17             isFile: function (file, cb) {  argument
18                 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
20             isDirectory: function (dir, cb) {  argument
21                 cb(null, !!dirs[path.resolve(dir)]);
23             readFile: function (file, cb) {  argument
24                 cb(null, files[path.resolve(file)]);
26             realpath: function (file, cb) {  argument
27                 cb(null, file);
67             isFile: function (file, cb) {  argument
68                 cb(null, Object.prototype.hasOwnProperty.call(files, file));
70             isDirectory: function (dir, cb) {  argument
71                 cb(null, !!dirs[path.resolve(dir)]);
74             readFile: function (file, cb) {  argument
75                 cb(null, files[file]);
77             realpath: function (file, cb) {  argument
78                 cb(null, file);
122             isFile: function (file, cb) {  argument
123                 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
125             isDirectory: function (dir, cb) {  argument
126                 cb(null, !!dirs[path.resolve(dir)]);
128             readFile: function (file, cb) {  argument
129                 cb(null, files[path.resolve(file)]);
131             realpath: function (file, cb) {  argument
132                 cb(null, file);
160             isFile: function (file, cb) {  argument
161                 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
163             isDirectory: function (dir, cb) {  argument
164                 cb(null, !!dirs[path.resolve(dir)]);
167             readFile: function (file, cb) {  argument
168                 cb(null, files[path.resolve(file)]);
170             realpath: function (file, cb) {  argument
171                 cb(null, file);
198             isFile: function (file, cb) {  argument
199                 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
201             isDirectory: function (dir, cb) {  argument
202                 cb(null, !!dirs[path.resolve(dir)]);
204             readFile: function (file, cb) {  argument
205                 cb(null, files[path.resolve(file)]);
207             realpath: function (file, cb) {  argument
211                     cb(null, resolved);
220                     cb(null, path.join(dir, 'symlinked', base));
222                     cb(null, path.join(resolved, 'symlinked'));
258             isFile: function (file, cb) {  argument
259                 cb(null, Object.prototype.hasOwnProperty.call(files, path.resolve(file)));
261             isDirectory: function (dir, cb) {  argument
262                 cb(null, !!dirs[path.resolve(dir)]);
265             readFile: function (file, cb) {  argument
266                 cb(null, files[path.resolve(file)]);
268             realpath: function (file, cb) {  argument
269                 cb(null, file);
284     var readPackage = function (readFile, file, cb) {  argument
287             cb(null, { main: './something-else.js' });
289             cb(null, JSON.parse(files[path.resolve(file)]));