r)>=0||Object.prototype.hasOwnProperty.call(t,r)&&(n[r]=t[r]);return n}(t,["containerHeight","preloadBatchSize","preloadAdditionalHeight","handleScroll","onInfiniteLoad"]),u={};e="number"==typeof e?e:0,u.containerHeight=t.useWindowAsScrollContainer?c.innerHeight:e,u.handleScroll=i||function(){},u.onInfiniteLoad=l||function(){};var f={type:a.CONTAINER_HEIGHT_SCALE_FACTOR,amount:.5},p=n&&n.type?n:f;"number"==typeof n?u.preloadBatchSize=n:"object"===(void 0===p?"undefined":r(p))&&p.type===a.CONTAINER_HEIGHT_SCALE_FACTOR?u.preloadBatchSize=u.containerHeight*p.amount:u.preloadBatchSize=0;var h={type:a.CONTAINER_HEIGHT_SCALE_FACTOR,amount:1},d=o&&o.type?o:h;return"number"==typeof o?u.preloadAdditionalHeight=o:"object"===(void 0===d?"undefined":r(d))&&d.type===a.CONTAINER_HEIGHT_SCALE_FACTOR?u.preloadAdditionalHeight=u.containerHeight*d.amount:u.preloadAdditionalHeight=0,Object.assign(s,u)},buildHeightStyle:function(t){return{width:"100%",height:Math.ceil(t)}}}}).call(this,n(0))},function(t,e){var n="[object Function]",r=/^\[object .+?Constructor\]$/;function o(t){return!!t&&"object"==typeof t}var i,a,l=Object.prototype,c=Function.prototype.toString,s=l.hasOwnProperty,u=l.toString,f=RegExp("^"+c.call(s).replace(/[\\^$.*+?()[\]{}|]/g,"\\$&").replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g,"$1.*?")+"$"),p=9007199254740991;var h=(i=Array,function(t){return null!=t&&(function(t){return function(t){var e=typeof t;return!!t&&("object"==e||"function"==e)}(t)&&u.call(t)==n}(t)?f.test(c.call(t)):o(t)&&r.test(t))}(a=null==i?void 0:i["isArray"])?a:void 0)||function(t){return o(t)&&function(t){return"number"==typeof t&&t>-1&&t%1==0&&t<=p}(t.length)&&"[object Array]"==u.call(t)};t.exports=h},function(t,e,n){"use strict";var r=Object.prototype.hasOwnProperty,o=Object.prototype.propertyIsEnumerable;t.exports=Object.assign||function(t,e){for(var n,i,a=function(t){if(null===t||void 0===t)throw new TypeError("Object.assign cannot be called with null or undefined");return Object(t)}(t),l=1;l<arguments.length;l++){for(var c in n=Object(arguments[l]))r.call(n,c)&&(a[c]=n[c]);if(Object.getOwnPropertySymbols){i=Object.getOwnPropertySymbols(n);for(var s=0;s<i.length;s++)o.call(n,i[s])&&(a[i[s]]=n[i[s]])}}return a}},function(t,e,n){"use strict";Object.assign||(Object.assign=n(16)),Array.isArray||(Array.isArray=n(15))},function(t,e,n){"use strict";(function(e){var r=function(){function t(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,n,r){return n&&t(e.prototype,n),r&&t(e,r),e}}();var o=e.React||n(1),i=e.PropTypes||n(2),a=n(6);n(17);var l=n(5),c=n(14),s=n(3),u=n(10),f=function(t){function e(t){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,e);var n=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t));p.call(n);var r=n.recomputeInternalStateFromProps(t);n.computedProps=r.computedProps,n.utils=r.utils,n.shouldAttachToBottom=t.displayBottomUpwards;var o=r.newState;return o.scrollTimeout=void 0,o.isScrolling=!1,n.state=o,n}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,o.Component),r(e,null,[{key:"containerHeightScaleFactor",value:function(t){if(!s(t))throw new Error("The scale factor must be a number.");return{type:l.CONTAINER_HEIGHT_SCALE_FACTOR,amount:t}}}]),r(e,[{key:"componentWillReceiveProps",value:function(t){var e=this.recomputeInternalStateFromProps(t);this.computedProps=e.computedProps,this.utils=e.utils,this.setState(e.newState)}},{key:"componentWillUpdate",value:function(){this.props.displayBottomUpwards&&(this.preservedScrollState=this.utils.getScrollTop()-this.loadingSpinnerHeight)}},{key:"componentDidUpdate",value:function(t,e){if(this.loadingSpinnerHeight=this.utils.getLoadingSpinnerHeight(),!t.useWindowAsScrollContainer&&this.props.useWindowAsScrollContainer&&this.utils.subscribeToScrollListener(),this.props.displayBottomUpwards){var n=this.getLowestPossibleScrollTop();this.shouldAttachToBottom&&this.utils.getScrollTop()<n?this.utils.setScrollTop(n):t.isInfiniteLoading&&!this.props.isInfiniteLoading&&this.utils.setScrollTop(this.state.infiniteComputer.getTotalScrollableHeight()-e.infiniteComputer.getTotalScrollableHeight()+this.preservedScrollState)}var r=this.state.numberOfChildren!==e.numberOfChildren;if(r){var o=c.recomputeApertureStateFromOptionsAndScrollTop(this.state,this.utils.getScrollTop());this.setState(o)}r&&!this.hasAllVisibleItems()&&!this.state.isInfiniteLoading&&this.onInfiniteLoad()}},{key:"componentDidMount",value:function(){if(this.utils.subscribeToScrollListener(),this.hasAllVisibleItems()||this.onInfiniteLoad(),this.props.displayBottomUpwards){var t=this.getLowestPossibleScrollTop();this.shouldAttachToBottom&&this.utils.getScrollTop()<t&&this.utils.setScrollTop(t)}}},{key:"componentWillUnmount",value:function(){this.utils.unsubscribeFromScrollListener()}},{key:"render",value:function(){var t,e=this;t=this.state.numberOfChildren>1?this.computedProps.children.slice(this.state.displayIndexStart,this.state.displayIndexEnd+1):this.computedProps.children;var n={};this.state.isScrolling&&(n.pointerEvents="none");var r=this.state.infiniteComputer.getTopSpacerHeight(this.state.displayIndexStart),i=this.state.infiniteComputer.getBottomSpacerHeight(this.state.displayIndexEnd);if(this.computedProps.displayBottomUpwards){var a=this.computedProps.containerHeight-this.state.infiniteComputer.getTotalScrollableHeight();a>0&&(r=a-this.loadingSpinnerHeight)}var l=void 0===this.computedProps.infiniteLoadBeginEdgeOffset?null:o.createElement("div",{ref:function(t){e.loadingSpinner=t}},this.state.isInfiniteLoading?this.computedProps.loadingSpinnerDelegate:null);return o.createElement("div",{className:this.computedProps.className,ref:function(t){e.scrollable=t},style:this.utils.buildScrollableStyle(),onScroll:this.utils.nodeScrollListener},o.createElement("div",{ref:function(t){e.smoothScrollingWrapper=t},style:n},o.createElement("div",{ref:function(t){e.topSpacer=t},style:c.buildHeightStyle(r)}),this.computedProps.displayBottomUpwards&&l,t,!this.computedProps.displayBottomUpwards&&l,o.createElement("div",{ref:function(t){e.bottomSpacer=t},style:c.buildHeightStyle(i)})))}}]),e}();f.propTypes={children:i.any,handleScroll:i.func,preloadBatchSize:i.oneOfType([i.number,i.shape({type:i.oneOf(["containerHeightScaleFactor"]).isRequired,amount:i.number.isRequired})]),preloadAdditionalHeight:i.oneOfType([i.number,i.shape({type:i.oneOf(["containerHeightScaleFactor"]).isRequired,amount:i.number.isRequired})]),elementHeight:i.oneOfType([i.number,i.arrayOf(i.number)]).isRequired,containerHeight:i.number,useWindowAsScrollContainer:i.bool,displayBottomUpwards:i.bool.isRequired,infiniteLoadBeginEdgeOffset:i.number,onInfiniteLoad:i.func,loadingSpinnerDelegate:i.node,isInfiniteLoading:i.bool,timeScrollStateLastsForAfterUserScrolls:i.number,className:i.string,styles:i.shape({scrollableStyle:i.object}).isRequired},f.defaultProps={handleScroll:function(){},useWindowAsScrollContainer:!1,onInfiniteLoad:function(){},loadingSpinnerDelegate:o.createElement("div",null),displayBottomUpwards:!1,isInfiniteLoading:!1,timeScrollStateLastsForAfterUserScrolls:150,className:"",styles:{}};var p=function(){var t=this;this.shouldAttachToBottom=!1,this.preservedScrollState=0,this.loadingSpinnerHeight=0,this.generateComputedUtilityFunctions=function(e){var n={getLoadingSpinnerHeight:function(){var e=0;return t.loadingSpinner&&(e=t.loadingSpinner.offsetHeight||0),e}};return e.useWindowAsScrollContainer?(n.subscribeToScrollListener=function(){a.addEventListener("scroll",t.infiniteHandleScroll)},n.unsubscribeFromScrollListener=function(){a.removeEventListener("scroll",t.infiniteHandleScroll)},n.nodeScrollListener=function(){},n.getScrollTop=function(){return a.pageYOffset},n.setScrollTop=function(t){a.scroll(a.pageXOffset,t)},n.scrollShouldBeIgnored=function(){return!1},n.buildScrollableStyle=function(){return{}}):(n.subscribeToScrollListener=function(){},n.unsubscribeFromScrollListener=function(){},n.nodeScrollListener=t.infiniteHandleScroll,n.getScrollTop=function(){return t.scrollable?t.scrollable.scrollTop:0},n.setScrollTop=function(e){t.scrollable&&(t.scrollable.scrollTop=e)},n.scrollShouldBeIgnored=function(e){return e.target!==t.scrollable},n.buildScrollableStyle=function(){return Object.assign({},{height:t.computedProps.containerHeight,overflowX:"hidden",overflowY:"scroll",WebkitOverflowScrolling:"touch"},t.computedProps.styles.scrollableStyle||{})}),n},this.recomputeInternalStateFromProps=function(e){u(e);var n=c.generateComputedProps(e),r=t.generateComputedUtilityFunctions(e),i={};return i.numberOfChildren=o.Children.count(n.children),i.infiniteComputer=c.createInfiniteComputer(n.elementHeight,n.children),void 0!==n.isInfiniteLoading&&(i.isInfiniteLoading=n.isInfiniteLoading),i.preloadBatchSize=n.preloadBatchSize,i.preloadAdditionalHeight=n.preloadAdditionalHeight,{computedProps:n,utils:r,newState:i=Object.assign(i,c.recomputeApertureStateFromOptionsAndScrollTop(i,r.getScrollTop()))}},this.infiniteHandleScroll=function(e){t.utils.scrollShouldBeIgnored(e)||(t.computedProps.handleScroll(t.scrollable),t.handleScroll(t.utils.getScrollTop()))},this.manageScrollTimeouts=function(){t.state.scrollTimeout&&clearTimeout(t.state.scrollTimeout);var e=t,n=setTimeout(function(){e.setState({isScrolling:!1,scrollTimeout:void 0})},t.computedProps.timeScrollStateLastsForAfterUserScrolls);t.setState({isScrolling:!0,scrollTimeout:n})},this.getLowestPossibleScrollTop=function(){return t.state.infiniteComputer.getTotalScrollableHeight()-t.computedProps.containerHeight},this.hasAllVisibleItems=function(){return!(s(t.computedProps.infiniteLoadBeginEdgeOffset)&&t.state.infiniteComputer.getTotalScrollableHeight()<t.computedProps.containerHeight)},this.passedEdgeForInfiniteScroll=function(e){var n=t.computedProps.infiniteLoadBeginEdgeOffset;return"number"==typeof n&&(t.computedProps.displayBottomUpwards?!t.shouldAttachToBottom&&e<n:e>t.state.infiniteComputer.getTotalScrollableHeight()-t.computedProps.containerHeight-n)},this.onInfiniteLoad=function(){t.setState({isInfiniteLoading:!0}),t.computedProps.onInfiniteLoad()},this.handleScroll=function(e){t.shouldAttachToBottom=t.computedProps.displayBottomUpwards&&e>=t.getLowestPossibleScrollTop(),t.manageScrollTimeouts();var n=c.recomputeApertureStateFromOptionsAndScrollTop(t.state,e);t.passedEdgeForInfiniteScroll(e)&&!t.state.isInfiniteLoading?(t.setState(Object.assign({},n)),t.onInfiniteLoad()):t.setState(n)}};t.exports=f,e.Infinite=f}).call(this,n(0))},function(t,e){t.exports=n},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(t[r]=n[r])}return t},o=n(1),i=f(o),a=f(n(2)),l=f(n(19)),c=f(n(18)),s=f(n(9)),u=f(n(7));function f(t){return t&&t.__esModule?t:{default:t}}function p(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}var h=function(t){function e(){var t,n,r;!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,e);for(var o=arguments.length,i=Array(o),a=0;a<o;a++)i[a]=arguments[a];return n=r=p(this,(t=e.__proto__||Object.getPrototypeOf(e)).call.apply(t,[this].concat(i))),d.call(r),p(r,n)}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,o.Component),e}();h.displayName="InfiniteAnyHeight",h.propTypes={heights:a.default.array,heightsUpdateCallback:a.default.func,list:a.default.node,scrollContainer:a.default.object,useWindowAsScrollContainer:a.default.bool},h.defaultProps={heightsUpdateCallback:function(){},heights:[]};var d=function(){var t=this;this.state={heights:[],list:[]},this.lastScrollTop=0,this.scrollTopDelta=0,this.componentDidMount=function(){t.setList(t.props.list)},this.componentWillReceiveProps=function(e){(0,s.default)(e.list,t.props.list)||t.setList(e.list)},this.getScrollContainer=function(){return t.props.useWindowAsScrollContainer?document.body:l.default.findDOMNode(t)},this.addHeight=function(e,n){var r=t.state.heights,o=n-r[e];o&&t.scrollTopDelta<0&&(t.getScrollContainer().scrollTop+=o),r[e]=n,t.props.heightsUpdateCallback(r),t.setState({heights:r})},this.setList=function(e){var n=[],r=e.map(function(e,r){return n[r]=t.state.heights[r]||t.props.heights[r]||200,i.default.createElement(u.default,{addHeight:function(e){return t.addHeight(r,e)},key:r},e)});t.setState({heights:n,list:r})},this.handleScroll=function(){var e,n=t.getScrollContainer().scrollTop;(t.scrollTopDelta=n-t.lastScrollTop,t.lastScrollTop=n,"function"==typeof t.props.handleScroll)&&(e=t.props).handleScroll.apply(e,arguments)},this.render=function(){return i.default.createElement(c.default,r({elementHeight:t.state.heights,handleScroll:t.handleScroll},t.props),t.state.list)}};e.default=h}])});
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