Allow XmlComponent to take strings and remove XmlUnit

ts/docx/run/text.ts

@@ -1,9 +1,11 @@
-import { XmlUnitComponent } from "../xml-components";
+import { XmlComponent } from "../xml-components";
 
-export class Text extends XmlUnitComponent {
+export class Text extends XmlComponent {
 
     constructor(text: string) {
         super("w:t");
-        this.root = text;
+        if (text) {
+            this.root.push(text);
+        }
     }
 }

ts/docx/xml-components/default-attributes.ts

@@ -2,10 +2,10 @@ import * as _ from "lodash";
 import { BaseXmlComponent } from "./base";
 
 export abstract class XmlAttributeComponent extends BaseXmlComponent {
-    protected root: Object;
-    private xmlKeys: Object;
+    protected root: object;
+    private xmlKeys: object;
 
-    constructor(xmlKeys: Object, properties: Object) {
+    constructor(xmlKeys: object, properties: object) {
         super("_attr");
         this.xmlKeys = xmlKeys;
 

ts/docx/xml-components/index.ts

@@ -2,7 +2,7 @@ import * as _ from "lodash";
 import { BaseXmlComponent } from "./base";
 
 export abstract class XmlComponent extends BaseXmlComponent {
-    protected root: BaseXmlComponent[];
+    protected root: Array<BaseXmlComponent | string>;
 
     constructor(rootKey: string) {
         super(rootKey);
@@ -26,4 +26,3 @@ export abstract class XmlComponent extends BaseXmlComponent {
 
 export * from "./attributes"
 export * from "./default-attributes";
-export * from "./unit";

ts/docx/xml-components/unit.ts

@@ -1,16 +0,0 @@
-import {BaseXmlComponent} from "./base";
-
-export abstract class XmlUnitComponent extends BaseXmlComponent {
-    protected root: string;
-
-    constructor(rootKey: string) {
-        super(rootKey);
-    }
-
-    public replaceKey(): void {
-        if (this.root !== undefined) {
-            this[this.rootKey] = this.root;
-            delete this.root;
-        }
-    }
-}