376         const filename = db.filename;
381         if(alsoUnlink && filename && pVfs){
382           sqlite3.wasm.sqlite3_wasm_vfs_unlink(pVfs, filename);
426   const guessVfs = function(filename){  argument
427     const m = /^file:.+(vfs=(\w+))/.exec(filename);
455       if(isSpecialDbFilename(args.filename)){
456         oargs.filename = args.filename || "";
458         oargs.filename = args.filename;
460         if(byteArray) pVfs = guessVfs(args.filename);
470             pVfs, oargs.filename, pMem, byteArray.byteLength
475             e.name+' creating '+args.filename+": "+e.message, {
484       rc.filename = db.filename;
485       rc.persistent = (!!pDir && db.filename.startsWith(pDir+'/'))
495         filename: db && db.filename  property
586         filename: db.filename,  property