@feature-hub/core/lib/esm/create-feature-hub.js

Create scalable web applications using micro frontends.

import { ExternalsValidator } from './externals-validator';
import { FeatureAppManager, } from './feature-app-manager';
import { FeatureServiceRegistry, } from './feature-service-registry';
/**
 * Creates the [[FeatureServiceRegistry]] singleton instance, registers all
 * [[FeatureHubOptions.featureServiceDefinitions]] for the given integrator
 * ID, and instantiates a [[FeatureAppManager]] singleton instance using
 * the [[FeatureServiceRegistry]].
 *
 * @param integratorId A self-selected but unique consumer ID that is used to
 * register or consume Feature Services.
 */
export function createFeatureHub(integratorId, options = {}) {
    const { featureServiceDefinitions, featureServiceDependencies, providedExternals, moduleLoader, logger, onBind, } = options;
    let externalsValidator;
    if (providedExternals) {
        externalsValidator = new ExternalsValidator(providedExternals);
    }
    const featureServiceRegistry = new FeatureServiceRegistry({
        externalsValidator,
        logger,
    });
    const integratorDefinition = {
        dependencies: { featureServices: featureServiceDependencies },
    };
    if (featureServiceDefinitions) {
        featureServiceRegistry.registerFeatureServices(featureServiceDefinitions, integratorId);
    }
    const featureAppManager = new FeatureAppManager(featureServiceRegistry, {
        externalsValidator,
        moduleLoader,
        logger,
        onBind,
    });
    const { featureServices } = featureServiceRegistry.bindFeatureServices(integratorDefinition, integratorId);
    return { featureAppManager, featureServiceRegistry, featureServices };
}
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