#142 changed text.data.provider to async text data read too

Author: RandomFractals

src/data.providers/text.data.provider.ts

@@ -29,11 +29,11 @@ export class TextDataProvider implements IDataProvider {
    * @param parseOptions Data parse options.
    * @param loadData Load data callback.
    */
-  public getData(dataUrl: string, parseOptions: any, loadData: Function): void {
-    let data: any = [];
+  public async getData(dataUrl: string, parseOptions: any, loadData: Function): Promise<void> {
+    let data: string = '';
     try {
       // TODO: change this to streaming text data read later
-      data = fileUtils.readDataFile(dataUrl, 'utf8'); // file encoding to read data as string
+      data = String(await fileUtils.readDataFile(dataUrl, 'utf8')); // file encoding to read data as string
     }
     catch (error) {
       this.logger.logMessage(LogLevel.Error, `getData(): Error parsing '${dataUrl}' \n\t Error:`, error.message);