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package.fesm2022.platform-browser.mjs Maven / Gradle / Ivy

/**
 * @license Angular v18.2.1
 * (c) 2010-2024 Google LLC. https://angular.io/
 * License: MIT
 */

import { ɵDomAdapter, ɵsetRootDomAdapter, ɵparseCookieValue, ɵgetDOM, isPlatformServer, DOCUMENT, ɵPLATFORM_BROWSER_ID, XhrFactory, CommonModule } from '@angular/common';
export { ɵgetDOM } from '@angular/common';
import * as i0 from '@angular/core';
import { ɵglobal, ɵRuntimeError, Injectable, InjectionToken, Inject, APP_ID, CSP_NONCE, PLATFORM_ID, Optional, ViewEncapsulation, RendererStyleFlags2, inject, ɵGLOBAL_EVENT_DELEGATION, ɵinternalCreateApplication, ErrorHandler, ɵsetDocument, PLATFORM_INITIALIZER, createPlatformFactory, platformCore, ɵTESTABILITY_GETTER, ɵTESTABILITY, Testability, NgZone, TestabilityRegistry, ɵINJECTOR_SCOPE, RendererFactory2, ApplicationModule, NgModule, SkipSelf, ApplicationRef, ɵConsole, forwardRef, ɵXSS_SECURITY_URL, SecurityContext, ɵallowSanitizationBypassAndThrow, ɵunwrapSafeValue, ɵ_sanitizeUrl, ɵ_sanitizeHtml, ɵbypassSanitizationTrustHtml, ɵbypassSanitizationTrustStyle, ɵbypassSanitizationTrustScript, ɵbypassSanitizationTrustUrl, ɵbypassSanitizationTrustResourceUrl, ɵwithI18nSupport, ɵwithEventReplay, ENVIRONMENT_INITIALIZER, ɵformatRuntimeError, makeEnvironmentProviders, ɵwithDomHydration, Version } from '@angular/core';
import { ɵwithHttpTransferCache } from '@angular/common/http';

/**
 * Provides DOM operations in any browser environment.
 *
 * @security Tread carefully! Interacting with the DOM directly is dangerous and
 * can introduce XSS risks.
 */
class GenericBrowserDomAdapter extends ɵDomAdapter {
    constructor() {
        super(...arguments);
        this.supportsDOMEvents = true;
    }
}

/**
 * A `DomAdapter` powered by full browser DOM APIs.
 *
 * @security Tread carefully! Interacting with the DOM directly is dangerous and
 * can introduce XSS risks.
 */
/* tslint:disable:requireParameterType no-console */
class BrowserDomAdapter extends GenericBrowserDomAdapter {
    static makeCurrent() {
        ɵsetRootDomAdapter(new BrowserDomAdapter());
    }
    onAndCancel(el, evt, listener) {
        el.addEventListener(evt, listener);
        return () => {
            el.removeEventListener(evt, listener);
        };
    }
    dispatchEvent(el, evt) {
        el.dispatchEvent(evt);
    }
    remove(node) {
        node.remove();
    }
    createElement(tagName, doc) {
        doc = doc || this.getDefaultDocument();
        return doc.createElement(tagName);
    }
    createHtmlDocument() {
        return document.implementation.createHTMLDocument('fakeTitle');
    }
    getDefaultDocument() {
        return document;
    }
    isElementNode(node) {
        return node.nodeType === Node.ELEMENT_NODE;
    }
    isShadowRoot(node) {
        return node instanceof DocumentFragment;
    }
    /** @deprecated No longer being used in Ivy code. To be removed in version 14. */
    getGlobalEventTarget(doc, target) {
        if (target === 'window') {
            return window;
        }
        if (target === 'document') {
            return doc;
        }
        if (target === 'body') {
            return doc.body;
        }
        return null;
    }
    getBaseHref(doc) {
        const href = getBaseElementHref();
        return href == null ? null : relativePath(href);
    }
    resetBaseElement() {
        baseElement = null;
    }
    getUserAgent() {
        return window.navigator.userAgent;
    }
    getCookie(name) {
        return ɵparseCookieValue(document.cookie, name);
    }
}
let baseElement = null;
function getBaseElementHref() {
    baseElement = baseElement || document.querySelector('base');
    return baseElement ? baseElement.getAttribute('href') : null;
}
function relativePath(url) {
    // The base URL doesn't really matter, we just need it so relative paths have something
    // to resolve against. In the browser `HTMLBaseElement.href` is always absolute.
    return new URL(url, document.baseURI).pathname;
}

class BrowserGetTestability {
    addToWindow(registry) {
        ɵglobal['getAngularTestability'] = (elem, findInAncestors = true) => {
            const testability = registry.findTestabilityInTree(elem, findInAncestors);
            if (testability == null) {
                throw new ɵRuntimeError(5103 /* RuntimeErrorCode.TESTABILITY_NOT_FOUND */, (typeof ngDevMode === 'undefined' || ngDevMode) &&
                    'Could not find testability for element.');
            }
            return testability;
        };
        ɵglobal['getAllAngularTestabilities'] = () => registry.getAllTestabilities();
        ɵglobal['getAllAngularRootElements'] = () => registry.getAllRootElements();
        const whenAllStable = (callback) => {
            const testabilities = ɵglobal['getAllAngularTestabilities']();
            let count = testabilities.length;
            const decrement = function () {
                count--;
                if (count == 0) {
                    callback();
                }
            };
            testabilities.forEach((testability) => {
                testability.whenStable(decrement);
            });
        };
        if (!ɵglobal['frameworkStabilizers']) {
            ɵglobal['frameworkStabilizers'] = [];
        }
        ɵglobal['frameworkStabilizers'].push(whenAllStable);
    }
    findTestabilityInTree(registry, elem, findInAncestors) {
        if (elem == null) {
            return null;
        }
        const t = registry.getTestability(elem);
        if (t != null) {
            return t;
        }
        else if (!findInAncestors) {
            return null;
        }
        if (ɵgetDOM().isShadowRoot(elem)) {
            return this.findTestabilityInTree(registry, elem.host, true);
        }
        return this.findTestabilityInTree(registry, elem.parentElement, true);
    }
}

/**
 * A factory for `HttpXhrBackend` that uses the `XMLHttpRequest` browser API.
 */
class BrowserXhr {
    build() {
        return new XMLHttpRequest();
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: BrowserXhr, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: BrowserXhr }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: BrowserXhr, decorators: [{
            type: Injectable
        }] });

/**
 * The injection token for plugins of the `EventManager` service.
 *
 * @publicApi
 */
const EVENT_MANAGER_PLUGINS = new InjectionToken(ngDevMode ? 'EventManagerPlugins' : '');
/**
 * An injectable service that provides event management for Angular
 * through a browser plug-in.
 *
 * @publicApi
 */
class EventManager {
    /**
     * Initializes an instance of the event-manager service.
     */
    constructor(plugins, _zone) {
        this._zone = _zone;
        this._eventNameToPlugin = new Map();
        plugins.forEach((plugin) => {
            plugin.manager = this;
        });
        this._plugins = plugins.slice().reverse();
    }
    /**
     * Registers a handler for a specific element and event.
     *
     * @param element The HTML element to receive event notifications.
     * @param eventName The name of the event to listen for.
     * @param handler A function to call when the notification occurs. Receives the
     * event object as an argument.
     * @returns  A callback function that can be used to remove the handler.
     */
    addEventListener(element, eventName, handler) {
        const plugin = this._findPluginFor(eventName);
        return plugin.addEventListener(element, eventName, handler);
    }
    /**
     * Retrieves the compilation zone in which event listeners are registered.
     */
    getZone() {
        return this._zone;
    }
    /** @internal */
    _findPluginFor(eventName) {
        let plugin = this._eventNameToPlugin.get(eventName);
        if (plugin) {
            return plugin;
        }
        const plugins = this._plugins;
        plugin = plugins.find((plugin) => plugin.supports(eventName));
        if (!plugin) {
            throw new ɵRuntimeError(5101 /* RuntimeErrorCode.NO_PLUGIN_FOR_EVENT */, (typeof ngDevMode === 'undefined' || ngDevMode) &&
                `No event manager plugin found for event ${eventName}`);
        }
        this._eventNameToPlugin.set(eventName, plugin);
        return plugin;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: EventManager, deps: [{ token: EVENT_MANAGER_PLUGINS }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: EventManager }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: EventManager, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [EVENT_MANAGER_PLUGINS]
                }] }, { type: i0.NgZone }] });
/**
 * The plugin definition for the `EventManager` class
 *
 * It can be used as a base class to create custom manager plugins, i.e. you can create your own
 * class that extends the `EventManagerPlugin` one.
 *
 * @publicApi
 */
class EventManagerPlugin {
    // TODO: remove (has some usage in G3)
    constructor(_doc) {
        this._doc = _doc;
    }
}

/** The style elements attribute name used to set value of `APP_ID` token. */
const APP_ID_ATTRIBUTE_NAME = 'ng-app-id';
class SharedStylesHost {
    constructor(doc, appId, nonce, platformId = {}) {
        this.doc = doc;
        this.appId = appId;
        this.nonce = nonce;
        this.platformId = platformId;
        // Maps all registered host nodes to a list of style nodes that have been added to the host node.
        this.styleRef = new Map();
        this.hostNodes = new Set();
        this.styleNodesInDOM = this.collectServerRenderedStyles();
        this.platformIsServer = isPlatformServer(platformId);
        this.resetHostNodes();
    }
    addStyles(styles) {
        for (const style of styles) {
            const usageCount = this.changeUsageCount(style, 1);
            if (usageCount === 1) {
                this.onStyleAdded(style);
            }
        }
    }
    removeStyles(styles) {
        for (const style of styles) {
            const usageCount = this.changeUsageCount(style, -1);
            if (usageCount <= 0) {
                this.onStyleRemoved(style);
            }
        }
    }
    ngOnDestroy() {
        const styleNodesInDOM = this.styleNodesInDOM;
        if (styleNodesInDOM) {
            styleNodesInDOM.forEach((node) => node.remove());
            styleNodesInDOM.clear();
        }
        for (const style of this.getAllStyles()) {
            this.onStyleRemoved(style);
        }
        this.resetHostNodes();
    }
    addHost(hostNode) {
        this.hostNodes.add(hostNode);
        for (const style of this.getAllStyles()) {
            this.addStyleToHost(hostNode, style);
        }
    }
    removeHost(hostNode) {
        this.hostNodes.delete(hostNode);
    }
    getAllStyles() {
        return this.styleRef.keys();
    }
    onStyleAdded(style) {
        for (const host of this.hostNodes) {
            this.addStyleToHost(host, style);
        }
    }
    onStyleRemoved(style) {
        const styleRef = this.styleRef;
        styleRef.get(style)?.elements?.forEach((node) => node.remove());
        styleRef.delete(style);
    }
    collectServerRenderedStyles() {
        const styles = this.doc.head?.querySelectorAll(`style[${APP_ID_ATTRIBUTE_NAME}="${this.appId}"]`);
        if (styles?.length) {
            const styleMap = new Map();
            styles.forEach((style) => {
                if (style.textContent != null) {
                    styleMap.set(style.textContent, style);
                }
            });
            return styleMap;
        }
        return null;
    }
    changeUsageCount(style, delta) {
        const map = this.styleRef;
        if (map.has(style)) {
            const styleRefValue = map.get(style);
            styleRefValue.usage += delta;
            return styleRefValue.usage;
        }
        map.set(style, { usage: delta, elements: [] });
        return delta;
    }
    getStyleElement(host, style) {
        const styleNodesInDOM = this.styleNodesInDOM;
        const styleEl = styleNodesInDOM?.get(style);
        if (styleEl?.parentNode === host) {
            // `styleNodesInDOM` cannot be undefined due to the above `styleNodesInDOM?.get`.
            styleNodesInDOM.delete(style);
            styleEl.removeAttribute(APP_ID_ATTRIBUTE_NAME);
            if (typeof ngDevMode === 'undefined' || ngDevMode) {
                // This attribute is solely used for debugging purposes.
                styleEl.setAttribute('ng-style-reused', '');
            }
            return styleEl;
        }
        else {
            const styleEl = this.doc.createElement('style');
            if (this.nonce) {
                styleEl.setAttribute('nonce', this.nonce);
            }
            styleEl.textContent = style;
            if (this.platformIsServer) {
                styleEl.setAttribute(APP_ID_ATTRIBUTE_NAME, this.appId);
            }
            host.appendChild(styleEl);
            return styleEl;
        }
    }
    addStyleToHost(host, style) {
        const styleEl = this.getStyleElement(host, style);
        const styleRef = this.styleRef;
        const styleElRef = styleRef.get(style)?.elements;
        if (styleElRef) {
            styleElRef.push(styleEl);
        }
        else {
            styleRef.set(style, { elements: [styleEl], usage: 1 });
        }
    }
    resetHostNodes() {
        const hostNodes = this.hostNodes;
        hostNodes.clear();
        // Re-add the head element back since this is the default host.
        hostNodes.add(this.doc.head);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: SharedStylesHost, deps: [{ token: DOCUMENT }, { token: APP_ID }, { token: CSP_NONCE, optional: true }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: SharedStylesHost }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: SharedStylesHost, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: Document, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [APP_ID]
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [CSP_NONCE]
                }, {
                    type: Optional
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [PLATFORM_ID]
                }] }] });

const NAMESPACE_URIS = {
    'svg': 'http://www.w3.org/2000/svg',
    'xhtml': 'http://www.w3.org/1999/xhtml',
    'xlink': 'http://www.w3.org/1999/xlink',
    'xml': 'http://www.w3.org/XML/1998/namespace',
    'xmlns': 'http://www.w3.org/2000/xmlns/',
    'math': 'http://www.w3.org/1998/Math/MathML',
};
const COMPONENT_REGEX = /%COMP%/g;
const COMPONENT_VARIABLE = '%COMP%';
const HOST_ATTR = `_nghost-${COMPONENT_VARIABLE}`;
const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;
/**
 * The default value for the `REMOVE_STYLES_ON_COMPONENT_DESTROY` DI token.
 */
const REMOVE_STYLES_ON_COMPONENT_DESTROY_DEFAULT = true;
/**
 * A DI token that indicates whether styles
 * of destroyed components should be removed from DOM.
 *
 * By default, the value is set to `true`.
 * @publicApi
 */
const REMOVE_STYLES_ON_COMPONENT_DESTROY = new InjectionToken(ngDevMode ? 'RemoveStylesOnCompDestroy' : '', {
    providedIn: 'root',
    factory: () => REMOVE_STYLES_ON_COMPONENT_DESTROY_DEFAULT,
});
function shimContentAttribute(componentShortId) {
    return CONTENT_ATTR.replace(COMPONENT_REGEX, componentShortId);
}
function shimHostAttribute(componentShortId) {
    return HOST_ATTR.replace(COMPONENT_REGEX, componentShortId);
}
function shimStylesContent(compId, styles) {
    return styles.map((s) => s.replace(COMPONENT_REGEX, compId));
}
class DomRendererFactory2 {
    constructor(eventManager, sharedStylesHost, appId, removeStylesOnCompDestroy, doc, platformId, ngZone, nonce = null) {
        this.eventManager = eventManager;
        this.sharedStylesHost = sharedStylesHost;
        this.appId = appId;
        this.removeStylesOnCompDestroy = removeStylesOnCompDestroy;
        this.doc = doc;
        this.platformId = platformId;
        this.ngZone = ngZone;
        this.nonce = nonce;
        this.rendererByCompId = new Map();
        this.platformIsServer = isPlatformServer(platformId);
        this.defaultRenderer = new DefaultDomRenderer2(eventManager, doc, ngZone, this.platformIsServer);
    }
    createRenderer(element, type) {
        if (!element || !type) {
            return this.defaultRenderer;
        }
        if (this.platformIsServer && type.encapsulation === ViewEncapsulation.ShadowDom) {
            // Domino does not support shadow DOM.
            type = { ...type, encapsulation: ViewEncapsulation.Emulated };
        }
        const renderer = this.getOrCreateRenderer(element, type);
        // Renderers have different logic due to different encapsulation behaviours.
        // Ex: for emulated, an attribute is added to the element.
        if (renderer instanceof EmulatedEncapsulationDomRenderer2) {
            renderer.applyToHost(element);
        }
        else if (renderer instanceof NoneEncapsulationDomRenderer) {
            renderer.applyStyles();
        }
        return renderer;
    }
    getOrCreateRenderer(element, type) {
        const rendererByCompId = this.rendererByCompId;
        let renderer = rendererByCompId.get(type.id);
        if (!renderer) {
            const doc = this.doc;
            const ngZone = this.ngZone;
            const eventManager = this.eventManager;
            const sharedStylesHost = this.sharedStylesHost;
            const removeStylesOnCompDestroy = this.removeStylesOnCompDestroy;
            const platformIsServer = this.platformIsServer;
            switch (type.encapsulation) {
                case ViewEncapsulation.Emulated:
                    renderer = new EmulatedEncapsulationDomRenderer2(eventManager, sharedStylesHost, type, this.appId, removeStylesOnCompDestroy, doc, ngZone, platformIsServer);
                    break;
                case ViewEncapsulation.ShadowDom:
                    return new ShadowDomRenderer(eventManager, sharedStylesHost, element, type, doc, ngZone, this.nonce, platformIsServer);
                default:
                    renderer = new NoneEncapsulationDomRenderer(eventManager, sharedStylesHost, type, removeStylesOnCompDestroy, doc, ngZone, platformIsServer);
                    break;
            }
            rendererByCompId.set(type.id, renderer);
        }
        return renderer;
    }
    ngOnDestroy() {
        this.rendererByCompId.clear();
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: DomRendererFactory2, deps: [{ token: EventManager }, { token: SharedStylesHost }, { token: APP_ID }, { token: REMOVE_STYLES_ON_COMPONENT_DESTROY }, { token: DOCUMENT }, { token: PLATFORM_ID }, { token: i0.NgZone }, { token: CSP_NONCE }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: DomRendererFactory2 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: DomRendererFactory2, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: EventManager }, { type: SharedStylesHost }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [APP_ID]
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [REMOVE_STYLES_ON_COMPONENT_DESTROY]
                }] }, { type: Document, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }, { type: Object, decorators: [{
                    type: Inject,
                    args: [PLATFORM_ID]
                }] }, { type: i0.NgZone }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [CSP_NONCE]
                }] }] });
class DefaultDomRenderer2 {
    constructor(eventManager, doc, ngZone, platformIsServer) {
        this.eventManager = eventManager;
        this.doc = doc;
        this.ngZone = ngZone;
        this.platformIsServer = platformIsServer;
        this.data = Object.create(null);
        /**
         * By default this renderer throws when encountering synthetic properties
         * This can be disabled for example by the AsyncAnimationRendererFactory
         */
        this.throwOnSyntheticProps = true;
        this.destroyNode = null;
    }
    destroy() { }
    createElement(name, namespace) {
        if (namespace) {
            // TODO: `|| namespace` was added in
            // https://github.com/angular/angular/commit/2b9cc8503d48173492c29f5a271b61126104fbdb to
            // support how Ivy passed around the namespace URI rather than short name at the time. It did
            // not, however extend the support to other parts of the system (setAttribute, setAttribute,
            // and the ServerRenderer). We should decide what exactly the semantics for dealing with
            // namespaces should be and make it consistent.
            // Related issues:
            // https://github.com/angular/angular/issues/44028
            // https://github.com/angular/angular/issues/44883
            return this.doc.createElementNS(NAMESPACE_URIS[namespace] || namespace, name);
        }
        return this.doc.createElement(name);
    }
    createComment(value) {
        return this.doc.createComment(value);
    }
    createText(value) {
        return this.doc.createTextNode(value);
    }
    appendChild(parent, newChild) {
        const targetParent = isTemplateNode(parent) ? parent.content : parent;
        targetParent.appendChild(newChild);
    }
    insertBefore(parent, newChild, refChild) {
        if (parent) {
            const targetParent = isTemplateNode(parent) ? parent.content : parent;
            targetParent.insertBefore(newChild, refChild);
        }
    }
    removeChild(_parent, oldChild) {
        oldChild.remove();
    }
    selectRootElement(selectorOrNode, preserveContent) {
        let el = typeof selectorOrNode === 'string' ? this.doc.querySelector(selectorOrNode) : selectorOrNode;
        if (!el) {
            throw new ɵRuntimeError(-5104 /* RuntimeErrorCode.ROOT_NODE_NOT_FOUND */, (typeof ngDevMode === 'undefined' || ngDevMode) &&
                `The selector "${selectorOrNode}" did not match any elements`);
        }
        if (!preserveContent) {
            el.textContent = '';
        }
        return el;
    }
    parentNode(node) {
        return node.parentNode;
    }
    nextSibling(node) {
        return node.nextSibling;
    }
    setAttribute(el, name, value, namespace) {
        if (namespace) {
            name = namespace + ':' + name;
            const namespaceUri = NAMESPACE_URIS[namespace];
            if (namespaceUri) {
                el.setAttributeNS(namespaceUri, name, value);
            }
            else {
                el.setAttribute(name, value);
            }
        }
        else {
            el.setAttribute(name, value);
        }
    }
    removeAttribute(el, name, namespace) {
        if (namespace) {
            const namespaceUri = NAMESPACE_URIS[namespace];
            if (namespaceUri) {
                el.removeAttributeNS(namespaceUri, name);
            }
            else {
                el.removeAttribute(`${namespace}:${name}`);
            }
        }
        else {
            el.removeAttribute(name);
        }
    }
    addClass(el, name) {
        el.classList.add(name);
    }
    removeClass(el, name) {
        el.classList.remove(name);
    }
    setStyle(el, style, value, flags) {
        if (flags & (RendererStyleFlags2.DashCase | RendererStyleFlags2.Important)) {
            el.style.setProperty(style, value, flags & RendererStyleFlags2.Important ? 'important' : '');
        }
        else {
            el.style[style] = value;
        }
    }
    removeStyle(el, style, flags) {
        if (flags & RendererStyleFlags2.DashCase) {
            // removeProperty has no effect when used on camelCased properties.
            el.style.removeProperty(style);
        }
        else {
            el.style[style] = '';
        }
    }
    setProperty(el, name, value) {
        if (el == null) {
            return;
        }
        (typeof ngDevMode === 'undefined' || ngDevMode) &&
            this.throwOnSyntheticProps &&
            checkNoSyntheticProp(name, 'property');
        el[name] = value;
    }
    setValue(node, value) {
        node.nodeValue = value;
    }
    listen(target, event, callback) {
        (typeof ngDevMode === 'undefined' || ngDevMode) &&
            this.throwOnSyntheticProps &&
            checkNoSyntheticProp(event, 'listener');
        if (typeof target === 'string') {
            target = ɵgetDOM().getGlobalEventTarget(this.doc, target);
            if (!target) {
                throw new Error(`Unsupported event target ${target} for event ${event}`);
            }
        }
        return this.eventManager.addEventListener(target, event, this.decoratePreventDefault(callback));
    }
    decoratePreventDefault(eventHandler) {
        // `DebugNode.triggerEventHandler` needs to know if the listener was created with
        // decoratePreventDefault or is a listener added outside the Angular context so it can handle
        // the two differently. In the first case, the special '__ngUnwrap__' token is passed to the
        // unwrap the listener (see below).
        return (event) => {
            // Ivy uses '__ngUnwrap__' as a special token that allows us to unwrap the function
            // so that it can be invoked programmatically by `DebugNode.triggerEventHandler`. The
            // debug_node can inspect the listener toString contents for the existence of this special
            // token. Because the token is a string literal, it is ensured to not be modified by compiled
            // code.
            if (event === '__ngUnwrap__') {
                return eventHandler;
            }
            // Run the event handler inside the ngZone because event handlers are not patched
            // by Zone on the server. This is required only for tests.
            const allowDefaultBehavior = this.platformIsServer
                ? this.ngZone.runGuarded(() => eventHandler(event))
                : eventHandler(event);
            if (allowDefaultBehavior === false) {
                event.preventDefault();
            }
            return undefined;
        };
    }
}
const AT_CHARCODE = (() => '@'.charCodeAt(0))();
function checkNoSyntheticProp(name, nameKind) {
    if (name.charCodeAt(0) === AT_CHARCODE) {
        throw new ɵRuntimeError(5105 /* RuntimeErrorCode.UNEXPECTED_SYNTHETIC_PROPERTY */, `Unexpected synthetic ${nameKind} ${name} found. Please make sure that:
  - Either \`BrowserAnimationsModule\` or \`NoopAnimationsModule\` are imported in your application.
  - There is corresponding configuration for the animation named \`${name}\` defined in the \`animations\` field of the \`@Component\` decorator (see https://angular.io/api/core/Component#animations).`);
    }
}
function isTemplateNode(node) {
    return node.tagName === 'TEMPLATE' && node.content !== undefined;
}
class ShadowDomRenderer extends DefaultDomRenderer2 {
    constructor(eventManager, sharedStylesHost, hostEl, component, doc, ngZone, nonce, platformIsServer) {
        super(eventManager, doc, ngZone, platformIsServer);
        this.sharedStylesHost = sharedStylesHost;
        this.hostEl = hostEl;
        this.shadowRoot = hostEl.attachShadow({ mode: 'open' });
        this.sharedStylesHost.addHost(this.shadowRoot);
        const styles = shimStylesContent(component.id, component.styles);
        for (const style of styles) {
            const styleEl = document.createElement('style');
            if (nonce) {
                styleEl.setAttribute('nonce', nonce);
            }
            styleEl.textContent = style;
            this.shadowRoot.appendChild(styleEl);
        }
    }
    nodeOrShadowRoot(node) {
        return node === this.hostEl ? this.shadowRoot : node;
    }
    appendChild(parent, newChild) {
        return super.appendChild(this.nodeOrShadowRoot(parent), newChild);
    }
    insertBefore(parent, newChild, refChild) {
        return super.insertBefore(this.nodeOrShadowRoot(parent), newChild, refChild);
    }
    removeChild(_parent, oldChild) {
        return super.removeChild(null, oldChild);
    }
    parentNode(node) {
        return this.nodeOrShadowRoot(super.parentNode(this.nodeOrShadowRoot(node)));
    }
    destroy() {
        this.sharedStylesHost.removeHost(this.shadowRoot);
    }
}
class NoneEncapsulationDomRenderer extends DefaultDomRenderer2 {
    constructor(eventManager, sharedStylesHost, component, removeStylesOnCompDestroy, doc, ngZone, platformIsServer, compId) {
        super(eventManager, doc, ngZone, platformIsServer);
        this.sharedStylesHost = sharedStylesHost;
        this.removeStylesOnCompDestroy = removeStylesOnCompDestroy;
        this.styles = compId ? shimStylesContent(compId, component.styles) : component.styles;
    }
    applyStyles() {
        this.sharedStylesHost.addStyles(this.styles);
    }
    destroy() {
        if (!this.removeStylesOnCompDestroy) {
            return;
        }
        this.sharedStylesHost.removeStyles(this.styles);
    }
}
class EmulatedEncapsulationDomRenderer2 extends NoneEncapsulationDomRenderer {
    constructor(eventManager, sharedStylesHost, component, appId, removeStylesOnCompDestroy, doc, ngZone, platformIsServer) {
        const compId = appId + '-' + component.id;
        super(eventManager, sharedStylesHost, component, removeStylesOnCompDestroy, doc, ngZone, platformIsServer, compId);
        this.contentAttr = shimContentAttribute(compId);
        this.hostAttr = shimHostAttribute(compId);
    }
    applyToHost(element) {
        this.applyStyles();
        this.setAttribute(element, this.hostAttr, '');
    }
    createElement(parent, name) {
        const el = super.createElement(parent, name);
        super.setAttribute(el, this.contentAttr, '');
        return el;
    }
}

class DomEventsPlugin extends EventManagerPlugin {
    constructor(doc) {
        super(doc);
    }
    // This plugin should come last in the list of plugins, because it accepts all
    // events.
    supports(eventName) {
        return true;
    }
    addEventListener(element, eventName, handler) {
        element.addEventListener(eventName, handler, false);
        return () => this.removeEventListener(element, eventName, handler);
    }
    removeEventListener(target, eventName, callback) {
        return target.removeEventListener(eventName, callback);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: DomEventsPlugin, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: DomEventsPlugin }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: DomEventsPlugin, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }] });

class EventDelegationPlugin extends EventManagerPlugin {
    constructor(doc) {
        super(doc);
        this.delegate = inject(ɵGLOBAL_EVENT_DELEGATION, { optional: true });
    }
    supports(eventName) {
        // If `GlobalDelegationEventPlugin` implementation is not provided,
        // this plugin is kept disabled.
        return this.delegate ? this.delegate.supports(eventName) : false;
    }
    addEventListener(element, eventName, handler) {
        return this.delegate.addEventListener(element, eventName, handler);
    }
    removeEventListener(element, eventName, callback) {
        return this.delegate.removeEventListener(element, eventName, callback);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: EventDelegationPlugin, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: EventDelegationPlugin }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: EventDelegationPlugin, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }] });

/**
 * Defines supported modifiers for key events.
 */
const MODIFIER_KEYS = ['alt', 'control', 'meta', 'shift'];
// The following values are here for cross-browser compatibility and to match the W3C standard
// cf https://www.w3.org/TR/DOM-Level-3-Events-key/
const _keyMap = {
    '\b': 'Backspace',
    '\t': 'Tab',
    '\x7F': 'Delete',
    '\x1B': 'Escape',
    'Del': 'Delete',
    'Esc': 'Escape',
    'Left': 'ArrowLeft',
    'Right': 'ArrowRight',
    'Up': 'ArrowUp',
    'Down': 'ArrowDown',
    'Menu': 'ContextMenu',
    'Scroll': 'ScrollLock',
    'Win': 'OS',
};
/**
 * Retrieves modifiers from key-event objects.
 */
const MODIFIER_KEY_GETTERS = {
    'alt': (event) => event.altKey,
    'control': (event) => event.ctrlKey,
    'meta': (event) => event.metaKey,
    'shift': (event) => event.shiftKey,
};
/**
 * A browser plug-in that provides support for handling of key events in Angular.
 */
class KeyEventsPlugin extends EventManagerPlugin {
    /**
     * Initializes an instance of the browser plug-in.
     * @param doc The document in which key events will be detected.
     */
    constructor(doc) {
        super(doc);
    }
    /**
     * Reports whether a named key event is supported.
     * @param eventName The event name to query.
     * @return True if the named key event is supported.
     */
    supports(eventName) {
        return KeyEventsPlugin.parseEventName(eventName) != null;
    }
    /**
     * Registers a handler for a specific element and key event.
     * @param element The HTML element to receive event notifications.
     * @param eventName The name of the key event to listen for.
     * @param handler A function to call when the notification occurs. Receives the
     * event object as an argument.
     * @returns The key event that was registered.
     */
    addEventListener(element, eventName, handler) {
        const parsedEvent = KeyEventsPlugin.parseEventName(eventName);
        const outsideHandler = KeyEventsPlugin.eventCallback(parsedEvent['fullKey'], handler, this.manager.getZone());
        return this.manager.getZone().runOutsideAngular(() => {
            return ɵgetDOM().onAndCancel(element, parsedEvent['domEventName'], outsideHandler);
        });
    }
    /**
     * Parses the user provided full keyboard event definition and normalizes it for
     * later internal use. It ensures the string is all lowercase, converts special
     * characters to a standard spelling, and orders all the values consistently.
     *
     * @param eventName The name of the key event to listen for.
     * @returns an object with the full, normalized string, and the dom event name
     * or null in the case when the event doesn't match a keyboard event.
     */
    static parseEventName(eventName) {
        const parts = eventName.toLowerCase().split('.');
        const domEventName = parts.shift();
        if (parts.length === 0 || !(domEventName === 'keydown' || domEventName === 'keyup')) {
            return null;
        }
        const key = KeyEventsPlugin._normalizeKey(parts.pop());
        let fullKey = '';
        let codeIX = parts.indexOf('code');
        if (codeIX > -1) {
            parts.splice(codeIX, 1);
            fullKey = 'code.';
        }
        MODIFIER_KEYS.forEach((modifierName) => {
            const index = parts.indexOf(modifierName);
            if (index > -1) {
                parts.splice(index, 1);
                fullKey += modifierName + '.';
            }
        });
        fullKey += key;
        if (parts.length != 0 || key.length === 0) {
            // returning null instead of throwing to let another plugin process the event
            return null;
        }
        // NOTE: Please don't rewrite this as so, as it will break JSCompiler property renaming.
        //       The code must remain in the `result['domEventName']` form.
        // return {domEventName, fullKey};
        const result = {};
        result['domEventName'] = domEventName;
        result['fullKey'] = fullKey;
        return result;
    }
    /**
     * Determines whether the actual keys pressed match the configured key code string.
     * The `fullKeyCode` event is normalized in the `parseEventName` method when the
     * event is attached to the DOM during the `addEventListener` call. This is unseen
     * by the end user and is normalized for internal consistency and parsing.
     *
     * @param event The keyboard event.
     * @param fullKeyCode The normalized user defined expected key event string
     * @returns boolean.
     */
    static matchEventFullKeyCode(event, fullKeyCode) {
        let keycode = _keyMap[event.key] || event.key;
        let key = '';
        if (fullKeyCode.indexOf('code.') > -1) {
            keycode = event.code;
            key = 'code.';
        }
        // the keycode could be unidentified so we have to check here
        if (keycode == null || !keycode)
            return false;
        keycode = keycode.toLowerCase();
        if (keycode === ' ') {
            keycode = 'space'; // for readability
        }
        else if (keycode === '.') {
            keycode = 'dot'; // because '.' is used as a separator in event names
        }
        MODIFIER_KEYS.forEach((modifierName) => {
            if (modifierName !== keycode) {
                const modifierGetter = MODIFIER_KEY_GETTERS[modifierName];
                if (modifierGetter(event)) {
                    key += modifierName + '.';
                }
            }
        });
        key += keycode;
        return key === fullKeyCode;
    }
    /**
     * Configures a handler callback for a key event.
     * @param fullKey The event name that combines all simultaneous keystrokes.
     * @param handler The function that responds to the key event.
     * @param zone The zone in which the event occurred.
     * @returns A callback function.
     */
    static eventCallback(fullKey, handler, zone) {
        return (event) => {
            if (KeyEventsPlugin.matchEventFullKeyCode(event, fullKey)) {
                zone.runGuarded(() => handler(event));
            }
        };
    }
    /** @internal */
    static _normalizeKey(keyName) {
        return keyName === 'esc' ? 'escape' : keyName;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: KeyEventsPlugin, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: KeyEventsPlugin }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: KeyEventsPlugin, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }] });

/**
 * Bootstraps an instance of an Angular application and renders a standalone component as the
 * application's root component. More information about standalone components can be found in [this
 * guide](guide/components/importing).
 *
 * @usageNotes
 * The root component passed into this function *must* be a standalone one (should have the
 * `standalone: true` flag in the `@Component` decorator config).
 *
 * ```typescript
 * @Component({
 *   standalone: true,
 *   template: 'Hello world!'
 * })
 * class RootComponent {}
 *
 * const appRef: ApplicationRef = await bootstrapApplication(RootComponent);
 * ```
 *
 * You can add the list of providers that should be available in the application injector by
 * specifying the `providers` field in an object passed as the second argument:
 *
 * ```typescript
 * await bootstrapApplication(RootComponent, {
 *   providers: [
 *     {provide: BACKEND_URL, useValue: 'https://yourdomain.com/api'}
 *   ]
 * });
 * ```
 *
 * The `importProvidersFrom` helper method can be used to collect all providers from any
 * existing NgModule (and transitively from all NgModules that it imports):
 *
 * ```typescript
 * await bootstrapApplication(RootComponent, {
 *   providers: [
 *     importProvidersFrom(SomeNgModule)
 *   ]
 * });
 * ```
 *
 * Note: the `bootstrapApplication` method doesn't include [Testability](api/core/Testability) by
 * default. You can add [Testability](api/core/Testability) by getting the list of necessary
 * providers using `provideProtractorTestingSupport()` function and adding them into the `providers`
 * array, for example:
 *
 * ```typescript
 * import {provideProtractorTestingSupport} from '@angular/platform-browser';
 *
 * await bootstrapApplication(RootComponent, {providers: [provideProtractorTestingSupport()]});
 * ```
 *
 * @param rootComponent A reference to a standalone component that should be rendered.
 * @param options Extra configuration for the bootstrap operation, see `ApplicationConfig` for
 *     additional info.
 * @returns A promise that returns an `ApplicationRef` instance once resolved.
 *
 * @publicApi
 */
function bootstrapApplication(rootComponent, options) {
    return ɵinternalCreateApplication({ rootComponent, ...createProvidersConfig(options) });
}
/**
 * Create an instance of an Angular application without bootstrapping any components. This is useful
 * for the situation where one wants to decouple application environment creation (a platform and
 * associated injectors) from rendering components on a screen. Components can be subsequently
 * bootstrapped on the returned `ApplicationRef`.
 *
 * @param options Extra configuration for the application environment, see `ApplicationConfig` for
 *     additional info.
 * @returns A promise that returns an `ApplicationRef` instance once resolved.
 *
 * @publicApi
 */
function createApplication(options) {
    return ɵinternalCreateApplication(createProvidersConfig(options));
}
function createProvidersConfig(options) {
    return {
        appProviders: [...BROWSER_MODULE_PROVIDERS, ...(options?.providers ?? [])],
        platformProviders: INTERNAL_BROWSER_PLATFORM_PROVIDERS,
    };
}
/**
 * Returns a set of providers required to setup [Testability](api/core/Testability) for an
 * application bootstrapped using the `bootstrapApplication` function. The set of providers is
 * needed to support testing an application with Protractor (which relies on the Testability APIs
 * to be present).
 *
 * @returns An array of providers required to setup Testability for an application and make it
 *     available for testing using Protractor.
 *
 * @publicApi
 */
function provideProtractorTestingSupport() {
    // Return a copy to prevent changes to the original array in case any in-place
    // alterations are performed to the `provideProtractorTestingSupport` call results in app
    // code.
    return [...TESTABILITY_PROVIDERS];
}
function initDomAdapter() {
    BrowserDomAdapter.makeCurrent();
}
function errorHandler() {
    return new ErrorHandler();
}
function _document() {
    // Tell ivy about the global document
    ɵsetDocument(document);
    return document;
}
const INTERNAL_BROWSER_PLATFORM_PROVIDERS = [
    { provide: PLATFORM_ID, useValue: ɵPLATFORM_BROWSER_ID },
    { provide: PLATFORM_INITIALIZER, useValue: initDomAdapter, multi: true },
    { provide: DOCUMENT, useFactory: _document, deps: [] },
];
/**
 * A factory function that returns a `PlatformRef` instance associated with browser service
 * providers.
 *
 * @publicApi
 */
const platformBrowser = createPlatformFactory(platformCore, 'browser', INTERNAL_BROWSER_PLATFORM_PROVIDERS);
/**
 * Internal marker to signal whether providers from the `BrowserModule` are already present in DI.
 * This is needed to avoid loading `BrowserModule` providers twice. We can't rely on the
 * `BrowserModule` presence itself, since the standalone-based bootstrap just imports
 * `BrowserModule` providers without referencing the module itself.
 */
const BROWSER_MODULE_PROVIDERS_MARKER = new InjectionToken(typeof ngDevMode === 'undefined' || ngDevMode ? 'BrowserModule Providers Marker' : '');
const TESTABILITY_PROVIDERS = [
    {
        provide: ɵTESTABILITY_GETTER,
        useClass: BrowserGetTestability,
        deps: [],
    },
    {
        provide: ɵTESTABILITY,
        useClass: Testability,
        deps: [NgZone, TestabilityRegistry, ɵTESTABILITY_GETTER],
    },
    {
        provide: Testability, // Also provide as `Testability` for backwards-compatibility.
        useClass: Testability,
        deps: [NgZone, TestabilityRegistry, ɵTESTABILITY_GETTER],
    },
];
const BROWSER_MODULE_PROVIDERS = [
    { provide: ɵINJECTOR_SCOPE, useValue: 'root' },
    { provide: ErrorHandler, useFactory: errorHandler, deps: [] },
    {
        provide: EVENT_MANAGER_PLUGINS,
        useClass: DomEventsPlugin,
        multi: true,
        deps: [DOCUMENT, NgZone, PLATFORM_ID],
    },
    { provide: EVENT_MANAGER_PLUGINS, useClass: KeyEventsPlugin, multi: true, deps: [DOCUMENT] },
    {
        provide: EVENT_MANAGER_PLUGINS,
        useClass: EventDelegationPlugin,
        multi: true,
    },
    DomRendererFactory2,
    SharedStylesHost,
    EventManager,
    { provide: RendererFactory2, useExisting: DomRendererFactory2 },
    { provide: XhrFactory, useClass: BrowserXhr, deps: [] },
    typeof ngDevMode === 'undefined' || ngDevMode
        ? { provide: BROWSER_MODULE_PROVIDERS_MARKER, useValue: true }
        : [],
];
/**
 * Exports required infrastructure for all Angular apps.
 * Included by default in all Angular apps created with the CLI
 * `new` command.
 * Re-exports `CommonModule` and `ApplicationModule`, making their
 * exports and providers available to all apps.
 *
 * @publicApi
 */
class BrowserModule {
    constructor(providersAlreadyPresent) {
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && providersAlreadyPresent) {
            throw new ɵRuntimeError(5100 /* RuntimeErrorCode.BROWSER_MODULE_ALREADY_LOADED */, `Providers from the \`BrowserModule\` have already been loaded. If you need access ` +
                `to common directives such as NgIf and NgFor, import the \`CommonModule\` instead.`);
        }
    }
    /**
     * Configures a browser-based app to transition from a server-rendered app, if
     * one is present on the page.
     *
     * @param params An object containing an identifier for the app to transition.
     * The ID must match between the client and server versions of the app.
     * @returns The reconfigured `BrowserModule` to import into the app's root `AppModule`.
     *
     * @deprecated Use {@link APP_ID} instead to set the application ID.
     */
    static withServerTransition(params) {
        return {
            ngModule: BrowserModule,
            providers: [{ provide: APP_ID, useValue: params.appId }],
        };
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: BrowserModule, deps: [{ token: BROWSER_MODULE_PROVIDERS_MARKER, optional: true, skipSelf: true }], target: i0.ɵɵFactoryTarget.NgModule }); }
    static { this.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "18.2.1", ngImport: i0, type: BrowserModule, exports: [CommonModule, ApplicationModule] }); }
    static { this.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: BrowserModule, providers: [...BROWSER_MODULE_PROVIDERS, ...TESTABILITY_PROVIDERS], imports: [CommonModule, ApplicationModule] }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: BrowserModule, decorators: [{
            type: NgModule,
            args: [{
                    providers: [...BROWSER_MODULE_PROVIDERS, ...TESTABILITY_PROVIDERS],
                    exports: [CommonModule, ApplicationModule],
                }]
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Optional
                }, {
                    type: SkipSelf
                }, {
                    type: Inject,
                    args: [BROWSER_MODULE_PROVIDERS_MARKER]
                }] }] });

/**
 * A service for managing HTML `` tags.
 *
 * Properties of the `MetaDefinition` object match the attributes of the
 * HTML `` tag. These tags define document metadata that is important for
 * things like configuring a Content Security Policy, defining browser compatibility
 * and security settings, setting HTTP Headers, defining rich content for social sharing,
 * and Search Engine Optimization (SEO).
 *
 * To identify specific `` tags in a document, use an attribute selection
 * string in the format `"tag_attribute='value string'"`.
 * For example, an `attrSelector` value of `"name='description'"` matches a tag
 * whose `name` attribute has the value `"description"`.
 * Selectors are used with the `querySelector()` Document method,
 * in the format `meta[{attrSelector}]`.
 *
 * @see [HTML meta tag](https://developer.mozilla.org/docs/Web/HTML/Element/meta)
 * @see [Document.querySelector()](https://developer.mozilla.org/docs/Web/API/Document/querySelector)
 *
 *
 * @publicApi
 */
class Meta {
    constructor(_doc) {
        this._doc = _doc;
        this._dom = ɵgetDOM();
    }
    /**
     * Retrieves or creates a specific `` tag element in the current HTML document.
     * In searching for an existing tag, Angular attempts to match the `name` or `property` attribute
     * values in the provided tag definition, and verifies that all other attribute values are equal.
     * If an existing element is found, it is returned and is not modified in any way.
     * @param tag The definition of a `` element to match or create.
     * @param forceCreation True to create a new element without checking whether one already exists.
     * @returns The existing element with the same attributes and values if found,
     * the new element if no match is found, or `null` if the tag parameter is not defined.
     */
    addTag(tag, forceCreation = false) {
        if (!tag)
            return null;
        return this._getOrCreateElement(tag, forceCreation);
    }
    /**
     * Retrieves or creates a set of `` tag elements in the current HTML document.
     * In searching for an existing tag, Angular attempts to match the `name` or `property` attribute
     * values in the provided tag definition, and verifies that all other attribute values are equal.
     * @param tags An array of tag definitions to match or create.
     * @param forceCreation True to create new elements without checking whether they already exist.
     * @returns The matching elements if found, or the new elements.
     */
    addTags(tags, forceCreation = false) {
        if (!tags)
            return [];
        return tags.reduce((result, tag) => {
            if (tag) {
                result.push(this._getOrCreateElement(tag, forceCreation));
            }
            return result;
        }, []);
    }
    /**
     * Retrieves a `` tag element in the current HTML document.
     * @param attrSelector The tag attribute and value to match against, in the format
     * `"tag_attribute='value string'"`.
     * @returns The matching element, if any.
     */
    getTag(attrSelector) {
        if (!attrSelector)
            return null;
        return this._doc.querySelector(`meta[${attrSelector}]`) || null;
    }
    /**
     * Retrieves a set of `` tag elements in the current HTML document.
     * @param attrSelector The tag attribute and value to match against, in the format
     * `"tag_attribute='value string'"`.
     * @returns The matching elements, if any.
     */
    getTags(attrSelector) {
        if (!attrSelector)
            return [];
        const list /*NodeList*/ = this._doc.querySelectorAll(`meta[${attrSelector}]`);
        return list ? [].slice.call(list) : [];
    }
    /**
     * Modifies an existing `` tag element in the current HTML document.
     * @param tag The tag description with which to replace the existing tag content.
     * @param selector A tag attribute and value to match against, to identify
     * an existing tag. A string in the format `"tag_attribute=`value string`"`.
     * If not supplied, matches a tag with the same `name` or `property` attribute value as the
     * replacement tag.
     * @return The modified element.
     */
    updateTag(tag, selector) {
        if (!tag)
            return null;
        selector = selector || this._parseSelector(tag);
        const meta = this.getTag(selector);
        if (meta) {
            return this._setMetaElementAttributes(tag, meta);
        }
        return this._getOrCreateElement(tag, true);
    }
    /**
     * Removes an existing `` tag element from the current HTML document.
     * @param attrSelector A tag attribute and value to match against, to identify
     * an existing tag. A string in the format `"tag_attribute=`value string`"`.
     */
    removeTag(attrSelector) {
        this.removeTagElement(this.getTag(attrSelector));
    }
    /**
     * Removes an existing `` tag element from the current HTML document.
     * @param meta The tag definition to match against to identify an existing tag.
     */
    removeTagElement(meta) {
        if (meta) {
            this._dom.remove(meta);
        }
    }
    _getOrCreateElement(meta, forceCreation = false) {
        if (!forceCreation) {
            const selector = this._parseSelector(meta);
            // It's allowed to have multiple elements with the same name so it's not enough to
            // just check that element with the same name already present on the page. We also need to
            // check if element has tag attributes
            const elem = this.getTags(selector).filter((elem) => this._containsAttributes(meta, elem))[0];
            if (elem !== undefined)
                return elem;
        }
        const element = this._dom.createElement('meta');
        this._setMetaElementAttributes(meta, element);
        const head = this._doc.getElementsByTagName('head')[0];
        head.appendChild(element);
        return element;
    }
    _setMetaElementAttributes(tag, el) {
        Object.keys(tag).forEach((prop) => el.setAttribute(this._getMetaKeyMap(prop), tag[prop]));
        return el;
    }
    _parseSelector(tag) {
        const attr = tag.name ? 'name' : 'property';
        return `${attr}="${tag[attr]}"`;
    }
    _containsAttributes(tag, elem) {
        return Object.keys(tag).every((key) => elem.getAttribute(this._getMetaKeyMap(key)) === tag[key]);
    }
    _getMetaKeyMap(prop) {
        return META_KEYS_MAP[prop] || prop;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: Meta, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: Meta, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.1", ngImport: i0, type: Meta, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }], ctorParameters: () => [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }] });
/**
 * Mapping for MetaDefinition properties with their correct meta attribute names
 */
const META_KEYS_MAP = {
    httpEquiv: 'http-equiv',
};

/**
 * A service that can be used to get and set the title of a current HTML document.
 *
 * Since an Angular application can't be bootstrapped on the entire HTML document (`` tag)
 * it is not possible to bind to the `text` property of the `HTMLTitleElement` elements
 * (representing the `