在 Angular 8 SSR 应用程序中，存在内存泄漏

Question

我有一个有角度的 SSR 应用程序，它会导致服务器上的内存泄漏

，当许多用户使用并打开该应用程序时，它会不断增加服务器上的内存。在 ngOnDestroy 上取消订阅不起作用，内存泄漏仍然存在

无法找到什么问题以及解决问题的正确方法是什么

我附加了 server.ts 代码

import "zone.js/dist/zone-node";

import * as express from "express";

import { join } from "path";

const domino = require("domino");
const fs = require("fs");
const path = require("path");

const app = express();

const PORT = process.env.PORT || 4000;
const DIST_FOLDER = join(process.cwd(), "dist/browser");

const template = fs
  .readFileSync(path.join(DIST_FOLDER, "index.html"))
  .toString();
const win = domino.createWindow(template);

(global as any)["window"] = win;
(global as any)["KeyboardEvent"] = win.KeyboardEvent;
(global as any)["HTMLInputElement"] = win.HTMLInputElement;
(global as any)["MouseEvent"] = win.MouseEvent;
(global as any)["Event"] = win.Event;
(global as any)["document"] = win.document;
(global as any)["navigator"] = win.navigator;
(global as any)["FormData"] = win.FormData;
// * NOTE :: leave this as require() since this file is built Dynamically from webpack
const {
  AppServerModuleNgFactory,
  LAZY_MODULE_MAP,
  ngExpressEngine,
  provideModuleMap,
} = require("./dist/server/main");

app.engine(
  "html",
  ngExpressEngine({
    bootstrap: AppServerModuleNgFactory,
    providers: [provideModuleMap(LAZY_MODULE_MAP)],
  })
);

app.set("view engine", "html");
app.set("views", DIST_FOLDER);

app.get(
  "*.*",
  express.static(DIST_FOLDER, {
    maxAge: "1y",
  })
);

app.get(/.*aspx$/, function (req, res) {
  res.redirect(301, "WEBSITE URL");
});

// All regular routes use the Universal engine
app.get("*", (req, res, next) => {
  // special for robots.txt
  if (req.url === "/robots.txt") {
    next();
    return;
  }

  res.render("index", { req });
});

app.listen(PORT, () => {
  console.log(`Node Express server listening on http://localhost:${PORT}`);
});