json - npm 安装后类型无法正常工作

Question

我有以下 packages.json:

{
"name": "shopping-assistant-angular",
"version": "1.0.0",
"scripts": {
    "start": "concurrent \"npm run tsc:w\" \"npm run lite\" ",    
    "tsc": "tsc",
    "tsc:w": "tsc -w",
    "lite": "lite-server",
    "typings": "typings",
    "postinstall": "typings install" 
},
"license": "ISC",
"dependencies": {
    "angular2": "2.0.0-beta.7",
    "systemjs": "0.19.23",
    "es6-promise": "^3.0.2",
    "es6-shim": "^0.33.3",
    "reflect-metadata": "0.1.2",
    "rxjs": "5.0.0-beta.2",
    "zone.js": "0.5.14"
},
"devDependencies": {
    "bower": "^1.7.7",
    "concurrently": "^1.0.0",
    "grunt": "^0.4.5",
    "grunt-chrome-manifest": "^0.3.0",
    "grunt-contrib-clean": "^1.0.0",
    "grunt-contrib-concat": "^0.5.1",
    "grunt-contrib-copy": "^0.8.2",
    "grunt-contrib-cssmin": "^0.14.0",
    "grunt-contrib-htmlmin": "^0.6.0",
    "grunt-contrib-uglify": "^0.11.1",
    "grunt-filerev": "^2.3.1",
    "grunt-ts": "^5.3.2",
    "grunt-usemin": "^3.1.1",
    "lite-server": "^2.0.1",
    "load-grunt-tasks": "^3.4.0",
    "typescript": "1.7.5",
    "typings": "^0.6.8"
}
}

当我在我的目录中运行 npm install 时出现错误:'typings' 不被识别为内部或外部命令、可运行程序或批处理文件。

在 Angular 2 快速入门指南中，他们使用以下 packages.json:

{
"name": "angular2-quickstart",
"version": "1.0.0",
"scripts": {
    "start": "concurrent \"npm run tsc:w\" \"npm run lite\" ",    
    "tsc": "tsc",
    "tsc:w": "tsc -w",
    "lite": "lite-server",
    "typings": "typings",
    "postinstall": "typings install" 
},
"license": "ISC",
"dependencies": {
    "angular2": "2.0.0-beta.7",
    "systemjs": "0.19.22",
    "es6-promise": "^3.0.2",
    "es6-shim": "^0.33.3",
    "reflect-metadata": "0.1.2",
    "rxjs": "5.0.0-beta.2",
    "zone.js": "0.5.15"
},
"devDependencies": {
    "concurrently": "^2.0.0",
    "lite-server": "^2.1.0",
    "typescript": "^1.7.5",
    "typings":"^0.6.8"
}
}

在所有软件包安装完成后成功运行“打字安装”。

不知道为什么运行这些非常相似的 packages.json 文件会导致完全不同的结果。

Answer 1

Gabe O'Leary是对的(见comment)，首先尝试全局安装typingsnpm install typings -g 如果你使用的是 Mac，你可能需要使用 sudo 命令 sudo npm install typings -g