@@ -187,6 +187,7 @@ export class WebpackCompilerHost implements ts.CompilerHost {
   }
 
   invalidate(fileName: string): void {
+    fileName = this._resolve(fileName);
     if (fileName in this._files) {
       this._files[fileName] = null;
       this._changedFiles[fileName] = true;
Original file line number	Diff line number	Diff line change
`@@ -187,6 +187,7 @@ export class WebpackCompilerHost implements ts.CompilerHost {`
`187`	`187`	`}`
`188`	`188`
`189`	`189`	`invalidate(fileName: string): void {`
	`190`	`+ fileName = this._resolve(fileName);`
`190`	`191`	`if (fileName in this._files) {`
`191`	`192`	`this._files[fileName] = null;`
`192`	`193`	`this._changedFiles[fileName] = true;`