create default properties for table-of-contents instruction

src/file/table-of-contents/instruction.ts

@@ -4,10 +4,54 @@ class TextAttributes extends XmlAttributeComponent<{ space: "default" | "preserv
     protected xmlKeys = { space: "xml:space" };
 }
 
+/**
+ * Options according to this docs:
+ * http://officeopenxml.com/WPtableOfContents.php
+ */
+
+export class StyleLevel {
+    public styleName: string;
+    public level: number;
+}
+export class TableOfContentsInstructionProperties {
+    // \b option
+    public entriesFromSession: string;
+    // \h option
+    public hiperlink: true;
+    // \n option
+    public entryLevelsRange = "1-6";
+    // \o option
+    public headerRange: string;
+    // \t option
+    public styles: StyleLevel[];
+    // \z option
+}
+
 export class TableOfContentsInstruction extends XmlComponent {
-    constructor() {
+    private readonly properties: TableOfContentsInstructionProperties;
+
+    constructor(properties?: TableOfContentsInstructionProperties) {
         super("w:instrText");
+        this.properties = properties || new TableOfContentsInstructionProperties();
+
         this.root.push(new TextAttributes({ space: "preserve" }));
-        this.root.push("TOC");
+        let instruction = "TOC";
+        if (this.properties.entriesFromSession) {
+            instruction = `${instruction} \b "${this.properties.entriesFromSession}"`;
+        }
+        if (this.properties.hiperlink) {
+            instruction = `${instruction} \h`;
+        }
+        if (this.properties.entryLevelsRange) {
+            instruction = `${instruction} \n "${this.properties.entryLevelsRange}"`;
+        }
+        if (this.properties.headerRange) {
+            instruction = `${instruction} \o "${this.properties.headerRange}"`;
+        }
+        if (this.properties.styles && this.properties.styles.length) {
+            const styles = this.properties.styles.map((sl) => `${sl.styleName}, ${sl.level}`).join(", ");
+            instruction = `${instruction} \t "${styles}"`;
+        }
+        this.root.push(instruction);
     }
 }