Function load

apps/desktop/src/main/tikz.ts:25–45

()

let renderQueue: Promise<void> = Promise.resolve();

async function load(): Promise<Tex2Svg> {
  if (tex2svg) return tex2svg;
  if (loadPromise) return loadPromise;
  loadPromise = (async () => {
    const mod = await import("node-tikzjax");
    // node-tikzjax is a CJS module; its default export is itself `{ default: tex2svg }`.
    const candidate =
      (mod as unknown as { default?: { default?: Tex2Svg } | Tex2Svg })
        .default ?? (mod as unknown as Tex2Svg);
    const fn =
      typeof candidate === "function"
        ? candidate
        : (candidate as { default: Tex2Svg }).default;
    if (typeof fn !== "function") {
      throw new Error("Could not locate tex2svg in node-tikzjax");
    }
    tex2svg = fn;
    return fn;
  })();
  return loadPromise;
}

const cache = new Map<string, { ok: true; svg: string }>();
const inFlight = new Map<string, Promise<TikzRenderResult | TikzRenderError>>();