ngx-context-store/esm2015/lib/ngx-context-store-get.directive.js

An alternative yet advanced mechanism for Angular components to share data.

import { Directive, Optional } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "./ngx-context-store-set.directive";
export class NgxContextStoreGetDirective {
    constructor(templateRef, viewContainer, parentContextHolder) {
        this.templateRef = templateRef;
        this.viewContainer = viewContainer;
        this.parentContextHolder = parentContextHolder;
    }
    ngOnInit() {
        var _a, _b, _c;
        const context = (_b = (_a = this.parentContextHolder) === null || _a === void 0 ? void 0 : _a.context$.value) !== null && _b !== void 0 ? _b : undefined;
        this._parentSubsciption = (_c = this.parentContextHolder) === null || _c === void 0 ? void 0 : _c.context$.subscribe(ctx => this.updateContext(ctx));
        if (this.templateRef && this.viewContainer) {
            this._view = this.viewContainer.createEmbeddedView(this.templateRef, context);
        }
    }
    ngOnDestroy() {
        if (this._view) {
            this.viewContainer.clear();
            this._view = undefined;
        }
        if (this._parentSubsciption) {
            this._parentSubsciption.unsubscribe();
        }
    }
    updateContext(context) {
        var _a;
        if (((_a = this._view) === null || _a === void 0 ? void 0 : _a.context) != null) {
            for (const key in context) {
                if (Object.prototype.hasOwnProperty.call(context, key)) {
                    this._view.context[key] = context[key];
                }
            }
        }
    }
}
NgxContextStoreGetDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.2.10", ngImport: i0, type: NgxContextStoreGetDirective, deps: [{ token: i0.TemplateRef }, { token: i0.ViewContainerRef }, { token: i1.NgxContextStoreSetDirective, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
NgxContextStoreGetDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "12.2.10", type: NgxContextStoreGetDirective, selector: "[getContext]", ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.2.10", ngImport: i0, type: NgxContextStoreGetDirective, decorators: [{
            type: Directive,
            args: [{
                    selector: '[getContext]',
                }]
        }], ctorParameters: function () { return [{ type: i0.TemplateRef }, { type: i0.ViewContainerRef }, { type: i1.NgxContextStoreSetDirective, decorators: [{
                    type: Optional
                }] }]; } });
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