@kephas/angular/esm2015/lib/services/configuration.js

Provides integration capabilities with Angular.

var Configuration_1;
import { __awaiter, __decorate } from "tslib";
import { SingletonAppServiceContract, AppService, Priority } from '@kephas/core';
// https://stackoverflow.com/questions/50222998/error-encountered-in-metadata-generated-for-exported-symbol-when-constructing-an
// @dynamic
/**
 * The configuration service.
 *
 * @export
 * @class Configuration
 * @implements {AsyncInitializable}
 */
let Configuration = Configuration_1 = class Configuration {
    /**
     * Ensures that the configuration file is initialized.
     *
     * @param {{ http: HttpClient, configurationFileUrl?: string }} context The context containing initialization data.
     * @returns {Promise<void>}
     * @memberof Configuration
     */
    initializeAsync(context) {
        return __awaiter(this, void 0, void 0, function* () {
            if (Configuration_1.configurationFile) {
                return;
            }
            const response = yield context.http.get(context.configurationFileUrl ? context.configurationFileUrl : Configuration_1.configurationFileUrl).toPromise();
            Configuration_1.configurationFile = response || {};
        });
    }
    /**
     * Gets the configuration settings for the indicated section name.
     *
     * @template T The settings type.
     * @param {string} sectionName The section name.
     * @returns {T} The settings.
     * @memberof Configuration
     */
    getSettings(settingsType) {
        if (!Configuration_1.configurationFile) {
            throw new Error('The configuration manager must be initialized prior to requesting settings from it.');
        }
        let sectionName = settingsType.name;
        const ending = 'Settings';
        if (sectionName.endsWith(ending)) {
            sectionName = sectionName.substr(0, sectionName.length - ending.length);
        }
        sectionName = sectionName[0].toLowerCase() + sectionName.substr(1, sectionName.length - 1);
        return Configuration_1.configurationFile[sectionName];
    }
};
Configuration.configurationFileUrl = '/app/configuration.json';
Configuration = Configuration_1 = __decorate([
    AppService({ overridePriority: Priority.Low }),
    SingletonAppServiceContract()
], Configuration);
export { Configuration };
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