import { Injectable, InjectionToken, type Signal, signal } from '@angular/core';
import configuration from '@intlayer/config/built';
import type { LocalesValues } from '@intlayer/types';
export const INTLAYER_TOKEN = new InjectionToken<IntlayerProvider>('intlayer');
/**
* Singleton instance
*/
let instance: IntlayerProvider | null = null;
@Injectable({
providedIn: 'root',
})
export class IntlayerProvider {
isCookieEnabled = signal(true);
private _locale = signal<LocalesValues>(
configuration.internationalization?.defaultLocale as LocalesValues
);
readonly locale: Signal<LocalesValues> = this._locale.asReadonly();
setLocale = (locale: LocalesValues) => {
this._locale.set(locale);
};
}
/**
* Create and return a single IntlayerProvider instance
*/
export const createIntlayerClient = (
locale?: LocalesValues,
isCookieEnabled = true
): IntlayerProvider => {
if (instance) return instance;
instance = new IntlayerProvider();
if (locale) {
instance.setLocale(locale);
}
instance.isCookieEnabled.set(isCookieEnabled);
return instance;
};
/**
* Provides Intlayer to your Angular application.
*
* This function should be used in your application's provider list (e.g., in `app.config.ts`)
* to initialize the Intlayer service.
*
* @param locale - Initial locale to use.
* @param isCookieEnabled - Whether to store the locale in cookies.
* @returns A provider configuration for Intlayer.
*
* @example
* ```ts
* // app.config.ts
* import { ApplicationConfig } from '@angular/core';
* import { provideIntlayer } from 'angular-intlayer';
*
* export const appConfig: ApplicationConfig = {
* providers: [
* provideIntlayer({ locale: 'en' }),
* ],
* };
* ```
*/
export const provideIntlayer = (
locale?: LocalesValues,
isCookieEnabled = true
) => ({
provide: INTLAYER_TOKEN,
useValue: installIntlayer(locale, isCookieEnabled),
});
/**
* Helper to install the Intlayer provider.
*/
export const installIntlayer = (
locale?: LocalesValues,
isCookieEnabled = true
) => {
const client = createIntlayerClient(locale, isCookieEnabled);
// Note: Angular editor installation will be handled differently
// installIntlayerEditor();
return client;
};
