Javascript 错误:TypeError:对象原型只能是对象或null:未定义

Javascript 错误:TypeError:对象原型只能是对象或null:未定义,javascript,angular,typescript,npm,Javascript,Angular,Typescript,Npm,我使用的是Angular 8,如果我使用命令“ng serve”,我会在Angular-error.log中得到以下错误: [error] TypeError: Object prototype may only be an Object or null: undefined at setPrototypeOf (<anonymous>) at Object.__extends (C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\nod

我使用的是Angular 8,如果我使用命令“ng serve”,我会在Angular-error.log中得到以下错误:

[error] TypeError: Object prototype may only be an Object or null: undefined
    at setPrototypeOf (<anonymous>)
    at Object.__extends (C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\tslib\tslib.js:67:9)
    at C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\template.js:115:17
    at C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\template.js:314:6
    at C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\template.js:3:17
    at Object.<anonymous> (C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\template.js:9:3)
    at Module._compile (internal/modules/cjs/loader.js:955:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:991:10)
    at Module.load (internal/modules/cjs/loader.js:811:32)
    at Function.Module._load (internal/modules/cjs/loader.js:723:14)
    at Module.require (internal/modules/cjs/loader.js:848:19)
    at require (internal/modules/cjs/helpers.js:74:18)
    at C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\transform.js:20:22
    at C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\transform.js:10:17
    at Object.<anonymous> (C:\xxxx\xxxx\xxxx\xxxx\07-bonus-LoginApp\node_modules\@angular\compiler-cli\src\ngtsc\indexer\src\transform.js:16:3)
    at Module._compile (internal/modules/cjs/loader.js:955:30)
[error]TypeError:对象原型只能是对象或null:未定义
在setPrototypeOf()处
at对象。\u扩展(C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\u modules\tslib\tslib.js:67:9)
在C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\U modules\@angular\compiler cli\src\ngtsc\indexer\src\template.js:115:17
在C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\U modules\@angular\compiler cli\src\ngtsc\indexer\src\template.js:314:6
在C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\u modules\@angular\compiler cli\src\ngtsc\indexer\src\template.js:3:17
反对。(C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\U modules\@angular\compiler cli\src\ngtsc\indexer\src\template.js:9:3)
at模块编译(内部/modules/cjs/loader.js:955:30)
at Object.Module._extensions..js(internal/modules/cjs/loader.js:991:10)
在Module.load(内部/modules/cjs/loader.js:811:32)
at Function.Module._load(内部/modules/cjs/loader.js:723:14)
at Module.require(内部/modules/cjs/loader.js:848:19)
根据需要(internal/modules/cjs/helpers.js:74:18)
在C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\u modules\@angular\compiler cli\src\ngtsc\indexer\src\transform.js:20:22
在C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\u modules\@angular\compiler cli\src\ngtsc\indexer\src\transform.js:10:17
反对。(C:\xxxx\xxxx\xxxx\xxxx\07 bonus LoginApp\node\U modules\@angular\compiler cli\src\ngtsc\indexer\src\transform.js:16:3)
at模块编译(内部/modules/cjs/loader.js:955:30)

我已经尝试删除节点\u模块并运行npm install命令和npm clean install,但它不起作用,有人能帮我吗?

你也尝试删除包锁了吗?我们遇到堆栈溢出!请查看有关如何提问的指导原则。如果你的问题有背景并且表现出一定的努力,你将大大提高获得好答案的机会