Small refactoring.

lib/index.js

@@ -119,10 +119,11 @@ FSWatcher.prototype._emit = function(event, target, val1, val2, val3) {
 };
 
 FSWatcher.prototype._handleError = function(error) {
+  var code = error && error.code;
   if (error &&
-    error.code !== 'ENOENT' &&
-    error.code !== 'ENOTDIR' &&
-    !(error.code === 'EPERM' && !this.options.ignorePermissionErrors)
+    code !== 'ENOENT' &&
+    code !== 'ENOTDIR' &&
+    !(code === 'EPERM' && !this.options.ignorePermissionErrors)
   ) this.emit('error', error);
   return error || this.closed;
 };

lib/is-binary.js

@@ -3,7 +3,7 @@
 var sysPath = require('path');
 
 // Binary file handling code.
-var _binExts = [
+var extensions = [
   'adp', 'au', 'mid', 'mp4a', 'mpga', 'oga', 's3m', 'sil', 'eol', 'dra', 'dts',
   'dtshd', 'lvp', 'pya', 'ecelp4800', 'ecelp7470', 'ecelp9600', 'rip', 'weba',
   'aac', 'aif', 'caf', 'flac', 'mka', 'm3u', 'wax', 'wma', 'wav', 'xm', 'flac',
@@ -18,13 +18,13 @@ var _binExts = [
   'tar', 'bz2', 'eot', 'ttf', 'woff'
 ];
 
-var binExts = Object.create(null);
-_binExts.forEach(function(ext) { binExts[ext] = true; });
+var exts = Object.create(null);
+extensions.forEach(function(ext) { exts[ext] = true; });
 
 function isBinaryPath(path) {
   var extension = sysPath.extname(path).slice(1);
   if (extension === '') return false;
-  return !!binExts[extension];
+  return !!exts[extension];
 }
 
 module.exports = isBinaryPath;

lib/nodefs-handler.js

@@ -260,27 +260,28 @@ function(dir, stats, initialAdd, depth, target, globFilter, callback) {
       var item = entry.path;
       current.push(item);
       var path = sysPath.join(directory, item);
+      var full = entry.fullPath;
 
       if (entry.stat.isSymbolicLink()) {
         if (!_this.options.followSymlinks) {
           _this._readyCount++;
           fs.realpath(path, function(error, linkPath) {
             if (previous.has(item)) {
-              if (_this._symlinkPaths[entry.fullPath] !== linkPath) {
-                _this._symlinkPaths[entry.fullPath] = linkPath;
+              if (_this._symlinkPaths[full] !== linkPath) {
+                _this._symlinkPaths[full] = linkPath;
                 _this._emit('change', path, entry.stat);
               }
             } else {
               previous.add(item);
-              _this._symlinkPaths[entry.fullPath] = linkPath;
+              _this._symlinkPaths[full] = linkPath;
               _this._emit('add', path, entry.stat);
             }
             _this._emitReady();
           });
           return;
         }
-        if (_this._symlinkPaths[entry.fullPath]) return;
-        else _this._symlinkPaths[entry.fullPath] = true;
+        if (_this._symlinkPaths[full]) return;
+        else _this._symlinkPaths[full] = true;
       }
 
       // Files that present in current directory snapshot