Made loadAsFileSync() work the same as async loadAsFile().

Author: lbogdan

lib/sync.js

@@ -44,6 +44,16 @@ module.exports = function (x, options) {
     throw err;
 
     function loadAsFileSync(x) {
+        var pkg = loadpkg(path.dirname(x));
+
+        if (pkg && pkg.dir && pkg.pkg && opts.pathFilter) {
+            var rfile = path.relative(pkg.dir, x);
+            var r = opts.pathFilter(pkg.pkg, x, rfile);
+            if (r) {
+                x = path.resolve(pkg.dir, r);
+            }
+        }
+
         if (isFile(x)) {
             return x;
         }
@@ -56,6 +66,30 @@ module.exports = function (x, options) {
         }
     }
 
+    function loadpkg(dir) {
+        if (dir === '' || dir === '/' || (/[/\\]node_modules[/\\]*$/).test(dir)) {
+            return null;
+        }
+
+        var pkgfile = path.join(dir, 'package.json');
+
+        if (!isFile(pkgfile)) {
+            return loadpkg(path.dirname(dir));
+        }
+
+        var body = readFileSync(pkgfile);
+
+        try {
+            var pkg = JSON.parse(body);
+        } catch (jsonErr) {}
+
+        if (pkg && opts.packageFilter) {
+            pkg = opts.packageFilter(pkg, pkgfile);
+        }
+
+        return { pkg: pkg, dir: dir };
+    }
+
     function loadAsDirectorySync(x) {
         var pkgfile = path.join(x, '/package.json');
         if (isFile(pkgfile)) {