material-components-web/dist/material-components-web.min.js

Modular and customizable Material Design UI components for the web

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/material-components/material-components-web/blob/master/LICENSE
 */
!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.mdc=e():t.mdc=e()}(this,function(){return function(t){function e(r){if(n[r])return n[r].exports;var i=n[r]={i:r,l:!1,exports:{}};return t[r].call(i.exports,i,i.exports,e),i.l=!0,i.exports}var n={};return e.m=t,e.c=n,e.d=function(t,n,r){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:r})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=100)}([function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t){void 0===t&&(t={}),this.adapter_=t}return Object.defineProperty(t,"cssClasses",{get:function(){return{}},enumerable:!0,configurable:!0}),Object.defineProperty(t,"strings",{get:function(){return{}},enumerable:!0,configurable:!0}),Object.defineProperty(t,"numbers",{get:function(){return{}},enumerable:!0,configurable:!0}),Object.defineProperty(t,"defaultAdapter",{get:function(){return{}},enumerable:!0,configurable:!0}),t.prototype.init=function(){},t.prototype.destroy=function(){},t}();e.MDCFoundation=r,e.default=r},function(t,e,n){"use strict";var r=this&&this.__read||function(t,e){var n="function"==typeof Symbol&&t[Symbol.iterator];if(!n)return t;var r,i,o=n.call(t),s=[];try{for(;(void 0===e||e-- >0)&&!(r=o.next()).done;)s.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 s},i=this&&this.__spread||function(){for(var t=[],e=0;e<arguments.length;e++)t=t.concat(r(arguments[e]));return t};Object.defineProperty(e,"__esModule",{value:!0});var o=n(0),s=function(){function t(t,e){for(var n=[],r=2;r<arguments.length;r++)n[r-2]=arguments[r];this.root_=t,this.initialize.apply(this,i(n)),this.foundation_=void 0===e?this.getDefaultFoundation():e,this.foundation_.init(),this.initialSyncWithDOM()}return t.attachTo=function(e){return new t(e,new o.MDCFoundation({}))},t.prototype.initialize=function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e]},t.prototype.getDefaultFoundation=function(){throw new Error("Subclasses must override getDefaultFoundation to return a properly configured foundation class")},t.prototype.initialSyncWithDOM=function(){},t.prototype.destroy=function(){this.foundation_.destroy()},t.prototype.listen=function(t,e){this.root_.addEventListener(t,e)},t.prototype.unlisten=function(t,e){this.root_.removeEventListener(t,e)},t.prototype.emit=function(t,e,n){void 0===n&&(n=!1);var r;"function"==typeof CustomEvent?r=new CustomEvent(t,{bubbles:n,detail:e}):(r=document.createEvent("CustomEvent"),r.initCustomEvent(t,n,!1,e)),this.root_.dispatchEvent(r)},t}();e.MDCComponent=s,e.default=s},function(t,e,n){"use strict";var r=this&&this.__extends||function(){var t=function(e,n){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])})(e,n)};return function(e,n){function r(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}(),i=this&&this.__importStar||function(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var n in t)Object.hasOwnProperty.call(t,n)&&(e[n]=t[n]);return e.default=t,e};Object.defineProperty(e,"__esModule",{value:!0});var o=n(1),s=n(3),a=n(4),c=i(n(13)),u=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.disabled=!1,e}return r(e,t),e.attachTo=function(t,n){void 0===n&&(n={isUnbounded:void 0});var r=new e(t);return void 0!==n.isUnbounded&&(r.unbounded=n.isUnbounded),r},e.createAdapter=function(t){return{addClass:function(e){return t.root_.classList.add(e)},browserSupportsCssVars:function(){return c.supportsCssVariables(window)},computeBoundingRect:function(){return t.root_.getBoundingClientRect()},containsEventTarget:function(e){return t.root_.contains(e)},deregisterDocumentInteractionHandler:function(t,e){return document.documentElement.removeEventListener(t,e,c.applyPassive())},deregisterInteractionHandler:function(e,n){return t.root_.removeEventListener(e,n,c.applyPassive())},deregisterResizeHandler:function(t){return window.removeEventListener("resize",t)},getWindowPageOffset:function(){return{x:window.pageXOffset,y:window.pageYOffset}},isSurfaceActive:function(){return s.matches(t.root_,":active")},isSurfaceDisabled:function(){return Boolean(t.disabled)},isUnbounded:function(){return Boolean(t.unbounded)},registerDocumentInteractionHandler:function(t,e){return document.documentElement.addEventListener(t,e,c.applyPassive())},registerInteractionHandler:function(e,n){return t.root_.addEventListener(e,n,c.applyPassive())},registerResizeHandler:function(t){return window.addEventListener("resize",t)},removeClass:function(e){return t.root_.classList.remove(e)},updateCssVariable:function(e,n){return t.root_.style.setProperty(e,n)}}},Object.defineProperty(e.prototype,"unbounded",{get:function(){return Boolean(this.unbounded_)},set:function(t){this.unbounded_=Boolean(t),this.setUnbounded_()},enumerable:!0,configurable:!0}),e.prototype.activate=function(){this.foundation_.activate()},e.prototype.deactivate=function(){this.foundation_.deactivate()},e.prototype.layout=function(){this.foundation_.layout()},e.prototype.getDefaultFoundation=function(){return new a.MDCRippleFoundation(e.createAdapter(this))},e.prototype.initialSyncWithDOM=function(){var t=this.root_;this.unbounded="mdcRippleIsUnbounded"in t.dataset},e.prototype.setUnbounded_=function(){this.foundation_.setUnbounded(Boolean(this.unbounded_))},e}(o.MDCComponent);e.MDCRipple=u},function(t,e,n){"use strict";function r(t,e){if(t.closest)return t.closest(e);for(var n=t;n;){if(i(n,e))return n;n=n.parentElement}return null}function i(t,e){return(t.matches||t.webkitMatchesSelector||t.msMatchesSelector).call(t,e)}Object.defineProperty(e,"__esModule",{value:!0}),e.closest=r,e.matches=i},function(t,e,n){"use strict";var r=this&&this.__extends||function(){var t=function(e,n){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])})(e,n)};return function(e,n){function r(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}(),i=this&&this.__assign||function(){return i=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++){e=arguments[n];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t},i.apply(this,arguments)};Object.defineProperty(e,"__esModule",{value:!0});var o=n(0),s=n(34),a=n(13),c=["touchstart","pointerdown","mousedown","keydown"],u=["touchend","pointerup","mouseup","contextmenu"],l=[],d=function(t){function e(n){var r=t.call(this,i({},e.defaultAdapter,n))||this;return r.activationAnimationHasEnded_=!1,r.activationTimer_=0,r.fgDeactivationRemovalTimer_=0,r.fgScale_="0",r.frame_={width:0,height:0},r.initialSize_=0,r.layoutFrame_=0,r.maxRadius_=0,r.unboundedCoords_={left:0,top:0},r.activationState_=r.defaultActivationState_(),r.activationTimerCallback_=function(){r.activationAnimationHasEnded_=!0,r.runDeactivationUXLogicIfReady_()},r.activateHandler_=function(t){return r.activate_(t)},r.deactivateHandler_=function(){return r.deactivate_()},r.focusHandler_=function(){return r.handleFocus()},r.blurHandler_=function(){return r.handleBlur()},r.resizeHandler_=function(){return r.layout()},r}return r(e,t),Object.defineProperty(e,"cssClasses",{get:function(){return s.cssClasses},enumerable:!0,configurable:!0}),Object.defineProperty(e,"strings",{get:function(){return s.strings},enumerable:!0,configurable:!0}),Object.defineProperty(e,"numbers",{get:function(){return s.numbers},enumerable:!0,configurable:!0}),Object.defineProperty(e,"defaultAdapter",{get:function(){return{addClass:function(){},browserSupportsCssVars:function(){return!0},computeBoundingRect:function(){return{top:0,right:0,bottom:0,left:0,width:0,height:0}},containsEventTarget:function(){return!0},deregisterDocumentInteractionHandler:function(){},deregisterInteractionHandler:function(){},deregisterResizeHandler:function(){},getWindowPageOffset:function(){return{x:0,y:0}},isSurfaceActive:function(){return!0},isSurfaceDisabled:function(){return!0},isUnbounded:function(){return!0},registerDocumentInteractionHandler:function(){},registerInteractionHandler:function(){},registerResizeHandler:function(){},removeClass:function(){},updateCssVariable:function(){}}},enumerable:!0,configurable:!0}),e.prototype.init=function(){var t=this,n=this.supportsPressRipple_();if(this.registerRootHandlers_(n),n){var r=e.cssClasses,i=r.ROOT,o=r.UNBOUNDED;requestAnimationFrame(function(){t.adapter_.addClass(i),t.adapter_.isUnbounded()&&(t.adapter_.addClass(o),t.layoutInternal_())})}},e.prototype.destroy=function(){var t=this;if(this.supportsPressRipple_()){this.activationTimer_&&(clearTimeout(this.activationTimer_),this.activationTimer_=0,this.adapter_.removeClass(e.cssClasses.FG_ACTIVATION)),this.fgDeactivationRemovalTimer_&&(clearTimeout(this.fgDeactivationRemovalTimer_),this.fgDeactivationRemovalTimer_=0,this.adapter_.removeClass(e.cssClasses.FG_DEACTIVATION));var n=e.cssClasses,r=n.ROOT,i=n.UNBOUNDED;requestAnimationFrame(function(){t.adapter_.removeClass(r),t.adapter_.removeClass(i),t.removeCssVars_()})}this.deregisterRootHandlers_(),this.deregisterDeactivationHandlers_()},e.prototype.activate=function(t){this.activate_(t)},e.prototype.deactivate=function(){this.deactivate_()},e.prototype.layout=function(){var t=this;this.layoutFrame_&&cancelAnimationFrame(this.layoutFrame_),this.layoutFrame_=requestAnimationFrame(function(){t.layoutInternal_(),t.layoutFrame_=0})},e.prototype.setUnbounded=function(t){var n=e.cssClasses.UNBOUNDED;t?this.adapter_.addClass(n):this.adapter_.removeClass(n)},e.prototype.handleFocus=function(){var t=this;requestAnimationFrame(function(){return t.adapter_.addClass(e.cssClasses.BG_FOCUSED)})},e.prototype.handleBlur=function(){var t=this;requestAnimationFrame(function(){return t.adapter_.removeClass(e.cssClasses.BG_FOCUSED)})},e.prototype.supportsPressRipple_=function(){return this.adapter_.browserSupportsCssVars()},e.prototype.defaultActivationState_=function(){return{activationEvent:void 0,hasDeactivationUXRun:!1,isActivated:!1,isProgrammatic:!1,wasActivatedByPointer:!1,wasElementMadeActive:!1}},e.prototype.registerRootHandlers_=function(t){var e=this;t&&(c.forEach(function(t){e.adapter_.registerInteractionHandler(t,e.activateHandler_)}),this.adapter_.isUnbounded()&&this.adapter_.registerResizeHandler(this.resizeHandler_)),this.adapter_.registerInteractionHandler("focus",this.focusHandler_),this.adapter_.registerInteractionHandler("blur",this.blurHandler_)},e.prototype.registerDeactivationHandlers_=function(t){var e=this;"keydown"===t.type?this.adapter_.registerInteractionHandler("keyup",this.deactivateHandler_):u.forEach(function(t){e.adapter_.registerDocumentInteractionHandler(t,e.deactivateHandler_)})},e.prototype.deregisterRootHandlers_=function(){var t=this;c.forEach(function(e){t.adapter_.deregisterInteractionHandler(e,t.activateHandler_)}),this.adapter_.deregisterInteractionHandler("focus",this.focusHandler_),this.adapter_.deregisterInteractionHandler("blur",this.blurHandler_),this.adapter_.isUnbounded()&&this.adapter_.deregisterResizeHandler(this.resizeHandler_)},e.prototype.deregisterDeactivationHandlers_=function(){var t=this;this.adapter_.deregisterInteractionHandler("keyup",this.deactivateHandler_),u.forEach(function(e){t.adapter_.deregisterDocumentInteractionHandler(e,t.deactivateHandler_)})},e.prototype.removeCssVars_=function(){var t=this,n=e.strings;Object.keys(n).forEach(function(e){0===e.indexOf("VAR_")&&t.adapter_.updateCssVariable(n[e],null)})},e.prototype.activate_=function(t){var e=this;if(!this.adapter_.isSurfaceDisabled()){var n=this.activationState_;if(!n.isActivated){var r=this.previousActivationEvent_;if(!r||void 0===t||r.type===t.type){if(n.isActivated=!0,n.isProgrammatic=void 0===t,n.activationEvent=t,n.wasActivatedByPointer=!n.isProgrammatic&&void 0!==t&&("mousedown"===t.type||"touchstart"===t.type||"pointerdown"===t.type),void 0!==t&&l.length>0&&l.some(function(t){return e.adapter_.containsEventTarget(t)}))return void this.resetActivationState_();void 0!==t&&(l.push(t.target),this.registerDeactivationHandlers_(t)),n.wasElementMadeActive=this.checkElementMadeActive_(t),n.wasElementMadeActive&&this.animateActivation_(),requestAnimationFrame(function(){l=[],n.wasElementMadeActive||void 0===t||" "!==t.key&&32!==t.keyCode||(n.wasElementMadeActive=e.checkElementMadeActive_(t),n.wasElementMadeActive&&e.animateActivation_()),n.wasElementMadeActive||(e.activationState_=e.defaultActivationState_())})}}}},e.prototype.checkElementMadeActive_=function(t){return void 0===t||"keydown"!==t.type||this.adapter_.isSurfaceActive()},e.prototype.animateActivation_=function(){var t=this,n=e.strings,r=n.VAR_FG_TRANSLATE_START,i=n.VAR_FG_TRANSLATE_END,o=e.cssClasses,s=o.FG_DEACTIVATION,a=o.FG_ACTIVATION,c=e.numbers.DEACTIVATION_TIMEOUT_MS;this.layoutInternal_();var u="",l="";if(!this.adapter_.isUnbounded()){var d=this.getFgTranslationCoordinates_(),_=d.startPoint,f=d.endPoint;u=_.x+"px, "+_.y+"px",l=f.x+"px, "+f.y+"px"}this.adapter_.updateCssVariable(r,u),this.adapter_.updateCssVariable(i,l),clearTimeout(this.activationTimer_),clearTimeout(this.fgDeactivationRemovalTimer_),this.rmBoundedActivationClasses_(),this.adapter_.removeClass(s),this.adapter_.computeBoundingRect(),this.adapter_.addClass(a),this.activationTimer_=setTimeout(function(){return t.activationTimerCallback_()},c)},e.prototype.getFgTranslationCoordinates_=function(){var t,e=this.activationState_,n=e.activationEvent;return t=e.wasActivatedByPointer?a.getNormalizedEventCoords(n,this.adapter_.getWindowPageOffset(),this.adapter_.computeBoundingRect()):{x:this.frame_.width/2,y:this.frame_.height/2},t={x:t.x-this.initialSize_/2,y:t.y-this.initialSize_/2},{startPoint:t,endPoint:{x:this.frame_.width/2-this.initialSize_/2,y:this.frame_.height/2-this.initialSize_/2}}},e.prototype.runDeactivationUXLogicIfReady_=function(){var t=this,n=e.cssClasses.FG_DEACTIVATION,r=this.activationState_,i=r.hasDeactivationUXRun,o=r.isActivated;(i||!o)&&this.activationAnimationHasEnded_&&(this.rmBoundedActivationClasses_(),this.adapter_.addClass(n),this.fgDeactivationRemovalTimer_=setTimeout(function(){t.adapter_.removeClass(n)},s.numbers.FG_DEACTIVATION_MS))},e.prototype.rmBoundedActivationClasses_=function(){var t=e.cssClasses.FG_ACTIVATION;this.adapter_.removeClass(t),this.activationAnimationHasEnded_=!1,this.adapter_.computeBoundingRect()},e.prototype.resetActivationState_=function(){var t=this;this.previousActivationEvent_=this.activationState_.activationEvent,this.activationState_=this.defaultActivationState_(),setTimeout(function(){return t.previousActivationEvent_=void 0},e.numbers.TAP_DELAY_MS)},e.prototype.deactivate_=function(){var t=this,e=this.activationState_;if(e.isActivated){var n=i({},e);e.isProgrammatic?(requestAnimationFrame(function(){return t.animateDeactivation_(n)}),this.resetActivationState_()):(this.deregisterDeactivationHandlers_(),requestAnimationFrame(function(){t.activationState_.hasDeactivationUXRun=!0,t.animateDeactivation_(n),t.resetActivationState_()}))}},e.prototype.animateDeactivation_=function(t){var e=t.wasActivatedByPointer,n=t.wasElementMadeActive;(e||n)&&this.runDeactivationUXLogicIfReady_()},e.prototype.layoutInternal_=function(){var t=this;this.frame_=this.adapter_.computeBoundingRect();var n=Math.max(this.frame_.height,this.frame_.width);this.maxRadius_=this.adapter_.isUnbounded()?n:function(){return Math.sqrt(Math.pow(t.frame_.width,2)+Math.pow(t.frame_.height,2))+e.numbers.PADDING}(),this.initialSize_=Math.floor(n*e.numbers.INITIAL_ORIGIN_SCALE),this.fgScale_=""+this.maxRadius_/this.initialSize_,this.updateLayoutCssVars_()},e.prototype.updateLayoutCssVars_=function(){var t=e.strings,n=t.VAR_FG_SIZE,r=t.VAR_LEFT,i=t.VAR_TOP,o=t.VAR_FG_SCALE;this.adapter_.updateCssVariable(n,this.initialSize_+"px"),this.adapter_.updateCssVariable(o,this.fgScale_),this.adapter_.isUnbounded()&&(this.unboundedCoords_={left:Math.round(this.frame_.width/2-this.initialSize_/2),top:Math.round(this.frame_.height/2-this.initialSize_/2)},this.adapter_.updateCssVariable(r,this.unboundedCoords_.left+"px"),this.adapter_.updateCssVariable(i,this.unboundedCoords_.top+"px"))},e}(o.MDCFoundation);e.MDCRippleFoundation=d,e.default=d},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r={ANCHOR:"mdc-menu-surface--anchor",ANIMATING_CLOSED:"mdc-menu-surface--animating-closed",ANIMATING_OPEN:"mdc-menu-surface--animating-open",FIXED:"mdc-menu-surface--fixed",OPEN:"mdc-menu-surface--open",ROOT:"mdc-menu-surface"};e.cssClasses=r;var i={CLOSED_EVENT:"MDCMenuSurface:closed",OPENED_EVENT:"MDCMenuSurface:opened",FOCUSABLE_ELEMENTS:["button:not(:disabled)",'[href]:not([aria-disabled="true"])',"input:not(:disabled)","select:not(:disabled)","textarea:not(:disabled)",'[tabindex]:not([tabindex="-1"]):not([aria-disabled="true"])'].join(", ")};e.strings=i;var o={TRANSITION_OPEN_DURATION:120,TRANSITION_CLOSE_DURATION:75,MARGIN_TO_EDGE:32,ANCHOR_TO_MENU_SURFACE_WIDTH_RATIO:.67};e.numbers=o;var s;!function(t){t[t.BOTTOM=1]="BOTTOM",t[t.CENTER=2]="CENTER",t[t.RIGHT=4]="RIGHT",t[t.FLIP_RTL=8]="FLIP_RTL"}(s||(s={})),e.CornerBit=s;var a;!function(t){t[t.TOP_LEFT=0]="TOP_LEFT",t[t.TOP_RIGHT=4]="TOP_RIGHT",t[t.BOTTOM_LEFT=1]="BOTTOM_LEFT",t[t.BOTTOM_RIGHT=5]="BOTTOM_RIGHT",t[t.TOP_START=8]="TOP_START",t[t.TOP_END=12]="TOP_END",t[t.BOTTOM_START=9]="BOTTOM_START",t[t.BOTTOM_END=13]="BOTTOM_END"}(a||(a={})),e.Corner=a},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r={FIXED_CLASS:"mdc-top-app-bar--fixed",FIXED_SCROLLED_CLASS:"mdc-top-app-bar--fixed-scrolled",SHORT_CLASS:"mdc-top-app-bar--short",SHORT_COLLAPSED_CLASS:"mdc-top-app-bar--short-collapsed",SHORT_HAS_ACTION_ITEM_CLASS:"mdc-top-app-bar--short-has-action-item"};e.cssClasses=r;var i={DEBOUNCE_THROTTLE_RESIZE_TIME_MS:100,MAX_TOP_APP_BAR_HEIGHT:128};e.numbers=i;var o={ACTION_ITEM_SELECTOR:".mdc-top-app-bar__action-item",NAVIGATION_EVENT:"MDCTopAppBar:nav",NAVIGATION_ICON_SELECTOR:".mdc-top-app-bar__navigation-icon",ROOT_SELECTOR:".mdc-top-app-bar",TITLE_SELECTOR:".mdc-top-app-bar__title"};e.strings=o},function(t,e,n){"use strict";function r(t){return t instanceof Array}var i=this&&this.__extends||function(){var t=function(e,n){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])})(e,n)};return function(e,n){function r(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}(),o=this&&this.__assign||function(){return o=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++){e=arguments[n];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t},o.apply(this,arguments)};Object.defineProperty(e,"__esModule",{value:!0});var s=n(0),a=n(17),c=["input","button","textarea","select"],u=function(t){function e(n){var r=t.call(this,o({},e.defaultAdapter,n))||this;return r.wrapFocus_=!1,r.isVertical_=!0,r.isSingleSelectionList_=!1,r.selectedIndex_=a.numbers.UNSET_INDEX,r.focusedItemIndex_=a.numbers.UNSET_INDEX,r.useActivatedClass_=!1,r.ariaCurrentAttrValue_=null,r.isCheckboxList_=!1,r.isRadioList_=!1,r}return i(e,t),Object.defineProperty(e,"strings",{get:function(){return a.strings},enumerable:!0,configurable:!0}),Object.defineProperty(e,"cssClasses",{get:function(){return a.cssClasses},enumerable:!0,configurable:!0}),Object.defineProperty(e,"numbers",{get:function(){return a.numbers},enumerable:!0,configurable:!0}),Object.defineProperty(e,"defaultAdapter",{get:function(){return{addClassForElementIndex:function(){},focusItemAtIndex:function(){},getAttributeForElementIndex:function(){return null},getFocusedElementIndex:function(){return 0},getListItemCount:function(){return 0},hasCheckboxAtIndex:function(){return!1},hasRadioAtIndex:function(){return!1},isCheckboxCheckedAtIndex:function(){return!1},isFocusInsideList:function(){return!1},isRootFocused:function(){return!1},notifyAction:function(){},removeClassForElementIndex:function(){},setAttributeForElementIndex:function(){},setCheckedCheckboxOrRadioAtIndex:function(){},setTabIndexForListItemChildren:function(){}}},enumerable:!0,configurable:!0}),e.prototype.layout=function(){0!==this.adapter_.getListItemCount()&&(this.adapter_.hasCheckboxAtIndex(0)?this.isCheckboxList_=!0:this.adapter_.hasRadioAtIndex(0)&&(this.isRadioList_=!0))},e.prototype.setWrapFocus=function(t){this.wrapFocus_=t},e.prototype.setVerticalOrientation=function(t){this.isVertical_=t},e.prototype.setSingleSelection=function(t){this.isSingleSelectionList_=t},e.prototype.setUseActivatedClass=function(t){this.useActivatedClass_=t},e.prototype.getSelectedIndex=function(){return this.selectedIndex_},e.prototype.setSelectedIndex=function(t){this.isIndexValid_(t)&&(this.isCheckboxList_?this.setCheckboxAtIndex_(t):this.isRadioList_?this.setRadioAtIndex_(t):this.setSingleSelectionAtIndex_(t))},e.prototype.handleFocusIn=function(t,e){e>=0&&this.adapter_.setTabIndexForListItemChildren(e,"0")},e.prototype.handleFocusOut=function(t,e){var n=this;e>=0&&this.adapter_.setTabIndexForListItemChildren(e,"-1"),setTimeout(function(){n.adapter_.isFocusInsideList()||n.setTabindexToFirstSelectedItem_()},0)},e.prototype.handleKeydown=function(t,e,n){var r="ArrowLeft"===t.key||37===t.keyCode,i="ArrowUp"===t.key||38===t.keyCode,o="ArrowRight"===t.key||39===t.keyCode,s="ArrowDown"===t.key||40===t.keyCode,a="Home"===t.key||36===t.keyCode,c="End"===t.key||35===t.keyCode,u="Enter"===t.key||13===t.keyCode,l="Space"===t.key||32===t.keyCode;if(this.adapter_.isRootFocused())return void(i||c?(t.preventDefault(),this.focusLastElement()):(s||a)&&(t.preventDefault(),this.focusFirstElement()));var d=this.adapter_.getFocusedElementIndex();if(!(-1===d&&(d=n)<0)){var _;if(this.isVertical_&&s||!this.isVertical_&&o)this.preventDefaultEvent_(t),_=this.focusNextElement(d);else if(this.isVertical_&&i||!this.isVertical_&&r)this.preventDefaultEvent_(t),_=this.focusPrevElement(d);else if(a)this.preventDefaultEvent_(t),_=this.focusFirstElement();else if(c)this.preventDefaultEvent_(t),_=this.focusLastElement();else if((u||l)&&e){var f=t.target;if(f&&"A"===f.tagName&&u)return;this.preventDefaultEvent_(t),this.isSelectableList_()&&this.setSelectedIndexOnAction_(d),this.adapter_.notifyAction(d)}this.focusedItemIndex_=d,void 0!==_&&(this.setTabindexAtIndex_(_),this.focusedItemIndex_=_)}},e.prototype.handleClick=function(t,e){t!==a.numbers.UNSET_INDEX&&(this.isSelectableList_()&&this.setSelectedIndexOnAction_(t,e),this.adapter_.notifyAction(t),this.setTabindexAtIndex_(t),this.focusedItemIndex_=t)},e.prototype.focusNextElement=function(t){var e=this.adapter_.getListItemCount(),n=t+1;if(n>=e){if(!this.wrapFocus_)return t;n=0}return this.adapter_.focusItemAtIndex(n),n},e.prototype.focusPrevElement=function(t){var e=t-1;if(e<0){if(!this.wrapFocus_)return t;e=this.adapter_.getListItemCount()-1}return this.adapter_.focusItemAtIndex(e),e},e.prototype.focusFirstElement=function(){return this.adapter_.focusItemAtIndex(0),0},e.prototype.focusLastElement=function(){var t=this.adapter_.getListItemCount()-1;return this.adapter_.focusItemAtIndex(t),t},e.prototype.preventDefaultEvent_=function(t){var e=t.target,n=(""+e.tagName).toLowerCase();-1===c.indexOf(n)&&t.preventDefault()},e.prototype.setSingleSelectionAtIndex_=function(t){if(this.selectedIndex_!==t){var e=a.cssClasses.LIST_ITEM_SELECTED_CLASS;this.useActivatedClass_&&(e=a.cssClasses.LIST_ITEM_ACTIVATED_CLASS),this.selectedIndex_!==a.numbers.UNSET_INDEX&&this.adapter_.removeClassForElementIndex(this.selectedIndex_,e),this.adapter_.addClassForElementIndex(t,e),this.setAriaForSingleSelectionAtIndex_(t),this.selectedIndex_=t}},e.prototype.setAriaForSingleSelectionAtIndex_=function(t){this.selectedIndex_===a.numbers.UNSET_INDEX&&(this.ariaCurrentAttrValue_=this.adapter_.getAttributeForElementIndex(t,a.strings.ARIA_CURRENT));var e=null!==this.ariaCurrentAttrValue_,n=e?a.strings.ARIA_CURRENT:a.strings.ARIA_SELECTED;this.selectedIndex_!==a.numbers.UNSET_INDEX&&this.adapter_.setAttributeForElementIndex(this.selectedIndex_,n,"false");var r=e?this.ariaCurrentAttrValue_:"true";this.adapter_.setAttributeForElementIndex(t,n,r)},e.prototype.setRadioAtIndex_=function(t){this.adapter_.setCheckedCheckboxOrRadioAtIndex(t,!0),this.selectedIndex_!==a.numbers.UNSET_INDEX&&this.adapter_.setAttributeForElementIndex(this.selectedIndex_,a.strings.ARIA_CHECKED,"false"),this.adapter_.setAttributeForElementIndex(t,a.strings.ARIA_CHECKED,"true"),this.selectedIndex_=t},e.prototype.setCheckboxAtIndex_=function(t){for(var e=0;e<this.adapter_.getListItemCount();e++){var n=!1;t.indexOf(e)>=0&&(n=!0),this.adapter_.setCheckedCheckboxOrRadioAtIndex(e,n),this.adapter_.setAttributeForElementIndex(e,a.strings.ARIA_CHECKED,n?"true":"false")}this.selectedIndex_=t},e.prototype.setTabindexAtIndex_=function(t){this.focusedItemIndex_===a.numbers.UNSET_INDEX&&0!==t?this.adapter_.setAttributeForElementIndex(0,"tabindex","-1"):this.focusedItemIndex_>=0&&this.focusedItemIndex_!==t&&this.adapter_.setAttributeForElementIndex(this.focusedItemIndex_,"tabindex","-1"),this.adapter_.setAttributeForElementIndex(t,"tabindex","0")},e.prototype.isSelectableList_=function(){return this.isSingleSelectionList_||this.isCheckboxList_||this.isRadioList_},e.prototype.setTabindexToFirstSelectedItem_=function(){var t=0;this.isSelectableList_()&&("number"==typeof this.selectedIndex_&&this.selectedIndex_!==a.numbers.UNSET_INDEX?t=this.selectedIndex_:r(this.selectedIndex_)&&this.selectedIndex_.length>0&&(t=this.selectedIndex_.reduce(function(t,e){return Math.min(t,e)}))),this.setTabindexAtIndex_(t)},e.prototype.isIndexValid_=function(t){var e=this;if(t instanceof Array){if(!this.isCheckboxList_)throw new Error("MDCListFoundation: Array of index is only supported for checkbox based list");return 0===t.length||t.some(function(t){return e.isIndexInRange_(t)})}if("number"==typeof t){if(this.isCheckboxList_)throw new Error("MDCListFoundation: Expected array of index for checkbox based list but got number: "+t);return this.isIndexInRange_(t)}return!1},e.prototype.isIndexInRange_=function(t){var e=this.adapter_.getListItemCount();return t>=0&&t<e},e.prototype.setSelectedIndexOnAction_=function(t,e){void 0===e&&(e=!0),this.isCheckboxList_?this.toggleCheckboxAtIndex_(t,e):this.setSelectedIndex(t)},e.prototype.toggleCheckboxAtIndex_=function(t,e){var n=this.adapter_.isCheckboxCheckedAtIndex(t);e&&(n=!n,this.adapter_.setCheckedCheckboxOrRadioAtIndex(t,n)),this.adapter_.setAttributeForElementIndex(t,a.strings.ARIA_CHECKED,n?"true":"false");var r=this.selectedIndex_===a.numbers.UNSET_INDEX?[]:this.selectedIndex_.slice();n?r.push(t):r=r.filter(function(e){return e!==t}),this.selectedIndex_=r},e}(s.MDCFoundation);e.MDCListFoundation=u,e.default=u},function(t,e,n){"use strict";var r=this&&this.__extends||function(){var t=function(e,n){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])})(e,n)};return function(e,n){function r(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}(),i=this&&this.__assign||function(){return i=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++){e=arguments[n];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t},i.apply(this,arguments)},o=this&&this.__values||function(t){var e="function"==typeof Symbol&&t[Symbol.iterator],n=0;return e?e.call(t):{next:function(){return t&&n>=t.length&&(t=void 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a.Corner},enumerable:!0,configurable:!0}),Object.defineProperty(e,"defaultAdapter",{get:function(){return{addClass:function(){},removeClass:function(){},hasClass:function(){return!1},hasAnchor:function(){return!1},isElementInContainer:function(){return!1},isFocused:function(){return!1},isFirstElementFocused:function(){return!1},isLastElementFocused:function(){return!1},isRtl:function(){return!1},getInnerDimensions:function(){return{height:0,width:0}},getAnchorDimensions:function(){return null},getWindowDimensions:function(){return{height:0,width:0}},getBodyDimensions:function(){return{height:0,width:0}},getWindowScroll:function(){return{x:0,y:0}},setPosition:function(){},setMaxHeight:function(){},setTransformOrigin:function(){},saveFocus:function(){},restoreFocus:function(){},focusFirstElement:function(){},focusLastElement:function(){},notifyClose:function(){},notifyOpen:function(){}}},enumerable:!0,configurable:!0}),e.prototype.init=function(){var t=e.cssClasses,n=t.ROOT,r=t.OPEN;if(!this.adapter_.hasClass(n))throw new Error(n+" class required in root element.");this.adapter_.hasClass(r)&&(this.isOpen_=!0)},e.prototype.destroy=function(){clearTimeout(this.openAnimationEndTimerId_),clearTimeout(this.closeAnimationEndTimerId_),cancelAnimationFrame(this.animationRequestId_)},e.prototype.setAnchorCorner=function(t){this.anchorCorner_=t},e.prototype.setAnchorMargin=function(t){this.anchorMargin_.top=t.top||0,this.anchorMargin_.right=t.right||0,this.anchorMargin_.bottom=t.bottom||0,this.anchorMargin_.left=t.left||0},e.prototype.setIsHoisted=function(t){this.isHoistedElement_=t},e.prototype.setFixedPosition=function(t){this.isFixedPosition_=t},e.prototype.setAbsolutePosition=function(t,e){this.position_.x=this.isFinite_(t)?t:0,this.position_.y=this.isFinite_(e)?e:0},e.prototype.setQuickOpen=function(t){this.isQuickOpen_=t},e.prototype.isOpen=function(){return this.isOpen_},e.prototype.open=function(){var t=this;this.adapter_.saveFocus(),this.isQuickOpen_||this.adapter_.addClass(e.cssClasses.ANIMATING_OPEN),this.animationRequestId_=requestAnimationFrame(function(){t.adapter_.addClass(e.cssClasses.OPEN),t.dimensions_=t.adapter_.getInnerDimensions(),t.autoPosition_(),t.isQuickOpen_?t.adapter_.notifyOpen():t.openAnimationEndTimerId_=setTimeout(function(){t.openAnimationEndTimerId_=0,t.adapter_.removeClass(e.cssClasses.ANIMATING_OPEN),t.adapter_.notifyOpen()},a.numbers.TRANSITION_OPEN_DURATION)}),this.isOpen_=!0},e.prototype.close=function(){var t=this;this.isQuickOpen_||this.adapter_.addClass(e.cssClasses.ANIMATING_CLOSED),requestAnimationFrame(function(){t.adapter_.removeClass(e.cssClasses.OPEN),t.isQuickOpen_?t.adapter_.notifyClose():t.closeAnimationEndTimerId_=setTimeout(function(){t.closeAnimationEndTimerId_=0,t.adapter_.removeClass(e.cssClasses.ANIMATING_CLOSED),t.adapter_.notifyClose()},a.numbers.TRANSITION_CLOSE_DURATION)}),this.isOpen_=!1,this.maybeRestoreFocus_()},e.prototype.handleBodyClick=function(t){var e=t.target;this.adapter_.isElementInContainer(e)||this.close()},e.prototype.handleKeydown=function(t){var e=t.keyCode,n=t.key,r=t.shiftKey,i="Escape"===n||27===e,o="Tab"===n||9===e;i?this.close():o&&(this.adapter_.isLastElementFocused()&&!r?(this.adapter_.focusFirstElement(),t.preventDefault()):this.adapter_.isFirstElementFocused()&&r&&(this.adapter_.focusLastElement(),t.preventDefault()))},e.prototype.autoPosition_=function(){var t;this.measurements_=this.getAutoLayoutMeasurements_();var e=this.getOriginCorner_(),n=this.getMenuSurfaceMaxHeight_(e),r=this.hasBit_(e,a.CornerBit.BOTTOM)?"bottom":"top",i=this.hasBit_(e,a.CornerBit.RIGHT)?"right":"left",o=this.getHorizontalOriginOffset_(e),s=this.getVerticalOriginOffset_(e),c=this.measurements_,u=c.anchorSize,l=c.surfaceSize,d=(t={},t[i]=o,t[r]=s,t);u.width/l.width>a.numbers.ANCHOR_TO_MENU_SURFACE_WIDTH_RATIO&&(i="center"),(this.isHoistedElement_||this.isFixedPosition_)&&this.adjustPositionForHoistedElement_(d),this.adapter_.setTransformOrigin(i+" "+r),this.adapter_.setPosition(d),this.adapter_.setMaxHeight(n?n+"px":"")},e.prototype.getAutoLayoutMeasurements_=function(){var t=this.adapter_.getAnchorDimensions(),e=this.adapter_.getBodyDimensions(),n=this.adapter_.getWindowDimensions(),r=this.adapter_.getWindowScroll();return t||(t={top:this.position_.y,right:this.position_.x,bottom:this.position_.y,left:this.position_.x,width:0,height:0}),{anchorSize:t,bodySize:e,surfaceSize:this.dimensions_,viewportDistance:{top:t.top,right:n.width-t.right,bottom:n.height-t.bottom,left:t.left},viewportSize:n,windowScroll:r}},e.prototype.getOriginCorner_=function(){var t=a.Corner.TOP_LEFT,e=this.measurements_,n=e.viewportDistance,r=e.anchorSize,i=e.surfaceSize,o=this.hasBit_(this.anchorCorner_,a.CornerBit.BOTTOM),s=o?n.top+r.height+this.anchorMargin_.bottom:n.top+this.anchorMargin_.top,c=o?n.bottom-this.anchorMargin_.bottom:n.bottom+r.height-this.anchorMargin_.top,u=i.height-s,l=i.height-c;l>0&&u<l&&(t=this.setBit_(t,a.CornerBit.BOTTOM));var d=this.adapter_.isRtl(),_=this.hasBit_(this.anchorCorner_,a.CornerBit.FLIP_RTL),f=this.hasBit_(this.anchorCorner_,a.CornerBit.RIGHT),p=f&&!d||!f&&_&&d,h=p?n.left+r.width+this.anchorMargin_.right:n.left+this.anchorMargin_.left,y=p?n.right-this.anchorMargin_.right:n.right+r.width-this.anchorMargin_.left,C=i.width-h,v=i.width-y;return(C<0&&p&&d||f&&!p&&C<0||v>0&&C<v)&&(t=this.setBit_(t,a.CornerBit.RIGHT)),t},e.prototype.getMenuSurfaceMaxHeight_=function(t){var n=this.measurements_.viewportDistance,r=0,i=this.hasBit_(t,a.CornerBit.BOTTOM),o=this.hasBit_(this.anchorCorner_,a.CornerBit.BOTTOM),s=e.numbers.MARGIN_TO_EDGE;return i?(r=n.top+this.anchorMargin_.top-s,o||(r+=this.measurements_.anchorSize.height)):(r=n.bottom-this.anchorMargin_.bottom+this.measurements_.anchorSize.height-s,o&&(r-=this.measurements_.anchorSize.height)),r},e.prototype.getHorizontalOriginOffset_=function(t){var e=this.measurements_.anchorSize,n=this.hasBit_(t,a.CornerBit.RIGHT),r=this.hasBit_(this.anchorCorner_,a.CornerBit.RIGHT);if(n){var i=r?e.width-this.anchorMargin_.left:this.anchorMargin_.right;return this.isHoistedElement_||this.isFixedPosition_?i-(this.measurements_.viewportSize.width-this.measurements_.bodySize.width):i}return r?e.width-this.anchorMargin_.right:this.anchorMargin_.left},e.prototype.getVerticalOriginOffset_=function(t){var e=this.measurements_.anchorSize,n=this.hasBit_(t,a.CornerBit.BOTTOM),r=this.hasBit_(this.anchorCorner_,a.CornerBit.BOTTOM);return n?r?e.height-this.anchorMargin_.top:-this.anchorMargin_.bottom:r?e.height+this.anchorMargin_.bottom:this.anchorMargin_.top},e.prototype.adjustPositionForHoistedElement_=function(t){var e,n,r=this.measurements_,i=r.windowScroll,s=r.viewportDistance,a=Object.keys(t);try{for(var c=o(a),u=c.next();!u.done;u=c.next()){var l=u.value,d=t[l]||0;d+=s[l],this.isFixedPosition_||("top"===l?d+=i.y:"bottom"===l?d-=i.y:"left"===l?d+=i.x:d-=i.x),t[l]=d}}catch(t){e={error:t}}finally{try{u&&!u.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}},e.prototype.maybeRestoreFocus_=function(){var t=this.adapter_.isFocused(),e=document.activeElement&&this.adapter_.isElementInContainer(document.activeElement);(t||e)&&this.adapter_.restoreFocus()},e.prototype.hasBit_=function(t,e){return Boolean(t&e)},e.prototype.setBit_=function(t,e){return t|e},e.prototype.isFinite_=function(t){return"number"==typeof t&&isFinite(t)},e}(s.MDCFoundation);e.MDCMenuSurfaceFoundation=c,e.default=c},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r={MENU_SELECTED_LIST_ITEM:"mdc-menu-item--selected",MENU_SELECTION_GROUP:"mdc-menu__selection-group",ROOT:"mdc-menu"};e.cssClasses=r;var i={ARIA_SELECTED_ATTR:"aria-selected",CHECKBOX_SELECTOR:'input[type="checkbox"]',LIST_SELECTOR:".mdc-list",SELECTED_EVENT:"MDCMenu:selected"};e.strings=i;var o={FOCUS_ROOT_INDEX:-1};e.numbers=o;var s;!function(t){t[t.NONE=0]="NONE",t[t.LIST_ROOT=1]="LIST_ROOT",t[t.FIRST_ITEM=2]="FIRST_ITEM",t[t.LAST_ITEM=3]="LAST_ITEM"}(s||(s={})),e.DefaultFocusState=s},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r={CLOSING:"mdc-snackbar--closing",OPEN:"mdc-snackbar--open",OPENING:"mdc-snackbar--opening"};e.cssClasses=r;var i={ACTION_SELECTOR:".mdc-snackbar__action",ARIA_LIVE_LABEL_TEXT_ATTR:"data-mdc-snackbar-label-text",CLOSED_EVENT:"MDCSnackbar:closed",CLOSING_EVENT:"MDCSnackbar:closing",DISMISS_SELECTOR:".mdc-snackbar__dismiss",LABEL_SELECTOR:".mdc-snackbar__label",OPENED_EVENT:"MDCSnackbar:opened",OPENING_EVENT:"MDCSnackbar:opening",REASON_ACTION:"action",REASON_DISMISS:"dismiss",SURFACE_SELECTOR:".mdc-snackbar__surface"};e.strings=i;var o={DEFAULT_AUTO_DISMISS_TIMEOUT_MS:5e3,MAX_AUTO_DISMISS_TIMEOUT_MS:1e4,MIN_AUTO_DISMISS_TIMEOUT_MS:4e3,SNACKBAR_ANIMATION_CLOSE_TIME_MS:75,SNACKBAR_ANIMATION_OPEN_TIME_MS:150,ARIA_LIVE_DELAY_MS:1e3};e.numbers=o},function(t,e,n){"use strict";var r=this&&this.__extends||function(){var t=function(e,n){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])})(e,n)};return function(e,n){function r(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(r.prototype=n.prototype,new r)}}(),i=this&&this.__assign||function(){return i=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++){e=arguments[n];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t},i.apply(this,arguments)};Object.defineProperty(e,"__esModule",{value:!0});var o=n(0),s=n(83),a=function(t){function e(n){return t.call(this,i({},e.defaultAdapter,n))||this}return 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n=this.adapter_.getComputedStyleValue("width");requestAnimationFrame(function(){e.adapter_.setStyleProperty("width",n),e.adapter_.setStyleProperty("padding","0"),e.adapter_.setStyleProperty("margin","0"),requestAnimationFrame(function(){e.adapter_.setStyleProperty("width","0")})})}}else"opacity"===t.propertyName&&(this.adapter_.eventTargetHasClass(t.target,s.cssClasses.LEADING_ICON)&&this.adapter_.hasClass(s.cssClasses.SELECTED)?this.adapter_.addClassToLeadingIcon(s.cssClasses.HIDDEN_LEADING_ICON):this.adapter_.eventTargetHasClass(t.target,s.cssClasses.CHECKMARK)&&!this.adapter_.hasClass(s.cssClasses.SELECTED)&&this.adapter_.removeClassFromLeadingIcon(s.cssClasses.HIDDEN_LEADING_ICON))},e.prototype.handleTrailingIconInteraction=function(t){var 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t=this.root_.getAttribute(s.strings.ARIA_ORIENTATION);this.vertical=t!==s.strings.ARIA_ORIENTATION_HORIZONTAL,[].slice.call(this.root_.querySelectorAll(".mdc-list-item:not([tabindex])")).forEach(function(t){t.setAttribute("tabindex","-1")}),[].slice.call(this.root_.querySelectorAll(s.strings.FOCUSABLE_CHILD_ELEMENTS)).forEach(function(t){return t.setAttribute("tabindex","-1")}),this.foundation_.layout()},e.prototype.initializeListType=function(){var t=this,e=this.root_.querySelectorAll(s.strings.ARIA_ROLE_CHECKBOX_SELECTOR),n=this.root_.querySelector("\n      ."+s.cssClasses.LIST_ITEM_ACTIVATED_CLASS+",\n      ."+s.cssClasses.LIST_ITEM_SELECTED_CLASS+"\n    "),r=this.root_.querySelector(s.strings.ARIA_CHECKED_RADIO_SELECTOR);if(e.length){var i=this.root_.querySelectorAll(s.strings.ARIA_CHECKED_CHECKBOX_SELECTOR);this.selectedIndex=[].map.call(i,function(e){return t.listElements.indexOf(e)})}else 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