Question

{
    "name": "angular2-quickstart",
    "version": "1.0.0",
    "scripts": {
        "start": "tsc && concurrently \"npm run tsc:w\" \"npm run lite\" ",
        "lite": "lite-server",
        "postinstall": "typings install",
        "tsc": "tsc",
        "tsc:w": "tsc -w",
        "typings": "typings"
        },
        "license": "ISC",
        "dependencies": {
            "@angular/common":  "2.0.0-rc.1",
            "@angular/compiler":  "2.0.0-rc.1",
            "@angular/core":  "2.0.0-rc.1",
            "@angular/http":  "2.0.0-rc.1",
            "@angular/platform-browser":  "2.0.0-rc.1",
            "@angular/platform-browser-dynamic":  "2.0.0-rc.1",
            "@angular/router":  "2.0.0-rc.1",
            "@angular/router-deprecated":  "2.0.0-rc.1",
            "@angular/upgrade":  "2.0.0-rc.1",
            "es6-shim": "^0.33.3",
            "font-awesome": "^4.6.1",
            "jquery": "^2.2.3",
            "lodash": "^4.13.1",
            "reflect-metadata": "0.1.2",
            "rxjs": "5.0.0-beta.6",
            "systemjs": "^0.19.29",
            "zone.js": "^0.6.12"
            },
            "devDependencies": {
                "concurrently": "^2.0.0",
                "lite-server": "^2.2.0",
                "typescript": "^1.8.10",
                "typings":"^1.0.4"
            }
        }

npm ERR！ Windows_NT 6.1.7601 错误的ERR！ argv“C：\ Program Files \ nodejs \\ node.exe”“C：\ Program Files \ nodejs \ node_modules \ npm \ bin \ npm-cli.js”“install” 错误的ERR！节点v0.12.0 错误的ERR！ npm v2.5.1 错误的ERR！代码EPEERINVALID

npm ERR！ peerinvalid包reflect-metadata不满足其兄弟姐妹的peerDependencies要求！错误的ERR！ peerinvalid Peer angular2-in-memory-web-api@0.0.11想要reflect-metadata@^0.1.3 错误的ERR！ peerinvalid Peer angular2@2.0.0-beta.6想要reflect-metadata@0.1.2

Answer 1

更新到Node.JS v6.9 +和NPM v3.x，并如上所述将reflect-metadata更新为0.1.3。

Answer 2

您描述的错误发生，因为尽管您安装了angular2-in-memory-web-api软件包，但该软件包指定它需要特定版本的另一个软件包才能正常运行。虽然上述软件包已经通过您的角度安装进行了安装，但它不是该软件包指定的版本。

使用npm update，您可以尝试将所有软件包更新为最新版本，包括不良依赖性。

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2 个答案: