piral-ng/lib/standalone.js

Plugin for integrating Angular components in Piral.

import { APP_BASE_HREF } from '@angular/common';
import { createApplication } from '@angular/platform-browser';
import { ɵresetCompiledComponents as reset, } from '@angular/core';
import { CoreRoutingService } from './CoreRoutingService';
import { contextName, piralName } from './constants';
import { CONTEXT, PIRAL } from './injection';
function isLazyLoader(thing) {
    return typeof thing === 'function' && thing.hasOwnProperty('prototype') && thing.hasOwnProperty('arguments');
}
export * from './injection';
export function createConverter(options) {
    const update = (ref, props) => {
        if (ref) {
            const ct = ref.componentType;
            if (ct?.ɵcmp?.inputs?.Props) {
                ref.setInput('Props', props);
            }
        }
    };
    let app = undefined;
    return (component) => ({
        type: 'html',
        component: {
            mount(element, props, ctx, locals) {
                if (!app) {
                    const { piral } = props;
                    app = createApplication({
                        ...options,
                        providers: [
                            ...options.providers,
                            CoreRoutingService,
                            { provide: APP_BASE_HREF, useValue: ctx.publicPath },
                            { provide: contextName, useValue: ctx },
                            { provide: CONTEXT, useValue: ctx },
                            { provide: piralName, useValue: piral },
                            { provide: PIRAL, useValue: piral },
                        ],
                    });
                    piral.on('unload-pilet', (ev) => {
                        if (ev.name === piral.meta.name && typeof reset === 'function') {
                            // pretty much a cleanup step for Angular.
                            reset();
                        }
                    });
                }
                locals.active = true;
                app
                    .then((appRef) => {
                    if (isLazyLoader(component)) {
                        const lazyComponent = component();
                        return lazyComponent.then((componentExports) => [appRef, componentExports.default]);
                    }
                    return [appRef, component];
                })
                    .then(([appRef, component]) => {
                    if (locals.active) {
                        const ref = appRef.bootstrap(component, element);
                        // Start the routing service.
                        appRef.injector.get(CoreRoutingService);
                        update(ref, props);
                        locals.component = ref;
                    }
                });
            },
            update(_1, props, _2, locals) {
                update(locals.component, props);
            },
            unmount(element, locals) {
                locals.active = false;
                locals.component?.destroy();
                locals.component = undefined;
                element.remove();
            },
        },
    });
}
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