Question

我的环境

操作系统版本：Windows 10
Firebase SDK版本：6.0.2

问题

我遵循了this教程来创建服务器端渲染的应用程序。当我尝试使用npm run serve:ssr为应用提供服务时，会发生错误。

我得到的错误是：

proxyRequestMethods(Index, '_index', IDBIndex, [
                                     ^

ReferenceError: IDBIndex is not defined
    at Module.<anonymous> (C:\Users\eg\dist\server.js:343794:38)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Module.<anonymous> (C:\Users\eg\dist\server.js:342436:61)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Module.<anonymous> (C:\Users\eg\dist\server.js:341227:81)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Module.<anonymous> (C:\Users\eg\dist\server.js:332069:79)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Object.firebase (C:\Users\eg\dist\server.js:189647:18)
    at __webpack_require__ (C:\Users\eg\dist\server.js:137349:30)

在此之前，我收到错误window is not defined，所以我在server.ts中添加了以下代码，如this comment

中所述

const domino = require('domino');
const fs = require('fs');
const path = require('path');
const template = fs.readFileSync(path.join(__dirname, '.', 'dist', 'index.html')).toString();
const win = domino.createWindow(template);
global['window'] = win;
global['document'] = win.document;

当我使用npm run build:ssr构建ssr应用程序时，收到如下所示的警告

WARNING in ./node_modules/@angular/fire/firestore/firestore.js 23:21-32
"export 'SDK_VERSION' was not found in 'firebase/app'
 @ ./node_modules/@angular/fire/firestore/public_api.js
 @ ./node_modules/@angular/fire/firestore/index.js
 @ ./dist/server/main.js
 @ ./server.ts

WARNING in ./node_modules/@angular/fire/firestore/firestore.js 24:21-32
"export 'SDK_VERSION' was not found in 'firebase/app'
 @ ./node_modules/@angular/fire/firestore/public_api.js
 @ ./node_modules/@angular/fire/firestore/index.js
 @ ./dist/server/main.js
 @ ./server.ts

当我使用npm run serve:ssr服务{d}应用程序时，当我使用firebase@5.x.x收到这些警告时，在更新为reference: self is not defined后收到错误firebase@6.0.2时，我收到错误< / p>

var major = parseInt(firebase_app__WEBPACK_IMPORTED_MODULE_6__["SDK_VERSION"].split('.')[0]);
TypeError: Cannot read property 'split' of undefined
    at Module.<anonymous> (C:\Users\eg\dist\server.js:279474:79)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Module.<anonymous> (C:\Users\eg\dist\server.js:279385:68)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Module.<anonymous> (C:\Users\eg\dist\server.js:279341:69)
    at __webpack_require__ (C:\Users\eg\dist\server.js:30:30)
    at Object.@angular/fire/firestore (C:\Users\eg\dist\server.js:189255:18)
    at __webpack_require__ (C:\Users\eg\dist\server.js:137353:30)
    at Object../src/app/services/global-manager.service.ts (C:\Users\eg\dist\server.js:186535:19)
    at __webpack_require__ (C:\Users\eg\dist\server.js:137353:30)

我通过在下面添加以下行来更新webpack.server.config.js，以消除这些警告和错误

  const regex = /firebase\/(app|firestore)/;
module.exports={
externals: [/node_modules/, function(context, request, callback) {

    // exclude firebase products from being bundled, so they will be loaded using require() at runtime.
    if(regex.test(request)) {
      return callback(null, 'commonjs ' + request);
    }
    callback();
  }],
...
}

我还发现了 this与该错误有关的stackoverflow问题，但是我没有使用性能模块，因此该解决方案不适用于我。

如何解决此IDBIndex错误？请帮助

Answer 1

here已评论了为什么会发生这种情况的详细说明。他们提供了一种解决方法，但也将提供修复程序。

由于Firebase的IDBIndex错误，无法提供服务器渲染的应用

我的环境

问题

1 个答案: