Add dynamic relationships

src/file/relationships/relationship/relationship-attributes.ts

@@ -0,0 +1,15 @@
+import { XmlAttributeComponent } from "file/xml-components";
+
+export interface IRelationshipAttributesProperties {
+    id: string;
+    type: string;
+    target: string;
+}
+
+export class RelationshipAttributes extends XmlAttributeComponent<IRelationshipAttributesProperties> {
+    protected xmlKeys = {
+        id: "Id",
+        type: "Type",
+        target: "Target",
+    };
+}

src/file/relationships/relationship/relationship.ts

@@ -0,0 +1,23 @@
+import { XmlComponent } from "file/xml-components";
+import { RelationshipAttributes } from "./relationship-attributes";
+
+export type RelationshipType =
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image"
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme"
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings"
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles"
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable"
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/webSettings"
+    | "http://schemas.openxmlformats.org/officeDocument/2006/relationships/numbering";
+
+export class Relationship extends XmlComponent {
+    constructor(id: string, type: RelationshipType, target: string) {
+        super("Relationship");
+
+        this.root.push(new RelationshipAttributes({
+            id,
+            type,
+            target,
+        }));
+    }
+}