source: trip-planner-front/node_modules/@angular/router/esm2015/src/router_outlet_context.js@ 59329aa

/**
 * @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
 */
/**
 * Store contextual information about a `RouterOutlet`
 *
 * @publicApi
 */
export class OutletContext {
    constructor() {
        this.outlet = null;
        this.route = null;
        this.resolver = null;
        this.children = new ChildrenOutletContexts();
        this.attachRef = null;
    }
}
/**
 * Store contextual information about the children (= nested) `RouterOutlet`
 *
 * @publicApi
 */
export class ChildrenOutletContexts {
    constructor() {
        // contexts for child outlets, by name.
        this.contexts = new Map();
    }
    /** Called when a `RouterOutlet` directive is instantiated */
    onChildOutletCreated(childName, outlet) {
        const context = this.getOrCreateContext(childName);
        context.outlet = outlet;
        this.contexts.set(childName, context);
    }
    /**
     * Called when a `RouterOutlet` directive is destroyed.
     * We need to keep the context as the outlet could be destroyed inside a NgIf and might be
     * re-created later.
     */
    onChildOutletDestroyed(childName) {
        const context = this.getContext(childName);
        if (context) {
            context.outlet = null;
            context.attachRef = null;
        }
    }
    /**
     * Called when the corresponding route is deactivated during navigation.
     * Because the component get destroyed, all children outlet are destroyed.
     */
    onOutletDeactivated() {
        const contexts = this.contexts;
        this.contexts = new Map();
        return contexts;
    }
    onOutletReAttached(contexts) {
        this.contexts = contexts;
    }
    getOrCreateContext(childName) {
        let context = this.getContext(childName);
        if (!context) {
            context = new OutletContext();
            this.contexts.set(childName, context);
        }
        return context;
    }
    getContext(childName) {
        return this.contexts.get(childName) || null;
    }
}
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QoKTtcbiAgICAgIHRoaXMuY29udGV4dHMuc2V0KGNoaWxkTmFtZSwgY29udGV4dCk7XG4gICAgfVxuXG4gICAgcmV0dXJuIGNvbnRleHQ7XG4gIH1cblxuICBnZXRDb250ZXh0KGNoaWxkTmFtZTogc3RyaW5nKTogT3V0bGV0Q29udGV4dHxudWxsIHtcbiAgICByZXR1cm4gdGhpcy5jb250ZXh0cy5nZXQoY2hpbGROYW1lKSB8fCBudWxsO1xuICB9XG59XG4iXX0=