class indexDB { static async loadAsync() { if (window.indexDB) { return window.indexDB } var db = new indexDB const maxAge= (DebugMode.Enabled,0,600) var site_url = "/"+window.location.pathname.split('/')[1]; const text = await getTextFromFileUrlAsync(site_url+"/data/index.yaml",{"Cache-Control":`max-age=${maxAge}`}) const myYaml = jsyaml.load(text); db.sets = ((myYaml.sets === undefined) ? new Map() : new Map(Object.entries(myYaml.sets))); db.others = ((myYaml.others === undefined) ? [] : Array.from(myYaml.others)); db.reviews = ((myYaml.reviews === undefined) ? [] : Array.from(myYaml.reviews)); window.indexDB=db return db } }