Method updateCachedIndexFile

src/helpViewer/packages.ts:149–161

(path: string, items: IndexEntry[] | undefined)

    // Save a new file to the cache (or update existing entry)
    private async updateCachedIndexFile(path: string, items: IndexEntry[] | undefined): Promise<void>{
        const cache = this.state.get<CachedIndexFiles>('r.helpPanel.cachedIndexFiles', []);
        const ind = cache.findIndex(v => v.path === path);
        if(ind < 0){
            cache.push({
                path: path,
                items: items
            });
        } else{
            cache[ind].items = items;
        }
        await this.state.update('r.helpPanel.cachedIndexFiles', cache);
    }

    // Private functions used to sync favoriteNames with global state / workspace state
    // Is used frequently when list of favorites is shared globally to sync between sessions