primeng/fesm2022/primeng-focustrap.mjs.map

PrimeNG is an open source UI library for Angular featuring a rich set of 80+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with PrimeB

{"version":3,"file":"primeng-focustrap.mjs","sources":["../../src/focustrap/focustrap.ts","../../src/focustrap/primeng-focustrap.ts"],"sourcesContent":["import { DOCUMENT, isPlatformBrowser } from '@angular/common';\nimport { booleanAttribute, Directive, inject, Input, NgModule, PLATFORM_ID, SimpleChanges } from '@angular/core';\nimport { createElement, focus, getFirstFocusableElement, getLastFocusableElement } from '@primeuix/utils';\nimport { BaseComponent } from 'primeng/basecomponent';\n\n/**\n * Focus Trap keeps focus within a certain DOM element while tabbing.\n * @group Components\n */\n@Directive({\n    selector: '[pFocusTrap]',\n    standalone: true\n})\nexport class FocusTrap extends BaseComponent {\n    /**\n     * When set as true, focus wouldn't be managed.\n     * @group Props\n     */\n    @Input({ transform: booleanAttribute }) pFocusTrapDisabled: boolean = false;\n\n    platformId = inject(PLATFORM_ID);\n\n    document: Document = inject(DOCUMENT);\n\n    firstHiddenFocusableElement!: HTMLElement;\n\n    lastHiddenFocusableElement!: HTMLElement;\n\n    ngOnInit() {\n        super.ngOnInit();\n        if (isPlatformBrowser(this.platformId) && !this.pFocusTrapDisabled) {\n            !this.firstHiddenFocusableElement && !this.lastHiddenFocusableElement && this.createHiddenFocusableElements();\n        }\n    }\n\n    ngOnChanges(changes: SimpleChanges) {\n        super.ngOnChanges(changes);\n        if (changes.pFocusTrapDisabled && isPlatformBrowser(this.platformId)) {\n            if (changes.pFocusTrapDisabled.currentValue) {\n                this.removeHiddenFocusableElements();\n            } else {\n                this.createHiddenFocusableElements();\n            }\n        }\n    }\n\n    removeHiddenFocusableElements() {\n        if (this.firstHiddenFocusableElement && this.firstHiddenFocusableElement.parentNode) {\n            this.firstHiddenFocusableElement.parentNode.removeChild(this.firstHiddenFocusableElement);\n        }\n\n        if (this.lastHiddenFocusableElement && this.lastHiddenFocusableElement.parentNode) {\n            this.lastHiddenFocusableElement.parentNode.removeChild(this.lastHiddenFocusableElement);\n        }\n    }\n    getComputedSelector(selector) {\n        return `:not(.p-hidden-focusable):not([data-p-hidden-focusable=\"true\"])${selector ?? ''}`;\n    }\n\n    createHiddenFocusableElements() {\n        const tabindex = '0';\n\n        const createFocusableElement = (onFocus) => {\n            return createElement('span', {\n                class: 'p-hidden-accessible p-hidden-focusable',\n                tabindex,\n                role: 'presentation',\n                'aria-hidden': true,\n                'data-p-hidden-accessible': true,\n                'data-p-hidden-focusable': true,\n                onFocus: onFocus?.bind(this)\n            });\n        };\n\n        this.firstHiddenFocusableElement = createFocusableElement(this.onFirstHiddenElementFocus);\n        this.lastHiddenFocusableElement = createFocusableElement(this.onLastHiddenElementFocus);\n\n        this.firstHiddenFocusableElement.setAttribute('data-pc-section', 'firstfocusableelement');\n        this.lastHiddenFocusableElement.setAttribute('data-pc-section', 'lastfocusableelement');\n\n        this.el.nativeElement.prepend(this.firstHiddenFocusableElement);\n        this.el.nativeElement.append(this.lastHiddenFocusableElement);\n    }\n\n    onFirstHiddenElementFocus(event) {\n        const { currentTarget, relatedTarget } = event;\n        const focusableElement =\n            relatedTarget === this.lastHiddenFocusableElement || !this.el.nativeElement?.contains(relatedTarget) ? getFirstFocusableElement(currentTarget.parentElement, ':not(.p-hidden-focusable)') : this.lastHiddenFocusableElement;\n\n        focus(focusableElement as any);\n    }\n\n    onLastHiddenElementFocus(event) {\n        const { currentTarget, relatedTarget } = event;\n        const focusableElement =\n            relatedTarget === this.firstHiddenFocusableElement || !this.el.nativeElement?.contains(relatedTarget) ? getLastFocusableElement(currentTarget.parentElement, ':not(.p-hidden-focusable)') : this.firstHiddenFocusableElement;\n\n        focus(focusableElement as any);\n    }\n}\n\n@NgModule({\n    imports: [FocusTrap],\n    exports: [FocusTrap]\n})\nexport class FocusTrapModule {}\n","/**\n * Generated bundle index. 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