Clean up code using request promise

package.json

@@ -38,8 +38,10 @@
     "@types/archiver": "^1.3.4",
     "@types/express": "^4.0.35",
     "@types/request": "^2.0.3",
+    "@types/request-promise": "^4.1.39",
     "archiver": "^1.3.0",
     "request": "^2.83.0",
+    "request-promise": "^4.2.2",
     "xml": "^1.0.1"
   },
   "author": "Dolan Miu",

ts/export/packer/pack-options.ts

@@ -1,3 +1,3 @@
-// tslint:disable-next-line:no-empty-interface
+/* tslint:disable-next-line:no-empty-interface */
 export interface IPackOptions {
 }

ts/export/packer/pdf-convert-wrapper.ts

@@ -1,40 +1,34 @@
+/* tslint:disable:object-literal-key-quotes */
+// This tslint disable is needed, or it simply won't work
 import * as fs from "fs";
-import * as request from "request";
+import * as request from "request-promise";
 
 export interface IConvertOutput {
     data: string;
 }
 
 export class PdfConvertWrapper {
-    public convert(filePath: string): Promise<IConvertOutput> {
-        const buffer = fs.readFileSync(filePath);
-
-        return new Promise<IConvertOutput>((resolve, reject) => {
-            const r = request.post({
+    public convert(filePath: string): request.RequestPromise {
+        return request.post({
             url: "http://mirror1.convertonlinefree.com",
             encoding: null,
             headers: {
                 "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.94 Safari/537.36",
             },
-            }, (err, response, body: IConvertOutput) => {
-                if (err) {
-                    reject(err);
-                    return;
-                }
-                resolve(body);
-            });
-
-            const form = r.form();
-            form.append("__EVENTTARGET", "");
-            form.append("__EVENTARGUMENT", "");
-            form.append("__VIEWSTATE", "");
-            form.append("ctl00$MainContent$fu", buffer, {
+            formData: {
+                "__EVENTTARGET": "",
+                "__EVENTARGUMENT": "",
+                "__VIEWSTATE": "",
+                "ctl00$MainContent$fu": {
+                    value: fs.readFileSync(filePath),
+                    options: {
                         filename: "output.docx",
                         contentType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-            });
-
-            form.append("ctl00$MainContent$btnConvert", "Convert");
-            form.append("ctl00$MainContent$fuZip", "");
+                    },
+                },
+                "ctl00$MainContent$btnConvert": "Convert",
+                "ctl00$MainContent$fuZip": "",
+            },
         });
     }
 }