未捕获的 SyntaxError:严格模式代码可能不包含 with 语句

问题描述：

我最近更新到 Angular v9，但出现以下错误:

I have recently updated to Angular v9 and I am getting the following error:

未捕获的语法错误:严格模式代码可能不包含 with声明

Uncaught SyntaxError: Strict mode code may not include a with statement

这发生在以下文件中:

./node_modules/@angular/animations/__ivy_ngcc__/fesm2015/animations.js

根据文件中的注释，这是一个 Angular v9 文件:

This is an Angular v9 file as per the comments in the file:

/** * @license Angular v9.0.0 * (c) 2010-2020 Google LLC. https://angular.io/ * License: MIT */

这里发生了，使用 with 语句:

This is occuring here, with the with statement:

module.exports = {
  Window_run: function _run(code, file) {
    if (file) code += '\n//@ sourceURL=' + file;
    with(this) eval(code);
  },

此行上方有一条注释:

/* Domino 使用 sloppy-mode 特性(特别是 with)* 小事.这个文件封装了所有的草率；每个 * 其他模块都应该是严格的.// jshint 严格:false // jshint邪恶:真实 // jshint -W085 */

/* Domino uses sloppy-mode features (in particular, with) for a few * minor things. This file encapsulates all the sloppiness; every * other module should be strict. / / jshint strict: false / / jshint evil: true / / jshint -W085 */

答

我正在寻找类似问题的解决方案.升级到 Angular 9 破坏了我的应用程序.经过多次反复试验这对我有帮助.

I was searching for the solution to a similar problem. Upgrade to Angular 9 broke my app. After a lot of trial and error this helped me.

只需从 main.ts 中注释掉或删除以下行(由升级过程添加):

Just comment out or remove the following line from main.ts (added by the upgrade process):

export { renderModule, renderModuleFactory } from '@angular/platform-server';

未捕获的 SyntaxError:严格模式代码可能不包含 with 语句

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