@material/list/dist/mdc.list.min.js

The Material Components for the web list component

!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("@material/list",[],t):"object"==typeof exports?exports.list=t():(e.mdc=e.mdc||{},e.mdc.list=t())}(this,function(){return i={},s.m=n={0:function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.MDCFoundation=void 0;var i=(Object.defineProperty(s,"cssClasses",{get:function(){return{}},enumerable:!1,configurable:!0}),Object.defineProperty(s,"strings",{get:function(){return{}},enumerable:!1,configurable:!0}),Object.defineProperty(s,"numbers",{get:function(){return{}},enumerable:!1,configurable:!0}),Object.defineProperty(s,"defaultAdapter",{get:function(){return{}},enumerable:!1,configurable:!0}),s.prototype.init=function(){},s.prototype.destroy=function(){},s);function s(e){void 0===e&&(e={}),this.adapter=e}t.MDCFoundation=i,t.default=i},1:function(e,t,n){"use strict";var s=this&&this.__read||function(e,t){var n="function"==typeof Symbol&&e[Symbol.iterator];if(!n)return e;var i,s,r=n.call(e),o=[];try{for(;(void 0===t||0<t--)&&!(i=r.next()).done;)o.push(i.value)}catch(e){s={error:e}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(s)throw s.error}}return o},r=this&&this.__spreadArray||function(e,t){for(var n=0,i=t.length,s=e.length;n<i;n++,s++)e[s]=t[n];return e};Object.defineProperty(t,"__esModule",{value:!0}),t.MDCComponent=void 0;var i=n(0),o=(a.attachTo=function(e){return new a(e,new i.MDCFoundation({}))},a.prototype.initialize=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t]},a.prototype.getDefaultFoundation=function(){throw new Error("Subclasses must override getDefaultFoundation to return a properly configured foundation 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n=(""+t.tagName).toLowerCase();-1===i.indexOf(n)&&e.preventDefault()}}},14:function(e,t,n){"use strict";var i,s=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n])})(e,t)},function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Class extends value "+String(t)+" is not a constructor or null");function n(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}),r=this&&this.__assign||function(){return(r=Object.assign||function(e){for(var t,n=1,i=arguments.length;n<i;n++)for(var s in t=arguments[n])Object.prototype.hasOwnProperty.call(t,s)&&(e[s]=t[s]);return e}).apply(this,arguments)},o=this&&this.__createBinding||(Object.create?function(e,t,n,i){void 0===i&&(i=n),Object.defineProperty(e,i,{enumerable:!0,get:function(){return t[n]}})}:function(e,t,n,i){void 0===i&&(i=n),e[i]=t[n]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),d=this&&this.__importStar||function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)"default"!==n&&Object.prototype.hasOwnProperty.call(e,n)&&o(t,e,n);return a(t,e),t},l=this&&this.__read||function(e,t){var n="function"==typeof Symbol&&e[Symbol.iterator];if(!n)return e;var i,s,r=n.call(e),o=[];try{for(;(void 0===t||0<t--)&&!(i=r.next()).done;)o.push(i.value)}catch(e){s={error:e}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(s)throw s.error}}return o},h=this&&this.__spreadArray||function(e,t){for(var n=0,i=t.length,s=e.length;n<i;n++,s++)e[s]=t[n];return e};Object.defineProperty(t,"__esModule",{value:!0}),t.MDCListFoundation=void 0;var u=n(0),C=n(8),y=n(9),_=n(13),b=d(n(23));var c=["Alt","Control","Meta","Shift"];function T(t){var n=new Set(t?c.filter(function(e){return t.getModifierState(e)}):[]);return function(e){return e.every(function(e){return n.has(e)})&&e.length===n.size}}var f,I=(f=u.MDCFoundation,s(E,f),Object.defineProperty(E,"strings",{get:function(){return y.strings},enumerable:!1,configurable:!0}),Object.defineProperty(E,"cssClasses",{get:function(){return y.cssClasses},enumerable:!1,configurable:!0}),Object.defineProperty(E,"numbers",{get:function(){return y.numbers},enumerable:!1,configurable:!0}),Object.defineProperty(E,"defaultAdapter",{get:function(){return{addClassForElementIndex:function(){},focusItemAtIndex:function(){},getAttributeForElementIndex:function(){return null},getFocusedElementIndex:function(){return 0},getListItemCount:function(){return 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this.focusedItemIndex},E.prototype.setWrapFocus=function(e){this.wrapFocus=e},E.prototype.setVerticalOrientation=function(e){this.isVertical=e},E.prototype.setSingleSelection=function(e){(this.isSingleSelectionList=e)&&(this.maybeInitializeSingleSelection(),this.selectedIndex=this.getSelectedIndexFromDOM())},E.prototype.setDisabledItemsFocusable=function(e){this.areDisabledItemsFocusable=e},E.prototype.maybeInitializeSingleSelection=function(){var e=this.getSelectedIndexFromDOM();e!==y.numbers.UNSET_INDEX&&(this.adapter.listItemAtIndexHasClass(e,y.cssClasses.LIST_ITEM_ACTIVATED_CLASS)&&this.setUseActivatedClass(!0),this.isSingleSelectionList=!0,this.selectedIndex=e)},E.prototype.getSelectedIndexFromDOM=function(){for(var e=y.numbers.UNSET_INDEX,t=this.adapter.getListItemCount(),n=0;n<t;n++){var i=this.adapter.listItemAtIndexHasClass(n,y.cssClasses.LIST_ITEM_SELECTED_CLASS),s=this.adapter.listItemAtIndexHasClass(n,y.cssClasses.LIST_ITEM_ACTIVATED_CLASS);if(i||s){e=n;break}}return 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t=this;0<=e&&(this.adapter.setAttributeForElementIndex(e,"tabindex","-1"),this.adapter.setTabIndexForListItemChildren(e,"-1")),setTimeout(function(){t.adapter.isFocusInsideList()||t.setTabindexToFirstSelectedOrFocusedItem()},0)},E.prototype.isIndexDisabled=function(e){return this.adapter.listItemAtIndexHasClass(e,y.cssClasses.LIST_ITEM_DISABLED_CLASS)},E.prototype.handleKeydown=function(e,t,n){var i,s=this,r="ArrowLeft"===C.normalizeKey(e),o="ArrowUp"===C.normalizeKey(e),a="ArrowRight"===C.normalizeKey(e),d="ArrowDown"===C.normalizeKey(e),u="Home"===C.normalizeKey(e),c="End"===C.normalizeKey(e),l="Enter"===C.normalizeKey(e),h="Spacebar"===C.normalizeKey(e),f=this.isVertical&&d||!this.isVertical&&a,I=this.isVertical&&o||!this.isVertical&&r,E="A"===e.key||"a"===e.key,p=T(e);if(this.adapter.isRootFocused()){if((I||c)&&p([])?(e.preventDefault(),this.focusLastElement()):(f||u)&&p([])?(e.preventDefault(),this.focusFirstElement()):I&&p(["Shift"])&&this.isCheckboxList?(e.preventDefault(),-1!==(S=this.focusLastElement())&&this.setSelectedIndexOnAction(S,!1)):f&&p(["Shift"])&&this.isCheckboxList&&(e.preventDefault(),-1!==(S=this.focusFirstElement())&&this.setSelectedIndexOnAction(S,!1)),this.hasTypeahead){var m={event:e,focusItemAtIndex:function(e){s.focusItemAtIndex(e)},focusedItemIndex:-1,isTargetListItem:t,sortedIndexByFirstChar:this.sortedIndexByFirstChar,isItemAtIndexDisabled:function(e){return s.isIndexDisabled(e)}};b.handleKeydown(m,this.typeaheadState)}}else{var x=this.adapter.getFocusedElementIndex();if(!(-1===x&&(x=n)<0)){if(f&&p([]))_.preventDefaultEvent(e),this.focusNextElement(x);else if(I&&p([]))_.preventDefaultEvent(e),this.focusPrevElement(x);else if(f&&p(["Shift"])&&this.isCheckboxList)_.preventDefaultEvent(e),-1!==(S=this.focusNextElement(x))&&this.setSelectedIndexOnAction(S,!1);else if(I&&p(["Shift"])&&this.isCheckboxList){var S;_.preventDefaultEvent(e),-1!==(S=this.focusPrevElement(x))&&this.setSelectedIndexOnAction(S,!1)}else if(u&&p([]))_.preventDefaultEvent(e),this.focusFirstElement();else if(c&&p([]))_.preventDefaultEvent(e),this.focusLastElement();else 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A;if((A=e.target)&&"A"===A.tagName&&l)return;if(_.preventDefaultEvent(e),this.isIndexDisabled(x))return;this.isTypeaheadInProgress()||(this.toggleCheckboxRange(null!==(i=this.lastSelectedIndex)&&void 0!==i?i:x,x,x),this.adapter.notifyAction(x))}this.hasTypeahead&&(m={event:e,focusItemAtIndex:function(e){s.focusItemAtIndex(e)},focusedItemIndex:this.focusedItemIndex,isTargetListItem:t,sortedIndexByFirstChar:this.sortedIndexByFirstChar,isItemAtIndexDisabled:function(e){return s.isIndexDisabled(e)}},b.handleKeydown(m,this.typeaheadState))}}},E.prototype.handleClick=function(e,t,n){var i,s=T(n);e!==y.numbers.UNSET_INDEX&&(this.isIndexDisabled(e)||(s([])?(this.isSelectableList()&&this.setSelectedIndexOnAction(e,t),this.adapter.notifyAction(e)):this.isCheckboxList&&s(["Shift"])&&(this.toggleCheckboxRange(null!==(i=this.lastSelectedIndex)&&void 0!==i?i:e,e,e),this.adapter.notifyAction(e))))},E.prototype.focusNextElement=function(e){var 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i=t?this.ariaCurrentAttrValue:"true";this.adapter.setAttributeForElementIndex(e,n,i)}},E.prototype.getSelectionAttribute=function(){return this.useSelectedAttr?y.strings.ARIA_SELECTED:y.strings.ARIA_CHECKED},E.prototype.setRadioAtIndex=function(e,t){void 0===t&&(t={});var n=this.getSelectionAttribute();this.adapter.setCheckedCheckboxOrRadioAtIndex(e,!0),this.selectedIndex===e&&!t.forceUpdate||(this.selectedIndex!==y.numbers.UNSET_INDEX&&this.adapter.setAttributeForElementIndex(this.selectedIndex,n,"false"),this.adapter.setAttributeForElementIndex(e,n,"true"),this.selectedIndex=e,t.isUserInteraction&&!t.forceUpdate&&this.adapter.notifySelectionChange([e]))},E.prototype.setCheckboxAtIndex=function(e,t){void 0===t&&(t={});for(var n=this.selectedIndex,i=t.isUserInteraction?new Set(n===y.numbers.UNSET_INDEX?[]:n):null,s=this.getSelectionAttribute(),r=[],o=0;o<this.adapter.getListItemCount();o++){var a=null==i?void 0:i.has(o),d=0<=e.indexOf(o);d!==a&&r.push(o),this.adapter.setCheckedCheckboxOrRadioAtIndex(o,d),this.adapter.setAttributeForElementIndex(o,s,d?"true":"false")}this.selectedIndex=e,t.isUserInteraction&&r.length&&this.adapter.notifySelectionChange(r)},E.prototype.toggleCheckboxRange=function(e,t,n){this.lastSelectedIndex=n;for(var i=new Set(this.selectedIndex===y.numbers.UNSET_INDEX?[]:this.selectedIndex),s=!(null==i?void 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this.isSingleSelectionList||this.isCheckboxList||this.isRadioList},E.prototype.setTabindexToFirstSelectedOrFocusedItem=function(){var e=this.getFirstSelectedOrFocusedItemIndex();this.setTabindexAtIndex(e)},E.prototype.getFirstSelectedOrFocusedItemIndex=function(){return this.isSelectableList()?"number"==typeof this.selectedIndex&&this.selectedIndex!==y.numbers.UNSET_INDEX?this.selectedIndex:function(e){return e instanceof Array}(this.selectedIndex)&&0<this.selectedIndex.length?this.selectedIndex.reduce(function(e,t){return Math.min(e,t)}):0:Math.max(this.focusedItemIndex,0)},E.prototype.isIndexValid=function(e,t){var n=this;if(void 0===t&&(t=!0),e instanceof Array){if(!this.isCheckboxList&&t)throw new Error("MDCListFoundation: Array of index is only supported for checkbox based list");return 0===e.length||e.some(function(e){return n.isIndexInRange(e)})}if("number"!=typeof e)return!1;if(this.isCheckboxList&&t)throw new Error("MDCListFoundation: Expected array of index for checkbox based 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n=this.adapter.getListItemCount();if(e.length===n)this.setCheckboxAtIndex([],{isUserInteraction:t});else{for(var i=[],s=0;s<n;s++)(!this.isIndexDisabled(s)||-1<e.indexOf(s))&&i.push(s);this.setCheckboxAtIndex(i,{isUserInteraction:t})}},E.prototype.typeaheadMatchItem=function(e,t,n){var i=this;void 0===n&&(n=!1);var s={focusItemAtIndex:function(e){i.focusItemAtIndex(e)},focusedItemIndex:t||this.focusedItemIndex,nextChar:e,sortedIndexByFirstChar:this.sortedIndexByFirstChar,skipFocus:n,isItemAtIndexDisabled:function(e){return i.isIndexDisabled(e)}};return b.matchItem(s,this.typeaheadState)},E.prototype.typeaheadInitSortedIndex=function(){return b.initSortedIndex(this.adapter.getListItemCount(),this.adapter.getPrimaryTextAtIndex)},E.prototype.clearTypeaheadBuffer=function(){b.clearBuffer(this.typeaheadState)},E);function E(e){var t=f.call(this,r(r({},E.defaultAdapter),e))||this;return t.wrapFocus=!1,t.isVertical=!0,t.isSingleSelectionList=!1,t.areDisabledItemsFocusable=!0,t.selectedIndex=y.numbers.UNSET_INDEX,t.focusedItemIndex=y.numbers.UNSET_INDEX,t.useActivatedClass=!1,t.useSelectedAttr=!1,t.ariaCurrentAttrValue=null,t.isCheckboxList=!1,t.isRadioList=!1,t.lastSelectedIndex=null,t.hasTypeahead=!1,t.typeaheadState=b.initState(),t.sortedIndexByFirstChar=new Map,t}t.MDCListFoundation=I,t.default=I},192:function(e,t,n){"use strict";var i=this&&this.__createBinding||(Object.create?function(e,t,n,i){void 0===i&&(i=n),Object.defineProperty(e,i,{enumerable:!0,get:function(){return t[n]}})}:function(e,t,n,i){void 0===i&&(i=n),e[i]=t[n]}),s=this&&this.__exportStar||function(e,t){for(var n in e)"default"===n||Object.prototype.hasOwnProperty.call(t,n)||i(t,e,n)};Object.defineProperty(t,"__esModule",{value:!0}),s(n(193),t),s(n(22),t),s(n(9),t),s(n(14),t),s(n(194),t)},193:function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0})},194:function(e,t,n){"use 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