"npm install"给出错误消息"无效",它是什么？

Question

请查看图片.

我想这与我有关package.json但不太确定.

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最初我正在安装material-ui.

详细信息如下:

我:\ react-boilerplate> npm install material-ui

react-boilerplate@3.4.0 I:\ react-boilerplate

+ - material-ui@0.17.1

| + - keycode@2.1.8

| + - lodash.throttle@4.1.1

| + - UNMET PEER DEPENDENCY react@^15.4.2

| + - react-addons-create-fragment@15.4.2

| + - react-addons-transition-group@15.4.2

| + - react-event-listener@0.4.3

| | + - UNMET PEER DEPENDENCY react@^15.4.2

| | ` - react-addons-shallow-compare@15.4.2

| + - recompose@0.22.0

| | ` - change-emitter@0.1.3

| ` - simple-assign@0.1.0

+ - UNMET PEER DEPENDENCY react-tap-event-plugin@^2.0.1

` - UNMET PEER DEPENDENCY webpack@2.2.0-rc.3

然后我试图修复npm install他们的UNMET PEER DEPENDENCY .

第一次尝试给出了这个:

react-boilerplate@3.4.0 I:\ react-boilerplate

+ - react@15.4.2无效

+ - react-tap-event-plugin@2.0.1

` - UNMET PEER DEPENDENCY webpack@2.2.0-rc.3

` - webpack-sources@0.1.5

你可以看到这是invalid我见过的第一个.

所以我只想弄清楚为什么会invalid弹出这个以及如何修复它.

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这是package.json,dependencies部分

"dependencies":{"babel-polyfill":"6.20.0","chalk":"1.1.3","compression":"1.6.2","cross-env":"3.1.3","表达":"4.14.0","fontfaceobserver":"2.0.7","immutable":"3.8.1","intl":"1.2.5","invariant":"2.2.2"," ip":"1.1.4","lodash":"4.17.2","minimist":"1.2.0","react":"15.4.1","react-dom":"15.4.1" ,"react-helmet":"3.2.2","react-intl":"2.1.5","react-redux":"4.4.6","react-router":"3.0.0"," react-router-redux":"4.0.6","react-router-scroll":"0.4.1","redux":"3.6.0","redux-immutable":"3.0.8"," redux-saga":"0.14.0","reselect":"2.5.4","sanitize.css":"4.1.0","styled-components":"1.1.2","警告":" 3.0.0","whatwg-fetch":"2.0.1"},

和devDependencies部分

"devDependencies":{"babel-cli":"6.18.0","babel-core":"6.21.0","babel-eslint":"7.1.1","babel-loader":"6.2. 10","babel-plugin-dynamic-import-node":"1.0.0","babel-plugin-react-intl":"2.2.0","babel-plugin-react-transform":"2.0. 2","babel-plugin-transform-es2015-modules-commonjs":"6.18.0","babel-plugin-transform-react-constant-elements":"6.9.1","babel-plugin-transform-" react-inline-elements":"6.8.0","babel-plugin-transform-react-remove-prop-types":"0.2.11","babel-preset-latest":"6.16.0"," babel-preset-react":"6.16.0","babel-preset-react-hmre":"1.1.1","babel-preset-stage-0":"6.16.0","cheerio":" 0.22.0","circular-dependency-plugin":"2.0.0","coveralls":"2.11.15","css-loader":"0.26.1","酶":"2.6.0" ,"eslint":"3.11.1","eslint-config-airbnb":"13.0.0","eslint-config-airbnb-base":"10.0.1","eslint-import-resolver-webpack" :"0.8.0","eslint-plugin-import":"2.2.0","eslint-plugin-jsx-a11y":"2.2.3","eslint-plugin-react":"6.7.1" ,"eslint-plugin-redux-saga ":"0.1.5","eventsource-polyfill":"0.9.6","exports-loader":"0.6.3","file-loader":"0.9.0","html-loader": "0.4.4","html-webpack-plugin":"2.24.1","image-webpack-loader":"2.0.0","imports-loader":"0.6.5","jest-cli ":"18.0.0","lint-staged":"3.2.1","ngrok":"2.2.4","node-plop":"0.5.4","null-loader":"0.1 .1","offline-plugin":"4.5.2","plop":"1.7.3","pre-commit":"1.1.3","react-addons-test-utils":"15.4 .1","rimraf":"2.5.4","shelljs":"0.7.5","sinon":"2.0.0-pre","style-loader":"0.13.1","url -loader":"0.5.7","webpack":"2.2.0-rc.3","webpack-dev-middleware":"1.9.0","webpack-hot-middleware":"2.15.0 "}

Answer 1

此处的无效依赖项表明安装了不适当版本的依赖项包。在这种情况下，您的项目正在请求webpack@2.2.0-rc3，但2.2.1已安装版本。请注意，版本范围中没有插入符号 (^) 或波浪号 (~)，这意味着这2.2.1不是有效匹配。

另一个冲突发生在 React，它是在 version 上固定的15.4.1，应该按照^15.4.2其他依赖项（例如material-ui）的要求升级到 version range 。

为了设置依赖项的新版本（升级/降级它），不要忘记相应的保存标志（--save/-S或--save-dev/ -D）。

npm install -S react@^15.4.2

不幸的是，react-tap-event-plugin取决于版本2.2.0-rc3webpack，所以你不应该升级 webpack。相反，您可以调用npm update --dev以确保所有已注册的依赖项都安装了正确的版本。如果所有其他方法都失败了，一个简单但有效的技巧是删除 node_modules 文件夹并从头开始安装所有软件包。