fix(request): use WHATWG URL to encode unicode characters

closes #82

src/RequestExecutor/Request.ts

@@ -1,4 +1,4 @@
-import { Helpers, logger } from '../Utils';
+import { logger } from '../Utils';
 import { URL } from 'url';
 import { readFile } from 'fs';
 import { extname } from 'path';
@@ -73,13 +73,11 @@ export class Request {
     }
 
     try {
-      new URL(url);
+      this.url = new URL(url).toString();
     } catch {
       throw new Error('Invalid URL.');
     }
 
-    this.url = Helpers.encodeURL(url);
-
     if (body && typeof body !== 'string') {
       throw new Error('Body must be string.');
     }

src/Utils/Helpers.ts

@@ -150,18 +150,6 @@ export class Helpers {
     }, {});
   }
 
-  public static encodeURL(str: string): string {
-    let decodedStr: string;
-
-    try {
-      decodedStr = decodeURI(str);
-    } catch {
-      decodedStr = str;
-    }
-
-    return encodeURI(decodedStr).replace(/%5B/g, '[').replace(/%5D/g, ']');
-  }
-
   // It's based on https://qntm.org/cmd
   private static escapeShellArgument(val: string): string {
     val = `${val}`;