feat: improve RenPy conversion and support MIST runtime

frontend/tests/helpers/renpy-engine.mjs

@@ -0,0 +1,34 @@
+import { fileURLToPath } from "node:url";
+import { build } from "esbuild";
+import { parseHTML } from "linkedom";
+
+const bundle = await build({ entryPoints: [fileURLToPath(new URL("../../src/player/engine.ts", import.meta.url))],
+  bundle: true, write: false, format: "esm", platform: "node", logLevel: "silent" });
+const { Engine } = await import(`data:text/javascript;base64,${Buffer.from(bundle.outputFiles[0].text).toString("base64")}`);
+Error.stackTraceLimit = 2; // data-URL bundle frames otherwise print the entire bundle on a failure.
+
+export function makeEngine(runtime) {
+  const { window, document } = parseHTML("<!doctype html><html><body></body></html>");
+  const storage = new Map();
+  Object.assign(globalThis, {
+    window, document, HTMLElement: window.HTMLElement, HTMLImageElement: window.HTMLImageElement,
+    localStorage: { getItem: (key) => storage.get(key) ?? null, setItem: (key, value) => storage.set(key, value), removeItem: (key) => storage.delete(key) },
+    ResizeObserver: class { observe() {} disconnect() {} },
+    requestAnimationFrame: (fn) => setTimeout(() => fn(performance.now()), 2), cancelAnimationFrame: clearTimeout,
+  });
+  const tr = { lang: "en", renpyName: null, str: (s) => s, line: (_id, s) => s };
+  const root = document.createElement("div");
+  document.body.append(root);
+  const engine = new Engine(root, structuredClone(runtime.game), { files: {} }, structuredClone(runtime.modules),
+    { list: async () => [], get: async () => null, put: async () => {}, remove: async () => {} },
+    "runtime-test", () => {}, tr, async () => tr);
+  return { engine, root, window, document };
+}
+
+export const until = async (condition) => {
+  const deadline = performance.now() + 3000;
+  while (!condition()) {
+    if (performance.now() > deadline) throw new Error("Ожидаемое состояние плеера не наступило");
+    await new Promise((resolve) => setTimeout(resolve, 2));
+  }
+};