piral-ng/lib/converter.js

Plugin for integrating Angular components in Piral.

import { BehaviorSubject } from 'rxjs';
import { enqueue } from './queue';
import { defineModule } from './module';
import { bootstrap, prepareBootstrap } from './bootstrap';
import { NgExtension } from '../common';
export function createConverter(_ = {}) {
    const registry = new Map();
    const convert = (component) => ({
        mount(el, props, ctx, locals) {
            locals.active = true;
            if (!locals.props) {
                locals.props = new BehaviorSubject(props);
            }
            if (!locals.queued) {
                locals.queued = Promise.resolve();
            }
            locals.queued = locals.queued.then(() => enqueue(async () => {
                if (!registry.has(component)) {
                    registry.set(component, await prepareBootstrap(component, props.piral));
                }
                if (locals.active) {
                    return await bootstrap(registry.get(component), el, locals.props, ctx);
                }
            }));
        },
        update(el, props, ctx, locals) {
            locals.props.next(props);
        },
        unmount(el, locals) {
            locals.active = false;
            locals.queued = locals.queued.then((dispose) => dispose && enqueue(dispose));
        },
    });
    convert.defineModule = defineModule;
    convert.Extension = NgExtension;
    return convert;
}
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