@angular/cdk/esm5/platform.es5.js

Angular Material Component Development Kit

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { Inject, Injectable, Optional, PLATFORM_ID, NgModule, defineInjectable, inject } from '@angular/core';
import { isPlatformBrowser } from '@angular/common';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */
// Whether the current platform supports the V8 Break Iterator. The V8 check
// is necessary to detect all Blink based browsers.
var /** @type {?} */ hasV8BreakIterator = (typeof Intl !== 'undefined' && (/** @type {?} */ (Intl)).v8BreakIterator);
/**
 * Service to detect the current platform by comparing the userAgent strings and
 * checking browser-specific global properties.
 */
var Platform = /** @class */ (function () {
    /**
     * @breaking-change v7.0.0 remove optional decorator
     */
    function Platform(_platformId) {
        this._platformId = _platformId;
        /**
         * Whether the Angular application is being rendered in the browser.
         * We want to use the Angular platform check because if the Document is shimmed
         * without the navigator, the following checks will fail. This is preferred because
         * sometimes the Document may be shimmed without the user's knowledge or intention
         */
        this.isBrowser = this._platformId ?
            isPlatformBrowser(this._platformId) : typeof document === 'object' && !!document;
        /**
         * Whether the current browser is Microsoft Edge.
         */
        this.EDGE = this.isBrowser && /(edge)/i.test(navigator.userAgent);
        /**
         * Whether the current rendering engine is Microsoft Trident.
         */
        this.TRIDENT = this.isBrowser && /(msie|trident)/i.test(navigator.userAgent);
        /**
         * Whether the current rendering engine is Blink.
         */
        this.BLINK = this.isBrowser && (!!((/** @type {?} */ (window)).chrome || hasV8BreakIterator) &&
            typeof CSS !== 'undefined' && !this.EDGE && !this.TRIDENT);
        /**
         * Whether the current rendering engine is WebKit.
         */
        this.WEBKIT = this.isBrowser &&
            /AppleWebKit/i.test(navigator.userAgent) && !this.BLINK && !this.EDGE && !this.TRIDENT;
        /**
         * Whether the current platform is Apple iOS.
         */
        this.IOS = this.isBrowser && /iPad|iPhone|iPod/.test(navigator.userAgent) &&
            !(/** @type {?} */ (window)).MSStream;
        /**
         * Whether the current browser is Firefox.
         */
        this.FIREFOX = this.isBrowser && /(firefox|minefield)/i.test(navigator.userAgent);
        /**
         * Whether the current platform is Android.
         */
        this.ANDROID = this.isBrowser && /android/i.test(navigator.userAgent) && !this.TRIDENT;
        /**
         * Whether the current browser is Safari.
         */
        this.SAFARI = this.isBrowser && /safari/i.test(navigator.userAgent) && this.WEBKIT;
    }
    Platform.decorators = [
        { type: Injectable, args: [{ providedIn: 'root' },] },
    ];
    /** @nocollapse */
    Platform.ctorParameters = function () { return [
        { type: Object, decorators: [{ type: Optional }, { type: Inject, args: [PLATFORM_ID,] },] },
    ]; };
    /** @nocollapse */ Platform.ngInjectableDef = defineInjectable({ factory: function Platform_Factory() { return new Platform(inject(PLATFORM_ID, 8)); }, token: Platform, providedIn: "root" });
    return Platform;
}());

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */

/**
 * Cached result of whether the user's browser supports passive event listeners.
 */
var /** @type {?} */ supportsPassiveEvents;
/**
 * Checks whether the user's browser supports passive event listeners.
 * See: https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md
 * @return {?}
 */
function supportsPassiveEventListeners() {
    if (supportsPassiveEvents == null && typeof window !== 'undefined') {
        try {
            window.addEventListener('test', /** @type {?} */ ((null)), Object.defineProperty({}, 'passive', {
                get: function () { return supportsPassiveEvents = true; }
            }));
        }
        finally {
            supportsPassiveEvents = supportsPassiveEvents || false;
        }
    }
    return supportsPassiveEvents;
}
/**
 * Check whether the browser supports scroll behaviors.
 * @return {?}
 */
function supportsScrollBehavior() {
    return !!(document && document.documentElement && document.documentElement.style &&
        'scrollBehavior' in document.documentElement.style);
}
/**
 * Cached result Set of input types support by the current browser.
 */
var /** @type {?} */ supportedInputTypes;
/**
 * Types of `<input>` that *might* be supported.
 */
var /** @type {?} */ candidateInputTypes = [
    'color',
    'button',
    'checkbox',
    'date',
    'datetime-local',
    'email',
    'file',
    'hidden',
    'image',
    'month',
    'number',
    'password',
    'radio',
    'range',
    'reset',
    'search',
    'submit',
    'tel',
    'text',
    'time',
    'url',
    'week',
];
/**
 * @return {?} The input types supported by this browser.
 */
function getSupportedInputTypes() {
    // Result is cached.
    if (supportedInputTypes) {
        return supportedInputTypes;
    }
    // We can't check if an input type is not supported until we're on the browser, so say that
    // everything is supported when not on the browser. We don't use `Platform` here since it's
    // just a helper function and can't inject it.
    if (typeof document !== 'object' || !document) {
        supportedInputTypes = new Set(candidateInputTypes);
        return supportedInputTypes;
    }
    var /** @type {?} */ featureTestInput = document.createElement('input');
    supportedInputTypes = new Set(candidateInputTypes.filter(function (value) {
        featureTestInput.setAttribute('type', value);
        return featureTestInput.type === value;
    }));
    return supportedInputTypes;
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */
var PlatformModule = /** @class */ (function () {
    function PlatformModule() {
    }
    PlatformModule.decorators = [
        { type: NgModule },
    ];
    return PlatformModule;
}());

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes} checked by tsc
 */

export { Platform, supportsPassiveEventListeners, supportsScrollBehavior, getSupportedInputTypes, PlatformModule };
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