@gluonjs/core


@gluonjs/core / src / AppWarningInfo

Interface: AppWarningInfo

Properties

app

readonly app: GluonApp


code?

readonly optional code?: string


element?

readonly optional element?: Element


message

readonly message: string

Example

Receive a structured application warning with its optional diagnostic code and originating element:

ts
import {
  createApp,
  createInjectionKey,
  dynamicComponent,
  html,
  inject,
  refreshGluonApplications,
  runWithErrorHandling,
  unmount,
  warn,
  type AppConfig,
  type AppContainer,
  type AppErrorHandler,
  type AppErrorInfo,
  type AppErrorSource,
  type AppMount,
  type AppPluginCleanup,
  type AppRoot,
  type AppRootRenderContext,
  type AppWarningHandler,
  type AppWarningInfo,
  type FunctionalComponent,
  type GluonApp,
  type GluonAppPlugin,
  type GluonPlugin,
  type GluonPluginFunction,
  type InjectionKey,
} from '@gluonjs/core';

type PublicApi = { refresh(): void };
const localeKey: InjectionKey<string> = createInjectionKey<string>('locale');
const ShopView: FunctionalComponent<{ locale: string }> = ({ locale }) => html`<main lang=${locale}>Shop</main>`;
const root: AppRoot<PublicApi> = (context: AppRootRenderContext<PublicApi>) => {
  const locale = inject(localeKey, context.inject(localeKey, 'en'));
  context.expose({ refresh: () => console.log('refresh') });
  return html`${dynamicComponent('ShopView', { locale })}`;
};
const errorHandler: AppErrorHandler = (info: AppErrorInfo) => console.error(info.source, info.error);
const warningHandler: AppWarningHandler = (info: AppWarningInfo) => console.warn(info.code, info.message);
const source: AppErrorSource = 'application';
const cleanup: AppPluginCleanup = () => console.log('logger disposed');
const logger: GluonPluginFunction<{ prefix: string }> = (app, options) => {
  app.config.errorHandler = (info) => console.error(options.prefix, info.source, info.error);
  app.config.warnHandler = warningHandler;
  return cleanup;
};
const plugin: GluonPlugin = { install: (app) => { app.config.globalProperties.source = source; } };
const typedPlugin: GluonAppPlugin<{ prefix: string }> = logger;

const app: GluonApp<PublicApi> = createApp(root)
  .provide(localeKey, 'de')
  .component('ShopView', ShopView)
  .use(plugin)
  .use(typedPlugin, { prefix: '[shop]' });
const config: AppConfig = app.config;
config.errorHandler = errorHandler;
const container: AppContainer = document.querySelector('#app')!;
const mount: AppMount<PublicApi> = app.mount(container);
mount.exposed?.refresh();
app.run(() => runWithErrorHandling(() => warn('Inventory is stale', 'SHOP_STALE')));
refreshGluonApplications();
mount.unmount();
unmount(container);