Function updateTitle

dash/dash-renderer/src/observers/documentTitle.ts:4–25

(getState: () => IStoreState)

import {IStoreState} from '../store';

const updateTitle = (getState: () => IStoreState) => {
    const {config, isLoading} = getState();

    const update_title = config?.update_title;

    if (!update_title) {
        return;
    }

    if (isLoading) {
        if (document.title !== update_title) {
            observer.title = document.title;
            document.title = update_title;
        }
    } else {
        if (document.title === update_title) {
            document.title = observer.title;
        } else {
            observer.title = document.title;
        }
    }
};

const observer: IStoreObserverDefinition<IStoreState> = {
    inputs: ['isLoading'],