FIX: added legacy support for TabStop

src/file/paragraph/formatting/tab-stop.ts

@@ -8,8 +8,11 @@ export interface TabStopDefinition {
 }    
 
 export class TabStop extends XmlComponent {
-    public constructor(tabDefs: (TabStopDefinition[] | TabStopDefinition))  {
+    public constructor(tabDefs: (TabStopDefinition[] | TabStopDefinition | TabStopType), position?: number, leader?: LeaderType)  {
         super("w:tabs");
+        if (typeof tabDefs === "string"){
+            this.root.push(new TabStopItem(tabDefs, position, leader));
+        } else {
             if (Array.isArray(tabDefs)) {
                 tabDefs.forEach((function(tabDef) {
                     this.root.push(new TabStopItem(tabDef));
@@ -19,6 +22,7 @@ export class TabStop extends XmlComponent {
             }
         }
     }
+}
 
 export enum TabStopType {
     LEFT = "left",
@@ -53,8 +57,19 @@ export class TabAttributes extends XmlAttributeComponent<{
 }
 
 export class TabStopItem extends XmlComponent {
-    public constructor(tabDef: TabStopDefinition) {
+    public constructor(tabDef: (TabStopDefinition |  TabStopType), position?: number, leader?: LeaderType) {
         super("w:tab");
+        if (typeof tabDef === "string") {
+            if (typeof position === "number")
+                this.root.push(
+                    new TabAttributes({
+                        val: tabDef,
+                        pos: position,
+                        leader,
+                    }),
+                );
+            else throw Error("Undefined position: " + position);
+        } else {
             this.root.push(
                 new TabAttributes({
                     val: tabDef.type,
@@ -64,3 +79,4 @@ export class TabStopItem extends XmlComponent {
             );
         }
     }
+}