39 var defaultRealpathSync = function realpathSync(x) {  argument
41         return realpathFS(x);
47     return x;
50 var maybeRealpathSync = function maybeRealpathSync(realpathSync, x, opts) {  argument
52         return realpathSync(x);
54     return x;
65 var getPackageCandidates = function getPackageCandidates(x, start, opts) {  argument
66     var dirs = nodeModulesPaths(start, opts, x);
68         dirs[i] = path.join(dirs[i], x);
73 module.exports = function resolveSync(x, options) {  argument
74     if (typeof x !== 'string') {
77     var opts = normalizeOptions(x, options);
99     if ((/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/).test(x)) {
100         var res = path.resolve(absoluteStart, x);
101         if (x === '.' || x === '..' || x.slice(-1) === '/') res += '/';
104     } else if (includeCoreModules && isCore(x)) {
105         return x;
107         var n = loadNodeModulesSync(x, absoluteStart);
111     var err = new Error("Cannot find module '" + x + "' from '" + parent + "'");
115     function loadAsFileSync(x) {  argument
116         var pkg = loadpkg(path.dirname(x));
119             var rfile = path.relative(pkg.dir, x);
120             var r = opts.pathFilter(pkg.pkg, x, rfile);
122                 x = path.resolve(pkg.dir, r); // eslint-disable-line no-param-reassign
126         if (isFile(x)) {
127             return x;
131             var file = x + extensions[i];
161     function loadAsDirectorySync(x) {  argument
162         var pkgfile = path.join(maybeRealpathSync(realpathSync, x, opts), '/package.json');
170                 pkg = opts.packageFilter(pkg, /*pkgfile,*/ x); // eslint-disable-line spaced-comment
183                     var m = loadAsFileSync(path.resolve(x, pkg.main));
185                     var n = loadAsDirectorySync(path.resolve(x, pkg.main));
191         return loadAsFileSync(path.join(x, '/index'));
194     function loadNodeModulesSync(x, start) {  argument
195         var thunk = function () { return getPackageCandidates(x, start, opts); };
196         var dirs = packageIterator ? packageIterator(x, start, thunk, opts) : thunk();