fix(*): fix windows path logic, fixes #9

src/host.ts

@@ -177,12 +177,13 @@ export class State {
             });
         }
 
-        var source = this.program.getSourceFile(fileName);
+        var normalizedFileName = this.normalizePath(fileName);
+        var source = this.program.getSourceFile(normalizedFileName);
         if (!source) {
             this.updateProgram();
-            source = this.program.getSourceFile(fileName);
+            source = this.program.getSourceFile(normalizedFileName);
             if (!source) {
-                throw new Error(`File ${fileName} was not found in program`);
+                throw new Error(`File ${normalizedFileName} was not found in program`);
             }
         }
 
@@ -213,7 +214,7 @@ export class State {
 
         this.dependencies.clearDependencies(fileName);
 
-        var flow = (!!this.files[fileName]) ?
+        var flow = this.hasFile(fileName) ?
             Promise.resolve(false) :
             this.readFileAndUpdate(fileName);
 
@@ -314,6 +315,10 @@ export class State {
         }
     }
 
+    hasFile(fileName: string): boolean {
+        return this.files.hasOwnProperty(fileName);
+    }
+
     readFile(fileName: string): Promise<string> {
         var readFile = Promise.promisify(this.fs.readFile.bind(this.fs));
         return readFile(fileName).then(function (buf) {
@@ -339,6 +344,10 @@ export class State {
         return this.updateFile(fileName, text, checked);
     }
 
+    normalizePath(path: string): string {
+        return (<any>this.ts).normalizePath(path)
+    }
+
     resolve(resolver: Resolver, fileName: string, defPath: string): Promise<string> {
         var result;
 

src/index.ts

@@ -94,6 +94,8 @@ function compiler(webpack: WebPack, text: string): void {
 
     var instance = ensureInstance(webpack, options, instanceName);
 
+    var state = instance.tsState;
+
     var callback = webpack.async();
     var fileName = webpack.resourcePath;
     var resolver = <host.Resolver>Promise.promisify(webpack.resolve);
@@ -103,7 +105,6 @@ function compiler(webpack: WebPack, text: string): void {
         clear: webpack.clearDependencies.bind(webpack)
     };
 
-    var state = instance.tsState;
 
     // Here we receive information about what files were changed.
     // The way is hacky, maybe we can find something better.