🔌
Describe a PCB design and click Generate
`;
const slot = root.querySelector("slot");
const containerDiv = slot?.parentElement as HTMLElement;
if (containerDiv) {
containerDiv.replaceWith(wrapper);
}
this.#promptInput = wrapper.querySelector(".prompt-input");
this.#componentInput = wrapper.querySelector(".component-input");
this.#generateBtn = wrapper.querySelector(".generate-btn");
this.#previewArea = wrapper.querySelector(".preview-area");
this.#exportRow = wrapper.querySelector(".export-row");
const closeBtn = wrapper.querySelector(".close-btn") as HTMLButtonElement;
// Tab switching
wrapper.querySelectorAll(".tab").forEach((tab) => {
tab.addEventListener("click", (e) => {
e.stopPropagation();
const tabName = (tab as HTMLElement).dataset.tab as "schematic" | "board" | "drc";
this.#activeTab = tabName;
wrapper.querySelectorAll(".tab").forEach((t) => t.classList.remove("active"));
tab.classList.add("active");
this.#renderPreview();
});
});
this.#generateBtn?.addEventListener("click", (e) => {
e.stopPropagation();
this.#generate();
});
this.#promptInput?.addEventListener("keydown", (e) => {
if (e.key === "Enter" && !e.shiftKey) {
e.preventDefault();
this.#generate();
}
});
this.#promptInput?.addEventListener("pointerdown", (e) => e.stopPropagation());
this.#componentInput?.addEventListener("pointerdown", (e) => e.stopPropagation());
closeBtn.addEventListener("click", (e) => {
e.stopPropagation();
this.dispatchEvent(new CustomEvent("close"));
});
// Restore persisted state
if (this.#prompt && this.#promptInput) this.#promptInput.value = this.#prompt;
if (this.#components.length && this.#componentInput) this.#componentInput.value = this.#components.join(", ");
if (this.#schematicSvg || this.#boardSvg || this.#drcResults) {
this.#renderPreview();
this.#showExports();
}
// Health check
fetch("/api/kicad/health").then(r => r.json()).then((h: any) => {
if (!h.available && this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = h.error || "KiCAD MCP server unavailable";
}
}).catch(() => {
if (this.#generateBtn) {
this.#generateBtn.disabled = true;
this.#generateBtn.title = "Cannot reach KiCAD health endpoint";
}
});
return root;
}
async #generate() {
const prompt = this.#promptInput?.value.trim();
if (!prompt || this.#isLoading) return;
const components = this.#componentInput?.value
.split(",")
.map((c) => c.trim())
.filter(Boolean) || [];
this.#prompt = prompt;
this.#components = components;
this.#isLoading = true;
this.#error = null;
if (this.#generateBtn) this.#generateBtn.disabled = true;
if (this.#previewArea) {
this.#previewArea.innerHTML = '