adding spec file

specs/nth-of-type-selector/nth-of-type-selector.spec.js

+const TIMEOUT = 10000; // Some book might take longer than this to renderer
+
+describe("nth-of-type-selector", () => {
+	let page;
+	beforeAll(async () => {
+		page = await loadPage("nth-of-type-selector/nth-of-type-selector.html");
+		return page.rendered;
+	}, TIMEOUT);
+
+	afterAll(async () => {
+		if (!DEBUG) {
+			await page.close();
+		}
+	});
+
+	it("should render text", async () => {
+		let text = await page.evaluate(() => document.body.textContent);
+		expect(text).toContain("Chapter 1. Loomings.");
+	});
+
+	it("should render 14 pages", async () => {
+		let pages = await page.$$eval(".pagedjs_page", (r) => r.length);
+		expect(pages).toBe(14);
+	});
+
+	if (!DEBUG) {
+		it("should create a pdf", async () => {
+			let pdf = await page.pdf(PDF_SETTINGS);
+
+			expect(pdf).toMatchPDFSnapshot(1);
+			expect(pdf).toMatchPDFSnapshot(2);
+		});
+	}
+}
+);

src/modules/paged-media/nth-of-type.js

@@ -13,7 +13,7 @@ class NthOfType extends Handler {
 	onRule(ruleNode, ruleItem, rulelist) {
 		let selector = csstree.generate(ruleNode.prelude);
 		if (selector.match(/:(first|last|nth)-of-type/)) {
-			console.log(ruleNode);
+			console.log(ruleItem);
 			
 			console.log(selector);