[WIP] change typescript compilerOptions and fix import export issues

conf/default.js

-module.exports = {
-  // OHSOME_API_URL : 'https://api.ohsome.org/v0.9-ignite-germany'
-  OHSOME_API_URL : 'https://api.ohsome.org/v0.9'
-// OHSOME_API_URL : 'http://129.206.59.207:8080'
-  // OHSOME_API_URL : 'http://localhost:8080'
-}

src/Ohsome2X.ts

@@ -18,10 +18,10 @@ import turfArea from '@turf/area';
 import * as querystring from 'querystring';
 import axios, {AxiosRequestConfig, AxiosResponse} from 'axios';
 
-const defaultConfig = require('./conf/default.js');
+import defaultConfig from './conf/default';
 let OHSOME_API_URL = normalizeUrl(defaultConfig.OHSOME_API_URL); //remove trailing slash and other things
 
-export class Ohsome2X {
+class Ohsome2X {
   private config: Ohsome2XConfig;
   private cursor: number;
   private fetchSize: number | null;
@@ -434,3 +434,4 @@ export class Ohsome2X {
 
 }
 
+export = Ohsome2X;
\ No newline at end of file

src/conf/default.ts

+const defaultConfig = {
+  OHSOME_API_URL : 'https://api.ohsome.org/v0.9'
+};
+
+export default defaultConfig;
+
+
+

tsconfig.json

 {
   "compilerOptions": {
     /* Basic Options */
-    "target": "ES2016",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
+    "target": "ES2017",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
     "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
-    // "lib": [],                             /* Specify library files to be included in the compilation. */
-    // "allowJs": true,                       /* Allow javascript files to be compiled. */
-    // "checkJs": true,                       /* Report errors in .js files. */
+    "lib": ["es2017", "dom"],                             /* Specify library files to be included in the compilation. */
+//     "allowJs": true,                       /* Allow javascript files to be compiled. */
+//     "checkJs": true,                       /* Report errors in .js files. */
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
      "declaration": true,                   /* Generates corresponding '.d.ts' file. */
     // "sourceMap": true,                     /* Generates corresponding '.map' file. */
     // "outFile": "./",                       /* Concatenate and emit output to single file. */
      "outDir": "./dist",                        /* Redirect output structure to the directory. */
      "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
-    // "removeComments": true,                /* Do not emit comments to output. */
+     "removeComments": true,                /* Do not emit comments to output. */
     // "noEmit": true,                        /* Do not emit outputs. */
      "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
     // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */