added checks

ts/index.ts

@@ -1,5 +1,6 @@
 /// <reference path="./typings/main.d.ts" />
 /// <reference path="./smartfile.plugins.ts" />
+/// <reference path="./smartfile.check.ts" />
 /// <reference path="./smartfile.simple.ts" />
 /// <reference path="./smartfile.vinyl.ts" />
 /// <reference path="./smartfile.require.ts" />
@@ -7,6 +8,7 @@ var plugins = SmartfilePlugins.init();
 
 
 var smartfile:any = {};
+SmartfileCheck.init(smartfile);
 SmartfileSimple.init(smartfile);
 SmartfileVinyl.init(smartfile);
 SmartfileRequire.init(smartfile);

ts/smartfile.check.ts

@@ -0,0 +1,26 @@
+/// <reference path="./index.ts" />
+module SmartfileCheck {
+    var checks = {
+        fileExistsSync: function(filePath):boolean {
+            var fileExistsBool:boolean = false;
+            try {
+                plugins.fs.readFileSync(filePath)
+                fileExistsBool = true
+            }
+            catch(err){
+                fileExistsBool = false;
+            }
+            return fileExistsBool;
+        },
+        fileExists: function(filePath){
+            var done = plugins.q.defer();
+            plugins.fs.access(filePath, plugins.fs.R_OK, function (err) {
+                err ? done.reject() : done.resolve();
+            });
+            return done.promise;
+        }
+    };
+    export var init = function(objectArg){
+        objectArg.checks = checks;
+    }
+}

ts/smartfile.plugins.ts

@@ -5,6 +5,7 @@ module SmartfilePlugins {
             beautylog: require("beautylog"),
             fs: require("fs-extra"),
             path: require("path"),
+            q: require("q"),
             vinyl: require("vinyl"),
             vinylFile: require("vinyl-file"),
             yaml: require("js-yaml"),

ts/test.ts

@@ -33,4 +33,19 @@ describe("smartfile",function(){
 
         });
     });
+    describe(".checks".yellow,function(){
+        describe(".fileExistsSync".yellow,function(){
+            it("should return an accurate boolean",function(){
+                (smartfile.checks.fileExistsSync("./test/mytest.json")).should.be.true();
+                (smartfile.checks.fileExistsSync("./test/notthere.json")).should.be.false();
+            });
+        });
+        describe(".fileExists".yellow,function(){
+            it("should return a working promise",function(){
+                (smartfile.checks.fileExists("./test/mytest.json")).should.be.Promise();
+                (smartfile.checks.fileExists("./test/mytest.json")).should.be.fulfilled();
+                (smartfile.checks.fileExists("./test/notthere.json")).should.not.be.fulfilled();
+            });
+        })
+    });
 });

ts/typings.json

@@ -1,6 +1,7 @@
 {
   "ambientDependencies": {
     "browserify": "github:DefinitelyTyped/DefinitelyTyped/browserify/browserify.d.ts",
+    "colors": "github:DefinitelyTyped/DefinitelyTyped/colors/colors.d.ts",
     "mocha": "github:Bartvds/tsd-deftools/typings/DefinitelyTyped/mocha/mocha.d.ts",
     "node": "github:DefinitelyTyped/DefinitelyTyped/node/node.d.ts"
   }