add empty default for source maps, closes ionic-team#361

KiaraGrouwstra · KiaraGrouwstra · commit 07df35840eac · 2016-12-05T13:30:51.000+08:00
diff --git a/src/transpile.ts b/src/transpile.ts
@@ -105,7 +105,7 @@ export function transpileWorker(context: BuildContext, workerConfig: TranspileWo
     const program = ts.createProgram(tsFileNames, tsConfig.options, host, cachedProgram);
     program.emit(undefined, (path: string, data: string, writeByteOrderMark: boolean, onError: Function, sourceFiles: ts.SourceFile[]) => {
       if (workerConfig.writeInMemory) {
-        writeSourceFiles(context.fileCache, sourceFiles);
+        writeSourceFiles(context.fileCache, sourceFiles || []);
         writeTranspiledFilesCallback(context.fileCache, path, data, workerConfig.inlineTemplate);
       }
     });

Original file line number	Diff line number	Diff line change
`@@ -105,7 +105,7 @@ export function transpileWorker(context: BuildContext, workerConfig: TranspileWo`
`105`	`105`	`const program = ts.createProgram(tsFileNames, tsConfig.options, host, cachedProgram);`
`106`	`106`	`program.emit(undefined, (path: string, data: string, writeByteOrderMark: boolean, onError: Function, sourceFiles: ts.SourceFile[]) => {`
`107`	`107`	`if (workerConfig.writeInMemory) {`
`108`		`- writeSourceFiles(context.fileCache, sourceFiles);`
	`108`	`+ writeSourceFiles(context.fileCache, sourceFiles \|\| []);`
`109`	`109`	`writeTranspiledFilesCallback(context.fileCache, path, data, workerConfig.inlineTemplate);`
`110`	`110`	`}`
`111`	`111`	`});`