Merge pull request #8 from rollup/fix-source-maps

Enable source maps per default, parse source map string

Author: Victorystick

README.md

@@ -22,9 +22,7 @@ export default {
   entry: 'main.ts',
 
   plugins: [
-    typescript({
-      sourceMap: true
-    })
+    typescript()
   ]
 }
 ```
@@ -46,7 +44,6 @@ export default {
   plugins: [
     typescript({
       target: ts.ScriptTarget.ES6
-      sourceMap: true
     })
   ]
 }

index.js

@@ -23,14 +23,16 @@ module.exports = function ( options ) {
 			var transformed = typescript.transpileModule( code, {
 				compilerOptions: assign( {
 					target: typescript.ScriptTarget.ES5,
-					module: typescript.ModuleKind.ES6
+					module: typescript.ModuleKind.ES6,
+					sourceMap: true
 				}, options )
 			});
 
 
 			return {
 				code: transformed.outputText,
-				map: transformed.sourceMapText
+				// Rollup expects `map` to be an object so we must parse the string
+				map: JSON.parse(transformed.sourceMapText)
 			};
 		}
 	};