primeng/fesm2022/primeng-bind.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-bind.mjs","sources":["../../src/bind/bind.ts","../../src/bind/primeng-bind.ts"],"sourcesContent":["import { computed, Directive, effect, ElementRef, input, NgModule, Renderer2, signal } from '@angular/core';\nimport { cn, equals } from '@primeuix/utils';\n\n/**\n * Bind directive provides dynamic attribute, property, and event listener binding functionality.\n * @group Components\n */\n@Directive({\n    selector: '[pBind]',\n    standalone: true,\n    host: {\n        '[style]': 'styles()',\n        '[class]': 'classes()'\n    }\n})\nexport class Bind {\n    /**\n     * Dynamic attributes, properties, and event listeners to be applied to the host element.\n     * @group Props\n     */\n    pBind = input<{ [key: string]: any } | undefined>(undefined);\n\n    private _attrs = signal<{ [key: string]: any } | undefined>(undefined);\n    private attrs = computed(() => this._attrs() || this.pBind());\n\n    styles = computed(() => this.attrs()?.style);\n    classes = computed(() => cn(this.attrs()?.class));\n\n    private listeners: { eventName: string; unlisten: () => void }[] = [];\n\n    constructor(\n        private el: ElementRef,\n        private renderer: Renderer2\n    ) {\n        effect(() => {\n            const { style, class: className, ...rest } = this.attrs() || {};\n\n            for (const [key, value] of Object.entries(rest)) {\n                if (key.startsWith('on') && typeof value === 'function') {\n                    const eventName = key.slice(2).toLowerCase();\n\n                    // add listener if not already added\n                    if (!this.listeners.some((l) => l.eventName === eventName)) {\n                        const unlisten = this.renderer.listen(this.el.nativeElement, eventName, value);\n                        this.listeners.push({ eventName, unlisten });\n                    }\n                } else if (value === null || value === undefined) {\n                    // remove attr\n                    this.renderer.removeAttribute(this.el.nativeElement, key);\n                } else {\n                    // attr & prop fallback\n                    this.renderer.setAttribute(this.el.nativeElement, key, value.toString());\n                    if (key in this.el.nativeElement) {\n                        (this.el.nativeElement as any)[key] = value;\n                    }\n                }\n            }\n        });\n    }\n\n    ngOnDestroy() {\n        this.clearListeners();\n    }\n\n    public setAttrs(attrs: { [key: string]: any } | undefined) {\n        if (!equals(this._attrs(), attrs)) {\n            this._attrs.set(attrs);\n        }\n    }\n\n    private clearListeners() {\n        this.listeners.forEach(({ unlisten }) => unlisten());\n        this.listeners = [];\n    }\n}\n\n@NgModule({\n    imports: [Bind],\n    exports: [Bind]\n})\nexport class BindModule {}\n","/**\n * Generated bundle index. 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