Node.js 错误:找不到模块'@巴别塔/核心&x27;位于Function.Module.\u resolveFilename(internal/modules/cjs/loader.js:582:15)
我正在尝试创建一个角度项目的后端。我不熟悉Node.js 错误:找不到模块'@巴别塔/核心&x27;位于Function.Module.\u resolveFilename(internal/modules/cjs/loader.js:582:15),node.js,express,babeljs,Node.js,Express,Babeljs,我正在尝试创建一个角度项目的后端。我不熟悉node.js和express.js。我正在使用visualstudio code作为此项目的文本编辑器。同时发生了如下错误。我该怎么办 Error: Cannot find module '@babel/core' at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15) at Function.Module._load (internal/m
node.js
和express.js
。我正在使用visualstudio code
作为此项目的文本编辑器。同时发生了如下错误。我该怎么办
Error: Cannot find module '@babel/core'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)
at Function.Module._load (internal/modules/cjs/loader.js:508:25)
at Module.require (internal/modules/cjs/loader.js:637:17)
PS C:\Users\ruwan\Documents\projects\new project\Hair-4-U-hospital\MEAN\backend> npm run dev
> backend@1.0.0 dev C:\Users\ruwan\Documents\projects\new project\Hair-4-U-hospital\MEAN\backend
> babel-watch server.js
internal/modules/cjs/loader.js:584
throw err;
^
Error: Cannot find module '@babel/core'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)
at Function.Module._load (internal/modules/cjs/loader.js:508:25)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object.<anonymous> (C:\Users\ruwan\Documents\projects\new project\Hair-4-U-hospital\MEAN\backend\node_modules\babel-watch\babel-watch.js:7:15)
at Module._compile (internal/modules/cjs/loader.js:701:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)
at Module.load (internal/modules/cjs/loader.js:600:32)
at tryModuleLoad (internal/modules/cjs/loader.js:539:12)
at Function.Module._load (internal/modules/cjs/loader.js:531:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! backend@1.0.0 dev: `babel-watch server.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the backend@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\ruwan\AppData\Roaming\npm-cache\_logs\2019-05-14T04_01_56_313Z-debug.log
我的package.json文件如下
package.json
{
"name": "backend",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"dev": "babel-watch server.js"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"babel-cli": "^6.26.0",
"babel-preset-env": "^1.7.0",
"babel-watch": "^7.0.0"
},
"dependencies": {
"cors": "^2.8.5",
"express": "^4.16.4",
"mongoose": "^5.5.8"
}
}
.barbelrc
{
"presets": ["env"]
}
为此,我使用了以下命令。我应该为这件事做些什么
npm init-y
npm安装--保存dev babel cli babel preset env
npm安装babel watch--保存开发人员
npm安装快捷版
npm安装猫鼬
npm安装cors
npm运行dev
安装babel core。运行npm安装-D@babel/core
由于这是一个Node.js项目,安装babel Node也是一个好主意。通过运行npmi-D@babel/node
来实现这一点
为什么不一直使用babel 7或babel 6,而不是为不同的babel软件包使用不同的版本?仍然会遇到同样的问题
Module build failed: Error: Cannot find module 'babel-core'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15)
共享我的package.json
:
"dependencies":
{
"babel-loader": "^7.1.5",
"cli-color": "^2.0.0",
"colors": "^1.3.3",
"diff": "^4.0.1",
"file-loader": "^4.2.0"}
devDependencies":
{
"@babel/cli": "^7.6.4",
"@babel/core": "^7.6.4",
"@babel/plugin-proposal-class-properties": "^7.5.5",
"@babel/preset-env": "^7.6.3",
"@babel/preset-react": "^7.6.3",
"babel-eslint": "^8.2.2",
"babel-minify": "^0.3.0",
"babel-plugin-syntax-dynamic-import": "^6.18.0",
"babel-polyfill": "^6.26.0",
"babel-preset-env": "^1.7.0",
"babel-preset-es2015": "^6.24.1",
"babel-preset-react": "^6.24.1",
"babel-preset-stage-2": "^6.24.1",
"babel-register": "^6.24.1",
"cross-env": "^6.0.3",
"css-loader": "^3.2.0",
"del": "^5.1.0",
"eslint": "^4.18.2",
"eslint-config-airbnb": "^16.1.0",
"eslint-plugin-import": "^2.9.0",
"eslint-plugin-jsx-a11y": "^6.0.3",
"eslint-plugin-react": "^7.7.0",
"gulp": "^3.9.1",
"gulp-awspublish": "^3.3.1",
"gulp-babel": "^7.0.1",
"gulp-bump": "^3.1.3",
"gulp-git": "^2.9.0",
"gulp-if": "^2.0.2",
"gulp-prompt": "^1.2.0",
"gulp-rename": "^1.2.2",
"json-loader": "^0.5.7",
"modernizr-loader": "^1.0.1",
"node-sass": "^4.7.2",
"path": "^0.12.7",
"prettier-eslint": "^8.8.2",
"react-hot-loader": "^4.0.0",
"sass-loader": "^8.0.0",
"style-loader": "^1.0.0",
"webpack-cli": "^3.3.9"
},
这应该是一个评论,而不是一个答案。或者可能是一个编辑,因为你不能创建这么大的评论。
"dependencies":
{
"babel-loader": "^7.1.5",
"cli-color": "^2.0.0",
"colors": "^1.3.3",
"diff": "^4.0.1",
"file-loader": "^4.2.0"}
devDependencies":
{
"@babel/cli": "^7.6.4",
"@babel/core": "^7.6.4",
"@babel/plugin-proposal-class-properties": "^7.5.5",
"@babel/preset-env": "^7.6.3",
"@babel/preset-react": "^7.6.3",
"babel-eslint": "^8.2.2",
"babel-minify": "^0.3.0",
"babel-plugin-syntax-dynamic-import": "^6.18.0",
"babel-polyfill": "^6.26.0",
"babel-preset-env": "^1.7.0",
"babel-preset-es2015": "^6.24.1",
"babel-preset-react": "^6.24.1",
"babel-preset-stage-2": "^6.24.1",
"babel-register": "^6.24.1",
"cross-env": "^6.0.3",
"css-loader": "^3.2.0",
"del": "^5.1.0",
"eslint": "^4.18.2",
"eslint-config-airbnb": "^16.1.0",
"eslint-plugin-import": "^2.9.0",
"eslint-plugin-jsx-a11y": "^6.0.3",
"eslint-plugin-react": "^7.7.0",
"gulp": "^3.9.1",
"gulp-awspublish": "^3.3.1",
"gulp-babel": "^7.0.1",
"gulp-bump": "^3.1.3",
"gulp-git": "^2.9.0",
"gulp-if": "^2.0.2",
"gulp-prompt": "^1.2.0",
"gulp-rename": "^1.2.2",
"json-loader": "^0.5.7",
"modernizr-loader": "^1.0.1",
"node-sass": "^4.7.2",
"path": "^0.12.7",
"prettier-eslint": "^8.8.2",
"react-hot-loader": "^4.0.0",
"sass-loader": "^8.0.0",
"style-loader": "^1.0.0",
"webpack-cli": "^3.3.9"
},