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- 51 headless Web Components (45 core + 6 animation) - Shared helpers: emit(), part(), listen(), wireLabel(), initialValue() - Zero `new CustomEvent` or `static #counter` — all use shared utils - Zod schemas for all 44 core components - MCP package with discover, inspect, compose, validate tools - Showcase with Aperture Science theme, M3 Expressive motion - 81 tests passing, TypeScript strict mode clean - Signals (~500B), SPA router (~400B), zero dependencies
57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
import { describe, it, expect, beforeEach } from "vitest";
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import { PettyPagination } from "../src/components/pagination/index";
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import { h } from "./helpers";
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describe("petty-pagination", () => {
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let el: PettyPagination;
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beforeEach(() => {
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document.body.textContent = "";
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el = document.createElement("petty-pagination") as PettyPagination;
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el.setAttribute("total", "50");
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el.setAttribute("page-size", "10");
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el.appendChild(h("petty-pagination-item", { type: "prev" }, "Prev"));
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el.appendChild(h("petty-pagination-item", { value: "1" }, "1"));
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el.appendChild(h("petty-pagination-item", { value: "2" }, "2"));
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el.appendChild(h("petty-pagination-item", { value: "3" }, "3"));
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el.appendChild(h("petty-pagination-item", { type: "next" }, "Next"));
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document.body.appendChild(el);
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});
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it("registers and calculates totalPages", () => {
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expect(customElements.get("petty-pagination")).toBe(PettyPagination);
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expect(el.totalPages).toBe(5);
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expect(el.currentPage).toBe(1);
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});
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it("marks page 1 as active with aria-current", () => {
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const item1 = el.querySelector("[value='1']")!;
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expect(item1.getAttribute("data-state")).toBe("active");
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expect(item1.getAttribute("aria-current")).toBe("page");
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});
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it("disables prev on first page", () => {
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expect(el.querySelector("[type=prev]")!.hasAttribute("disabled")).toBe(true);
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});
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it("clamps goToPage to valid range", () => {
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el.goToPage(0);
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expect(el.currentPage).toBe(1);
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el.goToPage(999);
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expect(el.currentPage).toBe(5);
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});
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it("fires petty-change on goToPage", () => {
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let detail: { page: number } | null = null;
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el.addEventListener("petty-change", ((e: CustomEvent) => { detail = e.detail; }) as EventListener);
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el.goToPage(3);
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expect(detail).toEqual({ page: 3 });
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expect(el.currentPage).toBe(3);
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});
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it("disables next on last page", () => {
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el.goToPage(5);
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expect(el.querySelector("[type=next]")!.hasAttribute("disabled")).toBe(true);
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});
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});
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