Refactor to separate classes in their specific files an tests improuvements for styles

src/file/styles/style/style.ts

@@ -0,0 +1,32 @@
+import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
+import { Name } from "./components";
+
+export interface IStyleAttributes {
+    readonly type?: string;
+    readonly styleId?: string;
+    readonly default?: boolean;
+    readonly customStyle?: string;
+}
+
+class StyleAttributes extends XmlAttributeComponent<IStyleAttributes> {
+    protected readonly xmlKeys = {
+        type: "w:type",
+        styleId: "w:styleId",
+        default: "w:default",
+        customStyle: "w:customStyle",
+    };
+}
+
+export class Style extends XmlComponent {
+    constructor(attributes: IStyleAttributes, name?: string) {
+        super("w:style");
+        this.root.push(new StyleAttributes(attributes));
+        if (name) {
+            this.root.push(new Name(name));
+        }
+    }
+
+    public push(styleSegment: XmlComponent): void {
+        this.root.push(styleSegment);
+    }
+}