subscribeOnLanguageChange(callback: () => void): TUnsubscribeCallback¶
The subscribeOnLanguageChange method allows to subscribe to language change events and fire a callback function whenever such event occurs.
Input parameters¶
callback¶
callback is a mandatory parameter of arrow function type which represents a callback that will be fired whenever a language change event occurs.
Returned value¶
A returned value has a type of TUnsubscribeCallback which represents a function that should be called to unsubscribe from the event.
Example¶
In this example we make a TranslationsApi call to listen to the language change event.
useStorefront(async (storefront) => {
const translationsApi = await storefront.getApi('TranslationsApi');
const myCallback = () => {
alert('Language changed!');
}
const unsubscribeFromLanguageChange = translationsApi.subscribeOnLanguageChange(myCallback);
// at the end
unsubscribeFromLanguageChange();
});