我是reactJs的新手,并为reactJs应用程序设置环境。我有像这样的包,json文件
{
"name": "reactjs-basics",
"version": "1.0.0",
"description": "Some basic ReactJS",
"main": "index.js",
"scripts": {
"start": "npm run build",
"build": "webpack -d && copy src/index.html dist/index.html && webpack-dev-
server --content-base src/ --inline --hot",
"build:prod": "webpack -p && copy src/index.html dist/index.html"
},
"keywords": [
"reactjs"
],
"author": "Maximilian Schwarzmueller",
"license": "MIT",
"dependencies": {
"react": "^15.2.1",
"react-dom": "^15.2.1"
},
"devDependencies": {
"babel-loader": "^6.2.4",
"babel-preset-es2015": "^6.9.0",
"babel-preset-react": "^6.11.1",
"babel-preset-stage-2": "^6.11.0",
"webpack": "^1.13.1",
"webpack-dev-server": "^1.14.1"
}
}
和像这样的web.config.js文件
var webpack = require('webpack');
var path = require("path");
var DIST_DIR = path.resolve(__dirname, "dist");
var SRC_DIR = path.resolve(__dirname, "src");
var config = {
entry: SRC_DIR + "/app/index.js",
output: {
path: DIST_DIR + "/app",
filename: "bundle.js",
publicPath: "/app/"
},
module: {
loaders: [
{
test: /\.js?/,
include: SRC_DIR,
loader: "babel-loader",
query: {
presets: ["react", "es2015", "stage-2"]
}
}
]
}
};
module.exports = config;
当我运行此命令“npm start”时,我收到此错误
"ERROR in Cannot find module 'babel-core'
The syntax of the command is incorrect.
npm ERR! Windows_NT 10.0.14393
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program
Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "build"
npm ERR! node v6.10.0
npm ERR! npm v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! reactjs-basics@1.0.0 build: `webpack -d && copy src/index.html
dist/index.html && webpack-dev-server --content-base src/ --inline --hot`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the reactjs-basics@1.0.0 build script 'webpack -d &&
copy src/index.html dist/index.html && webpack-dev-server --content-base
src/ --inline --hot'.
npm ERR! Make sure you have the latest version of node.js and npm
installed.
npm ERR! If you do, this is most likely a problem with the reactjs-basics
package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! webpack -d && copy src/index.html dist/index.html && webpack-
dev-server --content-base src/ --inline --hot
npm ERR! You can get information on how to open an issue for this project
with:
npm ERR! npm bugs reactjs-basics
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls reactjs-basics
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! C:\Users\fahad\Downloads\reactjs-basics-master\reactjs-basics-
master\npm-debug.log
npm ERR! Windows_NT 10.0.14393
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program
Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "start"
npm ERR! node v6.10.0
npm ERR! npm v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! reactjs-basics@1.0.0 start: `npm run build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the reactjs-basics@1.0.0 start script 'npm run build'.
npm ERR! Make sure you have the latest version of node.js and npm
installed.
npm ERR! If you do, this is most likely a problem with the reactjs-basics
package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! npm run build
npm ERR! You can get information on how to open an issue for this project
with:
npm ERR! npm bugs reactjs-basics
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls reactjs-basics
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! C:\Users\fahad\Downloads\reactjs-basics-master\reactjs-basics-
master\npm-debug.log"
我该如何解决这个问题?我不知道为什么会发生错误请查看这个并让我知道错误是什么。
答案 0 :(得分:2)
而不是" /",使用" \"在webpack.config.js
。
它使用了这个:
"build": "webpack -d && copy src\\index.html dist\\index.html && webpack-dev-
server --content-base src/ --inline --hot"