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我已将 Angular 应用程序从 12 升级到 13 版本。我在单元测试运行期间开始收到此错误。

Chrome Headless 94.0.4606.61 (Windows 10) AppComponent should create the app FAILED
        TypeError: Cannot read properties of undefined (reading 'match')
            at extractCommentsWithHash (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:9130:18)
            at ShadowCss.shimCssText (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:8694:34)
            at map (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:22402:26)
            at Array.map (<anonymous>)
            at compileStyles (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:22401:19)
            at compileComponentFromMetadata (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:21948:13)
            at CompilerFacadeImpl.compileComponentFromMeta (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:22570:21)
            at CompilerFacadeImpl.compileComponent (http:###/_karma_webpack_/webpack:/node_modules/@angular/compiler/fesm2020/compiler.mjs:22560:21)
            at Function.get (http:###/_karma_webpack_/webpack:/node_modules/@angular/core/fesm2020/core.mjs:24583:47)
            at getComponentDef (http:###/_karma_webpack_/webpack:/node_modules/@angular/core/fesm2020/core.mjs:1119:16)
        Failed: Cannot read properties of undefined (reading 'match')

我尝试了这个解决方案，但没有奏效。

manually remove package-lock.json
manually remove folder node_modules
npm install

您有任何解决方法的想法吗？它与Angular版本升级有关吗？

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2 回答 2

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我在这个答案中找到了解决方案 https://stackoverflow.com/a/68797111/3387259

我已更改commonjs为es2020intsconfig.json并添加了"moduleResolution": "node".

于 2021-11-22T15:52:15.687 回答
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对我来说，我使用的是 config.env 并忘记在我的连接 url 之前放置“ATLAS_URI=”。将“ATLAS_URI=”添加到我的 config.env 修复了我的 TypeError。

于 2022-01-31T05:18:08.920 回答