raptor/lib/raptor/file-watcher/file-watcher_node.js

RaptorJS provides an AMD module loader that works in Node, Rhino and the web browser. It also includes various sub-modules to support building optimized web applications.

define.extend(
    'raptor/file-watcher',
    function(require) {
        "use strict";
        
        var fs = require('fs');
        
        return {
            watch: function(file, callback, thisObj, options) {
                var watcher,
                    nodeCallback = function(eventName, filename) {
                        callback.call(thisObj, {
                            event: eventName,
                            filename: file,
                            watcher: watcher,
                            closeWatcher: function() {
                                watcher.close();
                            }
                        });
                    };
                
                watcher = fs.watch(file, nodeCallback, options);
                return watcher;
            }
        };
    });