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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
54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
import { describe, it, expect, beforeEach } from "vitest";
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import { PettyTabs } from "../src/components/tabs/index";
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import { h } from "./helpers";
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describe("petty-tabs", () => {
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let el: PettyTabs;
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beforeEach(() => {
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document.body.textContent = "";
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el = document.createElement("petty-tabs") as PettyTabs;
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el.setAttribute("default-value", "one");
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const tab1 = h("petty-tab", { value: "one" }, "Tab 1");
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const tab2 = h("petty-tab", { value: "two" }, "Tab 2");
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const tablist = h("div", { role: "tablist" }, tab1, tab2);
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const panel1 = h("petty-tab-panel", { value: "one" }, "Content 1");
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const panel2 = h("petty-tab-panel", { value: "two" }, "Content 2");
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el.appendChild(tablist);
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el.appendChild(panel1);
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el.appendChild(panel2);
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document.body.appendChild(el);
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});
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it("registers the custom elements", () => {
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expect(customElements.get("petty-tabs")).toBe(PettyTabs);
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});
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it("initializes with default-value", () => {
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expect(el.value).toBe("one");
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});
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it("sets data-state and aria-selected on active tab", () => {
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const tab1 = el.querySelector("petty-tab[value='one']")!;
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const tab2 = el.querySelector("petty-tab[value='two']")!;
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expect(tab1.getAttribute("data-state")).toBe("active");
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expect(tab1.getAttribute("aria-selected")).toBe("true");
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expect(tab2.getAttribute("data-state")).toBe("inactive");
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});
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it("hides inactive panels", () => {
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const panel2 = el.querySelector("petty-tab-panel[value='two']")!;
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expect(panel2.hasAttribute("hidden")).toBe(true);
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});
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it("fires petty-change on selectTab", () => {
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let detail: { value: string } | null = null;
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el.addEventListener("petty-change", ((e: CustomEvent) => {
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detail = e.detail;
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}) as EventListener);
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el.selectTab("two");
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expect(detail).toEqual({ value: "two" });
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expect(el.value).toBe("two");
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});
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});
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