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

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

import { Directive, forwardRef, Inject, Input, Optional, SkipSelf } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
export class NgxContextStoreSetDirective {
    constructor(templateRef, viewContainer, parentContextHolder) {
        var _a;
        this.templateRef = templateRef;
        this.viewContainer = viewContainer;
        this.parentContextHolder = parentContextHolder;
        this.context$ = new BehaviorSubject({});
        this._parentSubsciption = (_a = this.parentContextHolder) === null || _a === void 0 ? void 0 : _a.context$.subscribe(ctx => this.updateContext());
    }
    ngOnInit() {
        // structural and attribute directive compatibility
        if (this.templateRef && this.viewContainer) {
            this._view = this.viewContainer.createEmbeddedView(this.templateRef);
        }
    }
    ngOnChanges(changes) {
        var _a, _b, _c, _d, _e;
        if ((changes === null || changes === void 0 ? void 0 : changes.setContext) || (changes === null || changes === void 0 ? void 0 : changes.setContextUnder)) {
            const setContextUnder = (_c = (_b = (_a = changes === null || changes === void 0 ? void 0 : changes.setContextUnder) === null || _a === void 0 ? void 0 : _a.currentValue) !== null && _b !== void 0 ? _b : this.setContextUnder) !== null && _c !== void 0 ? _c : '$implicit';
            const setContextValue = (_e = (_d = changes === null || changes === void 0 ? void 0 : changes.setContext) === null || _d === void 0 ? void 0 : _d.currentValue) !== null && _e !== void 0 ? _e : this.setContext;
            this._localContext = Object.assign(Object.assign({}, this._localContext), { [setContextUnder]: setContextValue });
        }
        else if (changes === null || changes === void 0 ? void 0 : changes.setContextO) {
            this._localContext = Object.assign({}, changes === null || changes === void 0 ? void 0 : changes.setContextO.currentValue);
        }
        this.updateContext();
    }
    ngOnDestroy() {
        if (this._view) {
            this.viewContainer.clear();
            this._view = undefined;
        }
        if (this._parentSubsciption) {
            this._parentSubsciption.unsubscribe();
        }
        this.context$.complete();
    }
    updateContext() {
        var _a, _b;
        const parentContext = (_b = (_a = this.parentContextHolder) === null || _a === void 0 ? void 0 : _a.context$.value) !== null && _b !== void 0 ? _b : undefined;
        this.context$.next(Object.assign(Object.assign({}, parentContext), this._localContext));
    }
}
NgxContextStoreSetDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.2.10", ngImport: i0, type: NgxContextStoreSetDirective, deps: [{ token: i0.TemplateRef, optional: true }, { token: i0.ViewContainerRef, optional: true }, { token: forwardRef(() => NgxContextStoreSetDirective), optional: true, skipSelf: true }], target: i0.ɵɵFactoryTarget.Directive });
NgxContextStoreSetDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "12.2.10", type: NgxContextStoreSetDirective, selector: "[setContext], [setContextO]", inputs: { setContext: "setContext", setContextUnder: "setContextUnder", setContextO: "setContextO" }, usesOnChanges: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.2.10", ngImport: i0, type: NgxContextStoreSetDirective, decorators: [{
            type: Directive,
            args: [{
                    selector: '[setContext], [setContextO]',
                }]
        }], ctorParameters: function () { return [{ type: i0.TemplateRef, decorators: [{
                    type: Optional
                }] }, { type: i0.ViewContainerRef, decorators: [{
                    type: Optional
                }] }, { type: NgxContextStoreSetDirective, decorators: [{
                    type: Optional
                }, {
                    type: SkipSelf
                }, {
                    type: Inject,
                    args: [forwardRef(() => NgxContextStoreSetDirective)]
                }] }]; }, propDecorators: { setContext: [{
                type: Input
            }], setContextUnder: [{
                type: Input
            }], setContextO: [{
                type: Input
            }] } });
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