Fix configFile: undefined in ts-loader options when not using a cus…

…tom .storybook/tsconfig.json Fixes #13381
storybookjs · Dec 5, 2020 · dfde1a0 · dfde1a0
1 parent dbee613
commit dfde1a0
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/app/angular/src/server/ts_config.ts b/app/angular/src/server/ts_config.ts
@@ -11,12 +11,16 @@ function resolveTsConfig(tsConfigPath: string): string | undefined {
 }
 
 export default function (configDir: string) {
-  const configFilePath = resolveTsConfig(path.resolve(configDir, 'tsconfig.json'));
-  return {
+  const tsLoaderOptions = {
     transpileOnly: true,
     compilerOptions: {
       emitDecoratorMetadata: true,
     },
-    configFile: configFilePath || undefined,
   };
+
+  const configFilePath = resolveTsConfig(path.resolve(configDir, 'tsconfig.json'));
+  if (configFilePath)
+    tsLoaderOptions.configFile = configFilePath;
+
+  return configFilePath;
 }