fixed injection of document into packer

ts/export/packer/express.ts

@@ -1,12 +1,13 @@
 import {Packer} from "./packer";
 import * as fs from "fs";
 import * as express from "express";
+import {Document} from "../../docx/document";
 
 export class ExpressPacker extends Packer {
     private res: express.Response;
 
-    constructor(res: express.Response) {
-        super();
+    constructor(document: Document, res: express.Response) {
+        super(document);
         this.res = res;
 
         this.res.on('close', () => {

ts/export/packer/local.ts

@@ -1,11 +1,12 @@
 import {Packer} from "./packer";
 import * as fs from 'fs';
+import {Document} from "../../docx/document";
 
 export class LocalPacker extends Packer {
     private stream: fs.WriteStream
     
-    constructor(path: string) {
-        super();
+    constructor(document: Document, path: string) {
+        super(document);
         this.stream = fs.createWriteStream(path);
     }
    

ts/export/packer/packer.ts

@@ -1,13 +1,16 @@
 import * as archiver from "archiver";
 import * as fs from "fs";
 import {Formatter} from "../formatter";
+import {Document} from "../../docx";
 
 export abstract class Packer {
     protected archive: any;
     private formatter: Formatter;
+    protected document: Document;
 
-    constructor() {
+    constructor(document: Document) {
         this.formatter = new Formatter();
+        this.document = document;
         this.archive = archiver.create("zip", {});
 
         this.archive.on('error', (err) => {