npm install似乎安装过多

Question

新手问题

我正在尝试减小应用程序的大小，以便在GitHub上共享。

当我删除node_modules文件夹并运行npm install时，我得到一个新的node_modules文件夹，其中包含626个子文件夹，大小为226Mb。

我以为npm install只安装了package.json中指定的那些依赖项。

我尝试运行npm prune bot，它什么也没做。

这里是package.json以防万一。

{
  "description": "NativeScript Application",
  "license": "SEE LICENSE IN <your-license-filename>",
  "readme": "NativeScript Application",
  "repository": "<fill-your-repository-here>",
  "nativescript": {
    "id": "org.nativescript.myApp",
    "tns-android": {
      "version": "5.1.0"
    }
  },
  "scripts": {
    "lint": "tslint \"app/**/*.ts\""
  },
  "dependencies": {
    "@angular/animations": "^7.2.3",
    "@angular/common": "^7.2.3",
    "@angular/compiler": "^7.2.3",
    "@angular/core": "^7.2.3",
    "@angular/forms": "^7.2.3",
    "@angular/http": "^7.2.3",
    "@angular/platform-browser": "^7.2.3",
    "@angular/platform-browser-dynamic": "^7.2.3",
    "@angular/router": "^7.2.3",
    "nativescript-angular": "~7.2.0",
    "nativescript-camera": "^4.0.2",
    "nativescript-drop-down": "^4.0.1",
    "nativescript-imagepicker": "^6.0.4",
    "nativescript-modal-datetimepicker": "^1.1.4",
    "nativescript-theme-core": "~1.0.4",
    "nativescript-toast": "^2.0.0",
    "nativescript-ui-listview": "^5.1.1",
    "reflect-metadata": "~0.1.10",
    "rxjs": "~6.4.0",
    "tns-core-modules": "^5.1.2",
    "zone.js": "^0.8.4"
  },
  "devDependencies": {
    "@angular-devkit/core": "~7.3.0",
    "@angular/compiler-cli": "^7.2.3",
    "@ngtools/webpack": "~7.3.0",
    "babel-traverse": "6.26.0",
    "babel-types": "6.26.0",
    "babylon": "6.18.0",
    "clean-webpack-plugin": "~1.0.1",
    "codelyzer": "~4.5.0",
    "copy-webpack-plugin": "~4.6.0",
    "css-loader": "~2.1.0",
    "extract-text-webpack-plugin": "~3.0.2",
    "lazy": "1.0.11",
    "nativescript-dev-sass": "~1.6.0",
    "nativescript-dev-typescript": "^0.7.3",
    "nativescript-dev-webpack": "~0.19.1",
    "nativescript-worker-loader": "~0.9.0",
    "raw-loader": "~1.0.0",
    "resolve-url-loader": "~3.0.0",
    "sass-loader": "~7.1.0",
    "tslint": "~5.12.1",
    "typescript": "~3.3.1",
    "uglifyjs-webpack-plugin": "~2.1.1",
    "webpack": "~4.29.1",
    "webpack-bundle-analyzer": "~3.0.3",
    "webpack-cli": "~3.2.3",
    "webpack-sources": "~1.3.0"
  }
}

谢谢