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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
50 lines
1.6 KiB
TypeScript
50 lines
1.6 KiB
TypeScript
import { describe, it, expect, beforeEach } from "vitest";
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import { PettySwitch } from "../src/components/switch/index";
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import { h } from "./helpers";
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describe("petty-switch", () => {
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let el: PettySwitch;
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beforeEach(() => {
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document.body.textContent = "";
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el = document.createElement("petty-switch") as PettySwitch;
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const btn = h("button", { "data-part": "control", type: "button" }, "Toggle");
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const label = h("span", { "data-part": "label" }, "Dark mode");
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el.appendChild(btn);
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el.appendChild(label);
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document.body.appendChild(el);
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});
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it("registers the custom element", () => {
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expect(customElements.get("petty-switch")).toBe(PettySwitch);
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});
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it("sets role switch on button", () => {
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const btn = el.querySelector("button")!;
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expect(btn.getAttribute("role")).toBe("switch");
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});
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it("defaults to off state with aria-checked false", () => {
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expect(el.checked).toBe(false);
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expect(el.dataset.state).toBe("off");
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expect(el.querySelector("button")!.getAttribute("aria-checked")).toBe("false");
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});
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it("toggles on click and fires petty-change", () => {
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let detail: { checked: boolean } | 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.querySelector("button")!.click();
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expect(el.checked).toBe(true);
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expect(el.dataset.state).toBe("on");
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expect(detail).toEqual({ checked: true });
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});
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it("does not toggle when disabled", () => {
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el.setAttribute("disabled", "");
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el.querySelector("button")!.click();
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expect(el.checked).toBe(false);
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});
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});
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