/**
 * @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
 */
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core')) :
	typeof define === 'function' && define.amd ? define('@angular/cdk/portal', ['exports', '@angular/core'], factory) :
	(factory((global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.portal = {}),global.ng.core));
}(this, (function (exports,core) { 'use strict';

/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0

THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.

See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/* global Reflect, Promise */

var extendStatics = function(d, b) {
    extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return extendStatics(d, b);
};

function __extends(d, b) {
    extendStatics(d, b);
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}

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

/**
 * Throws an exception when attempting to attach a null portal to a host.
 * \@docs-private
 * @return {?}
 */
function throwNullPortalError() {
    throw Error('Must provide a portal to attach');
}
/**
 * Throws an exception when attempting to attach a portal to a host that is already attached.
 * \@docs-private
 * @return {?}
 */
function throwPortalAlreadyAttachedError() {
    throw Error('Host already has a portal attached');
}
/**
 * Throws an exception when attempting to attach a portal to an already-disposed host.
 * \@docs-private
 * @return {?}
 */
function throwPortalOutletAlreadyDisposedError() {
    throw Error('This PortalOutlet has already been disposed');
}
/**
 * Throws an exception when attempting to attach an unknown portal type.
 * \@docs-private
 * @return {?}
 */
function throwUnknownPortalTypeError() {
    throw Error('Attempting to attach an unknown Portal type. BasePortalOutlet accepts either ' +
        'a ComponentPortal or a TemplatePortal.');
}
/**
 * Throws an exception when attempting to attach a portal to a null host.
 * \@docs-private
 * @return {?}
 */
function throwNullPortalOutletError() {
    throw Error('Attempting to attach a portal to a null PortalOutlet');
}
/**
 * Throws an exception when attempting to detach a portal that is not attached.
 * \@docs-private
 * @return {?}
 */
function throwNoPortalAttachedError() {
    throw Error('Attempting to detach a portal that is not attached to a host');
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
/**
 * A `Portal` is something that you want to render somewhere else.
 * It can be attach to / detached from a `PortalOutlet`.
 * @abstract
 * @template T
 */
var   /**
 * A `Portal` is something that you want to render somewhere else.
 * It can be attach to / detached from a `PortalOutlet`.
 * @abstract
 * @template T
 */
Portal = /** @class */ (function () {
    function Portal() {
    }
    /** Attach this portal to a host. */
    /**
     * Attach this portal to a host.
     * @param {?} host
     * @return {?}
     */
    Portal.prototype.attach = /**
     * Attach this portal to a host.
     * @param {?} host
     * @return {?}
     */
    function (host) {
        if (host == null) {
            throwNullPortalOutletError();
        }
        if (host.hasAttached()) {
            throwPortalAlreadyAttachedError();
        }
        this._attachedHost = host;
        return /** @type {?} */ (host.attach(this));
    };
    /** Detach this portal from its host */
    /**
     * Detach this portal from its host
     * @return {?}
     */
    Portal.prototype.detach = /**
     * Detach this portal from its host
     * @return {?}
     */
    function () {
        /** @type {?} */
        var host = this._attachedHost;
        if (host == null) {
            throwNoPortalAttachedError();
        }
        else {
            this._attachedHost = null;
            host.detach();
        }
    };
    Object.defineProperty(Portal.prototype, "isAttached", {
        /** Whether this portal is attached to a host. */
        get: /**
         * Whether this portal is attached to a host.
         * @return {?}
         */
        function () {
            return this._attachedHost != null;
        },
        enumerable: true,
        configurable: true
    });
    /**
     * Sets the PortalOutlet reference without performing `attach()`. This is used directly by
     * the PortalOutlet when it is performing an `attach()` or `detach()`.
     */
    /**
     * Sets the PortalOutlet reference without performing `attach()`. This is used directly by
     * the PortalOutlet when it is performing an `attach()` or `detach()`.
     * @param {?} host
     * @return {?}
     */
    Portal.prototype.setAttachedHost = /**
     * Sets the PortalOutlet reference without performing `attach()`. This is used directly by
     * the PortalOutlet when it is performing an `attach()` or `detach()`.
     * @param {?} host
     * @return {?}
     */
    function (host) {
        this._attachedHost = host;
    };
    return Portal;
}());
/**
 * A `ComponentPortal` is a portal that instantiates some Component upon attachment.
 * @template T
 */
var   /**
 * A `ComponentPortal` is a portal that instantiates some Component upon attachment.
 * @template T
 */
ComponentPortal = /** @class */ (function (_super) {
    __extends(ComponentPortal, _super);
    function ComponentPortal(component, viewContainerRef, injector, componentFactoryResolver) {
        var _this = _super.call(this) || this;
        _this.component = component;
        _this.viewContainerRef = viewContainerRef;
        _this.injector = injector;
        _this.componentFactoryResolver = componentFactoryResolver;
        return _this;
    }
    return ComponentPortal;
}(Portal));
/**
 * A `TemplatePortal` is a portal that represents some embedded template (TemplateRef).
 * @template C
 */
var   /**
 * A `TemplatePortal` is a portal that represents some embedded template (TemplateRef).
 * @template C
 */
TemplatePortal = /** @class */ (function (_super) {
    __extends(TemplatePortal, _super);
    function TemplatePortal(template, viewContainerRef, context) {
        var _this = _super.call(this) || this;
        _this.templateRef = template;
        _this.viewContainerRef = viewContainerRef;
        _this.context = context;
        return _this;
    }
    Object.defineProperty(TemplatePortal.prototype, "origin", {
        get: /**
         * @return {?}
         */
        function () {
            return this.templateRef.elementRef;
        },
        enumerable: true,
        configurable: true
    });
    /**
     * Attach the the portal to the provided `PortalOutlet`.
     * When a context is provided it will override the `context` property of the `TemplatePortal`
     * instance.
     */
    /**
     * Attach the the portal to the provided `PortalOutlet`.
     * When a context is provided it will override the `context` property of the `TemplatePortal`
     * instance.
     * @param {?} host
     * @param {?=} context
     * @return {?}
     */
    TemplatePortal.prototype.attach = /**
     * Attach the the portal to the provided `PortalOutlet`.
     * When a context is provided it will override the `context` property of the `TemplatePortal`
     * instance.
     * @param {?} host
     * @param {?=} context
     * @return {?}
     */
    function (host, context) {
        if (context === void 0) { context = this.context; }
        this.context = context;
        return _super.prototype.attach.call(this, host);
    };
    /**
     * @return {?}
     */
    TemplatePortal.prototype.detach = /**
     * @return {?}
     */
    function () {
        this.context = undefined;
        return _super.prototype.detach.call(this);
    };
    return TemplatePortal;
}(Portal));
/**
 * Partial implementation of PortalOutlet that handles attaching
 * ComponentPortal and TemplatePortal.
 * @abstract
 */
var   /**
 * Partial implementation of PortalOutlet that handles attaching
 * ComponentPortal and TemplatePortal.
 * @abstract
 */
BasePortalOutlet = /** @class */ (function () {
    function BasePortalOutlet() {
        /**
         * Whether this host has already been permanently disposed.
         */
        this._isDisposed = false;
    }
    /** Whether this host has an attached portal. */
    /**
     * Whether this host has an attached portal.
     * @return {?}
     */
    BasePortalOutlet.prototype.hasAttached = /**
     * Whether this host has an attached portal.
     * @return {?}
     */
    function () {
        return !!this._attachedPortal;
    };
    /** Attaches a portal. */
    /**
     * Attaches a portal.
     * @param {?} portal
     * @return {?}
     */
    BasePortalOutlet.prototype.attach = /**
     * Attaches a portal.
     * @param {?} portal
     * @return {?}
     */
    function (portal) {
        if (!portal) {
            throwNullPortalError();
        }
        if (this.hasAttached()) {
            throwPortalAlreadyAttachedError();
        }
        if (this._isDisposed) {
            throwPortalOutletAlreadyDisposedError();
        }
        if (portal instanceof ComponentPortal) {
            this._attachedPortal = portal;
            return this.attachComponentPortal(portal);
        }
        else if (portal instanceof TemplatePortal) {
            this._attachedPortal = portal;
            return this.attachTemplatePortal(portal);
        }
        throwUnknownPortalTypeError();
    };
    /** Detaches a previously attached portal. */
    /**
     * Detaches a previously attached portal.
     * @return {?}
     */
    BasePortalOutlet.prototype.detach = /**
     * Detaches a previously attached portal.
     * @return {?}
     */
    function () {
        if (this._attachedPortal) {
            this._attachedPortal.setAttachedHost(null);
            this._attachedPortal = null;
        }
        this._invokeDisposeFn();
    };
    /** Permanently dispose of this portal host. */
    /**
     * Permanently dispose of this portal host.
     * @return {?}
     */
    BasePortalOutlet.prototype.dispose = /**
     * Permanently dispose of this portal host.
     * @return {?}
     */
    function () {
        if (this.hasAttached()) {
            this.detach();
        }
        this._invokeDisposeFn();
        this._isDisposed = true;
    };
    /** @docs-private */
    /**
     * \@docs-private
     * @param {?} fn
     * @return {?}
     */
    BasePortalOutlet.prototype.setDisposeFn = /**
     * \@docs-private
     * @param {?} fn
     * @return {?}
     */
    function (fn) {
        this._disposeFn = fn;
    };
    /**
     * @return {?}
     */
    BasePortalOutlet.prototype._invokeDisposeFn = /**
     * @return {?}
     */
    function () {
        if (this._disposeFn) {
            this._disposeFn();
            this._disposeFn = null;
        }
    };
    return BasePortalOutlet;
}());

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
/**
 * A PortalOutlet for attaching portals to an arbitrary DOM element outside of the Angular
 * application context.
 */
var   /**
 * A PortalOutlet for attaching portals to an arbitrary DOM element outside of the Angular
 * application context.
 */
DomPortalOutlet = /** @class */ (function (_super) {
    __extends(DomPortalOutlet, _super);
    function DomPortalOutlet(outletElement, _componentFactoryResolver, _appRef, _defaultInjector) {
        var _this = _super.call(this) || this;
        _this.outletElement = outletElement;
        _this._componentFactoryResolver = _componentFactoryResolver;
        _this._appRef = _appRef;
        _this._defaultInjector = _defaultInjector;
        return _this;
    }
    /**
     * Attach the given ComponentPortal to DOM element using the ComponentFactoryResolver.
     * @param portal Portal to be attached
     * @returns Reference to the created component.
     */
    /**
     * Attach the given ComponentPortal to DOM element using the ComponentFactoryResolver.
     * @template T
     * @param {?} portal Portal to be attached
     * @return {?} Reference to the created component.
     */
    DomPortalOutlet.prototype.attachComponentPortal = /**
     * Attach the given ComponentPortal to DOM element using the ComponentFactoryResolver.
     * @template T
     * @param {?} portal Portal to be attached
     * @return {?} Reference to the created component.
     */
    function (portal) {
        var _this = this;
        /** @type {?} */
        var resolver = portal.componentFactoryResolver || this._componentFactoryResolver;
        /** @type {?} */
        var componentFactory = resolver.resolveComponentFactory(portal.component);
        /** @type {?} */
        var componentRef;
        // If the portal specifies a ViewContainerRef, we will use that as the attachment point
        // for the component (in terms of Angular's component tree, not rendering).
        // When the ViewContainerRef is missing, we use the factory to create the component directly
        // and then manually attach the view to the application.
        if (portal.viewContainerRef) {
            componentRef = portal.viewContainerRef.createComponent(componentFactory, portal.viewContainerRef.length, portal.injector || portal.viewContainerRef.parentInjector);
            this.setDisposeFn(function () { return componentRef.destroy(); });
        }
        else {
            componentRef = componentFactory.create(portal.injector || this._defaultInjector);
            this._appRef.attachView(componentRef.hostView);
            this.setDisposeFn(function () {
                _this._appRef.detachView(componentRef.hostView);
                componentRef.destroy();
            });
        }
        // At this point the component has been instantiated, so we move it to the location in the DOM
        // where we want it to be rendered.
        this.outletElement.appendChild(this._getComponentRootNode(componentRef));
        return componentRef;
    };
    /**
     * Attaches a template portal to the DOM as an embedded view.
     * @param portal Portal to be attached.
     * @returns Reference to the created embedded view.
     */
    /**
     * Attaches a template portal to the DOM as an embedded view.
     * @template C
     * @param {?} portal Portal to be attached.
     * @return {?} Reference to the created embedded view.
     */
    DomPortalOutlet.prototype.attachTemplatePortal = /**
     * Attaches a template portal to the DOM as an embedded view.
     * @template C
     * @param {?} portal Portal to be attached.
     * @return {?} Reference to the created embedded view.
     */
    function (portal) {
        var _this = this;
        /** @type {?} */
        var viewContainer = portal.viewContainerRef;
        /** @type {?} */
        var viewRef = viewContainer.createEmbeddedView(portal.templateRef, portal.context);
        viewRef.detectChanges();
        // The method `createEmbeddedView` will add the view as a child of the viewContainer.
        // But for the DomPortalOutlet the view can be added everywhere in the DOM
        // (e.g Overlay Container) To move the view to the specified host element. We just
        // re-append the existing root nodes.
        viewRef.rootNodes.forEach(function (rootNode) { return _this.outletElement.appendChild(rootNode); });
        this.setDisposeFn((function () {
            /** @type {?} */
            var index = viewContainer.indexOf(viewRef);
            if (index !== -1) {
                viewContainer.remove(index);
            }
        }));
        // TODO(jelbourn): Return locals from view.
        return viewRef;
    };
    /**
     * Clears out a portal from the DOM.
     */
    /**
     * Clears out a portal from the DOM.
     * @return {?}
     */
    DomPortalOutlet.prototype.dispose = /**
     * Clears out a portal from the DOM.
     * @return {?}
     */
    function () {
        _super.prototype.dispose.call(this);
        if (this.outletElement.parentNode != null) {
            this.outletElement.parentNode.removeChild(this.outletElement);
        }
    };
    /**
     * Gets the root HTMLElement for an instantiated component.
     * @param {?} componentRef
     * @return {?}
     */
    DomPortalOutlet.prototype._getComponentRootNode = /**
     * Gets the root HTMLElement for an instantiated component.
     * @param {?} componentRef
     * @return {?}
     */
    function (componentRef) {
        return /** @type {?} */ ((/** @type {?} */ (componentRef.hostView)).rootNodes[0]);
    };
    return DomPortalOutlet;
}(BasePortalOutlet));

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
/**
 * Directive version of a `TemplatePortal`. Because the directive *is* a TemplatePortal,
 * the directive instance itself can be attached to a host, enabling declarative use of portals.
 */
var CdkPortal = /** @class */ (function (_super) {
    __extends(CdkPortal, _super);
    function CdkPortal(templateRef, viewContainerRef) {
        return _super.call(this, templateRef, viewContainerRef) || this;
    }
    CdkPortal.decorators = [
        { type: core.Directive, args: [{
                    selector: '[cdk-portal], [cdkPortal], [portal]',
                    exportAs: 'cdkPortal',
                },] },
    ];
    /** @nocollapse */
    CdkPortal.ctorParameters = function () { return [
        { type: core.TemplateRef },
        { type: core.ViewContainerRef }
    ]; };
    return CdkPortal;
}(TemplatePortal));
/**
 * Directive version of a PortalOutlet. Because the directive *is* a PortalOutlet, portals can be
 * directly attached to it, enabling declarative use.
 *
 * Usage:
 * `<ng-template [cdkPortalOutlet]="greeting"></ng-template>`
 */
var CdkPortalOutlet = /** @class */ (function (_super) {
    __extends(CdkPortalOutlet, _super);
    function CdkPortalOutlet(_componentFactoryResolver, _viewContainerRef) {
        var _this = _super.call(this) || this;
        _this._componentFactoryResolver = _componentFactoryResolver;
        _this._viewContainerRef = _viewContainerRef;
        /**
         * Whether the portal component is initialized.
         */
        _this._isInitialized = false;
        _this.attached = new core.EventEmitter();
        return _this;
    }
    Object.defineProperty(CdkPortalOutlet.prototype, "portal", {
        /** Portal associated with the Portal outlet. */
        get: /**
         * Portal associated with the Portal outlet.
         * @return {?}
         */
        function () {
            return this._attachedPortal;
        },
        set: /**
         * @param {?} portal
         * @return {?}
         */
        function (portal) {
            // Ignore the cases where the `portal` is set to a falsy value before the lifecycle hooks have
            // run. This handles the cases where the user might do something like `<div cdkPortalOutlet>`
            // and attach a portal programmatically in the parent component. When Angular does the first CD
            // round, it will fire the setter with empty string, causing the user's content to be cleared.
            if (this.hasAttached() && !portal && !this._isInitialized) {
                return;
            }
            if (this.hasAttached()) {
                _super.prototype.detach.call(this);
            }
            if (portal) {
                _super.prototype.attach.call(this, portal);
            }
            this._attachedPortal = portal;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(CdkPortalOutlet.prototype, "attachedRef", {
        /** Component or view reference that is attached to the portal. */
        get: /**
         * Component or view reference that is attached to the portal.
         * @return {?}
         */
        function () {
            return this._attachedRef;
        },
        enumerable: true,
        configurable: true
    });
    /**
     * @return {?}
     */
    CdkPortalOutlet.prototype.ngOnInit = /**
     * @return {?}
     */
    function () {
        this._isInitialized = true;
    };
    /**
     * @return {?}
     */
    CdkPortalOutlet.prototype.ngOnDestroy = /**
     * @return {?}
     */
    function () {
        _super.prototype.dispose.call(this);
        this._attachedPortal = null;
        this._attachedRef = null;
    };
    /**
     * Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.
     *
     * @param portal Portal to be attached to the portal outlet.
     * @returns Reference to the created component.
     */
    /**
     * Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.
     *
     * @template T
     * @param {?} portal Portal to be attached to the portal outlet.
     * @return {?} Reference to the created component.
     */
    CdkPortalOutlet.prototype.attachComponentPortal = /**
     * Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.
     *
     * @template T
     * @param {?} portal Portal to be attached to the portal outlet.
     * @return {?} Reference to the created component.
     */
    function (portal) {
        portal.setAttachedHost(this);
        /** @type {?} */
        var viewContainerRef = portal.viewContainerRef != null ?
            portal.viewContainerRef :
            this._viewContainerRef;
        /** @type {?} */
        var componentFactory = this._componentFactoryResolver.resolveComponentFactory(portal.component);
        /** @type {?} */
        var ref = viewContainerRef.createComponent(componentFactory, viewContainerRef.length, portal.injector || viewContainerRef.parentInjector);
        _super.prototype.setDisposeFn.call(this, function () { return ref.destroy(); });
        this._attachedPortal = portal;
        this._attachedRef = ref;
        this.attached.emit(ref);
        return ref;
    };
    /**
     * Attach the given TemplatePortal to this PortlHost as an embedded View.
     * @param portal Portal to be attached.
     * @returns Reference to the created embedded view.
     */
    /**
     * Attach the given TemplatePortal to this PortlHost as an embedded View.
     * @template C
     * @param {?} portal Portal to be attached.
     * @return {?} Reference to the created embedded view.
     */
    CdkPortalOutlet.prototype.attachTemplatePortal = /**
     * Attach the given TemplatePortal to this PortlHost as an embedded View.
     * @template C
     * @param {?} portal Portal to be attached.
     * @return {?} Reference to the created embedded view.
     */
    function (portal) {
        var _this = this;
        portal.setAttachedHost(this);
        /** @type {?} */
        var viewRef = this._viewContainerRef.createEmbeddedView(portal.templateRef, portal.context);
        _super.prototype.setDisposeFn.call(this, function () { return _this._viewContainerRef.clear(); });
        this._attachedPortal = portal;
        this._attachedRef = viewRef;
        this.attached.emit(viewRef);
        return viewRef;
    };
    CdkPortalOutlet.decorators = [
        { type: core.Directive, args: [{
                    selector: '[cdkPortalOutlet], [cdkPortalHost], [portalHost]',
                    exportAs: 'cdkPortalOutlet, cdkPortalHost',
                    inputs: ['portal: cdkPortalOutlet']
                },] },
    ];
    /** @nocollapse */
    CdkPortalOutlet.ctorParameters = function () { return [
        { type: core.ComponentFactoryResolver },
        { type: core.ViewContainerRef }
    ]; };
    CdkPortalOutlet.propDecorators = {
        attached: [{ type: core.Output }]
    };
    return CdkPortalOutlet;
}(BasePortalOutlet));
var PortalModule = /** @class */ (function () {
    function PortalModule() {
    }
    PortalModule.decorators = [
        { type: core.NgModule, args: [{
                    exports: [CdkPortal, CdkPortalOutlet],
                    declarations: [CdkPortal, CdkPortalOutlet],
                },] },
    ];
    return PortalModule;
}());

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

/**
 * Custom injector to be used when providing custom
 * injection tokens to components inside a portal.
 * \@docs-private
 */
var   /**
 * Custom injector to be used when providing custom
 * injection tokens to components inside a portal.
 * \@docs-private
 */
PortalInjector = /** @class */ (function () {
    function PortalInjector(_parentInjector, _customTokens) {
        this._parentInjector = _parentInjector;
        this._customTokens = _customTokens;
    }
    /**
     * @param {?} token
     * @param {?=} notFoundValue
     * @return {?}
     */
    PortalInjector.prototype.get = /**
     * @param {?} token
     * @param {?=} notFoundValue
     * @return {?}
     */
    function (token, notFoundValue) {
        /** @type {?} */
        var value = this._customTokens.get(token);
        if (typeof value !== 'undefined') {
            return value;
        }
        return this._parentInjector.get(token, notFoundValue);
    };
    return PortalInjector;
}());

exports.DomPortalHost = DomPortalOutlet;
exports.PortalHostDirective = CdkPortalOutlet;
exports.TemplatePortalDirective = CdkPortal;
exports.BasePortalHost = BasePortalOutlet;
exports.Portal = Portal;
exports.ComponentPortal = ComponentPortal;
exports.TemplatePortal = TemplatePortal;
exports.BasePortalOutlet = BasePortalOutlet;
exports.DomPortalOutlet = DomPortalOutlet;
exports.CdkPortal = CdkPortal;
exports.CdkPortalOutlet = CdkPortalOutlet;
exports.PortalModule = PortalModule;
exports.PortalInjector = PortalInjector;

Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=cdk-portal.umd.js.map
