在構建 Angular 7 和 Ionic 4 應用程式時遇到問題，我需要一些幫助...
如果我運行ng build --prod命令，我會收到以下錯誤：
ERROR in ./node_modules/ionic4-auto-complete/fesm5/ionic4-auto-complete.js
Module build failed (from ./node_modules/@angular-devkit/build-optimizer/src/build-optimizer/webpack-loader.js):
TypeError: Cannot read properties of undefined (reading 'kind')
at isAngularDecoratorMetadataExpression (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\src\transforms\scrub-file.js:265:35)
at checkNodeForDecorators (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\src\transforms\scrub-file.js:77:21)
at visitNodes (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16144:30)
at Object.forEachChild (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16370:24)
at checkNodeForDecorators (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\src\transforms\scrub-file.js:68:31)
at visitNode (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16135:24)
at Object.forEachChild (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16265:21)
at checkNodeForDecorators (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\src\transforms\scrub-file.js:68:31)
at visitNode (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16135:24)
at Object.forEachChild (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16322:24)
at checkNodeForDecorators (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\src\transforms\scrub-file.js:68:31)
at visitNode (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16135:24)
at Object.forEachChild (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16333:24)
at checkNodeForDecorators (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\src\transforms\scrub-file.js:68:31)
at visitNode (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16135:24)
at Object.forEachChild (C:\MAMP\htdocs\myProject\employeeApp\node_modules\@angular-devkit\build-optimizer\node_modules\typescript\lib\typescript.js:16229:21)
這是我的package.json檔案：
"@angular/animations": "^11.0.7",
"@angular/common": "^7.2.2",
"@angular/core": "^7.2.2",
"@angular/forms": "^7.2.2",
"@angular/http": "^7.2.2",
"@angular/material": "^11.0.3",
"@angular/platform-browser": "^7.2.2",
"@angular/platform-browser-dynamic": "^7.2.2",
"@angular/router": "^7.2.2",
"@auth0/angular-jwt": "^3.0.0",
"@ionic-native/core": "^5.0.0",
"@ionic-native/splash-screen": "^5.0.0",
"@ionic-native/status-bar": "^5.0.0",
"@ionic/angular": "^4.1.0",
"@ionic/storage": "^2.2.0",
"cordova-android": "^8.0.0",
"cordova-browser": "6.0.0",
"cordova-sqlite-storage": "^3.3.0",
"core-js": "^2.5.4",
"ionic4-auto-complete": "^2.8.2",
"moment": "^2.24.0",
"ng2-date-picker": "^2.11.0",
"rxjs": "~6.5.1",
"sass": "^1.49.9",
"tslib": "^1.9.0",
"zone.js": "~0.8.29"
我已經在谷歌上搜索這個問題幾個小時了，不知道該怎么辦..這是我的第一個 Angular Ionic 應用程式，所以我還在學習......我做錯了什么嗎？我應該使用不同的構建命令嗎？
uj5u.com熱心網友回復：
在開發我的第一個 Angular 應用程式時，我一直在處理這個問題。網上無處可尋如何處理這個問題，我試過了，沒能解決這個錯誤。直到我投入生產（其中似乎根本沒有出現錯誤），然后我發現了buildOptimizer。
我們正在開發 Angular 7 應用程式 - 我有 Angular 的全球版本 13.0，所以版本不匹配 - 在我同事的電腦上，他安裝了 ang7，他也根本沒有收到錯誤。所以我假設這是因為版本不匹配。
這里包括 angular.json 的片段，在哪里可以找到 buildOptimizer。請注意，您必須將其從true更改為false。
角.json
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