angular - Angular应用程序的生产编译
问题描述
我正在尝试编译我的 Angular 应用程序以进行生产。我发出了以下命令:
ng build --prod
我遇到了几个与引导程序相关的错误:
ERROR in ./node_modules/bootstrap/dist/css/bootstrap.css
Module build failed: BrowserslistError: Unknown browser major
at error (C:\frontend\node_modules\postcss-merge-rules\node_modules\browserslist\index.js:37:11)
不知道我需要做什么来修复这些错误。当我发出命令时
ng serve
使用 ng serve 成功编译的应用程序。下面是我的 Package.json 文件:
{
"name": "frontend",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build --prod",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/animations": "^5.2.4",
"@angular/cdk": "^5.2.1",
"@angular/common": "^5.2.0",
"@angular/compiler": "^5.2.0",
"@angular/core": "^5.2.0",
"@angular/flex-layout": "^5.0.0-beta.14",
"@angular/forms": "^5.2.0",
"@angular/http": "^5.2.0",
"@angular/material": "^5.2.1",
"@angular/platform-browser": "^5.2.0",
"@angular/platform-browser-dynamic": "^5.2.0",
"@angular/router": "^5.2.0",
"ajv": "^6.0.0",
"angular2-text-mask": "^9.0.0",
"angular5-time-picker": "^1.0.8",
"bootstrap": "^4.0.0",
"core-js": "^2.4.1",
"font-awesome": "^4.7.0",
"jquery": "^1.9.1",
"ngx-mask": "^2.9.6",
"popper.js": "^1.12.9",
"rxjs": "^5.5.6",
"text-mask-addons": "^3.7.2",
"zone.js": "^0.8.19"
},
"devDependencies": {
"@angular/cli": "1.6.7",
"@angular/compiler-cli": "^5.2.0",
"@angular/language-service": "^5.2.0",
"@types/jasmine": "~2.8.3",
"@types/jasminewd2": "~2.0.2",
"@types/node": "~6.0.60",
"codelyzer": "^4.0.1",
"jasmine-core": "~2.8.0",
"jasmine-spec-reporter": "~4.2.1",
"karma": "^2.0.4",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "^1.2.1",
"karma-jasmine": "~1.1.0",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "^5.3.2",
"ts-node": "~4.1.0",
"tslint": "~5.9.1",
"typescript": "~2.5.3"
}
}
任何帮助将不胜感激。
解决方案
尝试将引导版本更新为 "bootstrap": "^4.3.1"
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