@spectrum-web-components/reactive-controllers - npm Package Compare versions

Comparing version 0.47.0 to 0.47.1

package.json

 {
     "name": "@spectrum-web-components/reactive-controllers",
-    "version": "0.47.0",
+    "version": "0.47.1",
     "publishConfig": {
@@ -86,3 +86,3 @@ "access": "public"
     ],
-    "gitHead": "7121f0bbe175ac3c34f17e51aa41429c2c04bd35"
+    "gitHead": "151a3e21c39150dbc3f3a884b660be0bd352bda1"
 }

src/FocusGroup.d.ts

@@ -46,2 +46,7 @@ import type { ReactiveController, ReactiveElement } from 'lit';
     handleFocusin: (event: FocusEvent) => void;
+    /**
+     * handleClick - Finds the element that was clicked and sets the tabindex to 0
+     * @returns void
+     */
+    handleClick: () => void;
     handleFocusout: (event: FocusEvent) => void;
@@ -48,0 +53,0 @@ acceptsEventCode(code: string): boolean;

src/FocusGroup.dev.js

@@ -38,5 +38,2 @@ "use strict";
       if (!this.isEventWithinListenerScope(event)) return;
-      if (this.isRelatedTargetOrContainAnElement(event)) {
-        this.hostContainsFocus();
-      }
       const path = event.composedPath();
@@ -50,3 +47,27 @@ let targetIndex = -1;
       this.currentIndex = targetIndex > -1 ? targetIndex : this.currentIndex;
+      if (this.isRelatedTargetOrContainAnElement(event)) {
+        this.hostContainsFocus();
+      }
     };
+    /**
+     * handleClick - Finds the element that was clicked and sets the tabindex to 0
+     * @returns void
+     */
+    this.handleClick = () => {
+      var _a;
+      const elements = this.elements;
+      if (!elements.length) return;
+      let focusElement = elements[this.currentIndex];
+      if (this.currentIndex < 0) {
+        return;
+      }
+      if (!focusElement || !this.isFocusableElement(focusElement)) {
+        this.setCurrentIndexCircularly(1);
+        focusElement = elements[this.currentIndex];
+      }
+      if (focusElement && this.isFocusableElement(focusElement)) {
+        (_a = elements[this.prevIndex]) == null ? void 0 : _a.setAttribute("tabindex", "-1");
+        focusElement.setAttribute("tabindex", "0");
+      }
+    };
     this.handleFocusout = (event) => {
@@ -262,2 +283,3 @@ if (this.isRelatedTargetOrContainAnElement(event)) {
     this.host.addEventListener("focusin", this.handleFocusin);
+    this.host.addEventListener("click", this.handleClick);
   }
@@ -268,2 +290,3 @@ removeEventListeners() {
     this.host.removeEventListener("keydown", this.handleKeydown);
+    this.host.removeEventListener("click", this.handleClick);
   }
@@ -270,0 +293,0 @@ hostConnected() {

src/FocusGroup.dev.js.map

 {
   "version": 3,
   "sources": ["FocusGroup.ts"],
-  "sourcesContent": ["/*\nCopyright 2020 Adobe. All rights reserved.\nThis file is licensed to you under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License. You may obtain a copy\nof the License at http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software distributed under\nthe License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\nOF ANY KIND, either express or implied. See the License for the specific language\ngoverning permissions and limitations under the License.\n*/\nimport type { ReactiveController, ReactiveElement } from 'lit';\n\ntype DirectionTypes = 'horizontal' | 'vertical' | 'both' | 'grid';\nexport type FocusGroupConfig<T> = {\n    focusInIndex?: (_elements: T[]) => number;\n    direction?: DirectionTypes | (() => DirectionTypes);\n    elementEnterAction?: (el: T) => void;\n    elements: () => T[];\n    isFocusableElement?: (el: T) => boolean;\n    listenerScope?: HTMLElement | (() => HTMLElement);\n};\n\nfunction ensureMethod<T, RT>(\n    value: T | RT | undefined,\n    type: string,\n    fallback: T\n): T {\n    if (typeof value === type) {\n        return (() => value) as T;\n    } else if (typeof value === 'function') {\n        return value as T;\n    }\n    return fallback;\n}\n\nexport class FocusGroupController<T extends HTMLElement>\n    implements ReactiveController\n{\n    protected cachedElements?: T[];\n    private mutationObserver: MutationObserver;\n\n    get currentIndex(): number {\n        if (this._currentIndex === -1) {\n            this._currentIndex = this.focusInIndex;\n        }\n        return this._currentIndex - this.offset;\n    }\n\n    set currentIndex(currentIndex) {\n        this._currentIndex = currentIndex + this.offset;\n    }\n\n    private _currentIndex = -1;\n\n    private prevIndex = -1;\n\n    get direction(): DirectionTypes {\n        return this._direction();\n    }\n\n    _direction = (): DirectionTypes => 'both';\n\n    public directionLength = 5;\n\n    elementEnterAction = (_el: T): void => {\n        return;\n    };\n\n    get elements(): T[] {\n        if (!this.cachedElements) {\n            this.cachedElements = this._elements();\n        }\n        return this.cachedElements;\n    }\n\n    private _elements!: () => T[];\n\n    protected set focused(focused: boolean) {\n        /* c8 ignore next 1 */\n        if (focused === this.focused) return;\n        this._focused = focused;\n    }\n\n    protected get focused(): boolean {\n        return this._focused;\n    }\n\n    private _focused = false;\n\n    get focusInElement(): T {\n        return this.elements[this.focusInIndex];\n    }\n\n    get focusInIndex(): number {\n        return this._focusInIndex(this.elements);\n    }\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    _focusInIndex = (_elements: T[]): number => 0;\n\n    host: ReactiveElement;\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    isFocusableElement = (_el: T): boolean => true;\n\n    isEventWithinListenerScope(event: Event): boolean {\n        if (this._listenerScope() === this.host) return true;\n        return event.composedPath().includes(this._listenerScope());\n    }\n\n    _listenerScope = (): HTMLElement => this.host;\n\n    // When elements are virtualized, the delta between the first element\n    // and the first rendered element.\n    offset = 0;\n\n    recentlyConnected = false;\n\n    constructor(\n        host: ReactiveElement,\n        {\n            direction,\n            elementEnterAction,\n            elements,\n            focusInIndex,\n            isFocusableElement,\n            listenerScope,\n        }: FocusGroupConfig<T> = { elements: () => [] }\n    ) {\n        this.mutationObserver = new MutationObserver(() => {\n            this.handleItemMutation();\n        });\n        this.host = host;\n        this.host.addController(this);\n        this._elements = elements;\n        this.isFocusableElement = isFocusableElement || this.isFocusableElement;\n        this._direction = ensureMethod<() => DirectionTypes, DirectionTypes>(\n            direction,\n            'string',\n            this._direction\n        );\n        this.elementEnterAction = elementEnterAction || this.elementEnterAction;\n        this._focusInIndex = ensureMethod<(_elements: T[]) => number, number>(\n            focusInIndex,\n            'number',\n            this._focusInIndex\n        );\n        this._listenerScope = ensureMethod<() => HTMLElement, HTMLElement>(\n            listenerScope,\n            'object',\n            this._listenerScope\n        );\n    }\n    /*  In  handleItemMutation() method the first if condition is checking if the element is not focused or if the element's children's length is not decreasing then it means no element has been deleted and we must return.\n        Then we are checking if the deleted element was the focused one before the deletion if so then we need to proceed else we casn return;\n    */\n    handleItemMutation(): void {\n        if (\n            this._currentIndex == -1 ||\n            this.elements.length <= this._elements().length\n        )\n            return;\n        const focusedElement = this.elements[this.currentIndex];\n        this.clearElementCache();\n        if (this.elements.includes(focusedElement)) return;\n        const moveToNextElement = this.currentIndex !== this.elements.length;\n        const diff = moveToNextElement ? 1 : -1;\n        if (moveToNextElement) {\n            this.setCurrentIndexCircularly(-1);\n        }\n        this.setCurrentIndexCircularly(diff);\n        this.focus();\n    }\n\n    update({ elements }: FocusGroupConfig<T> = { elements: () => [] }): void {\n        this.unmanage();\n        this._elements = elements;\n        this.clearElementCache();\n        this.manage();\n    }\n\n    focus(options?: FocusOptions): void {\n        const elements = this.elements;\n        if (!elements.length) return;\n        let focusElement = elements[this.currentIndex];\n        if (!focusElement || !this.isFocusableElement(focusElement)) {\n            this.setCurrentIndexCircularly(1);\n            focusElement = elements[this.currentIndex];\n        }\n        if (focusElement && this.isFocusableElement(focusElement)) {\n            elements[this.prevIndex]?.setAttribute('tabindex', '-1');\n            focusElement.tabIndex = 0;\n            focusElement.focus(options);\n        }\n    }\n\n    clearElementCache(offset = 0): void {\n        this.mutationObserver.disconnect();\n        delete this.cachedElements;\n        this.offset = offset;\n        requestAnimationFrame(() => {\n            this.elements.forEach((element) => {\n                this.mutationObserver.observe(element, {\n                    attributes: true,\n                });\n            });\n        });\n    }\n\n    setCurrentIndexCircularly(diff: number): void {\n        const { length } = this.elements;\n        let steps = length;\n        this.prevIndex = this.currentIndex;\n        // start at a possibly not 0 index\n        let nextIndex = (length + this.currentIndex + diff) % length;\n        while (\n            // don't cycle the elements more than once\n            steps &&\n            this.elements[nextIndex] &&\n            !this.isFocusableElement(this.elements[nextIndex])\n        ) {\n            nextIndex = (length + nextIndex + diff) % length;\n            steps -= 1;\n        }\n        this.currentIndex = nextIndex;\n    }\n\n    hostContainsFocus(): void {\n        this.host.addEventListener('focusout', this.handleFocusout);\n        this.host.addEventListener('keydown', this.handleKeydown);\n        this.focused = true;\n    }\n\n    hostNoLongerContainsFocus(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n        this.focused = false;\n    }\n\n    isRelatedTargetOrContainAnElement(event: FocusEvent): boolean {\n        const relatedTarget = event.relatedTarget as null | Element;\n\n        const isRelatedTargetAnElement = this.elements.includes(\n            relatedTarget as T\n        );\n        const isRelatedTargetContainedWithinElements = this.elements.some(\n            (el) => el.contains(relatedTarget)\n        );\n        return !(\n            isRelatedTargetAnElement || isRelatedTargetContainedWithinElements\n        );\n    }\n\n    handleFocusin = (event: FocusEvent): void => {\n        if (!this.isEventWithinListenerScope(event)) return;\n        if (this.isRelatedTargetOrContainAnElement(event)) {\n            this.hostContainsFocus();\n        }\n        const path = event.composedPath() as T[];\n        let targetIndex = -1;\n        path.find((el) => {\n            targetIndex = this.elements.indexOf(el);\n            return targetIndex !== -1;\n        });\n        this.prevIndex = this.currentIndex;\n        this.currentIndex = targetIndex > -1 ? targetIndex : this.currentIndex;\n    };\n\n    handleFocusout = (event: FocusEvent): void => {\n        if (this.isRelatedTargetOrContainAnElement(event)) {\n            this.hostNoLongerContainsFocus();\n        }\n    };\n\n    acceptsEventCode(code: string): boolean {\n        if (code === 'End' || code === 'Home') {\n            return true;\n        }\n        switch (this.direction) {\n            case 'horizontal':\n                return code === 'ArrowLeft' || code === 'ArrowRight';\n            case 'vertical':\n                return code === 'ArrowUp' || code === 'ArrowDown';\n            case 'both':\n            case 'grid':\n                return code.startsWith('Arrow');\n        }\n    }\n\n    handleKeydown = (event: KeyboardEvent): void => {\n        if (!this.acceptsEventCode(event.code) || event.defaultPrevented) {\n            return;\n        }\n        let diff = 0;\n        this.prevIndex = this.currentIndex;\n        switch (event.code) {\n            case 'ArrowRight':\n                diff += 1;\n                break;\n            case 'ArrowDown':\n                diff += this.direction === 'grid' ? this.directionLength : 1;\n                break;\n            case 'ArrowLeft':\n                diff -= 1;\n                break;\n            case 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this.elementEnterAction(this.elements[this.currentIndex]);\n        this.focus();\n    };\n\n    manage(): void {\n        this.addEventListeners();\n    }\n\n    unmanage(): void {\n        this.removeEventListeners();\n    }\n\n    addEventListeners(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n    }\n\n    removeEventListeners(): void {\n        this.host.removeEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n    }\n\n    hostConnected(): void {\n        this.recentlyConnected = true;\n        this.addEventListeners();\n    }\n\n    hostDisconnected(): void {\n        this.mutationObserver.disconnect();\n        this.removeEventListeners();\n    }\n\n    hostUpdated(): void {\n        if (this.recentlyConnected) {\n            this.recentlyConnected = false;\n            this.elements.forEach((element) => {\n                this.mutationObserver.observe(element, {\n                    attributes: true,\n                });\n            });\n        }\n    }\n}\n"],
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See the License for the specific language\ngoverning permissions and limitations under the License.\n*/\nimport type { ReactiveController, ReactiveElement } from 'lit';\n\ntype DirectionTypes = 'horizontal' | 'vertical' | 'both' | 'grid';\nexport type FocusGroupConfig<T> = {\n    focusInIndex?: (_elements: T[]) => number;\n    direction?: DirectionTypes | (() => DirectionTypes);\n    elementEnterAction?: (el: T) => void;\n    elements: () => T[];\n    isFocusableElement?: (el: T) => boolean;\n    listenerScope?: HTMLElement | (() => HTMLElement);\n};\n\nfunction ensureMethod<T, RT>(\n    value: T | RT | undefined,\n    type: string,\n    fallback: T\n): T {\n    if (typeof value === type) {\n        return (() => value) as T;\n    } else if (typeof value === 'function') {\n        return value as T;\n    }\n    return fallback;\n}\n\nexport class FocusGroupController<T extends HTMLElement>\n    implements ReactiveController\n{\n    protected cachedElements?: T[];\n    private 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recentlyConnected = false;\n\n    constructor(\n        host: ReactiveElement,\n        {\n            direction,\n            elementEnterAction,\n            elements,\n            focusInIndex,\n            isFocusableElement,\n            listenerScope,\n        }: FocusGroupConfig<T> = { elements: () => [] }\n    ) {\n        this.mutationObserver = new MutationObserver(() => {\n            this.handleItemMutation();\n        });\n        this.host = host;\n        this.host.addController(this);\n        this._elements = elements;\n        this.isFocusableElement = isFocusableElement || this.isFocusableElement;\n        this._direction = ensureMethod<() => DirectionTypes, DirectionTypes>(\n            direction,\n            'string',\n            this._direction\n        );\n        this.elementEnterAction = elementEnterAction || this.elementEnterAction;\n        this._focusInIndex = ensureMethod<(_elements: T[]) => number, number>(\n            focusInIndex,\n            'number',\n            this._focusInIndex\n        );\n        this._listenerScope = ensureMethod<() => HTMLElement, HTMLElement>(\n            listenerScope,\n            'object',\n            this._listenerScope\n        );\n    }\n    /*  In  handleItemMutation() method the first if condition is checking if the element is not focused or if the element's children's length is not decreasing then it means no element has been deleted and we must return.\n        Then we are checking if the deleted element was the focused one before the deletion if so then we need to proceed else we casn return;\n    */\n    handleItemMutation(): void {\n        if (\n            this._currentIndex == -1 ||\n            this.elements.length <= this._elements().length\n        )\n            return;\n        const focusedElement = this.elements[this.currentIndex];\n        this.clearElementCache();\n        if (this.elements.includes(focusedElement)) return;\n        const moveToNextElement = 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 nextIndex = (length + nextIndex + diff) % length;\n            steps -= 1;\n        }\n        this.currentIndex = nextIndex;\n    }\n\n    hostContainsFocus(): void {\n        this.host.addEventListener('focusout', this.handleFocusout);\n        this.host.addEventListener('keydown', this.handleKeydown);\n        this.focused = true;\n    }\n\n    hostNoLongerContainsFocus(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n        this.focused = false;\n    }\n\n    isRelatedTargetOrContainAnElement(event: FocusEvent): boolean {\n        const relatedTarget = event.relatedTarget as null | Element;\n\n        const isRelatedTargetAnElement = this.elements.includes(\n            relatedTarget as T\n        );\n        const isRelatedTargetContainedWithinElements = this.elements.some(\n            (el) => 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src/FocusGroup.js

@@ -1,2 +0,2 @@
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t=0;switch(this.prevIndex=this.currentIndex,e.code){case"ArrowRight":t+=1;break;case"ArrowDown":t+=this.direction==="grid"?this.directionLength:1;break;case"ArrowLeft":t-=1;break;case"ArrowUp":t-=this.direction==="grid"?this.directionLength:1;break;case"End":this.currentIndex=0,t-=1;break;case"Home":this.currentIndex=this.elements.length-1,t+=1;break}e.preventDefault(),this.direction==="grid"&&this.currentIndex+t<0?this.currentIndex=0:this.direction==="grid"&&this.currentIndex+t>this.elements.length-1?this.currentIndex=this.elements.length-1:this.setCurrentIndexCircularly(t),this.elementEnterAction(this.elements[this.currentIndex]),this.focus()};this.mutationObserver=new 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this.cachedElements,this.offset=e,requestAnimationFrame(()=>{this.elements.forEach(t=>{this.mutationObserver.observe(t,{attributes:!0})})})}setCurrentIndexCircularly(e){const{length:t}=this.elements;let n=t;this.prevIndex=this.currentIndex;let s=(t+this.currentIndex+e)%t;for(;n&&this.elements[s]&&!this.isFocusableElement(this.elements[s]);)s=(t+s+e)%t,n-=1;this.currentIndex=s}hostContainsFocus(){this.host.addEventListener("focusout",this.handleFocusout),this.host.addEventListener("keydown",this.handleKeydown),this.focused=!0}hostNoLongerContainsFocus(){this.host.addEventListener("focusin",this.handleFocusin),this.host.removeEventListener("focusout",this.handleFocusout),this.host.removeEventListener("keydown",this.handleKeydown),this.focused=!1}isRelatedTargetOrContainAnElement(e){const t=e.relatedTarget,n=this.elements.includes(t),s=this.elements.some(r=>r.contains(t));return!(n||s)}acceptsEventCode(e){if(e==="End"||e==="Home")return!0;switch(this.direction){case"horizontal":return e==="ArrowLeft"||e==="ArrowRight";case"vertical":return e==="ArrowUp"||e==="ArrowDown";case"both":case"grid":return e.startsWith("Arrow")}}manage(){this.addEventListeners()}unmanage(){this.removeEventListeners()}addEventListeners(){this.host.addEventListener("focusin",this.handleFocusin)}removeEventListeners(){this.host.removeEventListener("focusin",this.handleFocusin),this.host.removeEventListener("focusout",this.handleFocusout),this.host.removeEventListener("keydown",this.handleKeydown)}hostConnected(){this.recentlyConnected=!0,this.addEventListeners()}hostDisconnected(){this.mutationObserver.disconnect(),this.removeEventListeners()}hostUpdated(){this.recentlyConnected&&(this.recentlyConnected=!1,this.elements.forEach(e=>{this.mutationObserver.observe(e,{attributes:!0})}))}}
+"use strict";function o(i,e,t){return typeof i===e?()=>i:typeof i=="function"?i:t}export class FocusGroupController{constructor(e,{direction:t,elementEnterAction:n,elements:s,focusInIndex:r,isFocusableElement:h,listenerScope:c}={elements:()=>[]}){this._currentIndex=-1;this.prevIndex=-1;this._direction=()=>"both";this.directionLength=5;this.elementEnterAction=e=>{};this._focused=!1;this._focusInIndex=e=>0;this.isFocusableElement=e=>!0;this._listenerScope=()=>this.host;this.offset=0;this.recentlyConnected=!1;this.handleFocusin=e=>{if(!this.isEventWithinListenerScope(e))return;const t=e.composedPath();let n=-1;t.find(s=>(n=this.elements.indexOf(s),n!==-1)),this.prevIndex=this.currentIndex,this.currentIndex=n>-1?n:this.currentIndex,this.isRelatedTargetOrContainAnElement(e)&&this.hostContainsFocus()};this.handleClick=()=>{var n;const e=this.elements;if(!e.length)return;let t=e[this.currentIndex];this.currentIndex<0||((!t||!this.isFocusableElement(t))&&(this.setCurrentIndexCircularly(1),t=e[this.currentIndex]),t&&this.isFocusableElement(t)&&((n=e[this.prevIndex])==null||n.setAttribute("tabindex","-1"),t.setAttribute("tabindex","0")))};this.handleFocusout=e=>{this.isRelatedTargetOrContainAnElement(e)&&this.hostNoLongerContainsFocus()};this.handleKeydown=e=>{if(!this.acceptsEventCode(e.code)||e.defaultPrevented)return;let t=0;switch(this.prevIndex=this.currentIndex,e.code){case"ArrowRight":t+=1;break;case"ArrowDown":t+=this.direction==="grid"?this.directionLength:1;break;case"ArrowLeft":t-=1;break;case"ArrowUp":t-=this.direction==="grid"?this.directionLength:1;break;case"End":this.currentIndex=0,t-=1;break;case"Home":this.currentIndex=this.elements.length-1,t+=1;break}e.preventDefault(),this.direction==="grid"&&this.currentIndex+t<0?this.currentIndex=0:this.direction==="grid"&&this.currentIndex+t>this.elements.length-1?this.currentIndex=this.elements.length-1:this.setCurrentIndexCircularly(t),this.elementEnterAction(this.elements[this.currentIndex]),this.focus()};this.mutationObserver=new MutationObserver(()=>{this.handleItemMutation()}),this.host=e,this.host.addController(this),this._elements=s,this.isFocusableElement=h||this.isFocusableElement,this._direction=o(t,"string",this._direction),this.elementEnterAction=n||this.elementEnterAction,this._focusInIndex=o(r,"number",this._focusInIndex),this._listenerScope=o(c,"object",this._listenerScope)}get currentIndex(){return this._currentIndex===-1&&(this._currentIndex=this.focusInIndex),this._currentIndex-this.offset}set currentIndex(e){this._currentIndex=e+this.offset}get direction(){return this._direction()}get elements(){return this.cachedElements||(this.cachedElements=this._elements()),this.cachedElements}set focused(e){e!==this.focused&&(this._focused=e)}get focused(){return this._focused}get focusInElement(){return this.elements[this.focusInIndex]}get focusInIndex(){return this._focusInIndex(this.elements)}isEventWithinListenerScope(e){return 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 //# sourceMappingURL=FocusGroup.js.map

src/FocusGroup.js.map

 {
   "version": 3,
   "sources": ["FocusGroup.ts"],
-  "sourcesContent": ["/*\nCopyright 2020 Adobe. All rights reserved.\nThis file is licensed to you under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License. You may obtain a copy\nof the License at http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software distributed under\nthe License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\nOF ANY KIND, either express or implied. See the License for the specific language\ngoverning permissions and limitations under the License.\n*/\nimport type { ReactiveController, ReactiveElement } from 'lit';\n\ntype DirectionTypes = 'horizontal' | 'vertical' | 'both' | 'grid';\nexport type FocusGroupConfig<T> = {\n    focusInIndex?: (_elements: T[]) => number;\n    direction?: DirectionTypes | (() => DirectionTypes);\n    elementEnterAction?: (el: T) => void;\n    elements: () => T[];\n    isFocusableElement?: (el: T) => boolean;\n    listenerScope?: HTMLElement | (() => HTMLElement);\n};\n\nfunction ensureMethod<T, RT>(\n    value: T | RT | undefined,\n    type: string,\n    fallback: T\n): T {\n    if (typeof value === type) {\n        return (() => value) as T;\n    } else if (typeof value === 'function') {\n        return value as T;\n    }\n    return fallback;\n}\n\nexport class FocusGroupController<T extends HTMLElement>\n    implements ReactiveController\n{\n    protected cachedElements?: T[];\n    private mutationObserver: MutationObserver;\n\n    get currentIndex(): number {\n        if (this._currentIndex === -1) {\n            this._currentIndex = this.focusInIndex;\n        }\n        return this._currentIndex - this.offset;\n    }\n\n    set currentIndex(currentIndex) {\n        this._currentIndex = currentIndex + this.offset;\n    }\n\n    private _currentIndex = -1;\n\n    private prevIndex = -1;\n\n    get direction(): DirectionTypes {\n        return this._direction();\n    }\n\n    _direction = (): DirectionTypes => 'both';\n\n    public directionLength = 5;\n\n    elementEnterAction = (_el: T): void => {\n        return;\n    };\n\n    get elements(): T[] {\n        if (!this.cachedElements) {\n            this.cachedElements = this._elements();\n        }\n        return this.cachedElements;\n    }\n\n    private _elements!: () => T[];\n\n    protected set focused(focused: boolean) {\n        /* c8 ignore next 1 */\n        if (focused === this.focused) return;\n        this._focused = focused;\n    }\n\n    protected get focused(): boolean {\n        return this._focused;\n    }\n\n    private _focused = false;\n\n    get focusInElement(): T {\n        return this.elements[this.focusInIndex];\n    }\n\n    get focusInIndex(): number {\n        return this._focusInIndex(this.elements);\n    }\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    _focusInIndex = (_elements: T[]): number => 0;\n\n    host: ReactiveElement;\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    isFocusableElement = (_el: T): boolean => true;\n\n    isEventWithinListenerScope(event: Event): boolean {\n        if (this._listenerScope() === this.host) return true;\n        return event.composedPath().includes(this._listenerScope());\n    }\n\n    _listenerScope = (): HTMLElement => this.host;\n\n    // When elements are virtualized, the delta between the first element\n    // and the first rendered element.\n    offset = 0;\n\n    recentlyConnected = false;\n\n    constructor(\n        host: ReactiveElement,\n        {\n            direction,\n            elementEnterAction,\n            elements,\n            focusInIndex,\n            isFocusableElement,\n            listenerScope,\n        }: FocusGroupConfig<T> = { elements: () => [] }\n    ) {\n        this.mutationObserver = new MutationObserver(() => {\n            this.handleItemMutation();\n        });\n        this.host = host;\n        this.host.addController(this);\n        this._elements = elements;\n        this.isFocusableElement = isFocusableElement || this.isFocusableElement;\n        this._direction = ensureMethod<() => DirectionTypes, DirectionTypes>(\n            direction,\n            'string',\n            this._direction\n        );\n        this.elementEnterAction = elementEnterAction || this.elementEnterAction;\n        this._focusInIndex = ensureMethod<(_elements: T[]) => number, number>(\n            focusInIndex,\n            'number',\n            this._focusInIndex\n        );\n        this._listenerScope = ensureMethod<() => HTMLElement, HTMLElement>(\n            listenerScope,\n            'object',\n            this._listenerScope\n        );\n    }\n    /*  In  handleItemMutation() method the first if condition is checking if the element is not focused or if the element's children's length is not decreasing then it means no element has been deleted and we must return.\n        Then we are checking if the deleted element was the focused one before the deletion if so then we need to proceed else we casn return;\n    */\n    handleItemMutation(): void {\n        if (\n            this._currentIndex == -1 ||\n            this.elements.length <= this._elements().length\n        )\n            return;\n        const focusedElement = this.elements[this.currentIndex];\n        this.clearElementCache();\n        if (this.elements.includes(focusedElement)) return;\n        const moveToNextElement = this.currentIndex !== this.elements.length;\n        const diff = moveToNextElement ? 1 : -1;\n        if (moveToNextElement) {\n            this.setCurrentIndexCircularly(-1);\n        }\n        this.setCurrentIndexCircularly(diff);\n        this.focus();\n    }\n\n    update({ elements }: FocusGroupConfig<T> = { elements: () => [] }): void {\n        this.unmanage();\n        this._elements = elements;\n        this.clearElementCache();\n        this.manage();\n    }\n\n    focus(options?: FocusOptions): void {\n        const elements = this.elements;\n        if (!elements.length) return;\n        let focusElement = elements[this.currentIndex];\n        if (!focusElement || !this.isFocusableElement(focusElement)) {\n            this.setCurrentIndexCircularly(1);\n            focusElement = elements[this.currentIndex];\n        }\n        if (focusElement && this.isFocusableElement(focusElement)) {\n            elements[this.prevIndex]?.setAttribute('tabindex', '-1');\n            focusElement.tabIndex = 0;\n            focusElement.focus(options);\n        }\n    }\n\n    clearElementCache(offset = 0): void {\n        this.mutationObserver.disconnect();\n        delete this.cachedElements;\n        this.offset = offset;\n        requestAnimationFrame(() => {\n            this.elements.forEach((element) => {\n                this.mutationObserver.observe(element, {\n                    attributes: true,\n                });\n            });\n        });\n    }\n\n    setCurrentIndexCircularly(diff: number): void {\n        const { length } = this.elements;\n        let steps = length;\n        this.prevIndex = this.currentIndex;\n        // start at a possibly not 0 index\n        let nextIndex = (length + this.currentIndex + diff) % length;\n        while (\n            // don't cycle the elements more than once\n            steps &&\n            this.elements[nextIndex] &&\n            !this.isFocusableElement(this.elements[nextIndex])\n        ) {\n            nextIndex = (length + nextIndex + diff) % length;\n            steps -= 1;\n        }\n        this.currentIndex = nextIndex;\n    }\n\n    hostContainsFocus(): void {\n        this.host.addEventListener('focusout', this.handleFocusout);\n        this.host.addEventListener('keydown', this.handleKeydown);\n        this.focused = true;\n    }\n\n    hostNoLongerContainsFocus(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n        this.focused = false;\n    }\n\n    isRelatedTargetOrContainAnElement(event: FocusEvent): boolean {\n        const relatedTarget = event.relatedTarget as null | Element;\n\n        const isRelatedTargetAnElement = this.elements.includes(\n            relatedTarget as T\n        );\n        const isRelatedTargetContainedWithinElements = this.elements.some(\n            (el) => el.contains(relatedTarget)\n        );\n        return !(\n            isRelatedTargetAnElement || isRelatedTargetContainedWithinElements\n        );\n    }\n\n    handleFocusin = (event: FocusEvent): void => {\n        if (!this.isEventWithinListenerScope(event)) return;\n        if (this.isRelatedTargetOrContainAnElement(event)) {\n            this.hostContainsFocus();\n        }\n        const path = event.composedPath() as T[];\n        let targetIndex = -1;\n        path.find((el) => {\n            targetIndex = this.elements.indexOf(el);\n            return targetIndex !== -1;\n        });\n        this.prevIndex = this.currentIndex;\n        this.currentIndex = targetIndex > -1 ? targetIndex : this.currentIndex;\n    };\n\n    handleFocusout = (event: FocusEvent): void => {\n        if (this.isRelatedTargetOrContainAnElement(event)) {\n            this.hostNoLongerContainsFocus();\n        }\n    };\n\n    acceptsEventCode(code: string): boolean {\n        if (code === 'End' || code === 'Home') {\n            return true;\n        }\n        switch (this.direction) {\n            case 'horizontal':\n                return code === 'ArrowLeft' || code === 'ArrowRight';\n            case 'vertical':\n                return code === 'ArrowUp' || code === 'ArrowDown';\n            case 'both':\n            case 'grid':\n                return code.startsWith('Arrow');\n        }\n    }\n\n    handleKeydown = (event: KeyboardEvent): void => {\n        if (!this.acceptsEventCode(event.code) || event.defaultPrevented) {\n            return;\n        }\n        let diff = 0;\n        this.prevIndex = this.currentIndex;\n        switch (event.code) {\n            case 'ArrowRight':\n                diff += 1;\n                break;\n            case 'ArrowDown':\n                diff += this.direction === 'grid' ? this.directionLength : 1;\n                break;\n            case 'ArrowLeft':\n                diff -= 1;\n                break;\n            case 'ArrowUp':\n                diff -= this.direction === 'grid' ? this.directionLength : 1;\n                break;\n            case 'End':\n                this.currentIndex = 0;\n                diff -= 1;\n                break;\n            case 'Home':\n                this.currentIndex = this.elements.length - 1;\n                diff += 1;\n                break;\n        }\n        event.preventDefault();\n        if (this.direction === 'grid' && this.currentIndex + diff < 0) {\n            this.currentIndex = 0;\n        } else if (\n            this.direction === 'grid' &&\n            this.currentIndex + diff > this.elements.length - 1\n        ) {\n            this.currentIndex = this.elements.length - 1;\n        } else {\n            this.setCurrentIndexCircularly(diff);\n        }\n        // To allow the `focusInIndex` to be calculated with the \"after\" state of the keyboard interaction\n        // do `elementEnterAction` _before_ focusing the next element.\n        this.elementEnterAction(this.elements[this.currentIndex]);\n        this.focus();\n    };\n\n    manage(): void {\n        this.addEventListeners();\n    }\n\n    unmanage(): void {\n        this.removeEventListeners();\n    }\n\n    addEventListeners(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n    }\n\n    removeEventListeners(): void {\n        this.host.removeEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n    }\n\n    hostConnected(): void {\n        this.recentlyConnected = true;\n        this.addEventListeners();\n    }\n\n    hostDisconnected(): void {\n        this.mutationObserver.disconnect();\n        this.removeEventListeners();\n    }\n\n    hostUpdated(): void {\n        if (this.recentlyConnected) {\n            this.recentlyConnected = false;\n            this.elements.forEach((element) => {\n                this.mutationObserver.observe(element, {\n                    attributes: true,\n                });\n            });\n        }\n    }\n}\n"],
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+  "sourcesContent": ["/*\nCopyright 2020 Adobe. All rights reserved.\nThis file is licensed to you under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License. You may obtain a copy\nof the License at http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software distributed under\nthe License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\nOF ANY KIND, either express or implied. See the License for the specific language\ngoverning permissions and limitations under the License.\n*/\nimport type { ReactiveController, ReactiveElement } from 'lit';\n\ntype DirectionTypes = 'horizontal' | 'vertical' | 'both' | 'grid';\nexport type FocusGroupConfig<T> = {\n    focusInIndex?: (_elements: T[]) => number;\n    direction?: DirectionTypes | (() => DirectionTypes);\n    elementEnterAction?: (el: T) => void;\n    elements: () => T[];\n    isFocusableElement?: (el: T) => boolean;\n    listenerScope?: HTMLElement | (() => HTMLElement);\n};\n\nfunction ensureMethod<T, RT>(\n    value: T | RT | undefined,\n    type: string,\n    fallback: T\n): T {\n    if (typeof value === type) {\n        return (() => value) as T;\n    } else if (typeof value === 'function') {\n        return value as T;\n    }\n    return fallback;\n}\n\nexport class FocusGroupController<T extends HTMLElement>\n    implements ReactiveController\n{\n    protected cachedElements?: T[];\n    private mutationObserver: MutationObserver;\n\n    get currentIndex(): number {\n        if (this._currentIndex === -1) {\n            this._currentIndex = this.focusInIndex;\n        }\n        return this._currentIndex - this.offset;\n    }\n\n    set currentIndex(currentIndex) {\n        this._currentIndex = currentIndex + this.offset;\n    }\n\n    private _currentIndex = -1;\n\n    private prevIndex = -1;\n\n    get direction(): DirectionTypes {\n        return this._direction();\n    }\n\n    _direction = (): DirectionTypes => 'both';\n\n    public directionLength = 5;\n\n    elementEnterAction = (_el: T): void => {\n        return;\n    };\n\n    get elements(): T[] {\n        if (!this.cachedElements) {\n            this.cachedElements = this._elements();\n        }\n        return this.cachedElements;\n    }\n\n    private _elements!: () => T[];\n\n    protected set focused(focused: boolean) {\n        /* c8 ignore next 1 */\n        if (focused === this.focused) return;\n        this._focused = focused;\n    }\n\n    protected get focused(): boolean {\n        return this._focused;\n    }\n\n    private _focused = false;\n\n    get focusInElement(): T {\n        return this.elements[this.focusInIndex];\n    }\n\n    get focusInIndex(): number {\n        return this._focusInIndex(this.elements);\n    }\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    _focusInIndex = (_elements: T[]): number => 0;\n\n    host: ReactiveElement;\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    isFocusableElement = (_el: T): boolean => true;\n\n    isEventWithinListenerScope(event: Event): boolean {\n        if (this._listenerScope() === this.host) return true;\n        return event.composedPath().includes(this._listenerScope());\n    }\n\n    _listenerScope = (): HTMLElement => this.host;\n\n    // When elements are virtualized, the delta between the first element\n    // and the first rendered element.\n    offset = 0;\n\n    recentlyConnected = false;\n\n    constructor(\n        host: ReactiveElement,\n        {\n            direction,\n            elementEnterAction,\n            elements,\n            focusInIndex,\n            isFocusableElement,\n            listenerScope,\n        }: FocusGroupConfig<T> = { elements: () => [] }\n    ) {\n        this.mutationObserver = new MutationObserver(() => {\n            this.handleItemMutation();\n        });\n        this.host = host;\n        this.host.addController(this);\n        this._elements = elements;\n        this.isFocusableElement = isFocusableElement || this.isFocusableElement;\n        this._direction = ensureMethod<() => DirectionTypes, DirectionTypes>(\n            direction,\n            'string',\n            this._direction\n        );\n        this.elementEnterAction = elementEnterAction || this.elementEnterAction;\n        this._focusInIndex = ensureMethod<(_elements: T[]) => number, number>(\n            focusInIndex,\n            'number',\n            this._focusInIndex\n        );\n        this._listenerScope = ensureMethod<() => HTMLElement, HTMLElement>(\n            listenerScope,\n            'object',\n            this._listenerScope\n        );\n    }\n    /*  In  handleItemMutation() method the first if condition is checking if the element is not focused or if the element's children's length is not decreasing then it means no element has been deleted and we must return.\n        Then we are checking if the deleted element was the focused one before the deletion if so then we need to proceed else we casn return;\n    */\n    handleItemMutation(): void {\n        if (\n            this._currentIndex == -1 ||\n            this.elements.length <= this._elements().length\n        )\n            return;\n        const focusedElement = this.elements[this.currentIndex];\n        this.clearElementCache();\n        if (this.elements.includes(focusedElement)) return;\n        const moveToNextElement = 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focusElement.tabIndex = 0;\n            focusElement.focus(options);\n        }\n    }\n\n    clearElementCache(offset = 0): void {\n        this.mutationObserver.disconnect();\n        delete this.cachedElements;\n        this.offset = offset;\n        requestAnimationFrame(() => {\n            this.elements.forEach((element) => {\n                this.mutationObserver.observe(element, {\n                    attributes: true,\n                });\n            });\n        });\n    }\n\n    setCurrentIndexCircularly(diff: number): void {\n        const { length } = this.elements;\n        let steps = length;\n        this.prevIndex = this.currentIndex;\n        // start at a possibly not 0 index\n        let nextIndex = (length + this.currentIndex + diff) % length;\n        while (\n            // don't cycle the elements more than once\n            steps &&\n            this.elements[nextIndex] &&\n            !this.isFocusableElement(this.elements[nextIndex])\n        ) {\n            nextIndex = (length + nextIndex + diff) % length;\n            steps -= 1;\n        }\n        this.currentIndex = nextIndex;\n    }\n\n    hostContainsFocus(): void {\n        this.host.addEventListener('focusout', this.handleFocusout);\n        this.host.addEventListener('keydown', this.handleKeydown);\n        this.focused = true;\n    }\n\n    hostNoLongerContainsFocus(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n        this.focused = false;\n    }\n\n    isRelatedTargetOrContainAnElement(event: FocusEvent): boolean {\n        const relatedTarget = event.relatedTarget as null | Element;\n\n        const isRelatedTargetAnElement = this.elements.includes(\n            relatedTarget as T\n        );\n        const isRelatedTargetContainedWithinElements = this.elements.some(\n            (el) => el.contains(relatedTarget)\n        );\n        return !(\n            isRelatedTargetAnElement || isRelatedTargetContainedWithinElements\n        );\n    }\n\n    handleFocusin = (event: FocusEvent): void => {\n        if (!this.isEventWithinListenerScope(event)) return;\n\n        const path = event.composedPath() as T[];\n        let targetIndex = -1;\n        path.find((el) => {\n            targetIndex = this.elements.indexOf(el);\n            return targetIndex !== -1;\n        });\n        this.prevIndex = this.currentIndex;\n        this.currentIndex = targetIndex > -1 ? targetIndex : this.currentIndex;\n\n        if (this.isRelatedTargetOrContainAnElement(event)) {\n            this.hostContainsFocus();\n        }\n    };\n\n    /**\n     * handleClick - Finds the element that was clicked and sets the tabindex to 0\n     * @returns void\n     */\n    handleClick = (): void => {\n        // Manually set the tabindex to 0 for the current element on receiving focus (from keyboard 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'horizontal':\n                return code === 'ArrowLeft' || code === 'ArrowRight';\n            case 'vertical':\n                return code === 'ArrowUp' || code === 'ArrowDown';\n            case 'both':\n            case 'grid':\n                return code.startsWith('Arrow');\n        }\n    }\n\n    handleKeydown = (event: KeyboardEvent): void => {\n        if (!this.acceptsEventCode(event.code) || event.defaultPrevented) {\n            return;\n        }\n        let diff = 0;\n        this.prevIndex = this.currentIndex;\n        switch (event.code) {\n            case 'ArrowRight':\n                diff += 1;\n                break;\n            case 'ArrowDown':\n                diff += this.direction === 'grid' ? this.directionLength : 1;\n                break;\n            case 'ArrowLeft':\n                diff -= 1;\n                break;\n            case 'ArrowUp':\n                diff -= this.direction === 'grid' ? this.directionLength : 1;\n                break;\n            case 'End':\n                this.currentIndex = 0;\n                diff -= 1;\n                break;\n            case 'Home':\n                this.currentIndex = this.elements.length - 1;\n                diff += 1;\n                break;\n        }\n        event.preventDefault();\n        if (this.direction === 'grid' && this.currentIndex + diff < 0) {\n            this.currentIndex = 0;\n        } else if (\n            this.direction === 'grid' &&\n            this.currentIndex + diff > this.elements.length - 1\n        ) {\n            this.currentIndex = this.elements.length - 1;\n        } else {\n            this.setCurrentIndexCircularly(diff);\n        }\n        // To allow the `focusInIndex` to be calculated with the \"after\" state of the keyboard interaction\n        // do `elementEnterAction` _before_ focusing the next element.\n        this.elementEnterAction(this.elements[this.currentIndex]);\n        this.focus();\n    };\n\n    manage(): void {\n        this.addEventListeners();\n    }\n\n    unmanage(): void {\n        this.removeEventListeners();\n    }\n\n    addEventListeners(): void {\n        this.host.addEventListener('focusin', this.handleFocusin);\n        this.host.addEventListener('click', this.handleClick);\n    }\n\n    removeEventListeners(): void {\n        this.host.removeEventListener('focusin', this.handleFocusin);\n        this.host.removeEventListener('focusout', this.handleFocusout);\n        this.host.removeEventListener('keydown', this.handleKeydown);\n        this.host.removeEventListener('click', this.handleClick);\n    }\n\n    hostConnected(): void {\n        this.recentlyConnected = true;\n        this.addEventListeners();\n    }\n\n    hostDisconnected(): void {\n        this.mutationObserver.disconnect();\n        this.removeEventListeners();\n    }\n\n    hostUpdated(): void {\n        if (this.recentlyConnected) {\n            this.recentlyConnected = false;\n            this.elements.forEach((element) => {\n                this.mutationObserver.observe(element, {\n                    attributes: true,\n                });\n            });\n        }\n    }\n}\n"],
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 }

src/RovingTabindex.dev.js

@@ -41,3 +41,9 @@ "use strict";
       if (!removeTabIndex) {
-        el.tabIndex = tabIndex;
+        if (this.focused) {
+          if (el !== this.elements[this.currentIndex]) {
+            el.tabIndex = tabIndex;
+          }
+        } else {
+          el.tabIndex = tabIndex;
+        }
         return;
@@ -44,0 +50,0 @@ }

src/RovingTabindex.dev.js.map

 {
   "version": 3,
   "sources": ["RovingTabindex.ts"],
-  "sourcesContent": ["/*\nCopyright 2020 Adobe. All rights reserved.\nThis file is licensed to you under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License. You may obtain a copy\nof the License at http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software distributed under\nthe License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\nOF ANY KIND, either express or implied. See the License for the specific language\ngoverning permissions and limitations under the License.\n*/\nimport { FocusGroupConfig, FocusGroupController } from './FocusGroup.dev.js'\n\nexport type RovingTabindexConfig<T> = FocusGroupConfig<T>;\ninterface UpdateTabIndexes {\n    tabIndex: number;\n    removeTabIndex?: boolean;\n}\n\nexport class RovingTabindexController<\n    T extends HTMLElement,\n> extends FocusGroupController<T> {\n    protected override set focused(focused: boolean) {\n        if (focused === this.focused) return;\n        super.focused = focused;\n        this.manageTabindexes();\n    }\n\n    protected override get focused(): boolean {\n        return super.focused;\n    }\n\n    private managed = true;\n\n    private manageIndexesAnimationFrame = 0;\n\n    override clearElementCache(offset = 0): void {\n        cancelAnimationFrame(this.manageIndexesAnimationFrame);\n        super.clearElementCache(offset);\n        if (!this.managed) return;\n\n        this.manageIndexesAnimationFrame = requestAnimationFrame(() =>\n            this.manageTabindexes()\n        );\n    }\n\n    manageTabindexes(): void {\n        if (this.focused) {\n            this.updateTabindexes(() => ({ tabIndex: -1 }));\n        } else {\n            this.updateTabindexes((el: HTMLElement): UpdateTabIndexes => {\n                return {\n                    removeTabIndex:\n                        el.contains(this.focusInElement) &&\n                        el !== this.focusInElement,\n                    tabIndex: el === this.focusInElement ? 0 : -1,\n                };\n            });\n        }\n    }\n\n    updateTabindexes(getTabIndex: (el: HTMLElement) => UpdateTabIndexes): void {\n        this.elements.forEach((el) => {\n            const { tabIndex, removeTabIndex } = getTabIndex(el);\n            if (!removeTabIndex) {\n                el.tabIndex = tabIndex;\n                return;\n            }\n            el.removeAttribute('tabindex');\n            const updatable = el as unknown as {\n                requestUpdate?: () => void;\n            };\n            if (updatable.requestUpdate) updatable.requestUpdate();\n        });\n    }\n\n    override manage(): void {\n        this.managed = true;\n        this.manageTabindexes();\n        super.manage();\n    }\n\n    override unmanage(): void {\n        this.managed = false;\n        this.updateTabindexes(() => ({ tabIndex: 0 }));\n        super.unmanage();\n    }\n\n    override hostUpdated(): void {\n        super.hostUpdated();\n        if (!this.host.hasUpdated) {\n            this.manageTabindexes();\n        }\n    }\n}\n"],
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src/RovingTabindex.js

@@ -1,2 +0,2 @@
-"use strict";import{FocusGroupController as i}from"./FocusGroup.js";export class RovingTabindexController extends i{constructor(){super(...arguments);this.managed=!0;this.manageIndexesAnimationFrame=0}set focused(e){e!==this.focused&&(super.focused=e,this.manageTabindexes())}get focused(){return super.focused}clearElementCache(e=0){cancelAnimationFrame(this.manageIndexesAnimationFrame),super.clearElementCache(e),this.managed&&(this.manageIndexesAnimationFrame=requestAnimationFrame(()=>this.manageTabindexes()))}manageTabindexes(){this.focused?this.updateTabindexes(()=>({tabIndex:-1})):this.updateTabindexes(e=>({removeTabIndex:e.contains(this.focusInElement)&&e!==this.focusInElement,tabIndex:e===this.focusInElement?0:-1}))}updateTabindexes(e){this.elements.forEach(a=>{const{tabIndex:t,removeTabIndex:s}=e(a);if(!s){a.tabIndex=t;return}a.removeAttribute("tabindex");const n=a;n.requestUpdate&&n.requestUpdate()})}manage(){this.managed=!0,this.manageTabindexes(),super.manage()}unmanage(){this.managed=!1,this.updateTabindexes(()=>({tabIndex:0})),super.unmanage()}hostUpdated(){super.hostUpdated(),this.host.hasUpdated||this.manageTabindexes()}}
+"use strict";import{FocusGroupController as i}from"./FocusGroup.js";export class RovingTabindexController extends i{constructor(){super(...arguments);this.managed=!0;this.manageIndexesAnimationFrame=0}set focused(e){e!==this.focused&&(super.focused=e,this.manageTabindexes())}get focused(){return super.focused}clearElementCache(e=0){cancelAnimationFrame(this.manageIndexesAnimationFrame),super.clearElementCache(e),this.managed&&(this.manageIndexesAnimationFrame=requestAnimationFrame(()=>this.manageTabindexes()))}manageTabindexes(){this.focused?this.updateTabindexes(()=>({tabIndex:-1})):this.updateTabindexes(e=>({removeTabIndex:e.contains(this.focusInElement)&&e!==this.focusInElement,tabIndex:e===this.focusInElement?0:-1}))}updateTabindexes(e){this.elements.forEach(a=>{const{tabIndex:n,removeTabIndex:s}=e(a);if(!s){this.focused?a!==this.elements[this.currentIndex]&&(a.tabIndex=n):a.tabIndex=n;return}a.removeAttribute("tabindex");const t=a;t.requestUpdate&&t.requestUpdate()})}manage(){this.managed=!0,this.manageTabindexes(),super.manage()}unmanage(){this.managed=!1,this.updateTabindexes(()=>({tabIndex:0})),super.unmanage()}hostUpdated(){super.hostUpdated(),this.host.hasUpdated||this.manageTabindexes()}}
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src/RovingTabindex.js.map

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 }

New alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

215966

2.49%

Lines of code

1431

2.58%

Number of medium supply chain risk alerts

0

-100%

No dependency changes