Question

我有一个现有的Angular 2项目，我正在尝试开始将一些D3.js集成到我的项目中。我是Angular的新手，这将是我第一次使用D3。我将关注本教程：https://keathmilligan.net/create-reusable-chart-components-with-angular-2-and-d3-js-version-4/

我正在运行命令npm install --save d3，我得到：

├── UNMET PEER DEPENDENCY @angular/compiler@2.2.3
├── UNMET PEER DEPENDENCY @angular/compiler-cli@2.2.3
├── UNMET PEER DEPENDENCY @angular/core@2.2.3
└── d3@4.4.1

...然后

npm WARN @ngtools/webpack@1.2.1 requires a peer of @angular/compiler@^2.3.1 but none was installed.
npm WARN @ngtools/webpack@1.2.1 requires a peer of @angular/compiler-cli@^2.3.1 but none was installed.
npm WARN @ngtools/webpack@1.2.1 requires a peer of @angular/core@^2.3.1 but none was installed.
npm WARN @ngtools/webpack@1.2.1 requires a peer of @angular/tsc-wrapped@^0.5.0 but none was installed.
npm WARN tslint-loader@2.1.5 requires a peer of tslint@^3.0.0 but none was installed.

首先，我想当我看到"UNMET PEER DEPENDENCY"时，我仍然不清楚它到底意味着什么。这只是一个警告，还是这表明某些事情真的被打破了？我的项目目前正在运行（但我还没有开始用D3编码）......仅仅是安装了错误版本的东西吗？我已经采取了通过npm update --save更新所有内容的步骤，NPM确实为我找到了一些更新，但我仍然遇到同样的问题。

我的主要问题是，我正在安装D3js，难道不应该完全独立于Angular吗？当我安装不相关的东西时，为什么NPM会对Angular的东西咆哮？

这是我的package.json更新后的帖子：

  "name": "cl-test2",
  "version": "0.0.0",
  "license": "MIT",
  "angular-cli": {},
  "scripts": {
    "start": "ng serve",
    "lint": "tslint \"src/**/*.ts\"",
    "test": "ng test",
    "pree2e": "webdriver-manager update",
    "e2e": "protractor"
  },
  "private": true,
  "dependencies": {
    "@angular/common": "2.2.3",
    "@angular/compiler": "2.2.3",
    "@angular/core": "^2.2.3",
    "@angular/forms": "2.2.3",
    "@angular/http": "2.2.3",
    "@angular/platform-browser": "2.2.3",
    "@angular/platform-browser-dynamic": "2.2.3",
    "@angular/router": "3.2.3",
    "@types/node": "^6.0.58",
    "angular-cli": "^1.0.0-beta.22-1",
    "core-js": "^2.4.1",
    "d3": "^4.4.1",
    "rxjs": "5.0.0-beta.12",
    "ts-helpers": "^1.1.1",
    "tslint": "^4.3.1",
    "zone.js": "^0.6.23"
  },
  "devDependencies": {
    "@angular/compiler-cli": "2.2.3",
    "@types/jasmine": "2.5.38",
    "@types/node": "^6.0.42",
    "angular-cli": "^1.0.0-beta.24",
    "codelyzer": "~2.0.0-beta.1",
    "jasmine-core": "2.5.2",
    "jasmine-spec-reporter": "2.5.0",
    "karma": "1.2.0",
    "karma-chrome-launcher": "^2.0.0",
    "karma-cli": "^1.0.1",
    "karma-jasmine": "^1.0.2",
    "karma-remap-istanbul": "^0.2.1",
    "protractor": "4.0.9",
    "ts-node": "1.2.1",
    "tslint": "^4.0.2",
    "typescript": "~2.0.3",
    "webdriver-manager": "10.2.5"
  }
}

Answer 1

UNMET PEER DEPENDENCY日志只是警告而不是错误。

他们警告您，您使用的lib @ngtools/webpack@1.2.1应该使用@angular/compiler@^2.3.1（^ https://stackoverflow.com/a/22345808/5706293上的更多信息），因为我确定您认为出去自己

这些库的作者可能有一些已弃用的API，并且可能不支持更高版本中的当前代码，这是您应该升级依赖项的原因之一。

Answer 2

这并没有回答我所有的问题，但它确实清除了我收到的警告。我刚刚将几个软件包更新到最新版本。

{
  "name": "cl-test2",
  "version": "0.0.0",
  "license": "MIT",
  "angular-cli": {},
  "scripts": {
    "start": "ng serve",
    "lint": "tslint \"src/**/*.ts\"",
    "test": "ng test",
    "pree2e": "webdriver-manager update",
    "e2e": "protractor"
  },
  "private": true,
  "dependencies": {
    "@angular/common": "^2.4.2",
    "@angular/compiler": "^2.4.2",
    "@angular/core": "^2.4.2",
    "@angular/forms": "^2.4.2",
    "@angular/http": "^2.4.2",
    "@angular/platform-browser": "^2.4.2",
    "@angular/platform-browser-dynamic": "^2.4.2",
    "@angular/router": "^3.4.2",
    "core-js": "^2.4.1",
    "d3": "^4.4.1",
    "rxjs": "^5.0.1",
    "ts-helpers": "^1.1.2",
    "types.d3": "^0.1.1",
    "zone.js": "^0.7.2"
  },
  "devDependencies": {
    "@angular/compiler-cli": "2.4.2",
    "@types/jasmine": "2.5.38",
    "@types/node": "^6.0.42",
    "angular-cli": "^1.0.0-beta.24",
    "codelyzer": "~2.0.0-beta.1",
    "jasmine-core": "2.5.2",
    "jasmine-spec-reporter": "2.5.0",
    "karma": "1.2.0",
    "karma-chrome-launcher": "^2.0.0",
    "karma-cli": "^1.0.1",
    "karma-jasmine": "^1.0.2",
    "karma-remap-istanbul": "^0.2.1",
    "protractor": "4.0.13",
    "ts-node": "1.2.1",
    "tslint": "^4.0.2",
    "typescript": "~2.1.4",
    "webdriver-manager": "10.2.5"
  }
}

Answer 3

我也有类似的问题，我已按照步骤

首先，npm install -g @ angular / cli

使用ng new hero-app

创建新项目

进入项目文件夹并运行服务器ng服务

并打开浏览器并运行http://localhost:4200

这对我有用。希望同样适合你的事情

UNMET PEER DEPENDENCY D3.js和Angular 2

3 个答案: