npm 6.3.0 --only=prod install devDependencies 也答案

【问题标题】：npm 6.3.0 --only=prod install devDependencies alsonpm 6.3.0 --only=prod install devDependencies 也
【发布时间】：2019-01-16 03:07:28
【问题描述】：

将 npm 版本从 5.6.0 升级到 6.3.0 后，--only=prod 参数不起作用，并且在 devDependencies 中也列出了 npm install 包。但在 5.6.0 版本中，它按预期工作。在根文件夹中没有package-lock.json 的情况下继续安装

节点版本8.11.3 npm 版本6.3.0

我正在从事 Angular 项目。这是 package.json 文件：

{
  "name": "frontend-skeleton",
  "version": "0.0.0",
  "license": "MIT",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "node build",
    "test": "ng test",
    "lint": "ng lint",
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^6.1.0",
    "@angular/cdk": "^6.4.1",
    "@angular/common": "^6.1.0",
    "@angular/compiler": "^6.1.0",
    "@angular/core": "^6.1.0",
    "@angular/forms": "^6.1.0",
    "@angular/http": "^6.1.0",
    "@angular/platform-browser": "^6.1.0",
    "@angular/platform-browser-dynamic": "^6.1.0",
    "@angular/router": "^6.1.0",
    "@types/lodash": "^4.14.115",
    "bootstrap": "^3.3.7",
    "core-js": "^2.5.3",
    "hammerjs": "^2.0.8",
    "lodash": "^4.17.10",
    "rxjs": "^6.2.2",
    "rxjs-compat": "^6.2.2",
    "zone.js": "^0.8.20",        
    "@angular-devkit/build-angular": "~0.7.0",
    "@angular/compiler-cli": "^6.1.0",
    "typescript": "2.9.2"
  },
  "devDependencies": {
    "@angular-devkit/core": "^0.7.1",
    "@angular/cli": "6.1.1",    
    "@types/jasmine": "^2.8.4",
    "@types/node": "^10.5.4",
    "codelyzer": "~4.4.3",
    "jasmine-core": "~3.1.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~2.0.5",
    "karma-chrome-launcher": "~2.2.0",
    "karma-cli": "~1.0.1",
    "karma-coverage-istanbul-reporter": "^1.3.3",
    "karma-jasmine": "~1.1.2",
    "karma-jasmine-html-reporter": "^0.2.2",
    "protractor": "~5.2.2",
    "ts-node": "~4.1.0",
    "tslint": "~5.9.1"       
  }
}

【问题讨论】：

标签： npm npm-install

【解决方案1】：

来自npmjs docs：

With the --production flag (or when the NODE_ENV environment variable
is set to production),npm will not install modules listed in devDependencies.

NOTE: The --production flag has no particular meaning when adding a dependency
to a project

因此，请使用 NODE_ENV env var 或 --production 标志。

【讨论】：

【解决方案2】：

我遇到了同样的问题 - 正在运行

NODE_ENV=production npm install

为我工作。

【讨论】：