Added type declarations

types/navigation.d.ts

@@ -0,0 +1,41 @@
+export interface NavItem {
+  id?: string,
+  href?: string,
+  label?: string,
+  subitems?: Array<NavItem>,
+  parent?: NavItem
+}
+
+export interface LandmarkItem {
+  href?: string,
+  label?: string,
+  type?: string
+}
+
+export default class Navigation {
+  constructor(xml: XMLDocument);
+
+  parse(xml: XMLDocument): void;
+
+  get(target: string) : NavItem;
+
+  landmark(type: string) : LandmarkItem;
+
+  load(json: JSON): Array<NavItem>;
+
+  forEach(fn: (item: NavItem) => {}): any;
+
+  private unpack(toc: Array<NavItem>): void;
+
+  private parseNav(navHtml: XMLDocument): Array<NavItem>;
+
+  private navItem(item: Element): NavItem;
+
+  private parseLandmarks(navHtml: XMLDocument): Array<LandmarkItem>;
+
+  private landmarkItem(item: Element): LandmarkItem;
+
+  private parseNcx(navHtml: XMLDocument): Array<NavItem>;
+
+  private ncxItem(item: Element): NavItem;
+}