128 const getResolvedPath = function(filename,splitIt){  argument
130     filename, 'file://irrelevant'
143   const filename = path.pop();
150   return [dh, filename];
354   xAccess: async (filename)=>{  argument
370       const [dh, fn] = await getDirForFilename(filename);
409   xDeleteNoWait: async function(filename, syncDir = 0, recursive = false){  argument
425       while(filename){
426         const [hDir, filenamePart] = await getDirForFilename(filename, false);
431         filename = getResolvedPath(filename, true);
432         filename.pop();
433         filename = filename.join('/');
482   xOpen: async function(fid/*sqlite3_file pointer*/, filename,  argument
492         [hDir, filenamePart] = await getDirForFilename(filename, !!create);
510         filenameAbs: filename,