:feat: support emphasis mark

src/file/paragraph/run/emphasis-mark.ts

@@ -0,0 +1,28 @@
+import { Attributes, XmlComponent } from "file/xml-components";
+
+export enum EmphasisMarkType {
+    DOT = "dot",
+}
+
+export abstract class BaseEmphasisMark extends XmlComponent {
+    protected constructor(emphasisMarkType: EmphasisMarkType) {
+        super("w:em");
+        this.root.push(
+            new Attributes({
+                val: emphasisMarkType,
+            }),
+        );
+    }
+}
+
+export class EmphasisMark extends BaseEmphasisMark {
+    constructor(emphasisMarkType: EmphasisMarkType = EmphasisMarkType.DOT) {
+        super(emphasisMarkType);
+    }
+}
+
+export class DotEmphasisMark extends BaseEmphasisMark {
+    constructor() {
+        super(EmphasisMarkType.DOT);
+    }
+}